diff options
Diffstat (limited to 'drivers')
406 files changed, 5024 insertions, 2300 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 4770de5707b9..561bf25ac9f9 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -56,6 +56,23 @@ config ACPI_PROCFS Say N to delete /proc/acpi/ files that have moved to /sys/ +config ACPI_PROCFS_POWER + bool "Deprecated power /proc/acpi directories" + depends on PROC_FS + help + For backwards compatibility, this option allows + deprecated power /proc/acpi/ directories to exist, even when + they have been replaced by functions in /sys. + The deprecated directories (and their replacements) include: + /proc/acpi/battery/* (/sys/class/power_supply/*) + /proc/acpi/ac_adapter/* (sys/class/power_supply/*) + This option has no effect on /proc/acpi/ directories + and functions, which do not yet exist in /sys + This option, together with the proc directories, will be + deleted in 2.6.39. + + Say N to delete power /proc/acpi/ directories that have moved to /sys/ + config ACPI_EC_DEBUGFS tristate "EC read/write access through /sys/kernel/debug/ec" default n diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 0331f91d56e6..bce34afadcd0 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -47,6 +47,7 @@ acpi-y += sysfs.o acpi-$(CONFIG_X86) += acpi_cmos_rtc.o acpi-$(CONFIG_DEBUG_FS) += debugfs.o acpi-$(CONFIG_ACPI_NUMA) += numa.o +acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o ifdef CONFIG_ACPI_VIDEO acpi-y += video_detect.o endif diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 6f190bc2b8b7..7c1f8452918a 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -51,11 +51,39 @@ MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION("ACPI AC Adapter Driver"); MODULE_LICENSE("GPL"); +static int acpi_ac_add(struct acpi_device *device); +static int acpi_ac_remove(struct acpi_device *device); +static void acpi_ac_notify(struct acpi_device *device, u32 event); + +static const struct acpi_device_id ac_device_ids[] = { + {"ACPI0003", 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, ac_device_ids); + +#ifdef CONFIG_PM_SLEEP +static int acpi_ac_resume(struct device *dev); +#endif +static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); + static int ac_sleep_before_get_state_ms; +static struct acpi_driver acpi_ac_driver = { + .name = "ac", + .class = ACPI_AC_CLASS, + .ids = ac_device_ids, + .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, + .ops = { + .add = acpi_ac_add, + .remove = acpi_ac_remove, + .notify = acpi_ac_notify, + }, + .drv.pm = &acpi_ac_pm, +}; + struct acpi_ac { struct power_supply charger; - struct platform_device *pdev; + struct acpi_device * device; unsigned long long state; }; @@ -67,10 +95,12 @@ struct acpi_ac { static int acpi_ac_get_state(struct acpi_ac *ac) { - acpi_status status; - acpi_handle handle = ACPI_HANDLE(&ac->pdev->dev); + acpi_status status = AE_OK; + + if (!ac) + return -EINVAL; - status = acpi_evaluate_integer(handle, "_PSR", NULL, + status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL, &ac->state); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, @@ -115,10 +145,9 @@ static enum power_supply_property ac_props[] = { Driver Model -------------------------------------------------------------------------- */ -static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data) +static void acpi_ac_notify(struct acpi_device *device, u32 event) { - struct acpi_ac *ac = data; - struct acpi_device *adev; + struct acpi_ac *ac = acpi_driver_data(device); if (!ac) return; @@ -141,11 +170,10 @@ static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data) msleep(ac_sleep_before_get_state_ms); acpi_ac_get_state(ac); - adev = ACPI_COMPANION(&ac->pdev->dev); - acpi_bus_generate_netlink_event(adev->pnp.device_class, - dev_name(&ac->pdev->dev), - event, (u32) ac->state); - acpi_notifier_call_chain(adev, event, (u32) ac->state); + acpi_bus_generate_netlink_event(device->pnp.device_class, + dev_name(&device->dev), event, + (u32) ac->state); + acpi_notifier_call_chain(device, event, (u32) ac->state); kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); } @@ -170,49 +198,39 @@ static struct dmi_system_id ac_dmi_table[] = { {}, }; -static int acpi_ac_probe(struct platform_device *pdev) +static int acpi_ac_add(struct acpi_device *device) { int result = 0; struct acpi_ac *ac = NULL; - struct acpi_device *adev; - if (!pdev) - return -EINVAL; - adev = ACPI_COMPANION(&pdev->dev); - if (!adev) - return -ENODEV; + if (!device) + return -EINVAL; ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL); if (!ac) return -ENOMEM; - strcpy(acpi_device_name(adev), ACPI_AC_DEVICE_NAME); - strcpy(acpi_device_class(adev), ACPI_AC_CLASS); - ac->pdev = pdev; - platform_set_drvdata(pdev, ac); + ac->device = device; + strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME); + strcpy(acpi_device_class(device), ACPI_AC_CLASS); + device->driver_data = ac; result = acpi_ac_get_state(ac); if (result) goto end; - ac->charger.name = acpi_device_bid(adev); + ac->charger.name = acpi_device_bid(device); ac->charger.type = POWER_SUPPLY_TYPE_MAINS; ac->charger.properties = ac_props; ac->charger.num_properties = ARRAY_SIZE(ac_props); ac->charger.get_property = get_ac_property; - result = power_supply_register(&pdev->dev, &ac->charger); + result = power_supply_register(&ac->device->dev, &ac->charger); if (result) goto end; - result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev), - ACPI_ALL_NOTIFY, acpi_ac_notify_handler, ac); - if (result) { - power_supply_unregister(&ac->charger); - goto end; - } printk(KERN_INFO PREFIX "%s [%s] (%s)\n", - acpi_device_name(adev), acpi_device_bid(adev), + acpi_device_name(device), acpi_device_bid(device), ac->state ? "on-line" : "off-line"); end: @@ -232,7 +250,7 @@ static int acpi_ac_resume(struct device *dev) if (!dev) return -EINVAL; - ac = platform_get_drvdata(to_platform_device(dev)); + ac = acpi_driver_data(to_acpi_device(dev)); if (!ac) return -EINVAL; @@ -246,19 +264,17 @@ static int acpi_ac_resume(struct device *dev) #else #define acpi_ac_resume NULL #endif -static SIMPLE_DEV_PM_OPS(acpi_ac_pm_ops, NULL, acpi_ac_resume); -static int acpi_ac_remove(struct platform_device *pdev) +static int acpi_ac_remove(struct acpi_device *device) { - struct acpi_ac *ac; + struct acpi_ac *ac = NULL; + - if (!pdev) + if (!device || !acpi_driver_data(device)) return -EINVAL; - acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev), - ACPI_ALL_NOTIFY, acpi_ac_notify_handler); + ac = acpi_driver_data(device); - ac = platform_get_drvdata(pdev); if (ac->charger.dev) power_supply_unregister(&ac->charger); @@ -267,23 +283,6 @@ static int acpi_ac_remove(struct platform_device *pdev) return 0; } -static const struct acpi_device_id acpi_ac_match[] = { - { "ACPI0003", 0 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, acpi_ac_match); - -static struct platform_driver acpi_ac_driver = { - .probe = acpi_ac_probe, - .remove = acpi_ac_remove, - .driver = { - .name = "acpi-ac", - .owner = THIS_MODULE, - .pm = &acpi_ac_pm_ops, - .acpi_match_table = ACPI_PTR(acpi_ac_match), - }, -}; - static int __init acpi_ac_init(void) { int result; @@ -291,7 +290,7 @@ static int __init acpi_ac_init(void) if (acpi_disabled) return -ENODEV; - result = platform_driver_register(&acpi_ac_driver); + result = acpi_bus_register_driver(&acpi_ac_driver); if (result < 0) return -ENODEV; @@ -300,7 +299,7 @@ static int __init acpi_ac_init(void) static void __exit acpi_ac_exit(void) { - platform_driver_unregister(&acpi_ac_driver); + acpi_bus_unregister_driver(&acpi_ac_driver); } module_init(acpi_ac_init); module_exit(acpi_ac_exit); diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index dbfe49e5fd63..1d4950388fa1 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -29,7 +29,6 @@ ACPI_MODULE_NAME("platform"); static const struct acpi_device_id acpi_platform_device_ids[] = { { "PNP0D40" }, - { "ACPI0003" }, { "VPC2004" }, { "BCM4752" }, diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index c29c2c3ec0ad..52c81c49cc7d 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -170,6 +170,9 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr) acpi_status status; int ret; + if (pr->apic_id == -1) + return -ENODEV; + status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT)) return -ENODEV; @@ -260,10 +263,8 @@ static int acpi_processor_get_info(struct acpi_device *device) } apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id); - if (apic_id < 0) { + if (apic_id < 0) acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n"); - return -ENODEV; - } pr->apic_id = apic_id; cpu_index = acpi_map_cpuid(pr->apic_id, pr->acpi_id); @@ -404,7 +405,6 @@ static int acpi_processor_add(struct acpi_device *device, goto err; pr->dev = dev; - dev->offline = pr->flags.need_hotplug_init; /* Trigger the processor driver's .probe() if present. */ if (device_attach(dev) >= 0) diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 4ed1aa384df2..514f34033f96 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -132,9 +132,9 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_do_not_use_xsdt, FALSE); * address. Although ACPICA adheres to the ACPI specification which * requires the use of the corresponding 64-bit address if it is non-zero, * some machines have been found to have a corrupted non-zero 64-bit - * address. Default is FALSE, do not favor the 32-bit addresses. + * address. Default is TRUE, favor the 32-bit addresses. */ -u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, FALSE); +u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, TRUE); /* * Optionally truncate I/O addresses to 16 bits. Provides compatibility diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 6412d3c301cb..1bc879ec83d4 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -461,6 +461,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) u32 table_count; struct acpi_table_header *table; acpi_physical_address address; + acpi_physical_address rsdt_address; u32 length; u8 *table_entry; acpi_status status; @@ -488,11 +489,14 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) * as per the ACPI specification. */ address = (acpi_physical_address) rsdp->xsdt_physical_address; + rsdt_address = + (acpi_physical_address) rsdp->rsdt_physical_address; table_entry_size = ACPI_XSDT_ENTRY_SIZE; } else { /* Root table is an RSDT (32-bit physical addresses) */ address = (acpi_physical_address) rsdp->rsdt_physical_address; + rsdt_address = address; table_entry_size = ACPI_RSDT_ENTRY_SIZE; } @@ -515,8 +519,7 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) /* Fall back to the RSDT */ - address = - (acpi_physical_address) rsdp->rsdt_physical_address; + address = rsdt_address; table_entry_size = ACPI_RSDT_ENTRY_SIZE; } } diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 45c0eb26b33d..cd2047af96db 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -353,7 +353,7 @@ void acpi_ut_print_string(char *string, u16 max_length) } acpi_os_printf("\""); - for (i = 0; string[i] && (i < max_length); i++) { + for (i = 0; (i < max_length) && string[i]; i++) { /* Escape sequences */ diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 797a6938d051..efa71d66e8b0 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -36,6 +36,12 @@ #include <linux/suspend.h> #include <asm/unaligned.h> +#ifdef CONFIG_ACPI_PROCFS_POWER +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#include <asm/uaccess.h> +#endif + #include <linux/acpi.h> #include <linux/power_supply.h> @@ -66,6 +72,19 @@ static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); +#ifdef CONFIG_ACPI_PROCFS_POWER +extern struct proc_dir_entry *acpi_lock_battery_dir(void); +extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); + +enum acpi_battery_files { + info_tag = 0, + state_tag, + alarm_tag, + ACPI_BATTERY_NUMFILES, +}; + +#endif + static const struct acpi_device_id battery_device_ids[] = { {"PNP0C0A", 0}, {"", 0}, @@ -301,6 +320,14 @@ static enum power_supply_property energy_battery_props[] = { POWER_SUPPLY_PROP_SERIAL_NUMBER, }; +#ifdef CONFIG_ACPI_PROCFS_POWER +inline char *acpi_battery_units(struct acpi_battery *battery) +{ + return (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) ? + "mA" : "mW"; +} +#endif + /* -------------------------------------------------------------------------- Battery Management -------------------------------------------------------------------------- */ @@ -719,6 +746,279 @@ static void acpi_battery_refresh(struct acpi_battery *battery) } /* -------------------------------------------------------------------------- + FS Interface (/proc) + -------------------------------------------------------------------------- */ + +#ifdef CONFIG_ACPI_PROCFS_POWER +static struct proc_dir_entry *acpi_battery_dir; + +static int acpi_battery_print_info(struct seq_file *seq, int result) +{ + struct acpi_battery *battery = seq->private; + + if (result) + goto end; + + seq_printf(seq, "present: %s\n", + acpi_battery_present(battery) ? "yes" : "no"); + if (!acpi_battery_present(battery)) + goto end; + if (battery->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN) + seq_printf(seq, "design capacity: unknown\n"); + else + seq_printf(seq, "design capacity: %d %sh\n", + battery->design_capacity, + acpi_battery_units(battery)); + + if (battery->full_charge_capacity == ACPI_BATTERY_VALUE_UNKNOWN) + seq_printf(seq, "last full capacity: unknown\n"); + else + seq_printf(seq, "last full capacity: %d %sh\n", + battery->full_charge_capacity, + acpi_battery_units(battery)); + + seq_printf(seq, "battery technology: %srechargeable\n", + (!battery->technology)?"non-":""); + + if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN) + seq_printf(seq, "design voltage: unknown\n"); + else + seq_printf(seq, "design voltage: %d mV\n", + battery->design_voltage); + seq_printf(seq, "design capacity warning: %d %sh\n", + battery->design_capacity_warning, + acpi_battery_units(battery)); + seq_printf(seq, "design capacity low: %d %sh\n", + battery->design_capacity_low, + acpi_battery_units(battery)); + seq_printf(seq, "cycle count: %i\n", battery->cycle_count); + seq_printf(seq, "capacity granularity 1: %d %sh\n", + battery->capacity_granularity_1, + acpi_battery_units(battery)); + seq_printf(seq, "capacity granularity 2: %d %sh\n", + battery->capacity_granularity_2, + acpi_battery_units(battery)); + seq_printf(seq, "model number: %s\n", battery->model_number); + seq_printf(seq, "serial number: %s\n", battery->serial_number); + seq_printf(seq, "battery type: %s\n", battery->type); + seq_printf(seq, "OEM info: %s\n", battery->oem_info); + end: + if (result) + seq_printf(seq, "ERROR: Unable to read battery info\n"); + return result; +} + +static int acpi_battery_print_state(struct seq_file *seq, int result) +{ + struct acpi_battery *battery = seq->private; + + if (result) + goto end; + + seq_printf(seq, "present: %s\n", + acpi_battery_present(battery) ? "yes" : "no"); + if (!acpi_battery_present(battery)) + goto end; + + seq_printf(seq, "capacity state: %s\n", + (battery->state & 0x04) ? "critical" : "ok"); + if ((battery->state & 0x01) && (battery->state & 0x02)) + seq_printf(seq, + "charging state: charging/discharging\n"); + else if (battery->state & 0x01) + seq_printf(seq, "charging state: discharging\n"); + else if (battery->state & 0x02) + seq_printf(seq, "charging state: charging\n"); + else + seq_printf(seq, "charging state: charged\n"); + + if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) + seq_printf(seq, "present rate: unknown\n"); + else + seq_printf(seq, "present rate: %d %s\n", + battery->rate_now, acpi_battery_units(battery)); + + if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN) + seq_printf(seq, "remaining capacity: unknown\n"); + else + seq_printf(seq, "remaining capacity: %d %sh\n", + battery->capacity_now, acpi_battery_units(battery)); + if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN) + seq_printf(seq, "present voltage: unknown\n"); + else + seq_printf(seq, "present voltage: %d mV\n", + battery->voltage_now); + end: + if (result) + seq_printf(seq, "ERROR: Unable to read battery state\n"); + + return result; +} + +static int acpi_battery_print_alarm(struct seq_file *seq, int result) +{ + struct acpi_battery *battery = seq->private; + + if (result) + goto end; + + if (!acpi_battery_present(battery)) { + seq_printf(seq, "present: no\n"); + goto end; + } + seq_printf(seq, "alarm: "); + if (!battery->alarm) + seq_printf(seq, "unsupported\n"); + else + seq_printf(seq, "%u %sh\n", battery->alarm, + acpi_battery_units(battery)); + end: + if (result) + seq_printf(seq, "ERROR: Unable to read battery alarm\n"); + return result; +} + +static ssize_t acpi_battery_write_alarm(struct file *file, + const char __user * buffer, + size_t count, loff_t * ppos) +{ + int result = 0; + char alarm_string[12] = { '\0' }; + struct seq_file *m = file->private_data; + struct acpi_battery *battery = m->private; + + if (!battery || (count > sizeof(alarm_string) - 1)) + return -EINVAL; + if (!acpi_battery_present(battery)) { + result = -ENODEV; + goto end; + } + if (copy_from_user(alarm_string, buffer, count)) { + result = -EFAULT; + goto end; + } + alarm_string[count] = '\0'; + battery->alarm = simple_strtol(alarm_string, NULL, 0); + result = acpi_battery_set_alarm(battery); + end: + if (!result) + return count; + return result; +} + +typedef int(*print_func)(struct seq_file *seq, int result); + +static print_func acpi_print_funcs[ACPI_BATTERY_NUMFILES] = { + acpi_battery_print_info, + acpi_battery_print_state, + acpi_battery_print_alarm, +}; + +static int acpi_battery_read(int fid, struct seq_file *seq) +{ + struct acpi_battery *battery = seq->private; + int result = acpi_battery_update(battery); + return acpi_print_funcs[fid](seq, result); +} + +#define DECLARE_FILE_FUNCTIONS(_name) \ +static int acpi_battery_read_##_name(struct seq_file *seq, void *offset) \ +{ \ + return acpi_battery_read(_name##_tag, seq); \ +} \ +static int acpi_battery_##_name##_open_fs(struct inode *inode, struct file *file) \ +{ \ + return single_open(file, acpi_battery_read_##_name, PDE_DATA(inode)); \ +} + +DECLARE_FILE_FUNCTIONS(info); +DECLARE_FILE_FUNCTIONS(state); +DECLARE_FILE_FUNCTIONS(alarm); + +#undef DECLARE_FILE_FUNCTIONS + +#define FILE_DESCRIPTION_RO(_name) \ + { \ + .name = __stringify(_name), \ + .mode = S_IRUGO, \ + .ops = { \ + .open = acpi_battery_##_name##_open_fs, \ + .read = seq_read, \ + .llseek = seq_lseek, \ + .release = single_release, \ + .owner = THIS_MODULE, \ + }, \ + } + +#define FILE_DESCRIPTION_RW(_name) \ + { \ + .name = __stringify(_name), \ + .mode = S_IFREG | S_IRUGO | S_IWUSR, \ + .ops = { \ + .open = acpi_battery_##_name##_open_fs, \ + .read = seq_read, \ + .llseek = seq_lseek, \ + .write = acpi_battery_write_##_name, \ + .release = single_release, \ + .owner = THIS_MODULE, \ + }, \ + } + +static const struct battery_file { + struct file_operations ops; + umode_t mode; + const char *name; +} acpi_battery_file[] = { + FILE_DESCRIPTION_RO(info), + FILE_DESCRIPTION_RO(state), + FILE_DESCRIPTION_RW(alarm), +}; + +#undef FILE_DESCRIPTION_RO +#undef FILE_DESCRIPTION_RW + +static int acpi_battery_add_fs(struct acpi_device *device) +{ + struct proc_dir_entry *entry = NULL; + int i; + + printk(KERN_WARNING PREFIX "Deprecated procfs I/F for battery is loaded," + " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n"); + if (!acpi_device_dir(device)) { + acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), + acpi_battery_dir); + if (!acpi_device_dir(device)) + return -ENODEV; + } + + for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) { + entry = proc_create_data(acpi_battery_file[i].name, + acpi_battery_file[i].mode, + acpi_device_dir(device), + &acpi_battery_file[i].ops, + acpi_driver_data(device)); + if (!entry) + return -ENODEV; + } + return 0; +} + +static void acpi_battery_remove_fs(struct acpi_device *device) +{ + int i; + if (!acpi_device_dir(device)) + return; + for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) + remove_proc_entry(acpi_battery_file[i].name, + acpi_device_dir(device)); + + remove_proc_entry(acpi_device_bid(device), acpi_battery_dir); + acpi_device_dir(device) = NULL; +} + +#endif + +/* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ @@ -791,6 +1091,15 @@ static int acpi_battery_add(struct acpi_device *device) result = acpi_battery_update(battery); if (result) goto fail; +#ifdef CONFIG_ACPI_PROCFS_POWER + result = acpi_battery_add_fs(device); +#endif + if (result) { +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_battery_remove_fs(device); +#endif + goto fail; + } printk(KERN_INFO PREFIX "%s Slot [%s] (battery %s)\n", ACPI_BATTERY_DEVICE_NAME, acpi_device_bid(device), @@ -817,6 +1126,9 @@ static int acpi_battery_remove(struct acpi_device *device) return -EINVAL; battery = acpi_driver_data(device); unregister_pm_notifier(&battery->pm_nb); +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_battery_remove_fs(device); +#endif sysfs_remove_battery(battery); mutex_destroy(&battery->lock); mutex_destroy(&battery->sysfs_lock); @@ -867,7 +1179,19 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie) if (dmi_check_system(bat_dmi_table)) battery_bix_broken_package = 1; - acpi_bus_register_driver(&acpi_battery_driver); + +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_battery_dir = acpi_lock_battery_dir(); + if (!acpi_battery_dir) + return; +#endif + if (acpi_bus_register_driver(&acpi_battery_driver) < 0) { +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_unlock_battery_dir(acpi_battery_dir); +#endif + return; + } + return; } static int __init acpi_battery_init(void) @@ -879,6 +1203,9 @@ static int __init acpi_battery_init(void) static void __exit acpi_battery_exit(void) { acpi_bus_unregister_driver(&acpi_battery_driver); +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_unlock_battery_dir(acpi_battery_dir); +#endif } module_init(acpi_battery_init); diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index afec4526c48a..3d8413d02a97 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -314,6 +314,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"), }, }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Inspiron 7737", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7737"), + }, + }, /* * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. @@ -374,6 +382,19 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"), }, }, + /* + * Without this this EEEpc exports a non working WMI interface, with + * this it exports a working "good old" eeepc_laptop interface, fixing + * both brightness control, and rfkill not working. + */ + { + .callback = dmi_enable_osi_linux, + .ident = "Asus EEE PC 1015PX", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), + }, + }, {} }; diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index fcb59c21c68d..b48aefab57e8 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -52,6 +52,12 @@ struct proc_dir_entry *acpi_root_dir; EXPORT_SYMBOL(acpi_root_dir); #ifdef CONFIG_X86 +#ifdef CONFIG_ACPI_CUSTOM_DSDT +static inline int set_copy_dsdt(const struct dmi_system_id *id) +{ + return 0; +} +#else static int set_copy_dsdt(const struct dmi_system_id *id) { printk(KERN_NOTICE "%s detected - " @@ -59,6 +65,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id) acpi_gbl_copy_dsdt_locally = 1; return 0; } +#endif static struct dmi_system_id dsdt_dmi_table[] __initdata = { /* diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c new file mode 100644 index 000000000000..6c9ee68e46fb --- /dev/null +++ b/drivers/acpi/cm_sbs.c @@ -0,0 +1,105 @@ +/* + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> + +#define PREFIX "ACPI: " + +ACPI_MODULE_NAME("cm_sbs"); +#define ACPI_AC_CLASS "ac_adapter" +#define ACPI_BATTERY_CLASS "battery" +#define _COMPONENT ACPI_SBS_COMPONENT +static struct proc_dir_entry *acpi_ac_dir; +static struct proc_dir_entry *acpi_battery_dir; + +static DEFINE_MUTEX(cm_sbs_mutex); + +static int lock_ac_dir_cnt; +static int lock_battery_dir_cnt; + +struct proc_dir_entry *acpi_lock_ac_dir(void) +{ + mutex_lock(&cm_sbs_mutex); + if (!acpi_ac_dir) + acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir); + if (acpi_ac_dir) { + lock_ac_dir_cnt++; + } else { + printk(KERN_ERR PREFIX + "Cannot create %s\n", ACPI_AC_CLASS); + } + mutex_unlock(&cm_sbs_mutex); + return acpi_ac_dir; +} +EXPORT_SYMBOL(acpi_lock_ac_dir); + +void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param) +{ + mutex_lock(&cm_sbs_mutex); + if (acpi_ac_dir_param) + lock_ac_dir_cnt--; + if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) { + remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir); + acpi_ac_dir = NULL; + } + mutex_unlock(&cm_sbs_mutex); +} +EXPORT_SYMBOL(acpi_unlock_ac_dir); + +struct proc_dir_entry *acpi_lock_battery_dir(void) +{ + mutex_lock(&cm_sbs_mutex); + if (!acpi_battery_dir) { + acpi_battery_dir = + proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir); + } + if (acpi_battery_dir) { + lock_battery_dir_cnt++; + } else { + printk(KERN_ERR PREFIX + "Cannot create %s\n", ACPI_BATTERY_CLASS); + } + mutex_unlock(&cm_sbs_mutex); + return acpi_battery_dir; +} +EXPORT_SYMBOL(acpi_lock_battery_dir); + +void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param) +{ + mutex_lock(&cm_sbs_mutex); + if (acpi_battery_dir_param) + lock_battery_dir_cnt--; + if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param + && acpi_battery_dir) { + remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir); + acpi_battery_dir = NULL; + } + mutex_unlock(&cm_sbs_mutex); + return; +} +EXPORT_SYMBOL(acpi_unlock_battery_dir); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d7d32c28829b..ad11ba4a412d 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -206,13 +206,13 @@ unlock: spin_unlock_irqrestore(&ec->lock, flags); } -static int acpi_ec_sync_query(struct acpi_ec *ec); +static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data); static int ec_check_sci_sync(struct acpi_ec *ec, u8 state) { if (state & ACPI_EC_FLAG_SCI) { if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) - return acpi_ec_sync_query(ec); + return acpi_ec_sync_query(ec, NULL); } return 0; } @@ -443,10 +443,8 @@ acpi_handle ec_get_handle(void) EXPORT_SYMBOL(ec_get_handle); -static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 *data); - /* - * Clears stale _Q events that might have accumulated in the EC. + * Process _Q events that might have accumulated in the EC. * Run with locked ec mutex. */ static void acpi_ec_clear(struct acpi_ec *ec) @@ -455,7 +453,7 @@ static void acpi_ec_clear(struct acpi_ec *ec) u8 value = 0; for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) { - status = acpi_ec_query_unlocked(ec, &value); + status = acpi_ec_sync_query(ec, &value); if (status || !value) break; } @@ -582,13 +580,18 @@ static void acpi_ec_run(void *cxt) kfree(handler); } -static int acpi_ec_sync_query(struct acpi_ec *ec) +static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data) { u8 value = 0; int status; struct acpi_ec_query_handler *handler, *copy; - if ((status = acpi_ec_query_unlocked(ec, &value))) + + status = acpi_ec_query_unlocked(ec, &value); + if (data) + *data = value; + if (status) return status; + list_for_each_entry(handler, &ec->list, node) { if (value == handler->query_bit) { /* have custom handler for this bit */ @@ -612,7 +615,7 @@ static void acpi_ec_gpe_query(void *ec_cxt) if (!ec) return; mutex_lock(&ec->mutex); - acpi_ec_sync_query(ec); + acpi_ec_sync_query(ec, NULL); mutex_unlock(&ec->mutex); } diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 85e3b612bdc0..81a756c765dc 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -30,6 +30,7 @@ #include <linux/types.h> #include <linux/hardirq.h> #include <linux/acpi.h> +#include <linux/dynamic_debug.h> #include "internal.h" @@ -464,6 +465,24 @@ acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, EXPORT_SYMBOL(acpi_evaluate_hotplug_ost); /** + * acpi_handle_path: Return the object path of handle + * + * Caller must free the returned buffer + */ +static char *acpi_handle_path(acpi_handle handle) +{ + struct acpi_buffer buffer = { + .length = ACPI_ALLOCATE_BUFFER, + .pointer = NULL + }; + + if (in_interrupt() || + acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer) != AE_OK) + return NULL; + return buffer.pointer; +} + +/** * acpi_handle_printk: Print message with ACPI prefix and object path * * This function is called through acpi_handle_<level> macros and prints @@ -476,29 +495,50 @@ acpi_handle_printk(const char *level, acpi_handle handle, const char *fmt, ...) { struct va_format vaf; va_list args; - struct acpi_buffer buffer = { - .length = ACPI_ALLOCATE_BUFFER, - .pointer = NULL - }; const char *path; va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; - if (in_interrupt() || - acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer) != AE_OK) - path = "<n/a>"; - else - path = buffer.pointer; - - printk("%sACPI: %s: %pV", level, path, &vaf); + path = acpi_handle_path(handle); + printk("%sACPI: %s: %pV", level, path ? path : "<n/a>" , &vaf); va_end(args); - kfree(buffer.pointer); + kfree(path); } EXPORT_SYMBOL(acpi_handle_printk); +#if defined(CONFIG_DYNAMIC_DEBUG) +/** + * __acpi_handle_debug: pr_debug with ACPI prefix and object path + * + * This function is called through acpi_handle_debug macro and debug + * prints a message with ACPI prefix and object path. This function + * acquires the global namespace mutex to obtain an object path. In + * interrupt context, it shows the object path as <n/a>. + */ +void +__acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, + const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + const char *path; + + va_start(args, fmt); + vaf.fmt = fmt; + vaf.va = &args; + + path = acpi_handle_path(handle); + __dynamic_pr_debug(descriptor, "ACPI: %s: %pV", path ? path : "<n/a>", &vaf); + + va_end(args); + kfree(path); +} +EXPORT_SYMBOL(__acpi_handle_debug); +#endif + /** * acpi_has_method: Check whether @handle has a method named @name * @handle: ACPI device handle diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index b6ba88ed31ae..bb0b90461a6b 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -459,10 +459,10 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, { .callback = video_set_use_native_backlight, - .ident = "ThinkPad T430s", + .ident = "ThinkPad T430 and T430s", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430s"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430"), }, }, { @@ -474,7 +474,7 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, }, { - .callback = video_set_use_native_backlight, + .callback = video_set_use_native_backlight, .ident = "ThinkPad X1 Carbon", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), @@ -494,7 +494,7 @@ static struct dmi_system_id video_dmi_table[] __initdata = { .ident = "Dell Inspiron 7520", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_VERSION, "Inspiron 7520"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"), }, }, { @@ -507,6 +507,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, { .callback = video_set_use_native_backlight, + .ident = "Acer Aspire 5742G", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5742G"), + }, + }, + { + .callback = video_set_use_native_backlight, .ident = "Acer Aspire V5-431", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index c81d809c111b..9aa42998d757 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -446,10 +446,14 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192), .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0), + .driver_data = board_ahci_yes_fbs }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3), .driver_data = board_ahci_yes_fbs }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230), .driver_data = board_ahci_yes_fbs }, + { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), + .driver_data = board_ahci_yes_fbs }, /* Promise */ { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */ @@ -1163,7 +1167,7 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host) #endif static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, - struct ahci_host_priv *hpriv) + struct ahci_host_priv *hpriv) { int rc, nvec; @@ -1189,6 +1193,13 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, else if (rc > 0) goto single_msi; + /* fallback to single MSI mode if the controller enforced MRSM mode */ + if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) { + pci_disable_msi(pdev); + printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n"); + goto single_msi; + } + return nvec; single_msi: @@ -1233,18 +1244,18 @@ int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis) return rc; for (i = 0; i < host->n_ports; i++) { - const char* desc; struct ahci_port_priv *pp = host->ports[i]->private_data; - /* pp is NULL for dummy ports */ - if (pp) - desc = pp->irq_desc; - else - desc = dev_driver_string(host->dev); + /* Do not receive interrupts sent by dummy ports */ + if (!pp) { + disable_irq(irq + i); + continue; + } - rc = devm_request_threaded_irq(host->dev, - irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED, - desc, host->ports[i]); + rc = devm_request_threaded_irq(host->dev, irq + i, + ahci_hw_interrupt, + ahci_thread_fn, IRQF_SHARED, + pp->irq_desc, host->ports[i]); if (rc) goto out_free_irqs; } diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 2289efdf8203..ad36faf31dbd 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -91,6 +91,7 @@ enum { /* HOST_CTL bits */ HOST_RESET = (1 << 0), /* reset controller; self-clear */ HOST_IRQ_EN = (1 << 1), /* global IRQ enable */ + HOST_MRSM = (1 << 2), /* MSI Revert to Single Message */ HOST_AHCI_EN = (1 << 31), /* AHCI enabled */ /* HOST_CAP bits */ diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 8cb2522d592a..62fda16c8377 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4226,6 +4226,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* devices that don't properly handle queued TRIM commands */ { "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, { "Crucial_CT???M500SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, + { "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, + { "Crucial_CT???M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, }, /* * Some WD SATA-I drives spin up and down erratically when the link @@ -4792,21 +4794,26 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap) { struct ata_queued_cmd *qc = NULL; - unsigned int i; + unsigned int i, tag; /* no command while frozen */ if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) return NULL; - /* the last tag is reserved for internal command. */ - for (i = 0; i < ATA_MAX_QUEUE - 1; i++) - if (!test_and_set_bit(i, &ap->qc_allocated)) { - qc = __ata_qc_from_tag(ap, i); + for (i = 0; i < ATA_MAX_QUEUE; i++) { + tag = (i + ap->last_tag + 1) % ATA_MAX_QUEUE; + + /* the last tag is reserved for internal command. */ + if (tag == ATA_TAG_INTERNAL) + continue; + + if (!test_and_set_bit(tag, &ap->qc_allocated)) { + qc = __ata_qc_from_tag(ap, tag); + qc->tag = tag; + ap->last_tag = tag; break; } - - if (qc) - qc->tag = i; + } return qc; } @@ -6322,6 +6329,8 @@ int ata_host_activate(struct ata_host *host, int irq, static void ata_port_detach(struct ata_port *ap) { unsigned long flags; + struct ata_link *link; + struct ata_device *dev; if (!ap->ops->error_handler) goto skip_eh; @@ -6341,6 +6350,13 @@ static void ata_port_detach(struct ata_port *ap) cancel_delayed_work_sync(&ap->hotplug_task); skip_eh: + /* clean up zpodd on port removal */ + ata_for_each_link(link, ap, HOST_FIRST) { + ata_for_each_dev(dev, link, ALL) { + if (zpodd_dev_enabled(dev)) + zpodd_exit(dev); + } + } if (ap->pmp_link) { int i; for (i = 0; i < SATA_PMP_MAX_PORTS; i++) diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c index d63ee8f41a4f..e3a49df958a3 100644 --- a/drivers/ata/pata_at91.c +++ b/drivers/ata/pata_at91.c @@ -408,12 +408,13 @@ static int pata_at91_probe(struct platform_device *pdev) host->private_data = info; - return ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0, - gpio_is_valid(irq) ? ata_sff_interrupt : NULL, - irq_flags, &pata_at91_sht); + ret = ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0, + gpio_is_valid(irq) ? ata_sff_interrupt : NULL, + irq_flags, &pata_at91_sht); + if (ret) + goto err_put; - if (!ret) - return 0; + return 0; err_put: clk_put(info->mck); diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 06051767393f..8a8d611f2021 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -52,6 +52,7 @@ static DEFINE_MUTEX(deferred_probe_mutex); static LIST_HEAD(deferred_probe_pending_list); static LIST_HEAD(deferred_probe_active_list); static struct workqueue_struct *deferred_wq; +static atomic_t deferred_trigger_count = ATOMIC_INIT(0); /** * deferred_probe_work_func() - Retry probing devices in the active list. @@ -135,6 +136,17 @@ static bool driver_deferred_probe_enable = false; * This functions moves all devices from the pending list to the active * list and schedules the deferred probe workqueue to process them. It * should be called anytime a driver is successfully bound to a device. + * + * Note, there is a race condition in multi-threaded probe. In the case where + * more than one device is probing at the same time, it is possible for one + * probe to complete successfully while another is about to defer. If the second + * depends on the first, then it will get put on the pending list after the + * trigger event has already occured and will be stuck there. + * + * The atomic 'deferred_trigger_count' is used to determine if a successful + * trigger has occurred in the midst of probing a driver. If the trigger count + * changes in the midst of a probe, then deferred processing should be triggered + * again. */ static void driver_deferred_probe_trigger(void) { @@ -147,6 +159,7 @@ static void driver_deferred_probe_trigger(void) * into the active list so they can be retried by the workqueue */ mutex_lock(&deferred_probe_mutex); + atomic_inc(&deferred_trigger_count); list_splice_tail_init(&deferred_probe_pending_list, &deferred_probe_active_list); mutex_unlock(&deferred_probe_mutex); @@ -265,6 +278,7 @@ static DECLARE_WAIT_QUEUE_HEAD(probe_waitqueue); static int really_probe(struct device *dev, struct device_driver *drv) { int ret = 0; + int local_trigger_count = atomic_read(&deferred_trigger_count); atomic_inc(&probe_count); pr_debug("bus: '%s': %s: probing driver %s with device %s\n", @@ -310,6 +324,9 @@ probe_failed: /* Driver requested deferred probing */ dev_info(dev, "Driver %s requests probe deferral\n", drv->name); driver_deferred_probe_add(dev); + /* Did a trigger occur while probing? Need to re-trigger if yes */ + if (local_trigger_count != atomic_read(&deferred_trigger_count)) + driver_deferred_probe_trigger(); } else if (ret != -ENODEV && ret != -ENXIO) { /* driver matched but the probe failed */ printk(KERN_WARNING diff --git a/drivers/base/platform.c b/drivers/base/platform.c index bc78848dd59a..3c51eb0bd659 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -13,6 +13,7 @@ #include <linux/string.h> #include <linux/platform_device.h> #include <linux/of_device.h> +#include <linux/of_irq.h> #include <linux/module.h> #include <linux/init.h> #include <linux/dma-mapping.h> @@ -87,7 +88,11 @@ int platform_get_irq(struct platform_device *dev, unsigned int num) return -ENXIO; return dev->archdata.irqs[num]; #else - struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num); + struct resource *r; + if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) + return of_irq_get(dev->dev.of_node, num); + + r = platform_get_resource(dev, IORESOURCE_IRQ, num); return r ? r->start : -ENXIO; #endif diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c index fa4187418440..08d99ef60b70 100644 --- a/drivers/base/power/opp.c +++ b/drivers/base/power/opp.c @@ -735,11 +735,9 @@ int of_init_opp_table(struct device *dev) unsigned long freq = be32_to_cpup(val++) * 1000; unsigned long volt = be32_to_cpup(val++); - if (dev_pm_opp_add(dev, freq, volt)) { + if (dev_pm_opp_add(dev, freq, volt)) dev_warn(dev, "%s: Failed to add OPP %ld\n", __func__, freq); - continue; - } nr -= 2; } diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 94ffee378f10..37a5661ca5f9 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -40,8 +40,7 @@ static ssize_t show_##name(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ - unsigned int cpu = dev->id; \ - return sprintf(buf, "%d\n", topology_##name(cpu)); \ + return sprintf(buf, "%d\n", topology_##name(dev->id)); \ } #if defined(topology_thread_cpumask) || defined(topology_core_cpumask) || \ diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 2023043ce7c0..dab515cd77bf 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3053,7 +3053,10 @@ static int raw_cmd_copyout(int cmd, void __user *param, int ret; while (ptr) { - ret = copy_to_user(param, ptr, sizeof(*ptr)); + struct floppy_raw_cmd cmd = *ptr; + cmd.next = NULL; + cmd.kernel_data = NULL; + ret = copy_to_user(param, &cmd, sizeof(cmd)); if (ret) return -EFAULT; param += sizeof(struct floppy_raw_cmd); @@ -3107,10 +3110,11 @@ loop: return -ENOMEM; *rcmd = ptr; ret = copy_from_user(ptr, param, sizeof(*ptr)); - if (ret) - return -EFAULT; ptr->next = NULL; ptr->buffer_length = 0; + ptr->kernel_data = NULL; + if (ret) + return -EFAULT; param += sizeof(struct floppy_raw_cmd); if (ptr->cmd_count > 33) /* the command may now also take up the space @@ -3126,7 +3130,6 @@ loop: for (i = 0; i < 16; i++) ptr->reply[i] = 0; ptr->resultcode = 0; - ptr->kernel_data = NULL; if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) { if (ptr->length <= 0) diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index a8939b98f9c3..4e763b0dbbfc 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -1529,6 +1529,37 @@ static inline void ata_swap_string(u16 *buf, unsigned int len) be16_to_cpus(&buf[i]); } +static void mtip_set_timeout(struct driver_data *dd, + struct host_to_dev_fis *fis, + unsigned int *timeout, u8 erasemode) +{ + switch (fis->command) { + case ATA_CMD_DOWNLOAD_MICRO: + *timeout = 120000; /* 2 minutes */ + break; + case ATA_CMD_SEC_ERASE_UNIT: + case 0xFC: + if (erasemode) + *timeout = ((*(dd->port->identify + 90) * 2) * 60000); + else + *timeout = ((*(dd->port->identify + 89) * 2) * 60000); + break; + case ATA_CMD_STANDBYNOW1: + *timeout = 120000; /* 2 minutes */ + break; + case 0xF7: + case 0xFA: + *timeout = 60000; /* 60 seconds */ + break; + case ATA_CMD_SMART: + *timeout = 15000; /* 15 seconds */ + break; + default: + *timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS; + break; + } +} + /* * Request the device identity information. * @@ -1644,6 +1675,7 @@ static int mtip_standby_immediate(struct mtip_port *port) int rv; struct host_to_dev_fis fis; unsigned long start; + unsigned int timeout; /* Build the FIS. */ memset(&fis, 0, sizeof(struct host_to_dev_fis)); @@ -1651,6 +1683,8 @@ static int mtip_standby_immediate(struct mtip_port *port) fis.opts = 1 << 7; fis.command = ATA_CMD_STANDBYNOW1; + mtip_set_timeout(port->dd, &fis, &timeout, 0); + start = jiffies; rv = mtip_exec_internal_command(port, &fis, @@ -1659,7 +1693,7 @@ static int mtip_standby_immediate(struct mtip_port *port) 0, 0, GFP_ATOMIC, - 15000); + timeout); dbg_printk(MTIP_DRV_NAME "Time taken to complete standby cmd: %d ms\n", jiffies_to_msecs(jiffies - start)); if (rv) @@ -2202,36 +2236,6 @@ static unsigned int implicit_sector(unsigned char command, } return rv; } -static void mtip_set_timeout(struct driver_data *dd, - struct host_to_dev_fis *fis, - unsigned int *timeout, u8 erasemode) -{ - switch (fis->command) { - case ATA_CMD_DOWNLOAD_MICRO: - *timeout = 120000; /* 2 minutes */ - break; - case ATA_CMD_SEC_ERASE_UNIT: - case 0xFC: - if (erasemode) - *timeout = ((*(dd->port->identify + 90) * 2) * 60000); - else - *timeout = ((*(dd->port->identify + 89) * 2) * 60000); - break; - case ATA_CMD_STANDBYNOW1: - *timeout = 120000; /* 2 minutes */ - break; - case 0xF7: - case 0xFA: - *timeout = 60000; /* 60 seconds */ - break; - case ATA_CMD_SMART: - *timeout = 15000; /* 15 seconds */ - break; - default: - *timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS; - break; - } -} /* * Executes a taskfile @@ -4479,6 +4483,57 @@ static DEFINE_HANDLER(5); static DEFINE_HANDLER(6); static DEFINE_HANDLER(7); +static void mtip_disable_link_opts(struct driver_data *dd, struct pci_dev *pdev) +{ + int pos; + unsigned short pcie_dev_ctrl; + + pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (pos) { + pci_read_config_word(pdev, + pos + PCI_EXP_DEVCTL, + &pcie_dev_ctrl); + if (pcie_dev_ctrl & (1 << 11) || + pcie_dev_ctrl & (1 << 4)) { + dev_info(&dd->pdev->dev, + "Disabling ERO/No-Snoop on bridge device %04x:%04x\n", + pdev->vendor, pdev->device); + pcie_dev_ctrl &= ~(PCI_EXP_DEVCTL_NOSNOOP_EN | + PCI_EXP_DEVCTL_RELAX_EN); + pci_write_config_word(pdev, + pos + PCI_EXP_DEVCTL, + pcie_dev_ctrl); + } + } +} + +static void mtip_fix_ero_nosnoop(struct driver_data *dd, struct pci_dev *pdev) +{ + /* + * This workaround is specific to AMD/ATI chipset with a PCI upstream + * device with device id 0x5aXX + */ + if (pdev->bus && pdev->bus->self) { + if (pdev->bus->self->vendor == PCI_VENDOR_ID_ATI && + ((pdev->bus->self->device & 0xff00) == 0x5a00)) { + mtip_disable_link_opts(dd, pdev->bus->self); + } else { + /* Check further up the topology */ + struct pci_dev *parent_dev = pdev->bus->self; + if (parent_dev->bus && + parent_dev->bus->parent && + parent_dev->bus->parent->self && + parent_dev->bus->parent->self->vendor == + PCI_VENDOR_ID_ATI && + (parent_dev->bus->parent->self->device & + 0xff00) == 0x5a00) { + mtip_disable_link_opts(dd, + parent_dev->bus->parent->self); + } + } + } +} + /* * Called for each supported PCI device detected. * @@ -4630,6 +4685,8 @@ static int mtip_pci_probe(struct pci_dev *pdev, goto block_initialize_err; } + mtip_fix_ero_nosnoop(dd, pdev); + /* Initialize the block layer. */ rv = mtip_block_initialize(dd); if (rv < 0) { @@ -4933,13 +4990,13 @@ static int __init mtip_init(void) */ static void __exit mtip_exit(void) { - debugfs_remove_recursive(dfs_parent); - /* Release the allocated major block device number. */ unregister_blkdev(mtip_major, MTIP_DRV_NAME); /* Unregister the PCI driver. */ pci_unregister_driver(&mtip_pci_driver); + + debugfs_remove_recursive(dfs_parent); } MODULE_AUTHOR("Micron Technology, Inc"); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 34898d53395b..7296c7f074bd 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1366,6 +1366,14 @@ static bool obj_request_exists_test(struct rbd_obj_request *obj_request) return test_bit(OBJ_REQ_EXISTS, &obj_request->flags) != 0; } +static bool obj_request_overlaps_parent(struct rbd_obj_request *obj_request) +{ + struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev; + + return obj_request->img_offset < + round_up(rbd_dev->parent_overlap, rbd_obj_bytes(&rbd_dev->header)); +} + static void rbd_obj_request_get(struct rbd_obj_request *obj_request) { dout("%s: obj %p (was %d)\n", __func__, obj_request, @@ -1382,6 +1390,13 @@ static void rbd_obj_request_put(struct rbd_obj_request *obj_request) kref_put(&obj_request->kref, rbd_obj_request_destroy); } +static void rbd_img_request_get(struct rbd_img_request *img_request) +{ + dout("%s: img %p (was %d)\n", __func__, img_request, + atomic_read(&img_request->kref.refcount)); + kref_get(&img_request->kref); +} + static bool img_request_child_test(struct rbd_img_request *img_request); static void rbd_parent_request_destroy(struct kref *kref); static void rbd_img_request_destroy(struct kref *kref); @@ -2128,6 +2143,7 @@ static void rbd_img_obj_callback(struct rbd_obj_request *obj_request) img_request->next_completion = which; out: spin_unlock_irq(&img_request->completion_lock); + rbd_img_request_put(img_request); if (!more) rbd_img_request_complete(img_request); @@ -2225,6 +2241,7 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, goto out_partial; obj_request->osd_req = osd_req; obj_request->callback = rbd_img_obj_callback; + rbd_img_request_get(img_request); osd_req_op_extent_init(osd_req, 0, opcode, offset, length, 0, 0); @@ -2253,7 +2270,7 @@ out_partial: rbd_obj_request_put(obj_request); out_unwind: for_each_obj_request_safe(img_request, obj_request, next_obj_request) - rbd_obj_request_put(obj_request); + rbd_img_obj_request_del(img_request, obj_request); return -ENOMEM; } @@ -2647,7 +2664,7 @@ static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request) */ if (!img_request_write_test(img_request) || !img_request_layered_test(img_request) || - rbd_dev->parent_overlap <= obj_request->img_offset || + !obj_request_overlaps_parent(obj_request) || ((known = obj_request_known_test(obj_request)) && obj_request_exists_test(obj_request))) { diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index b1cb3f4c4db4..6c911c86fb5a 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -144,11 +144,11 @@ static void virtblk_done(struct virtqueue *vq) if (unlikely(virtqueue_is_broken(vq))) break; } while (!virtqueue_enable_cb(vq)); - spin_unlock_irqrestore(&vblk->vq_lock, flags); /* In case queue is stopped waiting for more buffers. */ if (req_done) blk_mq_start_stopped_hw_queues(vblk->disk->queue); + spin_unlock_irqrestore(&vblk->vq_lock, flags); } static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req) @@ -200,8 +200,8 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *req) spin_lock_irqsave(&vblk->vq_lock, flags); if (__virtblk_add_req(vblk->vq, vbr, vbr->sg, num) < 0) { virtqueue_kick(vblk->vq); - spin_unlock_irqrestore(&vblk->vq_lock, flags); blk_mq_stop_hw_queue(hctx); + spin_unlock_irqrestore(&vblk->vq_lock, flags); return BLK_MQ_RQ_QUEUE_BUSY; } diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 106d1d8e16ad..b11949c5b029 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -82,6 +82,7 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x04CA, 0x3004) }, { USB_DEVICE(0x04CA, 0x3005) }, { USB_DEVICE(0x04CA, 0x3006) }, + { USB_DEVICE(0x04CA, 0x3007) }, { USB_DEVICE(0x04CA, 0x3008) }, { USB_DEVICE(0x04CA, 0x300b) }, { USB_DEVICE(0x13d3, 0x3362) }, @@ -127,6 +128,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index baeaaed299e4..1c7b5040d921 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -149,6 +149,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, @@ -1478,10 +1479,8 @@ static int btusb_probe(struct usb_interface *intf, if (id->driver_info & BTUSB_BCM92035) hdev->setup = btusb_setup_bcm92035; - if (id->driver_info & BTUSB_INTEL) { - usb_enable_autosuspend(data->udev); + if (id->driver_info & BTUSB_INTEL) hdev->setup = btusb_setup_intel; - } /* Interface numbers are hardcoded in the specification */ data->isoc = usb_ifnum_to_if(data->udev, 1); diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 6e06f6f69152..77af52f0e3b1 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -118,10 +118,6 @@ static inline struct sk_buff *hci_uart_dequeue(struct hci_uart *hu) int hci_uart_tx_wakeup(struct hci_uart *hu) { - struct tty_struct *tty = hu->tty; - struct hci_dev *hdev = hu->hdev; - struct sk_buff *skb; - if (test_and_set_bit(HCI_UART_SENDING, &hu->tx_state)) { set_bit(HCI_UART_TX_WAKEUP, &hu->tx_state); return 0; @@ -129,6 +125,22 @@ int hci_uart_tx_wakeup(struct hci_uart *hu) BT_DBG(""); + schedule_work(&hu->write_work); + + return 0; +} + +static void hci_uart_write_work(struct work_struct *work) +{ + struct hci_uart *hu = container_of(work, struct hci_uart, write_work); + struct tty_struct *tty = hu->tty; + struct hci_dev *hdev = hu->hdev; + struct sk_buff *skb; + + /* REVISIT: should we cope with bad skbs or ->write() returning + * and error value ? + */ + restart: clear_bit(HCI_UART_TX_WAKEUP, &hu->tx_state); @@ -153,7 +165,6 @@ restart: goto restart; clear_bit(HCI_UART_SENDING, &hu->tx_state); - return 0; } static void hci_uart_init_work(struct work_struct *work) @@ -281,6 +292,7 @@ static int hci_uart_tty_open(struct tty_struct *tty) tty->receive_room = 65536; INIT_WORK(&hu->init_ready, hci_uart_init_work); + INIT_WORK(&hu->write_work, hci_uart_write_work); spin_lock_init(&hu->rx_lock); @@ -318,6 +330,8 @@ static void hci_uart_tty_close(struct tty_struct *tty) if (hdev) hci_uart_close(hdev); + cancel_work_sync(&hu->write_work); + if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) { if (hdev) { if (test_bit(HCI_UART_REGISTERED, &hu->flags)) diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index fffa61ff5cb1..12df101ca942 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -68,6 +68,7 @@ struct hci_uart { unsigned long hdev_flags; struct work_struct init_ready; + struct work_struct write_work; struct hci_uart_proto *proto; void *priv; diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c index 725c46162bbd..372ae72cce34 100644 --- a/drivers/bus/mvebu-mbus.c +++ b/drivers/bus/mvebu-mbus.c @@ -222,12 +222,6 @@ static int mvebu_mbus_window_conflicts(struct mvebu_mbus_state *mbus, */ if ((u64)base < wend && end > wbase) return 0; - - /* - * Check if target/attribute conflicts - */ - if (target == wtarget && attr == wattr) - return 0; } return 1; diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c index 974321a2508d..14790304b84b 100644 --- a/drivers/char/applicom.c +++ b/drivers/char/applicom.c @@ -345,7 +345,6 @@ out: free_irq(apbs[i].irq, &dummy); iounmap(apbs[i].RamIO); } - pci_disable_device(dev); return ret; } diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index 6a4bdc18955a..8c25f596808a 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -251,8 +251,9 @@ static inline int check_obf(struct si_sm_data *kcs, unsigned char status, if (!GET_STATUS_OBF(status)) { kcs->obf_timeout -= time; if (kcs->obf_timeout < 0) { - start_error_recovery(kcs, "OBF not ready in time"); - return 1; + kcs->obf_timeout = OBF_RETRY_TIMEOUT; + start_error_recovery(kcs, "OBF not ready in time"); + return 1; } return 0; } diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 03f41896d090..8b4fa2c4e661 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -249,6 +249,9 @@ struct smi_info { /* The timer for this si. */ struct timer_list si_timer; + /* This flag is set, if the timer is running (timer_pending() isn't enough) */ + bool timer_running; + /* The time (in jiffies) the last timeout occurred at. */ unsigned long last_timeout_jiffies; @@ -435,6 +438,13 @@ static void start_clear_flags(struct smi_info *smi_info) smi_info->si_state = SI_CLEARING_FLAGS; } +static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) +{ + smi_info->last_timeout_jiffies = jiffies; + mod_timer(&smi_info->si_timer, new_val); + smi_info->timer_running = true; +} + /* * When we have a situtaion where we run out of memory and cannot * allocate messages, we just leave them in the BMC and run the system @@ -447,8 +457,7 @@ static inline void disable_si_irq(struct smi_info *smi_info) start_disable_irq(smi_info); smi_info->interrupt_disabled = 1; if (!atomic_read(&smi_info->stop_operation)) - mod_timer(&smi_info->si_timer, - jiffies + SI_TIMEOUT_JIFFIES); + smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES); } } @@ -908,15 +917,7 @@ static void sender(void *send_info, list_add_tail(&msg->link, &smi_info->xmit_msgs); if (smi_info->si_state == SI_NORMAL && smi_info->curr_msg == NULL) { - /* - * last_timeout_jiffies is updated here to avoid - * smi_timeout() handler passing very large time_diff - * value to smi_event_handler() that causes - * the send command to abort. - */ - smi_info->last_timeout_jiffies = jiffies; - - mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES); + smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES); if (smi_info->thread) wake_up_process(smi_info->thread); @@ -1005,6 +1006,17 @@ static int ipmi_thread(void *data) spin_lock_irqsave(&(smi_info->si_lock), flags); smi_result = smi_event_handler(smi_info, 0); + + /* + * If the driver is doing something, there is a possible + * race with the timer. If the timer handler see idle, + * and the thread here sees something else, the timer + * handler won't restart the timer even though it is + * required. So start it here if necessary. + */ + if (smi_result != SI_SM_IDLE && !smi_info->timer_running) + smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES); + spin_unlock_irqrestore(&(smi_info->si_lock), flags); busy_wait = ipmi_thread_busy_wait(smi_result, smi_info, &busy_until); @@ -1074,10 +1086,6 @@ static void smi_timeout(unsigned long data) * SI_USEC_PER_JIFFY); smi_result = smi_event_handler(smi_info, time_diff); - spin_unlock_irqrestore(&(smi_info->si_lock), flags); - - smi_info->last_timeout_jiffies = jiffies_now; - if ((smi_info->irq) && (!smi_info->interrupt_disabled)) { /* Running with interrupts, only do long timeouts. */ timeout = jiffies + SI_TIMEOUT_JIFFIES; @@ -1099,7 +1107,10 @@ static void smi_timeout(unsigned long data) do_mod_timer: if (smi_result != SI_SM_IDLE) - mod_timer(&(smi_info->si_timer), timeout); + smi_mod_timer(smi_info, timeout); + else + smi_info->timer_running = false; + spin_unlock_irqrestore(&(smi_info->si_lock), flags); } static irqreturn_t si_irq_handler(int irq, void *data) @@ -1147,8 +1158,7 @@ static int smi_start_processing(void *send_info, /* Set up the timer that drives the interface. */ setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi); - new_smi->last_timeout_jiffies = jiffies; - mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES); + smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES); /* * Check if the user forcefully enabled the daemon. diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index b3ea223585bd..61dcc8011ec7 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -328,13 +328,11 @@ int tpm_add_ppi(struct kobject *parent) /* Cache TPM ACPI handle and version string */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, ppi_callback, NULL, NULL, &tpm_ppi_handle); - if (tpm_ppi_handle == NULL) - return -ENODEV; - - return sysfs_create_group(parent, &ppi_attr_grp); + return tpm_ppi_handle ? sysfs_create_group(parent, &ppi_attr_grp) : 0; } void tpm_remove_ppi(struct kobject *parent) { - sysfs_remove_group(parent, &ppi_attr_grp); + if (tpm_ppi_handle) + sysfs_remove_group(parent, &ppi_attr_grp); } diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index c42e608af6bb..b94a311e5ab6 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1977,9 +1977,28 @@ struct clk *__clk_register(struct device *dev, struct clk_hw *hw) } EXPORT_SYMBOL_GPL(__clk_register); -static int _clk_register(struct device *dev, struct clk_hw *hw, struct clk *clk) +/** + * clk_register - allocate a new clock, register it and return an opaque cookie + * @dev: device that is registering this clock + * @hw: link to hardware-specific clock data + * + * clk_register is the primary interface for populating the clock tree with new + * clock nodes. It returns a pointer to the newly allocated struct clk which + * cannot be dereferenced by driver code but may be used in conjuction with the + * rest of the clock API. In the event of an error clk_register will return an + * error code; drivers must test for an error code after calling clk_register. + */ +struct clk *clk_register(struct device *dev, struct clk_hw *hw) { int i, ret; + struct clk *clk; + + clk = kzalloc(sizeof(*clk), GFP_KERNEL); + if (!clk) { + pr_err("%s: could not allocate clk\n", __func__); + ret = -ENOMEM; + goto fail_out; + } clk->name = kstrdup(hw->init->name, GFP_KERNEL); if (!clk->name) { @@ -2019,7 +2038,7 @@ static int _clk_register(struct device *dev, struct clk_hw *hw, struct clk *clk) ret = __clk_init(dev, clk); if (!ret) - return 0; + return clk; fail_parent_names_copy: while (--i >= 0) @@ -2028,36 +2047,6 @@ fail_parent_names_copy: fail_parent_names: kfree(clk->name); fail_name: - return ret; -} - -/** - * clk_register - allocate a new clock, register it and return an opaque cookie - * @dev: device that is registering this clock - * @hw: link to hardware-specific clock data - * - * clk_register is the primary interface for populating the clock tree with new - * clock nodes. It returns a pointer to the newly allocated struct clk which - * cannot be dereferenced by driver code but may be used in conjuction with the - * rest of the clock API. In the event of an error clk_register will return an - * error code; drivers must test for an error code after calling clk_register. - */ -struct clk *clk_register(struct device *dev, struct clk_hw *hw) -{ - int ret; - struct clk *clk; - - clk = kzalloc(sizeof(*clk), GFP_KERNEL); - if (!clk) { - pr_err("%s: could not allocate clk\n", __func__); - ret = -ENOMEM; - goto fail_out; - } - - ret = _clk_register(dev, hw, clk); - if (!ret) - return clk; - kfree(clk); fail_out: return ERR_PTR(ret); @@ -2144,9 +2133,10 @@ void clk_unregister(struct clk *clk) if (!hlist_empty(&clk->children)) { struct clk *child; + struct hlist_node *t; /* Reparent all children to the orphan list. */ - hlist_for_each_entry(child, &clk->children, child_node) + hlist_for_each_entry_safe(child, t, &clk->children, child_node) clk_set_parent(child, NULL); } @@ -2166,7 +2156,7 @@ EXPORT_SYMBOL_GPL(clk_unregister); static void devm_clk_release(struct device *dev, void *res) { - clk_unregister(res); + clk_unregister(*(struct clk **)res); } /** @@ -2181,18 +2171,18 @@ static void devm_clk_release(struct device *dev, void *res) struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw) { struct clk *clk; - int ret; + struct clk **clkp; - clk = devres_alloc(devm_clk_release, sizeof(*clk), GFP_KERNEL); - if (!clk) + clkp = devres_alloc(devm_clk_release, sizeof(*clkp), GFP_KERNEL); + if (!clkp) return ERR_PTR(-ENOMEM); - ret = _clk_register(dev, hw, clk); - if (!ret) { - devres_add(dev, clk); + clk = clk_register(dev, hw); + if (!IS_ERR(clk)) { + *clkp = clk; + devres_add(dev, clkp); } else { - devres_free(clk); - clk = ERR_PTR(ret); + devres_free(clkp); } return clk; diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c index 00f878a04d3f..0996a3a39855 100644 --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -55,7 +55,7 @@ static int clk_rcg2_is_enabled(struct clk_hw *hw) if (ret) return ret; - return (cmd & CMD_ROOT_OFF) != 0; + return (cmd & CMD_ROOT_OFF) == 0; } static u8 clk_rcg2_get_parent(struct clk_hw *hw) diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c index c95774514b81..6a0ae77d1939 100644 --- a/drivers/clk/qcom/mmcc-msm8974.c +++ b/drivers/clk/qcom/mmcc-msm8974.c @@ -169,6 +169,7 @@ static struct clk_pll mmpll0 = { .config_reg = 0x0014, .mode_reg = 0x0000, .status_reg = 0x001c, + .status_bit = 17, .clkr.hw.init = &(struct clk_init_data){ .name = "mmpll0", .parent_names = (const char *[]){ "xo" }, @@ -192,9 +193,10 @@ static struct clk_pll mmpll1 = { .l_reg = 0x0044, .m_reg = 0x0048, .n_reg = 0x004c, - .config_reg = 0x0054, + .config_reg = 0x0050, .mode_reg = 0x0040, .status_reg = 0x005c, + .status_bit = 17, .clkr.hw.init = &(struct clk_init_data){ .name = "mmpll1", .parent_names = (const char *[]){ "xo" }, @@ -218,7 +220,7 @@ static struct clk_pll mmpll2 = { .l_reg = 0x4104, .m_reg = 0x4108, .n_reg = 0x410c, - .config_reg = 0x4114, + .config_reg = 0x4110, .mode_reg = 0x4100, .status_reg = 0x411c, .clkr.hw.init = &(struct clk_init_data){ @@ -233,9 +235,10 @@ static struct clk_pll mmpll3 = { .l_reg = 0x0084, .m_reg = 0x0088, .n_reg = 0x008c, - .config_reg = 0x0094, + .config_reg = 0x0090, .mode_reg = 0x0080, .status_reg = 0x009c, + .status_bit = 17, .clkr.hw.init = &(struct clk_init_data){ .name = "mmpll3", .parent_names = (const char *[]){ "xo" }, @@ -2318,7 +2321,7 @@ static const struct pll_config mmpll1_config = { .vco_val = 0x0, .vco_mask = 0x3 << 20, .pre_div_val = 0x0, - .pre_div_mask = 0x3 << 12, + .pre_div_mask = 0x7 << 12, .post_div_val = 0x0, .post_div_mask = 0x3 << 8, .mn_ena_mask = BIT(24), @@ -2332,7 +2335,7 @@ static struct pll_config mmpll3_config = { .vco_val = 0x0, .vco_mask = 0x3 << 20, .pre_div_val = 0x0, - .pre_div_mask = 0x3 << 12, + .pre_div_mask = 0x7 << 12, .post_div_val = 0x0, .post_div_mask = 0x3 << 8, .mn_ena_mask = BIT(24), diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 0d20241e0770..e1769addf435 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -1718,7 +1718,7 @@ struct clk *tegra_clk_register_plle_tegra114(const char *name, "pll_re_vco"); } else { val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL); - pll_writel(val, pll_params->aux_reg, pll); + pll_writel(val_aux, pll_params->aux_reg, pll); } clk = _tegra_clk_register_pll(pll, name, parent_name, flags, diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c index 2dc8b41a339d..a535c7bf8574 100644 --- a/drivers/clk/versatile/clk-vexpress-osc.c +++ b/drivers/clk/versatile/clk-vexpress-osc.c @@ -102,7 +102,7 @@ void __init vexpress_osc_of_setup(struct device_node *node) osc = kzalloc(sizeof(*osc), GFP_KERNEL); if (!osc) - goto error; + return; osc->func = vexpress_config_func_get_by_node(node); if (!osc->func) { diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 2e37c923c140..71cd1967c54f 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -418,8 +418,6 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt) evt->set_mode = exynos4_tick_set_mode; evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; evt->rating = 450; - clockevents_config_and_register(evt, clk_rate / (TICK_BASE_CNT + 1), - 0xf, 0x7fffffff); exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET); @@ -432,9 +430,12 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt) evt->irq); return -EIO; } + irq_force_affinity(mct_irqs[MCT_L0_IRQ + cpu], cpumask_of(cpu)); } else { enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0); } + clockevents_config_and_register(evt, clk_rate / (TICK_BASE_CNT + 1), + 0xf, 0x7fffffff); return 0; } @@ -452,7 +453,6 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { struct mct_clock_event_device *mevt; - unsigned int cpu; /* * Grab cpu pointer in each case to avoid spurious @@ -463,12 +463,6 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self, mevt = this_cpu_ptr(&percpu_mct_tick); exynos4_local_timer_setup(&mevt->evt); break; - case CPU_ONLINE: - cpu = (unsigned long)hcpu; - if (mct_int_type == MCT_INT_SPI) - irq_set_affinity(mct_irqs[MCT_L0_IRQ + cpu], - cpumask_of(cpu)); - break; case CPU_DYING: mevt = this_cpu_ptr(&percpu_mct_tick); exynos4_local_timer_stop(&mevt->evt); diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index 18c5b9b16645..3165811e2407 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -369,7 +369,7 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg, return; /* Can only change if privileged. */ - if (!capable(CAP_NET_ADMIN)) { + if (!__netlink_ns_capable(nsp, &init_user_ns, CAP_NET_ADMIN)) { err = EPERM; goto out; } diff --git a/drivers/cpufreq/at32ap-cpufreq.c b/drivers/cpufreq/at32ap-cpufreq.c index a1c79f549edb..7b612c8bb09e 100644 --- a/drivers/cpufreq/at32ap-cpufreq.c +++ b/drivers/cpufreq/at32ap-cpufreq.c @@ -52,7 +52,7 @@ static int at32_set_target(struct cpufreq_policy *policy, unsigned int index) static int at32_cpufreq_driver_init(struct cpufreq_policy *policy) { unsigned int frequency, rate, min_freq; - static struct clk *cpuclk; + struct clk *cpuclk; int retval, steps, i; if (policy->cpu != 0) diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 0c12ffc0ebcb..51322856f908 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -131,7 +131,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) return -ENOENT; } - cpu_reg = devm_regulator_get_optional(cpu_dev, "cpu0"); + cpu_reg = regulator_get_optional(cpu_dev, "cpu0"); if (IS_ERR(cpu_reg)) { /* * If cpu0 regulator supply node is present, but regulator is @@ -146,23 +146,23 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) PTR_ERR(cpu_reg)); } - cpu_clk = devm_clk_get(cpu_dev, NULL); + cpu_clk = clk_get(cpu_dev, NULL); if (IS_ERR(cpu_clk)) { ret = PTR_ERR(cpu_clk); pr_err("failed to get cpu0 clock: %d\n", ret); - goto out_put_node; + goto out_put_reg; } ret = of_init_opp_table(cpu_dev); if (ret) { pr_err("failed to init OPP table: %d\n", ret); - goto out_put_node; + goto out_put_clk; } ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table); if (ret) { pr_err("failed to init cpufreq table: %d\n", ret); - goto out_put_node; + goto out_put_clk; } of_property_read_u32(np, "voltage-tolerance", &voltage_tolerance); @@ -217,6 +217,12 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) out_free_table: dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table); +out_put_clk: + if (!IS_ERR(cpu_clk)) + clk_put(cpu_clk); +out_put_reg: + if (!IS_ERR(cpu_reg)) + regulator_put(cpu_reg); out_put_node: of_node_put(np); return ret; diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index ba43991ba98a..e1c6433b16e0 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -366,6 +366,11 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, break; case CPUFREQ_GOV_LIMITS: + mutex_lock(&dbs_data->mutex); + if (!cpu_cdbs->cur_policy) { + mutex_unlock(&dbs_data->mutex); + break; + } mutex_lock(&cpu_cdbs->timer_mutex); if (policy->max < cpu_cdbs->cur_policy->cur) __cpufreq_driver_target(cpu_cdbs->cur_policy, @@ -375,6 +380,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, policy->min, CPUFREQ_RELATION_L); dbs_check_cpu(dbs_data, cpu); mutex_unlock(&cpu_cdbs->timer_mutex); + mutex_unlock(&dbs_data->mutex); break; } return 0; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 2cd36b9297f3..6d98c37c87ad 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -37,12 +37,13 @@ #define BYT_RATIOS 0x66a #define BYT_VIDS 0x66b #define BYT_TURBO_RATIOS 0x66c +#define BYT_TURBO_VIDS 0x66d -#define FRAC_BITS 6 +#define FRAC_BITS 8 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS) #define fp_toint(X) ((X) >> FRAC_BITS) -#define FP_ROUNDUP(X) ((X) += 1 << FRAC_BITS) + static inline int32_t mul_fp(int32_t x, int32_t y) { @@ -58,8 +59,8 @@ struct sample { int32_t core_pct_busy; u64 aperf; u64 mperf; - unsigned long long tsc; int freq; + ktime_t time; }; struct pstate_data { @@ -70,8 +71,9 @@ struct pstate_data { }; struct vid_data { - int32_t min; - int32_t max; + int min; + int max; + int turbo; int32_t ratio; }; @@ -96,11 +98,10 @@ struct cpudata { struct vid_data vid; struct _pid pid; + ktime_t last_sample_time; u64 prev_aperf; u64 prev_mperf; - unsigned long long prev_tsc; - int sample_ptr; - struct sample samples[SAMPLE_COUNT]; + struct sample sample; }; static struct cpudata **all_cpu_data; @@ -199,7 +200,7 @@ static signed int pid_calc(struct _pid *pid, int32_t busy) pid->last_err = fp_error; result = pterm + mul_fp(pid->integral, pid->i_gain) + dterm; - + result = result + (1 << (FRAC_BITS-1)); return (signed int)fp_toint(result); } @@ -360,14 +361,14 @@ static int byt_get_min_pstate(void) { u64 value; rdmsrl(BYT_RATIOS, value); - return (value >> 8) & 0xFF; + return (value >> 8) & 0x3F; } static int byt_get_max_pstate(void) { u64 value; rdmsrl(BYT_RATIOS, value); - return (value >> 16) & 0xFF; + return (value >> 16) & 0x3F; } static int byt_get_turbo_pstate(void) @@ -394,6 +395,9 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) vid_fp = clamp_t(int32_t, vid_fp, cpudata->vid.min, cpudata->vid.max); vid = fp_toint(vid_fp); + if (pstate > cpudata->pstate.max_pstate) + vid = cpudata->vid.turbo; + val |= vid; wrmsrl(MSR_IA32_PERF_CTL, val); @@ -403,13 +407,17 @@ static void byt_get_vid(struct cpudata *cpudata) { u64 value; + rdmsrl(BYT_VIDS, value); - cpudata->vid.min = int_tofp((value >> 8) & 0x7f); - cpudata->vid.max = int_tofp((value >> 16) & 0x7f); + cpudata->vid.min = int_tofp((value >> 8) & 0x3f); + cpudata->vid.max = int_tofp((value >> 16) & 0x3f); cpudata->vid.ratio = div_fp( cpudata->vid.max - cpudata->vid.min, int_tofp(cpudata->pstate.max_pstate - cpudata->pstate.min_pstate)); + + rdmsrl(BYT_TURBO_VIDS, value); + cpudata->vid.turbo = value & 0x7f; } @@ -546,59 +554,48 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) if (pstate_funcs.get_vid) pstate_funcs.get_vid(cpu); - - /* - * goto max pstate so we don't slow up boot if we are built-in if we are - * a module we will take care of it during normal operation - */ - intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate); + intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); } static inline void intel_pstate_calc_busy(struct cpudata *cpu, struct sample *sample) { - int32_t core_pct; - int32_t c0_pct; + int64_t core_pct; + int32_t rem; - core_pct = div_fp(int_tofp((sample->aperf)), - int_tofp((sample->mperf))); - core_pct = mul_fp(core_pct, int_tofp(100)); - FP_ROUNDUP(core_pct); + core_pct = int_tofp(sample->aperf) * int_tofp(100); + core_pct = div_u64_rem(core_pct, int_tofp(sample->mperf), &rem); - c0_pct = div_fp(int_tofp(sample->mperf), int_tofp(sample->tsc)); + if ((rem << 1) >= int_tofp(sample->mperf)) + core_pct += 1; sample->freq = fp_toint( mul_fp(int_tofp(cpu->pstate.max_pstate * 1000), core_pct)); - sample->core_pct_busy = mul_fp(core_pct, c0_pct); + sample->core_pct_busy = (int32_t)core_pct; } static inline void intel_pstate_sample(struct cpudata *cpu) { u64 aperf, mperf; - unsigned long long tsc; rdmsrl(MSR_IA32_APERF, aperf); rdmsrl(MSR_IA32_MPERF, mperf); - tsc = native_read_tsc(); aperf = aperf >> FRAC_BITS; mperf = mperf >> FRAC_BITS; - tsc = tsc >> FRAC_BITS; - cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT; - cpu->samples[cpu->sample_ptr].aperf = aperf; - cpu->samples[cpu->sample_ptr].mperf = mperf; - cpu->samples[cpu->sample_ptr].tsc = tsc; - cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf; - cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf; - cpu->samples[cpu->sample_ptr].tsc -= cpu->prev_tsc; + cpu->last_sample_time = cpu->sample.time; + cpu->sample.time = ktime_get(); + cpu->sample.aperf = aperf; + cpu->sample.mperf = mperf; + cpu->sample.aperf -= cpu->prev_aperf; + cpu->sample.mperf -= cpu->prev_mperf; - intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]); + intel_pstate_calc_busy(cpu, &cpu->sample); cpu->prev_aperf = aperf; cpu->prev_mperf = mperf; - cpu->prev_tsc = tsc; } static inline void intel_pstate_set_sample_time(struct cpudata *cpu) @@ -612,13 +609,25 @@ static inline void intel_pstate_set_sample_time(struct cpudata *cpu) static inline int32_t intel_pstate_get_scaled_busy(struct cpudata *cpu) { - int32_t core_busy, max_pstate, current_pstate; + int32_t core_busy, max_pstate, current_pstate, sample_ratio; + u32 duration_us; + u32 sample_time; - core_busy = cpu->samples[cpu->sample_ptr].core_pct_busy; + core_busy = cpu->sample.core_pct_busy; max_pstate = int_tofp(cpu->pstate.max_pstate); current_pstate = int_tofp(cpu->pstate.current_pstate); core_busy = mul_fp(core_busy, div_fp(max_pstate, current_pstate)); - return FP_ROUNDUP(core_busy); + + sample_time = (pid_params.sample_rate_ms * USEC_PER_MSEC); + duration_us = (u32) ktime_us_delta(cpu->sample.time, + cpu->last_sample_time); + if (duration_us > sample_time * 3) { + sample_ratio = div_fp(int_tofp(sample_time), + int_tofp(duration_us)); + core_busy = mul_fp(core_busy, sample_ratio); + } + + return core_busy; } static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu) @@ -648,7 +657,7 @@ static void intel_pstate_timer_func(unsigned long __data) intel_pstate_sample(cpu); - sample = &cpu->samples[cpu->sample_ptr]; + sample = &cpu->sample; intel_pstate_adjust_busy_pstate(cpu); @@ -697,11 +706,6 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; intel_pstate_get_cpu_pstates(cpu); - if (!cpu->pstate.current_pstate) { - all_cpu_data[cpunum] = NULL; - kfree(cpu); - return -ENODATA; - } cpu->cpu = cpunum; @@ -712,7 +716,6 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu->timer.expires = jiffies + HZ/100; intel_pstate_busy_pid_reset(cpu); intel_pstate_sample(cpu); - intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate); add_timer_on(&cpu->timer, cpunum); @@ -729,7 +732,7 @@ static unsigned int intel_pstate_get(unsigned int cpu_num) cpu = all_cpu_data[cpu_num]; if (!cpu) return 0; - sample = &cpu->samples[cpu->sample_ptr]; + sample = &cpu->sample; return sample->freq; } diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index b6581abc9207..7231967f51b4 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -62,14 +62,14 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy, set_cpus_allowed_ptr(current, &cpus_allowed); /* setting the cpu frequency */ - clk_set_rate(policy->clk, freq); + clk_set_rate(policy->clk, freq * 1000); return 0; } static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) { - static struct clk *cpuclk; + struct clk *cpuclk; int i; unsigned long rate; int ret; @@ -92,7 +92,7 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) i++) loongson2_clockmod_table[i].frequency = (rate * i) / 8; - ret = clk_set_rate(cpuclk, rate); + ret = clk_set_rate(cpuclk, rate * 1000); if (ret) { clk_put(cpuclk); return ret; diff --git a/drivers/cpufreq/unicore2-cpufreq.c b/drivers/cpufreq/unicore2-cpufreq.c index 36cc330b8747..99d280d6f370 100644 --- a/drivers/cpufreq/unicore2-cpufreq.c +++ b/drivers/cpufreq/unicore2-cpufreq.c @@ -45,7 +45,7 @@ static int ucv2_target(struct cpufreq_policy *policy, freqs.new = target_freq; cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - ret = clk_set_rate(policy->mclk, target_freq * 1000); + ret = clk_set_rate(policy->clk, target_freq * 1000); cpufreq_notify_post_transition(policy, &freqs, ret); return ret; diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c index 9f25f5296029..0eabd81e1a90 100644 --- a/drivers/crypto/caam/error.c +++ b/drivers/crypto/caam/error.c @@ -16,9 +16,13 @@ char *tmp; \ \ tmp = kmalloc(sizeof(format) + max_alloc, GFP_ATOMIC); \ - sprintf(tmp, format, param); \ - strcat(str, tmp); \ - kfree(tmp); \ + if (likely(tmp)) { \ + sprintf(tmp, format, param); \ + strcat(str, tmp); \ + kfree(tmp); \ + } else { \ + strcat(str, "kmalloc failure in SPRINTFCAT"); \ + } \ } static void report_jump_idx(u32 status, char *outstr) diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index ed610b497518..a4068e2d2b5d 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -1014,6 +1014,7 @@ static void dmaengine_unmap(struct kref *kref) dma_unmap_page(dev, unmap->addr[i], unmap->len, DMA_BIDIRECTIONAL); } + cnt = unmap->map_cnt; mempool_free(unmap, __get_unmap_pool(cnt)->pool); } @@ -1079,6 +1080,7 @@ dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags) memset(unmap, 0, sizeof(*unmap)); kref_init(&unmap->kref); unmap->dev = dev; + unmap->map_cnt = nr; return unmap; } diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 13ac3f240e79..01a200cd0189 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1545,11 +1545,6 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) /* Disable BLOCK interrupts as well */ channel_clear_bit(dw, MASK.BLOCK, dw->all_chan_mask); - err = devm_request_irq(chip->dev, chip->irq, dw_dma_interrupt, - IRQF_SHARED, "dw_dmac", dw); - if (err) - return err; - /* Create a pool of consistent memory blocks for hardware descriptors */ dw->desc_pool = dmam_pool_create("dw_dmac_desc_pool", chip->dev, sizeof(struct dw_desc), 4, 0); @@ -1560,6 +1555,11 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) tasklet_init(&dw->tasklet, dw_dma_tasklet, (unsigned long)dw); + err = request_irq(chip->irq, dw_dma_interrupt, IRQF_SHARED, + "dw_dmac", dw); + if (err) + return err; + INIT_LIST_HEAD(&dw->dma.channels); for (i = 0; i < nr_channels; i++) { struct dw_dma_chan *dwc = &dw->chan[i]; @@ -1664,6 +1664,7 @@ int dw_dma_remove(struct dw_dma_chip *chip) dw_dma_off(dw); dma_async_device_unregister(&dw->dma); + free_irq(chip->irq, dw); tasklet_kill(&dw->tasklet); list_for_each_entry_safe(dwc, _dwc, &dw->dma.channels, diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index cd8da451d199..bf5ad0f5a77a 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -182,11 +182,13 @@ static void edma_execute(struct edma_chan *echan) echan->ecc->dummy_slot); } - edma_resume(echan->ch_num); - if (edesc->processed <= MAX_NR_SG) { dev_dbg(dev, "first transfer starting %d\n", echan->ch_num); edma_start(echan->ch_num); + } else { + dev_dbg(dev, "chan: %d: completed %d elements, resuming\n", + echan->ch_num, edesc->processed); + edma_resume(echan->ch_num); } /* diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 766b68ed505c..394cbc5c93e3 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -191,12 +191,10 @@ static void mv_set_mode(struct mv_xor_chan *chan, static void mv_chan_activate(struct mv_xor_chan *chan) { - u32 activation; - dev_dbg(mv_chan_to_devp(chan), " activate chan.\n"); - activation = readl_relaxed(XOR_ACTIVATION(chan)); - activation |= 0x1; - writel_relaxed(activation, XOR_ACTIVATION(chan)); + + /* writel ensures all descriptors are flushed before activation */ + writel(BIT(0), XOR_ACTIVATION(chan)); } static char mv_chan_is_busy(struct mv_xor_chan *chan) diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c index 3846941801b8..5c948c9625d2 100644 --- a/drivers/extcon/extcon-max14577.c +++ b/drivers/extcon/extcon-max14577.c @@ -650,7 +650,7 @@ static int max14577_muic_probe(struct platform_device *pdev) unsigned int virq = 0; virq = regmap_irq_get_virq(max14577->irq_data, muic_irq->irq); - if (!virq) + if (virq <= 0) return -EINVAL; muic_irq->virq = virq; @@ -710,13 +710,8 @@ static int max14577_muic_probe(struct platform_device *pdev) * driver should notify cable state to upper layer. */ INIT_DELAYED_WORK(&info->wq_detcable, max14577_muic_detect_cable_wq); - ret = queue_delayed_work(system_power_efficient_wq, &info->wq_detcable, + queue_delayed_work(system_power_efficient_wq, &info->wq_detcable, delay_jiffies); - if (ret < 0) { - dev_err(&pdev->dev, - "failed to schedule delayed work for cable detect\n"); - goto err_extcon; - } return ret; diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index da268fbc901b..4657a91acf56 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -1193,7 +1193,7 @@ static int max77693_muic_probe(struct platform_device *pdev) /* Initialize MUIC register by using platform data or default data */ - if (pdata->muic_data) { + if (pdata && pdata->muic_data) { init_data = pdata->muic_data->init_data; num_init_data = pdata->muic_data->num_init_data; } else { @@ -1226,7 +1226,7 @@ static int max77693_muic_probe(struct platform_device *pdev) = init_data[i].data; } - if (pdata->muic_data) { + if (pdata && pdata->muic_data) { struct max77693_muic_platform_data *muic_pdata = pdata->muic_data; diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index 6a00464658c5..5e1b88cecb76 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -715,7 +715,7 @@ static int max8997_muic_probe(struct platform_device *pdev) goto err_irq; } - if (pdata->muic_pdata) { + if (pdata && pdata->muic_pdata) { struct max8997_muic_platform_data *muic_pdata = pdata->muic_pdata; diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h index c98764aeeec6..f477308b6e9c 100644 --- a/drivers/firewire/core.h +++ b/drivers/firewire/core.h @@ -237,8 +237,8 @@ static inline bool is_next_generation(int new_generation, int old_generation) #define LOCAL_BUS 0xffc0 -/* arbitrarily chosen maximum range for physical DMA: 128 TB */ -#define FW_MAX_PHYSICAL_RANGE (128ULL << 40) +/* OHCI-1394's default upper bound for physical DMA: 4 GB */ +#define FW_MAX_PHYSICAL_RANGE (1ULL << 32) void fw_core_handle_request(struct fw_card *card, struct fw_packet *request); void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet); diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 8db663219560..586f2f7f6993 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3716,7 +3716,7 @@ static int pci_probe(struct pci_dev *dev, version >> 16, version & 0xff, ohci->card.index, ohci->n_ir, ohci->n_it, ohci->quirks, reg_read(ohci, OHCI1394_PhyUpperBound) ? - ", >4 GB phys DMA" : ""); + ", physUB" : ""); return 0; diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index 4b9dc836dcf9..e992abc5ef26 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -40,7 +40,7 @@ struct pstore_read_data { static inline u64 generic_id(unsigned long timestamp, unsigned int part, int count) { - return (timestamp * 100 + part) * 1000 + count; + return ((u64) timestamp * 100 + part) * 1000 + count; } static int efi_pstore_read_func(struct efivar_entry *entry, void *data) diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 1ac288ea810d..aa379971d703 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -895,8 +895,11 @@ static int mcp23s08_probe(struct spi_device *spi) return -ENODEV; } - for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) + for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) { pullups[addr] = 0; + if (spi_present_mask & (1 << addr)) + chips++; + } } else { type = spi_get_device_id(spi)->driver_data; pdata = dev_get_platdata(&spi->dev); @@ -919,12 +922,12 @@ static int mcp23s08_probe(struct spi_device *spi) pullups[addr] = pdata->chip[addr].pullups; } - if (!chips) - return -ENODEV; - base = pdata->base; } + if (!chips) + return -ENODEV; + data = kzalloc(sizeof *data + chips * sizeof(struct mcp23s08), GFP_KERNEL); if (!data) diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index 532bcb336eff..8ffdd7d2bade 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -214,7 +214,8 @@ static void __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base) ct->regs.ack = PINCTRL_IRQSTAT(port) + MXS_CLR; ct->regs.mask = PINCTRL_IRQEN(port); - irq_setup_generic_chip(gc, IRQ_MSK(32), 0, IRQ_NOREQUEST, 0); + irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK, + IRQ_NOREQUEST, 0); } static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset) diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h index 741965c001a6..460820551b09 100644 --- a/drivers/gpu/drm/bochs/bochs.h +++ b/drivers/gpu/drm/bochs/bochs.h @@ -1,5 +1,6 @@ #include <linux/io.h> #include <linux/fb.h> +#include <linux/console.h> #include <drm/drmP.h> #include <drm/drm_crtc.h> diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index 395bba261c9a..9c13df29fd20 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -95,6 +95,49 @@ static struct drm_driver bochs_driver = { }; /* ---------------------------------------------------------------------- */ +/* pm interface */ + +static int bochs_pm_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct bochs_device *bochs = drm_dev->dev_private; + + drm_kms_helper_poll_disable(drm_dev); + + if (bochs->fb.initialized) { + console_lock(); + fb_set_suspend(bochs->fb.helper.fbdev, 1); + console_unlock(); + } + + return 0; +} + +static int bochs_pm_resume(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct bochs_device *bochs = drm_dev->dev_private; + + drm_helper_resume_force_mode(drm_dev); + + if (bochs->fb.initialized) { + console_lock(); + fb_set_suspend(bochs->fb.helper.fbdev, 0); + console_unlock(); + } + + drm_kms_helper_poll_enable(drm_dev); + return 0; +} + +static const struct dev_pm_ops bochs_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(bochs_pm_suspend, + bochs_pm_resume) +}; + +/* ---------------------------------------------------------------------- */ /* pci interface */ static int bochs_kick_out_firmware_fb(struct pci_dev *pdev) @@ -155,6 +198,7 @@ static struct pci_driver bochs_pci_driver = { .id_table = bochs_pci_tbl, .probe = bochs_pci_probe, .remove = bochs_pci_remove, + .driver.pm = &bochs_pm_ops, }; /* ---------------------------------------------------------------------- */ diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index 953fc8aea69c..08ce520f61a5 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/console.h> #include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> #include "cirrus_drv.h" @@ -75,6 +76,41 @@ static void cirrus_pci_remove(struct pci_dev *pdev) drm_put_dev(dev); } +static int cirrus_pm_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct cirrus_device *cdev = drm_dev->dev_private; + + drm_kms_helper_poll_disable(drm_dev); + + if (cdev->mode_info.gfbdev) { + console_lock(); + fb_set_suspend(cdev->mode_info.gfbdev->helper.fbdev, 1); + console_unlock(); + } + + return 0; +} + +static int cirrus_pm_resume(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct cirrus_device *cdev = drm_dev->dev_private; + + drm_helper_resume_force_mode(drm_dev); + + if (cdev->mode_info.gfbdev) { + console_lock(); + fb_set_suspend(cdev->mode_info.gfbdev->helper.fbdev, 0); + console_unlock(); + } + + drm_kms_helper_poll_enable(drm_dev); + return 0; +} + static const struct file_operations cirrus_driver_fops = { .owner = THIS_MODULE, .open = drm_open, @@ -103,11 +139,17 @@ static struct drm_driver driver = { .dumb_destroy = drm_gem_dumb_destroy, }; +static const struct dev_pm_ops cirrus_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(cirrus_pm_suspend, + cirrus_pm_resume) +}; + static struct pci_driver cirrus_pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, .probe = cirrus_pci_probe, .remove = cirrus_pci_remove, + .driver.pm = &cirrus_pm_ops, }; static int __init cirrus_init(void) diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 530f78f84dee..e9c89df482b5 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -308,6 +308,9 @@ static int cirrus_crtc_mode_set(struct drm_crtc *crtc, WREG_HDR(hdr); cirrus_crtc_do_set_base(crtc, old_fb, x, y, 0); + + /* Unblank (needed on S3 resume, vgabios doesn't do it then) */ + outb(0x20, 0x3c0); return 0; } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ec7bb0fc71bc..9debd6e74439 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -614,15 +614,20 @@ static void intel_resume_hotplug(struct drm_device *dev) drm_helper_hpd_irq_event(dev); } +static int i915_drm_thaw_early(struct drm_device *dev) +{ + intel_uncore_early_sanitize(dev); + intel_uncore_sanitize(dev); + intel_power_domains_init_hw(dev); + + return 0; +} + static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings) { struct drm_i915_private *dev_priv = dev->dev_private; int error = 0; - intel_uncore_early_sanitize(dev); - - intel_uncore_sanitize(dev); - if (drm_core_check_feature(dev, DRIVER_MODESET) && restore_gtt_mappings) { mutex_lock(&dev->struct_mutex); @@ -630,8 +635,6 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings) mutex_unlock(&dev->struct_mutex); } - intel_power_domains_init_hw(dev); - i915_restore_state(dev); intel_opregion_setup(dev); @@ -700,19 +703,33 @@ static int i915_drm_thaw(struct drm_device *dev) return __i915_drm_thaw(dev, true); } -int i915_resume(struct drm_device *dev) +static int i915_resume_early(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - int ret; - if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; + /* + * We have a resume ordering issue with the snd-hda driver also + * requiring our device to be power up. Due to the lack of a + * parent/child relationship we currently solve this with an early + * resume hook. + * + * FIXME: This should be solved with a special hdmi sink device or + * similar so that power domains can be employed. + */ if (pci_enable_device(dev->pdev)) return -EIO; pci_set_master(dev->pdev); + return i915_drm_thaw_early(dev); +} + +int i915_resume(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int ret; + /* * Platforms with opregion should have sane BIOS, older ones (gen3 and * earlier) need to restore the GTT mappings since the BIOS might clear @@ -726,6 +743,14 @@ int i915_resume(struct drm_device *dev) return 0; } +static int i915_resume_legacy(struct drm_device *dev) +{ + i915_resume_early(dev); + i915_resume(dev); + + return 0; +} + /** * i915_reset - reset chip after a hang * @dev: drm device to reset @@ -846,7 +871,6 @@ static int i915_pm_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct drm_device *drm_dev = pci_get_drvdata(pdev); - int error; if (!drm_dev || !drm_dev->dev_private) { dev_err(dev, "DRM not initialized, aborting suspend.\n"); @@ -856,9 +880,25 @@ static int i915_pm_suspend(struct device *dev) if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; - error = i915_drm_freeze(drm_dev); - if (error) - return error; + return i915_drm_freeze(drm_dev); +} + +static int i915_pm_suspend_late(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + + /* + * We have a suspedn ordering issue with the snd-hda driver also + * requiring our device to be power up. Due to the lack of a + * parent/child relationship we currently solve this with an late + * suspend hook. + * + * FIXME: This should be solved with a special hdmi sink device or + * similar so that power domains can be employed. + */ + if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); @@ -866,6 +906,14 @@ static int i915_pm_suspend(struct device *dev) return 0; } +static int i915_pm_resume_early(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + + return i915_resume_early(drm_dev); +} + static int i915_pm_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -887,6 +935,14 @@ static int i915_pm_freeze(struct device *dev) return i915_drm_freeze(drm_dev); } +static int i915_pm_thaw_early(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + + return i915_drm_thaw_early(drm_dev); +} + static int i915_pm_thaw(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -948,10 +1004,14 @@ static int i915_runtime_resume(struct device *device) static const struct dev_pm_ops i915_pm_ops = { .suspend = i915_pm_suspend, + .suspend_late = i915_pm_suspend_late, + .resume_early = i915_pm_resume_early, .resume = i915_pm_resume, .freeze = i915_pm_freeze, + .thaw_early = i915_pm_thaw_early, .thaw = i915_pm_thaw, .poweroff = i915_pm_poweroff, + .restore_early = i915_pm_resume_early, .restore = i915_pm_resume, .runtime_suspend = i915_runtime_suspend, .runtime_resume = i915_runtime_resume, @@ -994,7 +1054,7 @@ static struct drm_driver driver = { /* Used in place of i915_pm_ops for non-DRIVER_MODESET */ .suspend = i915_suspend, - .resume = i915_resume, + .resume = i915_resume_legacy, .device_is_agp = i915_driver_device_is_agp, .master_create = i915_master_create, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index df77e20e3c3d..4677af964df7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -734,6 +734,7 @@ enum intel_sbi_destination { #define QUIRK_PIPEA_FORCE (1<<0) #define QUIRK_LVDS_SSC_DISABLE (1<<1) #define QUIRK_INVERT_BRIGHTNESS (1<<2) +#define QUIRK_NO_PCH_PWM_ENABLE (1<<3) struct intel_fbdev; struct intel_fbc_work; @@ -2425,6 +2426,7 @@ extern void intel_modeset_suspend_hw(struct drm_device *dev); extern void intel_modeset_init(struct drm_device *dev); extern void intel_modeset_gem_init(struct drm_device *dev); extern void intel_modeset_cleanup(struct drm_device *dev); +extern void intel_connector_unregister(struct intel_connector *); extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state); extern void intel_modeset_setup_hw_state(struct drm_device *dev, bool force_restore); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 00c836154725..3ecb332e7cfa 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3529,7 +3529,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, { struct drm_device *dev = obj->base.dev; drm_i915_private_t *dev_priv = dev->dev_private; - struct i915_vma *vma; + struct i915_vma *vma, *next; int ret; if (obj->cache_level == cache_level) @@ -3540,7 +3540,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, return -EBUSY; } - list_for_each_entry(vma, &obj->vma_list, vma_link) { + list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) { if (!i915_gem_valid_gtt_space(dev, &vma->node, cache_level)) { ret = i915_vma_unbind(vma); if (ret) diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index d269ecf46e26..768e6665e4e3 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -766,9 +766,9 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, * relocations were valid. */ for (j = 0; j < exec[i].relocation_count; j++) { - if (copy_to_user(&user_relocs[j].presumed_offset, - &invalid_offset, - sizeof(invalid_offset))) { + if (__copy_to_user(&user_relocs[j].presumed_offset, + &invalid_offset, + sizeof(invalid_offset))) { ret = -EFAULT; mutex_lock(&dev->struct_mutex); goto err; @@ -1329,18 +1329,21 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list, &dev_priv->gtt.base); if (!ret) { + struct drm_i915_gem_exec_object __user *user_exec_list = + to_user_ptr(args->buffers_ptr); + /* Copy the new buffer offsets back to the user's exec list. */ - for (i = 0; i < args->buffer_count; i++) - exec_list[i].offset = exec2_list[i].offset; - /* ... and back out to userspace */ - ret = copy_to_user(to_user_ptr(args->buffers_ptr), - exec_list, - sizeof(*exec_list) * args->buffer_count); - if (ret) { - ret = -EFAULT; - DRM_DEBUG("failed to copy %d exec entries " - "back to user (%d)\n", - args->buffer_count, ret); + for (i = 0; i < args->buffer_count; i++) { + ret = __copy_to_user(&user_exec_list[i].offset, + &exec2_list[i].offset, + sizeof(user_exec_list[i].offset)); + if (ret) { + ret = -EFAULT; + DRM_DEBUG("failed to copy %d exec entries " + "back to user (%d)\n", + args->buffer_count, ret); + break; + } } } @@ -1388,14 +1391,21 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, &dev_priv->gtt.base); if (!ret) { /* Copy the new buffer offsets back to the user's exec list. */ - ret = copy_to_user(to_user_ptr(args->buffers_ptr), - exec2_list, - sizeof(*exec2_list) * args->buffer_count); - if (ret) { - ret = -EFAULT; - DRM_DEBUG("failed to copy %d exec entries " - "back to user (%d)\n", - args->buffer_count, ret); + struct drm_i915_gem_exec_object2 *user_exec_list = + to_user_ptr(args->buffers_ptr); + int i; + + for (i = 0; i < args->buffer_count; i++) { + ret = __copy_to_user(&user_exec_list[i].offset, + &exec2_list[i].offset, + sizeof(user_exec_list[i].offset)); + if (ret) { + ret = -EFAULT; + DRM_DEBUG("failed to copy %d exec entries " + "back to user\n", + args->buffer_count); + break; + } } } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index d554169ac592..40504504c9e2 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1252,10 +1252,20 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev, spin_lock(&dev_priv->irq_lock); for (i = 1; i < HPD_NUM_PINS; i++) { - WARN_ONCE(hpd[i] & hotplug_trigger && - dev_priv->hpd_stats[i].hpd_mark == HPD_DISABLED, - "Received HPD interrupt (0x%08x) on pin %d (0x%08x) although disabled\n", - hotplug_trigger, i, hpd[i]); + if (hpd[i] & hotplug_trigger && + dev_priv->hpd_stats[i].hpd_mark == HPD_DISABLED) { + /* + * On GMCH platforms the interrupt mask bits only + * prevent irq generation, not the setting of the + * hotplug bits itself. So only WARN about unexpected + * interrupts on saner platforms. + */ + WARN_ONCE(INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev), + "Received HPD interrupt (0x%08x) on pin %d (0x%08x) although disabled\n", + hotplug_trigger, i, hpd[i]); + + continue; + } if (!(hpd[i] & hotplug_trigger) || dev_priv->hpd_stats[i].hpd_mark != HPD_ENABLED) diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 6e580c98dede..783ae08200e8 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -238,14 +238,16 @@ TRACE_EVENT(i915_gem_evict_vm, TP_ARGS(vm), TP_STRUCT__entry( + __field(u32, dev) __field(struct i915_address_space *, vm) ), TP_fast_assign( + __entry->dev = vm->dev->primary->index; __entry->vm = vm; ), - TP_printk("dev=%d, vm=%p", __entry->vm->dev->primary->index, __entry->vm) + TP_printk("dev=%d, vm=%p", __entry->dev, __entry->vm) ); TRACE_EVENT(i915_gem_ring_sync_to, diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index e2e39e65f109..b19ddacbe19d 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -765,6 +765,14 @@ static const struct dmi_system_id intel_no_crt[] = { DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"), }, }, + { + .callback = intel_no_crt_dmi_callback, + .ident = "DELL XPS 8700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS 8700"), + }, + }, { } }; @@ -833,6 +841,7 @@ void intel_crt_init(struct drm_device *dev) crt->base.get_hw_state = intel_crt_get_hw_state; } intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9b8a7c7ea7fc..b6fb3ebe553a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9354,11 +9354,22 @@ intel_pipe_config_compare(struct drm_device *dev, PIPE_CONF_CHECK_I(pipe_src_w); PIPE_CONF_CHECK_I(pipe_src_h); - PIPE_CONF_CHECK_I(gmch_pfit.control); - /* pfit ratios are autocomputed by the hw on gen4+ */ - if (INTEL_INFO(dev)->gen < 4) - PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); - PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); + /* + * FIXME: BIOS likes to set up a cloned config with lvds+external + * screen. Since we don't yet re-compute the pipe config when moving + * just the lvds port away to another pipe the sw tracking won't match. + * + * Proper atomic modesets with recomputed global state will fix this. + * Until then just don't check gmch state for inherited modes. + */ + if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) { + PIPE_CONF_CHECK_I(gmch_pfit.control); + /* pfit ratios are autocomputed by the hw on gen4+ */ + if (INTEL_INFO(dev)->gen < 4) + PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); + PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); + } + PIPE_CONF_CHECK_I(pch_pfit.enabled); if (current_config->pch_pfit.enabled) { PIPE_CONF_CHECK_I(pch_pfit.pos); @@ -10771,6 +10782,17 @@ static void quirk_invert_brightness(struct drm_device *dev) DRM_INFO("applying inverted panel brightness quirk\n"); } +/* + * Some machines (Dell XPS13) suffer broken backlight controls if + * BLM_PCH_PWM_ENABLE is set. + */ +static void quirk_no_pcm_pwm_enable(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + dev_priv->quirks |= QUIRK_NO_PCH_PWM_ENABLE; + DRM_INFO("applying no-PCH_PWM_ENABLE quirk\n"); +} + struct intel_quirk { int device; int subsystem_vendor; @@ -10839,6 +10861,14 @@ static struct intel_quirk intel_quirks[] = { /* Acer Aspire 4736Z */ { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, + + /* Acer Aspire 5336 */ + { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, + + /* Dell XPS13 HD Sandy Bridge */ + { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable }, + /* Dell XPS13 HD and XPS13 FHD Ivy Bridge */ + { 0x0166, 0x1028, 0x058b, quirk_no_pcm_pwm_enable }, }; static void intel_init_quirks(struct drm_device *dev) @@ -10962,15 +10992,6 @@ void intel_modeset_init(struct drm_device *dev) intel_disable_fbc(dev); } -static void -intel_connector_break_all_links(struct intel_connector *connector) -{ - connector->base.dpms = DRM_MODE_DPMS_OFF; - connector->base.encoder = NULL; - connector->encoder->connectors_active = false; - connector->encoder->base.crtc = NULL; -} - static void intel_enable_pipe_a(struct drm_device *dev) { struct intel_connector *connector; @@ -11052,8 +11073,17 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) if (connector->encoder->base.crtc != &crtc->base) continue; - intel_connector_break_all_links(connector); + connector->base.dpms = DRM_MODE_DPMS_OFF; + connector->base.encoder = NULL; } + /* multiple connectors may have the same encoder: + * handle them and break crtc link separately */ + list_for_each_entry(connector, &dev->mode_config.connector_list, + base.head) + if (connector->encoder->base.crtc == &crtc->base) { + connector->encoder->base.crtc = NULL; + connector->encoder->connectors_active = false; + } WARN_ON(crtc->active); crtc->base.enabled = false; @@ -11124,6 +11154,8 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) drm_get_encoder_name(&encoder->base)); encoder->disable(encoder); } + encoder->base.crtc = NULL; + encoder->connectors_active = false; /* Inconsistent output/port/pipe state happens presumably due to * a bug in one of the get_hw_state functions. Or someplace else @@ -11134,8 +11166,8 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) base.head) { if (connector->encoder != encoder) continue; - - intel_connector_break_all_links(connector); + connector->base.dpms = DRM_MODE_DPMS_OFF; + connector->base.encoder = NULL; } } /* Enabled encoders without active connectors will be fixed in @@ -11177,6 +11209,8 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) base.head) { memset(&crtc->config, 0, sizeof(crtc->config)); + crtc->config.quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; + crtc->active = dev_priv->display.get_pipe_config(crtc, &crtc->config); @@ -11334,6 +11368,14 @@ void intel_modeset_gem_init(struct drm_device *dev) mutex_unlock(&dev->mode_config.mutex); } +void intel_connector_unregister(struct intel_connector *intel_connector) +{ + struct drm_connector *connector = &intel_connector->base; + + intel_panel_destroy_backlight(connector); + drm_sysfs_connector_remove(connector); +} + void intel_modeset_cleanup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -11378,8 +11420,10 @@ void intel_modeset_cleanup(struct drm_device *dev) /* destroy the backlight and sysfs files before encoders/connectors */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - intel_panel_destroy_backlight(connector); - drm_sysfs_connector_remove(connector); + struct intel_connector *intel_connector; + + intel_connector = to_intel_connector(connector); + intel_connector->unregister(intel_connector); } drm_mode_config_cleanup(dev); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 2688f6d64bb9..b2d0887b3d12 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -744,6 +744,16 @@ out: return ret; } +static void +intel_dp_connector_unregister(struct intel_connector *intel_connector) +{ + struct intel_dp *intel_dp = intel_attached_dp(&intel_connector->base); + + sysfs_remove_link(&intel_connector->base.kdev->kobj, + intel_dp->adapter.dev.kobj.name); + intel_connector_unregister(intel_connector); +} + static int intel_dp_i2c_init(struct intel_dp *intel_dp, struct intel_connector *intel_connector, const char *name) @@ -761,9 +771,19 @@ intel_dp_i2c_init(struct intel_dp *intel_dp, strncpy(intel_dp->adapter.name, name, sizeof(intel_dp->adapter.name) - 1); intel_dp->adapter.name[sizeof(intel_dp->adapter.name) - 1] = '\0'; intel_dp->adapter.algo_data = &intel_dp->algo; - intel_dp->adapter.dev.parent = intel_connector->base.kdev; + intel_dp->adapter.dev.parent = intel_connector->base.dev->dev; ret = i2c_dp_aux_add_bus(&intel_dp->adapter); + if (ret < 0) + return ret; + + ret = sysfs_create_link(&intel_connector->base.kdev->kobj, + &intel_dp->adapter.dev.kobj, + intel_dp->adapter.dev.kobj.name); + + if (ret < 0) + i2c_del_adapter(&intel_dp->adapter); + return ret; } @@ -3686,6 +3706,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; else intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_dp_connector_unregister; intel_dp->aux_ch_ctl_reg = intel_dp->output_reg + 0x10; if (HAS_DDI(dev)) { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index fbfaaba5cc3b..0b59914344e4 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -187,6 +187,14 @@ struct intel_connector { * and active (i.e. dpms ON state). */ bool (*get_hw_state)(struct intel_connector *); + /* + * Removes all interfaces through which the connector is accessible + * - like sysfs, debugfs entries -, so that no new operations can be + * started on the connector. Also makes sure all currently pending + * operations finish before returing. + */ + void (*unregister)(struct intel_connector *); + /* Panel info for eDP and LVDS */ struct intel_panel panel; @@ -219,7 +227,8 @@ struct intel_crtc_config { * tracked with quirk flags so that fastboot and state checker can act * accordingly. */ -#define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */ +#define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */ +#define PIPE_CONFIG_QUIRK_INHERITED_MODE (1<<1) /* mode inherited from firmware */ unsigned long quirks; /* User requested mode, only valid as a starting point to diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index fabbf0d895cf..ad05683ac5b6 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -586,6 +586,7 @@ bool intel_dsi_init(struct drm_device *dev) intel_encoder->get_config = intel_dsi_get_config; intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; for (i = 0; i < ARRAY_SIZE(intel_dsi_devices); i++) { dsi = &intel_dsi_devices[i]; diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index eeff998e52ef..86eeb8b7d435 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -477,6 +477,7 @@ void intel_dvo_init(struct drm_device *dev) intel_encoder->compute_config = intel_dvo_compute_config; intel_encoder->mode_set = intel_dvo_mode_set; intel_connector->get_hw_state = intel_dvo_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; /* Now, try to find a controller */ for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) { diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index ee3181ebcc92..7b277c369dce 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -841,11 +841,11 @@ static void intel_disable_hdmi(struct intel_encoder *encoder) } } -static int hdmi_portclock_limit(struct intel_hdmi *hdmi) +static int hdmi_portclock_limit(struct intel_hdmi *hdmi, bool respect_dvi_limit) { struct drm_device *dev = intel_hdmi_to_dev(hdmi); - if (!hdmi->has_hdmi_sink || IS_G4X(dev)) + if ((respect_dvi_limit && !hdmi->has_hdmi_sink) || IS_G4X(dev)) return 165000; else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) return 300000; @@ -857,7 +857,8 @@ static enum drm_mode_status intel_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector))) + if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector), + true)) return MODE_CLOCK_HIGH; if (mode->clock < 20000) return MODE_CLOCK_LOW; @@ -875,7 +876,7 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder, struct drm_device *dev = encoder->base.dev; struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; int clock_12bpc = pipe_config->adjusted_mode.crtc_clock * 3 / 2; - int portclock_limit = hdmi_portclock_limit(intel_hdmi); + int portclock_limit = hdmi_portclock_limit(intel_hdmi, false); int desired_bpp; if (intel_hdmi->color_range_auto) { @@ -1261,6 +1262,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; else intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; intel_hdmi_add_properties(intel_hdmi, connector); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 8bcb93a2a9f6..eb8f64b5fb85 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -957,6 +957,7 @@ void intel_lvds_init(struct drm_device *dev) intel_encoder->get_hw_state = intel_lvds_get_hw_state; intel_encoder->get_config = intel_lvds_get_config; intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; intel_connector_attach_encoder(intel_connector, intel_encoder); intel_encoder->type = INTEL_OUTPUT_LVDS; diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 079ea38f14d9..fd98bec78816 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -501,6 +501,7 @@ void intel_panel_set_backlight(struct intel_connector *connector, u32 level, enum pipe pipe = intel_get_pipe_from_connector(connector); u32 freq; unsigned long flags; + u64 n; if (!panel->backlight.present || pipe == INVALID_PIPE) return; @@ -511,10 +512,9 @@ void intel_panel_set_backlight(struct intel_connector *connector, u32 level, /* scale to hardware max, but be careful to not overflow */ freq = panel->backlight.max; - if (freq < max) - level = level * freq / max; - else - level = freq / max * level; + n = (u64)level * freq; + do_div(n, max); + level = n; panel->backlight.level = level; if (panel->backlight.device) @@ -671,6 +671,10 @@ static void pch_enable_backlight(struct intel_connector *connector) pch_ctl2 = panel->backlight.max << 16; I915_WRITE(BLC_PWM_PCH_CTL2, pch_ctl2); + /* XXX: transitional */ + if (dev_priv->quirks & QUIRK_NO_PCH_PWM_ENABLE) + return; + pch_ctl1 = 0; if (panel->backlight.active_low_pwm) pch_ctl1 |= BLM_PCH_POLARITY; @@ -732,9 +736,6 @@ static void i965_enable_backlight(struct intel_connector *connector) ctl = freq << 16; I915_WRITE(BLC_PWM_CTL, ctl); - /* XXX: combine this into above write? */ - intel_panel_actually_set_backlight(connector, panel->backlight.level); - ctl2 = BLM_PIPE(pipe); if (panel->backlight.combination_mode) ctl2 |= BLM_COMBINATION_MODE; @@ -743,6 +744,8 @@ static void i965_enable_backlight(struct intel_connector *connector) I915_WRITE(BLC_PWM_CTL2, ctl2); POSTING_READ(BLC_PWM_CTL2); I915_WRITE(BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE); + + intel_panel_actually_set_backlight(connector, panel->backlight.level); } static void vlv_enable_backlight(struct intel_connector *connector) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e1fc35a72656..8e7245151b96 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1539,6 +1539,16 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc) DRM_DEBUG_KMS("FIFO watermarks - A: %d, B: %d\n", planea_wm, planeb_wm); + if (IS_I915GM(dev) && enabled) { + struct intel_framebuffer *fb; + + fb = to_intel_framebuffer(enabled->fb); + + /* self-refresh seems busted with untiled */ + if (fb->obj->tiling_mode == I915_TILING_NONE) + enabled = NULL; + } + /* * Overlay gets an aggressive default since video jitter is bad. */ @@ -5128,10 +5138,25 @@ bool intel_display_power_enabled_sw(struct drm_device *dev, { struct drm_i915_private *dev_priv = dev->dev_private; struct i915_power_domains *power_domains; + struct i915_power_well *power_well; + bool is_enabled; + int i; + + if (dev_priv->pm.suspended) + return false; power_domains = &dev_priv->power_domains; + is_enabled = true; + for_each_power_well_rev(i, power_well, BIT(domain), power_domains) { + if (power_well->always_on) + continue; - return power_domains->domain_use_count[domain]; + if (!power_well->count) { + is_enabled = false; + break; + } + } + return is_enabled; } bool intel_display_power_enabled(struct drm_device *dev, diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 95bdfb3c431c..1890264cf115 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1383,7 +1383,9 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder, >> SDVO_PORT_MULTIPLY_SHIFT) + 1; } - dotclock = pipe_config->port_clock / pipe_config->pixel_multiplier; + dotclock = pipe_config->port_clock; + if (pipe_config->pixel_multiplier) + dotclock /= pipe_config->pixel_multiplier; if (HAS_PCH_SPLIT(dev)) ironlake_check_encoder_dotclock(pipe_config, dotclock); @@ -2397,6 +2399,7 @@ intel_sdvo_connector_init(struct intel_sdvo_connector *connector, connector->base.base.doublescan_allowed = 0; connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; connector->base.get_hw_state = intel_sdvo_connector_get_hw_state; + connector->base.unregister = intel_connector_unregister; intel_connector_attach_encoder(&connector->base, &encoder->base); drm_sysfs_connector_add(&connector->base.base); diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 22cf0f4ba248..365c7c47c46c 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1536,9 +1536,14 @@ static int tv_is_present_in_vbt(struct drm_device *dev) /* * If the device type is not TV, continue. */ - if (p_child->old.device_type != DEVICE_TYPE_INT_TV && - p_child->old.device_type != DEVICE_TYPE_TV) + switch (p_child->old.device_type) { + case DEVICE_TYPE_INT_TV: + case DEVICE_TYPE_TV: + case DEVICE_TYPE_TV_SVIDEO_COMPOSITE: + break; + default: continue; + } /* Only when the addin_offset is non-zero, it is regarded * as present. */ @@ -1634,6 +1639,7 @@ intel_tv_init(struct drm_device *dev) intel_encoder->disable = intel_disable_tv; intel_encoder->get_hw_state = intel_tv_get_hw_state; intel_connector->get_hw_state = intel_connector_get_hw_state; + intel_connector->unregister = intel_connector_unregister; intel_connector_attach_encoder(intel_connector, intel_encoder); intel_encoder->type = INTEL_OUTPUT_TVOUT; diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 87df68f5f504..c8796316d242 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -177,6 +177,8 @@ static void vlv_force_wake_reset(struct drm_i915_private *dev_priv) { __raw_i915_write32(dev_priv, FORCEWAKE_VLV, _MASKED_BIT_DISABLE(0xffff)); + __raw_i915_write32(dev_priv, FORCEWAKE_MEDIA_VLV, + _MASKED_BIT_DISABLE(0xffff)); /* something from same cacheline, but !FORCEWAKE_VLV */ __raw_posting_read(dev_priv, FORCEWAKE_ACK_VLV); } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c index 7cf8b1348632..6fdf6e385bf7 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c @@ -51,6 +51,14 @@ nv04_disp_scanoutpos(struct nouveau_object *object, u32 mthd, args->htotal = nv_rd32(priv, 0x680824 + (head * 0x2000)) & 0xffff; args->hblanke = args->htotal - 1; + /* + * If output is vga instead of digital then vtotal/htotal is invalid + * so we have to give up and trigger the timestamping fallback in the + * drm core. + */ + if (!args->vtotal || !args->htotal) + return -ENOTSUPP; + args->time[0] = ktime_to_ns(ktime_get()); line = nv_rd32(priv, 0x600868 + (head * 0x2000)); args->time[1] = ktime_to_ns(ktime_get()); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 1c5e4e8b2c82..e031d7c88fa3 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -732,7 +732,7 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, } if (outp == 8) - return false; + return conf; data = exec_lookup(priv, head, outp, ctrl, dcb, &ver, &hdr, &cnt, &len, &info1); if (data == 0x0000) diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c index a86bd3352bf8..e69bfde37aef 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv108.c @@ -1318,10 +1318,12 @@ nv108_grctx_generate_mods(struct nvc0_graph_priv *priv, struct nvc0_grctx *info) mmio_list(0x408010, 0x80000000, 0, 0); mmio_list(0x419004, 0x00000000, 8, 1); mmio_list(0x419008, 0x00000000, 0, 0); + mmio_list(0x4064cc, 0x80000000, 0, 0); mmio_list(0x408004, 0x00000000, 8, 0); mmio_list(0x408008, 0x80000030, 0, 0); mmio_list(0x418808, 0x00000000, 8, 0); mmio_list(0x41880c, 0x80000030, 0, 0); + mmio_list(0x4064c8, 0x00c20200, 0, 0); mmio_list(0x418810, 0x80000000, 12, 2); mmio_list(0x419848, 0x10000000, 12, 2); diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c index e8822a934c48..90d8bf8ce0dc 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c @@ -26,6 +26,7 @@ const struct nouveau_mc_intr nv50_mc_intr[] = { + { 0x04000000, NVDEV_ENGINE_DISP }, /* DISP before FIFO, so pageflip-timestamping works! */ { 0x00000001, NVDEV_ENGINE_MPEG }, { 0x00000100, NVDEV_ENGINE_FIFO }, { 0x00001000, NVDEV_ENGINE_GR }, @@ -34,7 +35,6 @@ nv50_mc_intr[] = { { 0x00020000, NVDEV_ENGINE_VP }, /* NV84- */ { 0x00100000, NVDEV_SUBDEV_TIMER }, { 0x00200000, NVDEV_SUBDEV_GPIO }, - { 0x04000000, NVDEV_ENGINE_DISP }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x80000000, NVDEV_ENGINE_SW }, { 0x0002d101, NVDEV_SUBDEV_FB }, diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c index f8a6f18e2d34..95b3d35388a8 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c @@ -26,6 +26,7 @@ static const struct nouveau_mc_intr nv98_mc_intr[] = { + { 0x04000000, NVDEV_ENGINE_DISP }, /* DISP first, so pageflip timestamps work */ { 0x00000001, NVDEV_ENGINE_PPP }, { 0x00000100, NVDEV_ENGINE_FIFO }, { 0x00001000, NVDEV_ENGINE_GR }, @@ -37,7 +38,6 @@ nv98_mc_intr[] = { { 0x00100000, NVDEV_SUBDEV_TIMER }, { 0x00200000, NVDEV_SUBDEV_GPIO }, { 0x00400000, NVDEV_ENGINE_COPY0 }, /* NVA3- */ - { 0x04000000, NVDEV_ENGINE_DISP }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x80000000, NVDEV_ENGINE_SW }, { 0x0042d101, NVDEV_SUBDEV_FB }, diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c index 34472d317097..ac7f99a15fa7 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c @@ -26,6 +26,7 @@ const struct nouveau_mc_intr nvc0_mc_intr[] = { + { 0x04000000, NVDEV_ENGINE_DISP }, /* DISP first, so pageflip timestamps work. */ { 0x00000001, NVDEV_ENGINE_PPP }, { 0x00000020, NVDEV_ENGINE_COPY0 }, { 0x00000040, NVDEV_ENGINE_COPY1 }, @@ -40,7 +41,6 @@ nvc0_mc_intr[] = { { 0x00200000, NVDEV_SUBDEV_GPIO }, { 0x01000000, NVDEV_SUBDEV_PWR }, { 0x02000000, NVDEV_SUBDEV_LTCG }, - { 0x04000000, NVDEV_ENGINE_DISP }, { 0x08000000, NVDEV_SUBDEV_FB }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x40000000, NVDEV_SUBDEV_IBUS }, diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c index 95f6129eeede..29d4c417a5b3 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c @@ -54,8 +54,10 @@ nouveau_fan_update(struct nouveau_fan *fan, bool immediate, int target) /* check that we're not already at the target duty cycle */ duty = fan->get(therm); - if (duty == target) - goto done; + if (duty == target) { + spin_unlock_irqrestore(&fan->lock, flags); + return 0; + } /* smooth out the fanspeed increase/decrease */ if (!immediate && duty >= 0) { @@ -73,8 +75,15 @@ nouveau_fan_update(struct nouveau_fan *fan, bool immediate, int target) nv_debug(therm, "FAN update: %d\n", duty); ret = fan->set(therm, duty); - if (ret) - goto done; + if (ret) { + spin_unlock_irqrestore(&fan->lock, flags); + return ret; + } + + /* fan speed updated, drop the fan lock before grabbing the + * alarm-scheduling lock and risking a deadlock + */ + spin_unlock_irqrestore(&fan->lock, flags); /* schedule next fan update, if not at target speed already */ if (list_empty(&fan->alarm.head) && target != duty) { @@ -92,8 +101,6 @@ nouveau_fan_update(struct nouveau_fan *fan, bool immediate, int target) ptimer->alarm(ptimer, delay * 1000 * 1000, &fan->alarm); } -done: - spin_unlock_irqrestore(&fan->lock, flags); return ret; } diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 83face3f608f..279206997e5c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -389,9 +389,6 @@ bool nouveau_acpi_rom_supported(struct pci_dev *pdev) acpi_status status; acpi_handle dhandle, rom_handle; - if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected) - return false; - dhandle = ACPI_HANDLE(&pdev->dev); if (!dhandle) return false; diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 24011596af43..6601690ab29c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -734,6 +734,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, new_bo->bo.offset }; + /* Keep vblanks on during flip, for the target crtc of this flip */ + drm_vblank_get(dev, nouveau_crtc(crtc)->index); + /* Emit a page flip */ if (nv_device(drm->device)->card_type >= NV_50) { ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); @@ -762,9 +765,9 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, } ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); - mutex_unlock(&chan->cli->mutex); if (ret) goto fail_unreserve; + mutex_unlock(&chan->cli->mutex); /* Update the crtc struct and cleanup */ crtc->fb = fb; @@ -777,6 +780,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, return 0; fail_unreserve: + drm_vblank_put(dev, nouveau_crtc(crtc)->index); ttm_bo_unreserve(&old_bo->bo); fail_unpin: mutex_unlock(&chan->cli->mutex); @@ -796,6 +800,7 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, struct drm_device *dev = drm->dev; struct nouveau_page_flip_state *s; unsigned long flags; + int crtcid = -1; spin_lock_irqsave(&dev->event_lock, flags); @@ -806,8 +811,16 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, } s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); - if (s->event) - drm_send_vblank_event(dev, s->crtc, s->event); + if (s->event) { + /* Vblank timestamps/counts are only correct on >= NV-50 */ + if (nv_device(drm->device)->card_type >= NV_50) + crtcid = s->crtc; + + drm_send_vblank_event(dev, crtcid, s->event); + } + + /* Give up ownership of vblank for page-flipped crtc */ + drm_vblank_put(dev, s->crtc); list_del(&s->head); if (ps) diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index c7e7e6590c2b..c82c1d6a965a 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -433,6 +433,7 @@ static int qxl_sync_obj_flush(void *sync_obj) static void qxl_sync_obj_unref(void **sync_obj) { + *sync_obj = NULL; } static void *qxl_sync_obj_ref(void *sync_obj) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index daa4dd375ab1..0cca5f24196a 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -270,8 +270,6 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) switch (mode) { case DRM_MODE_DPMS_ON: radeon_crtc->enabled = true; - /* adjust pm to dpms changes BEFORE enabling crtcs */ - radeon_pm_compute_clocks(rdev); atombios_enable_crtc(crtc, ATOM_ENABLE); if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); @@ -289,10 +287,10 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); atombios_enable_crtc(crtc, ATOM_DISABLE); radeon_crtc->enabled = false; - /* adjust pm to dpms changes AFTER disabling crtcs */ - radeon_pm_compute_clocks(rdev); break; } + /* adjust pm to dpms */ + radeon_pm_compute_clocks(rdev); } static void @@ -864,14 +862,16 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; - switch (bpc) { - case 8: - default: - args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; - break; - case 10: - args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; - break; + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; + break; + case 10: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; + break; + } } args.v5.ucTransmitterID = encoder_id; args.v5.ucEncoderMode = encoder_mode; @@ -886,20 +886,22 @@ static void atombios_crtc_program_pll(struct drm_crtc *crtc, args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; - switch (bpc) { - case 8: - default: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; - break; - case 10: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP; - break; - case 12: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP; - break; - case 16: - args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; - break; + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; + break; + case 10: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP; + break; + case 12: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP; + break; + case 16: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; + break; + } } args.v6.ucTransmitterID = encoder_id; args.v6.ucEncoderMode = encoder_mode; diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 4ad7643fce5f..5727dbdeda7f 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -386,6 +386,19 @@ static int dp_get_max_dp_pix_clock(int link_rate, /***** radeon specific DP functions *****/ +static int radeon_dp_get_max_link_rate(struct drm_connector *connector, + u8 dpcd[DP_DPCD_SIZE]) +{ + int max_link_rate; + + if (radeon_connector_is_dp12_capable(connector)) + max_link_rate = min(drm_dp_max_link_rate(dpcd), 540000); + else + max_link_rate = min(drm_dp_max_link_rate(dpcd), 270000); + + return max_link_rate; +} + /* First get the min lane# when low rate is used according to pixel clock * (prefer low rate), second check max lane# supported by DP panel, * if the max lane# < low rate lane# then use max lane# instead. @@ -395,7 +408,7 @@ static int radeon_dp_get_dp_lane_number(struct drm_connector *connector, int pix_clock) { int bpp = convert_bpc_to_bpp(radeon_get_monitor_bpc(connector)); - int max_link_rate = drm_dp_max_link_rate(dpcd); + int max_link_rate = radeon_dp_get_max_link_rate(connector, dpcd); int max_lane_num = drm_dp_max_lane_count(dpcd); int lane_num; int max_dp_pix_clock; @@ -433,7 +446,7 @@ static int radeon_dp_get_dp_link_clock(struct drm_connector *connector, return 540000; } - return drm_dp_max_link_rate(dpcd); + return radeon_dp_get_max_link_rate(connector, dpcd); } static u8 radeon_dp_encoder_service(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 607dc14d195e..ccca8b224d18 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1898,8 +1898,11 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder) args.v2.ucEncodeMode = ATOM_ENCODER_MODE_CRT; else args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder); - } else + } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS; + } else { args.v2.ucEncodeMode = atombios_get_encoder_mode(encoder); + } switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 8d49104ca6c2..9241e96f8502 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -21,8 +21,10 @@ * */ +#include <linux/firmware.h> #include "drmP.h" #include "radeon.h" +#include "radeon_ucode.h" #include "cikd.h" #include "r600_dpm.h" #include "ci_dpm.h" @@ -5106,6 +5108,12 @@ int ci_dpm_init(struct radeon_device *rdev) pi->mclk_dpm_key_disabled = 0; pi->pcie_dpm_key_disabled = 0; + /* mclk dpm is unstable on some R7 260X cards with the old mc ucode */ + if ((rdev->pdev->device == 0x6658) && + (rdev->mc_fw->size == (BONAIRE_MC_UCODE_SIZE * 4))) { + pi->mclk_dpm_key_disabled = 1; + } + pi->caps_sclk_ds = true; pi->mclk_strobe_mode_threshold = 40000; diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index bbb17841a9e5..270f68a6b724 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -38,6 +38,7 @@ MODULE_FIRMWARE("radeon/BONAIRE_me.bin"); MODULE_FIRMWARE("radeon/BONAIRE_ce.bin"); MODULE_FIRMWARE("radeon/BONAIRE_mec.bin"); MODULE_FIRMWARE("radeon/BONAIRE_mc.bin"); +MODULE_FIRMWARE("radeon/BONAIRE_mc2.bin"); MODULE_FIRMWARE("radeon/BONAIRE_rlc.bin"); MODULE_FIRMWARE("radeon/BONAIRE_sdma.bin"); MODULE_FIRMWARE("radeon/BONAIRE_smc.bin"); @@ -46,6 +47,7 @@ MODULE_FIRMWARE("radeon/HAWAII_me.bin"); MODULE_FIRMWARE("radeon/HAWAII_ce.bin"); MODULE_FIRMWARE("radeon/HAWAII_mec.bin"); MODULE_FIRMWARE("radeon/HAWAII_mc.bin"); +MODULE_FIRMWARE("radeon/HAWAII_mc2.bin"); MODULE_FIRMWARE("radeon/HAWAII_rlc.bin"); MODULE_FIRMWARE("radeon/HAWAII_sdma.bin"); MODULE_FIRMWARE("radeon/HAWAII_smc.bin"); @@ -1095,7 +1097,7 @@ static const u32 spectre_golden_registers[] = 0x8a14, 0xf000003f, 0x00000007, 0x8b24, 0xffffffff, 0x00ffffff, 0x28350, 0x3f3f3fff, 0x00000082, - 0x28355, 0x0000003f, 0x00000000, + 0x28354, 0x0000003f, 0x00000000, 0x3e78, 0x00000001, 0x00000002, 0x913c, 0xffff03df, 0x00000004, 0xc768, 0x00000008, 0x00000008, @@ -1702,20 +1704,20 @@ int ci_mc_load_microcode(struct radeon_device *rdev) const __be32 *fw_data; u32 running, blackout = 0; u32 *io_mc_regs; - int i, ucode_size, regs_size; + int i, regs_size, ucode_size; if (!rdev->mc_fw) return -EINVAL; + ucode_size = rdev->mc_fw->size / 4; + switch (rdev->family) { case CHIP_BONAIRE: io_mc_regs = (u32 *)&bonaire_io_mc_regs; - ucode_size = CIK_MC_UCODE_SIZE; regs_size = BONAIRE_IO_MC_REGS_SIZE; break; case CHIP_HAWAII: io_mc_regs = (u32 *)&hawaii_io_mc_regs; - ucode_size = HAWAII_MC_UCODE_SIZE; regs_size = HAWAII_IO_MC_REGS_SIZE; break; default: @@ -1782,7 +1784,7 @@ static int cik_init_microcode(struct radeon_device *rdev) const char *chip_name; size_t pfp_req_size, me_req_size, ce_req_size, mec_req_size, rlc_req_size, mc_req_size = 0, - sdma_req_size, smc_req_size = 0; + sdma_req_size, smc_req_size = 0, mc2_req_size = 0; char fw_name[30]; int err; @@ -1796,7 +1798,8 @@ static int cik_init_microcode(struct radeon_device *rdev) ce_req_size = CIK_CE_UCODE_SIZE * 4; mec_req_size = CIK_MEC_UCODE_SIZE * 4; rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4; - mc_req_size = CIK_MC_UCODE_SIZE * 4; + mc_req_size = BONAIRE_MC_UCODE_SIZE * 4; + mc2_req_size = BONAIRE_MC2_UCODE_SIZE * 4; sdma_req_size = CIK_SDMA_UCODE_SIZE * 4; smc_req_size = ALIGN(BONAIRE_SMC_UCODE_SIZE, 4); break; @@ -1808,6 +1811,7 @@ static int cik_init_microcode(struct radeon_device *rdev) mec_req_size = CIK_MEC_UCODE_SIZE * 4; rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4; mc_req_size = HAWAII_MC_UCODE_SIZE * 4; + mc2_req_size = HAWAII_MC2_UCODE_SIZE * 4; sdma_req_size = CIK_SDMA_UCODE_SIZE * 4; smc_req_size = ALIGN(HAWAII_SMC_UCODE_SIZE, 4); break; @@ -1903,16 +1907,22 @@ static int cik_init_microcode(struct radeon_device *rdev) /* No SMC, MC ucode on APUs */ if (!(rdev->flags & RADEON_IS_IGP)) { - snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name); err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev); - if (err) - goto out; - if (rdev->mc_fw->size != mc_req_size) { + if (err) { + snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev); + if (err) + goto out; + } + if ((rdev->mc_fw->size != mc_req_size) && + (rdev->mc_fw->size != mc2_req_size)){ printk(KERN_ERR "cik_mc: Bogus length %zu in firmware \"%s\"\n", rdev->mc_fw->size, fw_name); err = -EINVAL; } + DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size); snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name); err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); @@ -6521,8 +6531,8 @@ void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer) buffer[count++] = cpu_to_le32(0x00000000); break; case CHIP_HAWAII: - buffer[count++] = 0x3a00161a; - buffer[count++] = 0x0000002e; + buffer[count++] = cpu_to_le32(0x3a00161a); + buffer[count++] = cpu_to_le32(0x0000002e); break; default: buffer[count++] = cpu_to_le32(0x00000000); @@ -6662,6 +6672,19 @@ static void cik_disable_interrupt_state(struct radeon_device *rdev) WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } + /* pflip */ + if (rdev->num_crtc >= 2) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 4) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); + } + if (rdev->num_crtc >= 6) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); + } /* dac hotplug */ WREG32(DAC_AUTODETECT_INT_CONTROL, 0); @@ -7018,6 +7041,25 @@ int cik_irq_set(struct radeon_device *rdev) WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); } + if (rdev->num_crtc >= 2) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + } + if (rdev->num_crtc >= 4) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + } + if (rdev->num_crtc >= 6) { + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + } + WREG32(DC_HPD1_INT_CONTROL, hpd1); WREG32(DC_HPD2_INT_CONTROL, hpd2); WREG32(DC_HPD3_INT_CONTROL, hpd3); @@ -7054,6 +7096,29 @@ static inline void cik_irq_ack(struct radeon_device *rdev) rdev->irq.stat_regs.cik.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5); rdev->irq.stat_regs.cik.disp_int_cont6 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE6); + rdev->irq.stat_regs.cik.d1grph_int = RREG32(GRPH_INT_STATUS + + EVERGREEN_CRTC0_REGISTER_OFFSET); + rdev->irq.stat_regs.cik.d2grph_int = RREG32(GRPH_INT_STATUS + + EVERGREEN_CRTC1_REGISTER_OFFSET); + if (rdev->num_crtc >= 4) { + rdev->irq.stat_regs.cik.d3grph_int = RREG32(GRPH_INT_STATUS + + EVERGREEN_CRTC2_REGISTER_OFFSET); + rdev->irq.stat_regs.cik.d4grph_int = RREG32(GRPH_INT_STATUS + + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + rdev->irq.stat_regs.cik.d5grph_int = RREG32(GRPH_INT_STATUS + + EVERGREEN_CRTC4_REGISTER_OFFSET); + rdev->irq.stat_regs.cik.d6grph_int = RREG32(GRPH_INT_STATUS + + EVERGREEN_CRTC5_REGISTER_OFFSET); + } + + if (rdev->irq.stat_regs.cik.d1grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, + GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.cik.d2grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, + GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.cik.disp_int & LB_D1_VBLANK_INTERRUPT) WREG32(LB_VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.cik.disp_int & LB_D1_VLINE_INTERRUPT) @@ -7064,6 +7129,12 @@ static inline void cik_irq_ack(struct radeon_device *rdev) WREG32(LB_VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK); if (rdev->num_crtc >= 4) { + if (rdev->irq.stat_regs.cik.d3grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, + GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.cik.d4grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, + GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) WREG32(LB_VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.cik.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) @@ -7075,6 +7146,12 @@ static inline void cik_irq_ack(struct radeon_device *rdev) } if (rdev->num_crtc >= 6) { + if (rdev->irq.stat_regs.cik.d5grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, + GRPH_PFLIP_INT_CLEAR); + if (rdev->irq.stat_regs.cik.d6grph_int & GRPH_PFLIP_INT_OCCURRED) + WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, + GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) WREG32(LB_VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.cik.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) @@ -7426,6 +7503,15 @@ restart_ih: break; } break; + case 8: /* D1 page flip */ + case 10: /* D2 page flip */ + case 12: /* D3 page flip */ + case 14: /* D4 page flip */ + case 16: /* D5 page flip */ + case 18: /* D6 page flip */ + DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1); + radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1); + break; case 42: /* HPD hotplug */ switch (src_data) { case 0: diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index 94626ea90fa5..aac8f487e6df 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -599,7 +599,7 @@ int cik_sdma_ring_test(struct radeon_device *rdev, tmp = 0xCAFEDEAD; writel(tmp, ptr); - r = radeon_ring_lock(rdev, ring, 4); + r = radeon_ring_lock(rdev, ring, 5); if (r) { DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r); return r; diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index 98bae9d7b74d..a0a9f974cdd7 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -882,6 +882,15 @@ # define DC_HPD6_RX_INTERRUPT (1 << 18) #define DISP_INTERRUPT_STATUS_CONTINUE6 0x6780 +/* 0x6858, 0x7458, 0x10058, 0x10c58, 0x11858, 0x12458 */ +#define GRPH_INT_STATUS 0x6858 +# define GRPH_PFLIP_INT_OCCURRED (1 << 0) +# define GRPH_PFLIP_INT_CLEAR (1 << 8) +/* 0x685c, 0x745c, 0x1005c, 0x10c5c, 0x1185c, 0x1245c */ +#define GRPH_INT_CONTROL 0x685c +# define GRPH_PFLIP_INT_MASK (1 << 0) +# define GRPH_PFLIP_INT_TYPE (1 << 8) + #define DAC_AUTODETECT_INT_CONTROL 0x67c8 #define DC_HPD1_INT_STATUS 0x601c @@ -1736,12 +1745,12 @@ #define EOP_TC_WB_ACTION_EN (1 << 15) /* L2 */ #define EOP_TCL1_ACTION_EN (1 << 16) #define EOP_TC_ACTION_EN (1 << 17) /* L2 */ +#define EOP_TCL2_VOLATILE (1 << 24) #define EOP_CACHE_POLICY(x) ((x) << 25) /* 0 - LRU * 1 - Stream * 2 - Bypass */ -#define EOP_TCL2_VOLATILE (1 << 27) #define DATA_SEL(x) ((x) << 29) /* 0 - discard * 1 - send low 32bit data diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index cf783fc0ef21..cf777193c85f 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -1551,7 +1551,7 @@ int cypress_populate_smc_voltage_tables(struct radeon_device *rdev, table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] = - cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } return 0; diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 94e858751994..0a65dc7e93e7 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -309,11 +309,17 @@ int dce6_audio_init(struct radeon_device *rdev) rdev->audio.enabled = true; - if (ASIC_IS_DCE8(rdev)) + if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */ + rdev->audio.num_pins = 7; + else if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */ + rdev->audio.num_pins = 3; + else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */ + rdev->audio.num_pins = 7; + else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */ rdev->audio.num_pins = 6; - else if (ASIC_IS_DCE61(rdev)) - rdev->audio.num_pins = 4; - else + else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */ + rdev->audio.num_pins = 2; + else /* SI: 6 streams, 6 endpoints */ rdev->audio.num_pins = 6; for (i = 0; i < rdev->audio.num_pins; i++) { diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 27b0ff16082e..971d9339ce80 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4375,7 +4375,6 @@ int evergreen_irq_set(struct radeon_device *rdev) u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; u32 grbm_int_cntl = 0; - u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0; u32 dma_cntl, dma_cntl1 = 0; u32 thermal_int = 0; @@ -4558,15 +4557,21 @@ int evergreen_irq_set(struct radeon_device *rdev) WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); } - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); if (rdev->num_crtc >= 4) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); } if (rdev->num_crtc >= 6) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); } WREG32(DC_HPD1_INT_CONTROL, hpd1); @@ -4955,6 +4960,15 @@ restart_ih: break; } break; + case 8: /* D1 page flip */ + case 10: /* D2 page flip */ + case 12: /* D3 page flip */ + case 14: /* D4 page flip */ + case 16: /* D5 page flip */ + case 18: /* D6 page flip */ + DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1); + radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1); + break; case 42: /* HPD hotplug */ switch (src_data) { case 0: diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index ca814276b075..03f08a3cf864 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -1315,7 +1315,7 @@ static void ni_populate_smc_voltage_tables(struct radeon_device *rdev, table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = - cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } } diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 647ef4079217..f28ab840cc23 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3509,7 +3509,6 @@ int r600_irq_set(struct radeon_device *rdev) u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; u32 grbm_int_cntl = 0; u32 hdmi0, hdmi1; - u32 d1grph = 0, d2grph = 0; u32 dma_cntl; u32 thermal_int = 0; @@ -3618,8 +3617,8 @@ int r600_irq_set(struct radeon_device *rdev) WREG32(CP_INT_CNTL, cp_int_cntl); WREG32(DMA_CNTL, dma_cntl); WREG32(DxMODE_INT_MASK, mode_int); - WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph); - WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph); + WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); + WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); WREG32(GRBM_INT_CNTL, grbm_int_cntl); if (ASIC_IS_DCE3(rdev)) { WREG32(DC_HPD1_INT_CONTROL, hpd1); @@ -3922,6 +3921,14 @@ restart_ih: break; } break; + case 9: /* D1 pflip */ + DRM_DEBUG("IH: D1 flip\n"); + radeon_crtc_handle_flip(rdev, 0); + break; + case 11: /* D2 pflip */ + DRM_DEBUG("IH: D2 flip\n"); + radeon_crtc_handle_flip(rdev, 1); + break; case 19: /* HPD/DAC hotplug */ switch (src_data) { case 0: diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index e4cc9b314ce9..813db8de52b7 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -158,16 +158,18 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev) u32 line_time_us, vblank_lines; u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - radeon_crtc = to_radeon_crtc(crtc); - if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) { - line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) / - radeon_crtc->hw_mode.clock; - vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end - - radeon_crtc->hw_mode.crtc_vdisplay + - (radeon_crtc->v_border * 2); - vblank_time_us = vblank_lines * line_time_us; - break; + if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) { + line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) / + radeon_crtc->hw_mode.clock; + vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end - + radeon_crtc->hw_mode.crtc_vdisplay + + (radeon_crtc->v_border * 2); + vblank_time_us = vblank_lines * line_time_us; + break; + } } } @@ -181,14 +183,15 @@ u32 r600_dpm_get_vrefresh(struct radeon_device *rdev) struct radeon_crtc *radeon_crtc; u32 vrefresh = 0; - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - radeon_crtc = to_radeon_crtc(crtc); - if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) { - vrefresh = radeon_crtc->hw_mode.vrefresh; - break; + if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) { + vrefresh = radeon_crtc->hw_mode.vrefresh; + break; + } } } - return vrefresh; } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index e887d027b6d0..08e86f90c9a4 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -733,6 +733,12 @@ struct cik_irq_stat_regs { u32 disp_int_cont4; u32 disp_int_cont5; u32 disp_int_cont6; + u32 d1grph_int; + u32 d2grph_int; + u32 d3grph_int; + u32 d4grph_int; + u32 d5grph_int; + u32 d6grph_int; }; union radeon_irq_stat_regs { @@ -742,7 +748,7 @@ union radeon_irq_stat_regs { struct cik_irq_stat_regs cik; }; -#define RADEON_MAX_HPD_PINS 6 +#define RADEON_MAX_HPD_PINS 7 #define RADEON_MAX_CRTCS 6 #define RADEON_MAX_AFMT_BLOCKS 7 @@ -2242,6 +2248,7 @@ struct radeon_device { bool have_disp_power_ref; }; +bool radeon_is_px(struct drm_device *dev); int radeon_device_init(struct radeon_device *rdev, struct drm_device *ddev, struct pci_dev *pdev, @@ -2552,6 +2559,9 @@ void r100_pll_errata_after_index(struct radeon_device *rdev); #define ASIC_IS_DCE64(rdev) ((rdev->family == CHIP_OLAND)) #define ASIC_IS_NODCE(rdev) ((rdev->family == CHIP_HAINAN)) #define ASIC_IS_DCE8(rdev) ((rdev->family >= CHIP_BONAIRE)) +#define ASIC_IS_DCE81(rdev) ((rdev->family == CHIP_KAVERI)) +#define ASIC_IS_DCE82(rdev) ((rdev->family == CHIP_BONAIRE)) +#define ASIC_IS_DCE83(rdev) ((rdev->family == CHIP_KABINI)) #define ASIC_IS_LOMBOK(rdev) ((rdev->ddev->pdev->device == 0x6849) || \ (rdev->ddev->pdev->device == 0x6850) || \ diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index dda02bfc10a4..5600d4c5f981 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -2034,8 +2034,8 @@ static struct radeon_asic ci_asic = { .blit_ring_index = RADEON_RING_TYPE_GFX_INDEX, .dma = &cik_copy_dma, .dma_ring_index = R600_RING_TYPE_DMA_INDEX, - .copy = &cik_copy_dma, - .copy_ring_index = R600_RING_TYPE_DMA_INDEX, + .copy = &cik_copy_cpdma, + .copy_ring_index = RADEON_RING_TYPE_GFX_INDEX, }, .surface = { .set_reg = r600_set_surface_reg, diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index fa9a9c02751e..a9fb0d016d38 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -59,7 +59,7 @@ struct atpx_mux { u16 mux; } __packed; -bool radeon_is_px(void) { +bool radeon_has_atpx(void) { return radeon_atpx_priv.atpx_detected; } @@ -528,6 +528,13 @@ static bool radeon_atpx_detect(void) has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true); } + /* some newer PX laptops mark the dGPU as a non-VGA display device */ + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { + vga_count++; + + has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true); + } + if (has_atpx && vga_count == 2) { acpi_get_name(radeon_atpx_priv.atpx.handle, ACPI_FULL_PATHNAME, &buffer); printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n", diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index b3633d9a5317..9ab30976287d 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -196,6 +196,20 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev) } } + if (!found) { + while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) { + dhandle = ACPI_HANDLE(&pdev->dev); + if (!dhandle) + continue; + + status = acpi_get_handle(dhandle, "ATRM", &atrm_handle); + if (!ACPI_FAILURE(status)) { + found = true; + break; + } + } + } + if (!found) return false; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 82d4f865546e..4d36b9e86275 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1402,7 +1402,7 @@ bool radeon_connector_is_dp12_capable(struct drm_connector *connector) struct radeon_device *rdev = dev->dev_private; if (ASIC_IS_DCE5(rdev) && - (rdev->clock.dp_extclk >= 53900) && + (rdev->clock.default_dispclk >= 53900) && radeon_connector_encoder_is_hbr2(connector)) { return true; } diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index dfb5a1db87d4..7f2d6c0d11c1 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -97,6 +97,12 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p) uint32_t domain = r->write_domain ? r->write_domain : r->read_domains; + if (domain & RADEON_GEM_DOMAIN_CPU) { + DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid " + "for command submission\n"); + return -EINVAL; + } + p->relocs[i].lobj.domain = domain; if (domain == RADEON_GEM_DOMAIN_VRAM) domain |= RADEON_GEM_DOMAIN_GTT; @@ -276,10 +282,17 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) return -EINVAL; /* we only support VM on some SI+ rings */ - if ((p->rdev->asic->ring[p->ring]->cs_parse == NULL) && - ((p->cs_flags & RADEON_CS_USE_VM) == 0)) { - DRM_ERROR("Ring %d requires VM!\n", p->ring); - return -EINVAL; + if ((p->cs_flags & RADEON_CS_USE_VM) == 0) { + if (p->rdev->asic->ring[p->ring]->cs_parse == NULL) { + DRM_ERROR("Ring %d requires VM!\n", p->ring); + return -EINVAL; + } + } else { + if (p->rdev->asic->ring[p->ring]->ib_parse == NULL) { + DRM_ERROR("VM not supported on ring %d!\n", + p->ring); + return -EINVAL; + } } } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 044bc98fb459..0bf6f4a2bb97 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -102,11 +102,14 @@ static const char radeon_family_name[][16] = { "LAST", }; -#if defined(CONFIG_VGA_SWITCHEROO) -bool radeon_is_px(void); -#else -static inline bool radeon_is_px(void) { return false; } -#endif +bool radeon_is_px(struct drm_device *dev) +{ + struct radeon_device *rdev = dev->dev_private; + + if (rdev->flags & RADEON_IS_PX) + return true; + return false; +} /** * radeon_program_register_sequence - program an array of registers. @@ -1082,7 +1085,7 @@ static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero { struct drm_device *dev = pci_get_drvdata(pdev); - if (radeon_is_px() && state == VGA_SWITCHEROO_OFF) + if (radeon_is_px(dev) && state == VGA_SWITCHEROO_OFF) return; if (state == VGA_SWITCHEROO_ON) { @@ -1303,9 +1306,7 @@ int radeon_device_init(struct radeon_device *rdev, * ignore it */ vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); - if (radeon_runtime_pm == 1) - runtime = true; - if ((radeon_runtime_pm == -1) && radeon_is_px()) + if (rdev->flags & RADEON_IS_PX) runtime = true; vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime); if (runtime) @@ -1535,6 +1536,10 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon) radeon_restore_bios_scratch_regs(rdev); + /* set the power state here in case we are a PX system or headless */ + if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) + radeon_pm_compute_clocks(rdev); + if (fbcon) { radeon_fbdev_set_suspend(rdev, 0); console_unlock(); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index fbd8b930f2be..df6d0079d0af 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -282,6 +282,10 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) u32 update_pending; int vpos, hpos; + /* can happen during initialization */ + if (radeon_crtc == NULL) + return; + spin_lock_irqsave(&rdev->ddev->event_lock, flags); work = radeon_crtc->unpin_work; if (work == NULL || @@ -792,6 +796,7 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) if (radeon_connector->edid) { drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid); ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid); + drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid); return ret; } drm_mode_connector_update_edid_property(&radeon_connector->base, NULL); diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index f633c2782170..9c0056f0a68a 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -113,6 +113,7 @@ extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, unsigned int flags, int *vpos, int *hpos, ktime_t *stime, ktime_t *etime); +extern bool radeon_is_px(struct drm_device *dev); extern const struct drm_ioctl_desc radeon_ioctls_kms[]; extern int radeon_max_kms_ioctl; int radeon_mmap(struct file *filp, struct vm_area_struct *vma); @@ -142,11 +143,9 @@ void radeon_debugfs_cleanup(struct drm_minor *minor); #if defined(CONFIG_VGA_SWITCHEROO) void radeon_register_atpx_handler(void); void radeon_unregister_atpx_handler(void); -bool radeon_is_px(void); #else static inline void radeon_register_atpx_handler(void) {} static inline void radeon_unregister_atpx_handler(void) {} -static inline bool radeon_is_px(void) { return false; } #endif int radeon_no_wb; @@ -403,12 +402,7 @@ static int radeon_pmops_runtime_suspend(struct device *dev) struct drm_device *drm_dev = pci_get_drvdata(pdev); int ret; - if (radeon_runtime_pm == 0) { - pm_runtime_forbid(dev); - return -EBUSY; - } - - if (radeon_runtime_pm == -1 && !radeon_is_px()) { + if (!radeon_is_px(drm_dev)) { pm_runtime_forbid(dev); return -EBUSY; } @@ -432,10 +426,7 @@ static int radeon_pmops_runtime_resume(struct device *dev) struct drm_device *drm_dev = pci_get_drvdata(pdev); int ret; - if (radeon_runtime_pm == 0) - return -EINVAL; - - if (radeon_runtime_pm == -1 && !radeon_is_px()) + if (!radeon_is_px(drm_dev)) return -EINVAL; drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; @@ -460,14 +451,7 @@ static int radeon_pmops_runtime_idle(struct device *dev) struct drm_device *drm_dev = pci_get_drvdata(pdev); struct drm_crtc *crtc; - if (radeon_runtime_pm == 0) { - pm_runtime_forbid(dev); - return -EBUSY; - } - - /* are we PX enabled? */ - if (radeon_runtime_pm == -1 && !radeon_is_px()) { - DRM_DEBUG_DRIVER("failing to power off - not px\n"); + if (!radeon_is_px(drm_dev)) { pm_runtime_forbid(dev); return -EBUSY; } diff --git a/drivers/gpu/drm/radeon/radeon_family.h b/drivers/gpu/drm/radeon/radeon_family.h index 614ad549297f..9da5da4ffd17 100644 --- a/drivers/gpu/drm/radeon/radeon_family.h +++ b/drivers/gpu/drm/radeon/radeon_family.h @@ -115,6 +115,7 @@ enum radeon_chip_flags { RADEON_NEW_MEMMAP = 0x00400000UL, RADEON_IS_PCI = 0x00800000UL, RADEON_IS_IGPGART = 0x01000000UL, + RADEON_IS_PX = 0x02000000UL, }; #endif diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 66ed3ea71440..ea34a31d3bc8 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -35,9 +35,9 @@ #include <linux/pm_runtime.h> #if defined(CONFIG_VGA_SWITCHEROO) -bool radeon_is_px(void); +bool radeon_has_atpx(void); #else -static inline bool radeon_is_px(void) { return false; } +static inline bool radeon_has_atpx(void) { return false; } #endif /** @@ -107,6 +107,11 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) flags |= RADEON_IS_PCI; } + if ((radeon_runtime_pm != 0) && + radeon_has_atpx() && + ((flags & RADEON_IS_IGP) == 0)) + flags |= RADEON_IS_PX; + /* radeon_device_init should report only fatal error * like memory allocation failure or iomapping failure, * or memory manager initialization failure, it must @@ -137,8 +142,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) "Error during ACPI methods call\n"); } - if ((radeon_runtime_pm == 1) || - ((radeon_runtime_pm == -1) && radeon_is_px())) { + if (radeon_is_px(dev)) { pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); pm_runtime_set_active(dev->dev); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 08595cf90b01..11bb88afbac1 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -586,22 +586,30 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo) rbo = container_of(bo, struct radeon_bo, tbo); radeon_bo_check_tiling(rbo, 0, 0); rdev = rbo->rdev; - if (bo->mem.mem_type == TTM_PL_VRAM) { - size = bo->mem.num_pages << PAGE_SHIFT; - offset = bo->mem.start << PAGE_SHIFT; - if ((offset + size) > rdev->mc.visible_vram_size) { - /* hurrah the memory is not visible ! */ - radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM); - rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT; - r = ttm_bo_validate(bo, &rbo->placement, false, false); - if (unlikely(r != 0)) - return r; - offset = bo->mem.start << PAGE_SHIFT; - /* this should not happen */ - if ((offset + size) > rdev->mc.visible_vram_size) - return -EINVAL; - } + if (bo->mem.mem_type != TTM_PL_VRAM) + return 0; + + size = bo->mem.num_pages << PAGE_SHIFT; + offset = bo->mem.start << PAGE_SHIFT; + if ((offset + size) <= rdev->mc.visible_vram_size) + return 0; + + /* hurrah the memory is not visible ! */ + radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM); + rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT; + r = ttm_bo_validate(bo, &rbo->placement, false, false); + if (unlikely(r == -ENOMEM)) { + radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT); + return ttm_bo_validate(bo, &rbo->placement, false, false); + } else if (unlikely(r != 0)) { + return r; } + + offset = bo->mem.start << PAGE_SHIFT; + /* this should never happen */ + if ((offset + size) > rdev->mc.visible_vram_size) + return -EINVAL; + return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 8e8153e471c2..f77d9d0d54b5 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -361,6 +361,11 @@ static ssize_t radeon_set_pm_profile(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct radeon_device *rdev = ddev->dev_private; + /* Can't set profile when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + mutex_lock(&rdev->pm.mutex); if (rdev->pm.pm_method == PM_METHOD_PROFILE) { if (strncmp("default", buf, strlen("default")) == 0) @@ -409,6 +414,13 @@ static ssize_t radeon_set_pm_method(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct radeon_device *rdev = ddev->dev_private; + /* Can't set method when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) { + count = -EINVAL; + goto fail; + } + /* we don't support the legacy modes with dpm */ if (rdev->pm.pm_method == PM_METHOD_DPM) { count = -EINVAL; @@ -446,6 +458,10 @@ static ssize_t radeon_get_dpm_state(struct device *dev, struct radeon_device *rdev = ddev->dev_private; enum radeon_pm_state_type pm = rdev->pm.dpm.user_state; + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return snprintf(buf, PAGE_SIZE, "off\n"); + return snprintf(buf, PAGE_SIZE, "%s\n", (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance"); @@ -459,6 +475,11 @@ static ssize_t radeon_set_dpm_state(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct radeon_device *rdev = ddev->dev_private; + /* Can't set dpm state when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + mutex_lock(&rdev->pm.mutex); if (strncmp("battery", buf, strlen("battery")) == 0) rdev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY; @@ -485,6 +506,10 @@ static ssize_t radeon_get_dpm_forced_performance_level(struct device *dev, struct radeon_device *rdev = ddev->dev_private; enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level; + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return snprintf(buf, PAGE_SIZE, "off\n"); + return snprintf(buf, PAGE_SIZE, "%s\n", (level == RADEON_DPM_FORCED_LEVEL_AUTO) ? "auto" : (level == RADEON_DPM_FORCED_LEVEL_LOW) ? "low" : "high"); @@ -500,6 +525,11 @@ static ssize_t radeon_set_dpm_forced_performance_level(struct device *dev, enum radeon_dpm_forced_level level; int ret = 0; + /* Can't force performance level when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + mutex_lock(&rdev->pm.mutex); if (strncmp("low", buf, strlen("low")) == 0) { level = RADEON_DPM_FORCED_LEVEL_LOW; @@ -538,8 +568,14 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev, char *buf) { struct radeon_device *rdev = dev_get_drvdata(dev); + struct drm_device *ddev = rdev->ddev; int temp; + /* Can't get temperature when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (rdev->asic->pm.get_temperature) temp = radeon_get_temperature(rdev); else @@ -603,7 +639,6 @@ static const struct attribute_group *hwmon_groups[] = { static int radeon_hwmon_init(struct radeon_device *rdev) { int err = 0; - struct device *hwmon_dev; switch (rdev->pm.int_thermal_type) { case THERMAL_TYPE_RV6XX: @@ -616,11 +651,11 @@ static int radeon_hwmon_init(struct radeon_device *rdev) case THERMAL_TYPE_KV: if (rdev->asic->pm.get_temperature == NULL) return err; - hwmon_dev = hwmon_device_register_with_groups(rdev->dev, - "radeon", rdev, - hwmon_groups); - if (IS_ERR(hwmon_dev)) { - err = PTR_ERR(hwmon_dev); + rdev->pm.int_hwmon_dev = hwmon_device_register_with_groups(rdev->dev, + "radeon", rdev, + hwmon_groups); + if (IS_ERR(rdev->pm.int_hwmon_dev)) { + err = PTR_ERR(rdev->pm.int_hwmon_dev); dev_err(rdev->dev, "Unable to register hwmon device: %d\n", err); } @@ -632,6 +667,12 @@ static int radeon_hwmon_init(struct radeon_device *rdev) return err; } +static void radeon_hwmon_fini(struct radeon_device *rdev) +{ + if (rdev->pm.int_hwmon_dev) + hwmon_device_unregister(rdev->pm.int_hwmon_dev); +} + static void radeon_dpm_thermal_work_handler(struct work_struct *work) { struct radeon_device *rdev = @@ -1041,7 +1082,6 @@ static void radeon_pm_resume_dpm(struct radeon_device *rdev) if (ret) goto dpm_resume_fail; rdev->pm.dpm_enabled = true; - radeon_pm_compute_clocks(rdev); return; dpm_resume_fail: @@ -1235,6 +1275,7 @@ int radeon_pm_init(struct radeon_device *rdev) case CHIP_RV670: case CHIP_RS780: case CHIP_RS880: + case CHIP_RV770: case CHIP_BARTS: case CHIP_TURKS: case CHIP_CAICOS: @@ -1251,7 +1292,6 @@ int radeon_pm_init(struct radeon_device *rdev) else rdev->pm.pm_method = PM_METHOD_PROFILE; break; - case CHIP_RV770: case CHIP_RV730: case CHIP_RV710: case CHIP_RV740: @@ -1331,6 +1371,8 @@ static void radeon_pm_fini_old(struct radeon_device *rdev) device_remove_file(rdev->dev, &dev_attr_power_method); } + radeon_hwmon_fini(rdev); + if (rdev->pm.power_state) kfree(rdev->pm.power_state); } @@ -1350,6 +1392,8 @@ static void radeon_pm_fini_dpm(struct radeon_device *rdev) } radeon_dpm_fini(rdev); + radeon_hwmon_fini(rdev); + if (rdev->pm.power_state) kfree(rdev->pm.power_state); } @@ -1375,12 +1419,14 @@ static void radeon_pm_compute_clocks_old(struct radeon_device *rdev) rdev->pm.active_crtcs = 0; rdev->pm.active_crtc_count = 0; - list_for_each_entry(crtc, - &ddev->mode_config.crtc_list, head) { - radeon_crtc = to_radeon_crtc(crtc); - if (radeon_crtc->enabled) { - rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); - rdev->pm.active_crtc_count++; + if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, + &ddev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (radeon_crtc->enabled) { + rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); + rdev->pm.active_crtc_count++; + } } } @@ -1447,12 +1493,14 @@ static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev) /* update active crtc counts */ rdev->pm.dpm.new_active_crtcs = 0; rdev->pm.dpm.new_active_crtc_count = 0; - list_for_each_entry(crtc, - &ddev->mode_config.crtc_list, head) { - radeon_crtc = to_radeon_crtc(crtc); - if (crtc->enabled) { - rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id); - rdev->pm.dpm.new_active_crtc_count++; + if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, + &ddev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (crtc->enabled) { + rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id); + rdev->pm.dpm.new_active_crtc_count++; + } } } @@ -1578,8 +1626,12 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct radeon_device *rdev = dev->dev_private; + struct drm_device *ddev = rdev->ddev; - if (rdev->pm.dpm_enabled) { + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) { + seq_printf(m, "PX asic powered off\n"); + } else if (rdev->pm.dpm_enabled) { mutex_lock(&rdev->pm.mutex); if (rdev->asic->dpm.debugfs_print_current_performance_level) radeon_dpm_debugfs_print_current_performance_level(rdev, m); diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 15e44a7281ab..8391fca52a58 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -257,6 +257,7 @@ int radeon_ib_ring_tests(struct radeon_device *rdev) r = radeon_ib_test(rdev, i, ring); if (r) { ring->ready = false; + rdev->needs_reset = false; if (i == RADEON_RING_TYPE_GFX_INDEX) { /* oh, oh, that's really bad */ diff --git a/drivers/gpu/drm/radeon/radeon_ucode.h b/drivers/gpu/drm/radeon/radeon_ucode.h index a77cd274dfc3..58d12938c0b8 100644 --- a/drivers/gpu/drm/radeon/radeon_ucode.h +++ b/drivers/gpu/drm/radeon/radeon_ucode.h @@ -57,9 +57,14 @@ #define BTC_MC_UCODE_SIZE 6024 #define CAYMAN_MC_UCODE_SIZE 6037 #define SI_MC_UCODE_SIZE 7769 +#define TAHITI_MC_UCODE_SIZE 7808 +#define PITCAIRN_MC_UCODE_SIZE 7775 +#define VERDE_MC_UCODE_SIZE 7875 #define OLAND_MC_UCODE_SIZE 7863 -#define CIK_MC_UCODE_SIZE 7866 +#define BONAIRE_MC_UCODE_SIZE 7866 +#define BONAIRE_MC2_UCODE_SIZE 7948 #define HAWAII_MC_UCODE_SIZE 7933 +#define HAWAII_MC2_UCODE_SIZE 8091 /* SDMA */ #define CIK_SDMA_UCODE_SIZE 1050 diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 3e6804b2b2ef..414e07928693 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -465,6 +465,10 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, cmd = radeon_get_ib_value(p, p->idx) >> 1; if (cmd < 0x4) { + if (end <= start) { + DRM_ERROR("invalid reloc offset %X!\n", offset); + return -EINVAL; + } if ((end - start) < buf_sizes[cmd]) { DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, (unsigned)(end - start), buf_sizes[cmd]); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 9a124d0608b3..cb7508dc94f3 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -39,30 +39,35 @@ MODULE_FIRMWARE("radeon/TAHITI_pfp.bin"); MODULE_FIRMWARE("radeon/TAHITI_me.bin"); MODULE_FIRMWARE("radeon/TAHITI_ce.bin"); MODULE_FIRMWARE("radeon/TAHITI_mc.bin"); +MODULE_FIRMWARE("radeon/TAHITI_mc2.bin"); MODULE_FIRMWARE("radeon/TAHITI_rlc.bin"); MODULE_FIRMWARE("radeon/TAHITI_smc.bin"); MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin"); MODULE_FIRMWARE("radeon/PITCAIRN_me.bin"); MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin"); MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin"); +MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin"); MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin"); MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin"); MODULE_FIRMWARE("radeon/VERDE_pfp.bin"); MODULE_FIRMWARE("radeon/VERDE_me.bin"); MODULE_FIRMWARE("radeon/VERDE_ce.bin"); MODULE_FIRMWARE("radeon/VERDE_mc.bin"); +MODULE_FIRMWARE("radeon/VERDE_mc2.bin"); MODULE_FIRMWARE("radeon/VERDE_rlc.bin"); MODULE_FIRMWARE("radeon/VERDE_smc.bin"); MODULE_FIRMWARE("radeon/OLAND_pfp.bin"); MODULE_FIRMWARE("radeon/OLAND_me.bin"); MODULE_FIRMWARE("radeon/OLAND_ce.bin"); MODULE_FIRMWARE("radeon/OLAND_mc.bin"); +MODULE_FIRMWARE("radeon/OLAND_mc2.bin"); MODULE_FIRMWARE("radeon/OLAND_rlc.bin"); MODULE_FIRMWARE("radeon/OLAND_smc.bin"); MODULE_FIRMWARE("radeon/HAINAN_pfp.bin"); MODULE_FIRMWARE("radeon/HAINAN_me.bin"); MODULE_FIRMWARE("radeon/HAINAN_ce.bin"); MODULE_FIRMWARE("radeon/HAINAN_mc.bin"); +MODULE_FIRMWARE("radeon/HAINAN_mc2.bin"); MODULE_FIRMWARE("radeon/HAINAN_rlc.bin"); MODULE_FIRMWARE("radeon/HAINAN_smc.bin"); @@ -1467,36 +1472,33 @@ int si_mc_load_microcode(struct radeon_device *rdev) const __be32 *fw_data; u32 running, blackout = 0; u32 *io_mc_regs; - int i, ucode_size, regs_size; + int i, regs_size, ucode_size; if (!rdev->mc_fw) return -EINVAL; + ucode_size = rdev->mc_fw->size / 4; + switch (rdev->family) { case CHIP_TAHITI: io_mc_regs = (u32 *)&tahiti_io_mc_regs; - ucode_size = SI_MC_UCODE_SIZE; regs_size = TAHITI_IO_MC_REGS_SIZE; break; case CHIP_PITCAIRN: io_mc_regs = (u32 *)&pitcairn_io_mc_regs; - ucode_size = SI_MC_UCODE_SIZE; regs_size = TAHITI_IO_MC_REGS_SIZE; break; case CHIP_VERDE: default: io_mc_regs = (u32 *)&verde_io_mc_regs; - ucode_size = SI_MC_UCODE_SIZE; regs_size = TAHITI_IO_MC_REGS_SIZE; break; case CHIP_OLAND: io_mc_regs = (u32 *)&oland_io_mc_regs; - ucode_size = OLAND_MC_UCODE_SIZE; regs_size = TAHITI_IO_MC_REGS_SIZE; break; case CHIP_HAINAN: io_mc_regs = (u32 *)&hainan_io_mc_regs; - ucode_size = OLAND_MC_UCODE_SIZE; regs_size = TAHITI_IO_MC_REGS_SIZE; break; } @@ -1552,7 +1554,7 @@ static int si_init_microcode(struct radeon_device *rdev) const char *chip_name; const char *rlc_chip_name; size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size; - size_t smc_req_size; + size_t smc_req_size, mc2_req_size; char fw_name[30]; int err; @@ -1567,6 +1569,7 @@ static int si_init_microcode(struct radeon_device *rdev) ce_req_size = SI_CE_UCODE_SIZE * 4; rlc_req_size = SI_RLC_UCODE_SIZE * 4; mc_req_size = SI_MC_UCODE_SIZE * 4; + mc2_req_size = TAHITI_MC_UCODE_SIZE * 4; smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4); break; case CHIP_PITCAIRN: @@ -1577,6 +1580,7 @@ static int si_init_microcode(struct radeon_device *rdev) ce_req_size = SI_CE_UCODE_SIZE * 4; rlc_req_size = SI_RLC_UCODE_SIZE * 4; mc_req_size = SI_MC_UCODE_SIZE * 4; + mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4; smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4); break; case CHIP_VERDE: @@ -1587,6 +1591,7 @@ static int si_init_microcode(struct radeon_device *rdev) ce_req_size = SI_CE_UCODE_SIZE * 4; rlc_req_size = SI_RLC_UCODE_SIZE * 4; mc_req_size = SI_MC_UCODE_SIZE * 4; + mc2_req_size = VERDE_MC_UCODE_SIZE * 4; smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4); break; case CHIP_OLAND: @@ -1596,7 +1601,7 @@ static int si_init_microcode(struct radeon_device *rdev) me_req_size = SI_PM4_UCODE_SIZE * 4; ce_req_size = SI_CE_UCODE_SIZE * 4; rlc_req_size = SI_RLC_UCODE_SIZE * 4; - mc_req_size = OLAND_MC_UCODE_SIZE * 4; + mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4; smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4); break; case CHIP_HAINAN: @@ -1606,7 +1611,7 @@ static int si_init_microcode(struct radeon_device *rdev) me_req_size = SI_PM4_UCODE_SIZE * 4; ce_req_size = SI_CE_UCODE_SIZE * 4; rlc_req_size = SI_RLC_UCODE_SIZE * 4; - mc_req_size = OLAND_MC_UCODE_SIZE * 4; + mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4; smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4); break; default: BUG(); @@ -1659,16 +1664,22 @@ static int si_init_microcode(struct radeon_device *rdev) err = -EINVAL; } - snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name); err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev); - if (err) - goto out; - if (rdev->mc_fw->size != mc_req_size) { + if (err) { + snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev); + if (err) + goto out; + } + if ((rdev->mc_fw->size != mc_req_size) && + (rdev->mc_fw->size != mc2_req_size)) { printk(KERN_ERR "si_mc: Bogus length %zu in firmware \"%s\"\n", rdev->mc_fw->size, fw_name); err = -EINVAL; } + DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size); snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name); err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); @@ -5777,7 +5788,6 @@ int si_irq_set(struct radeon_device *rdev) u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; u32 hpd1 = 0, hpd2 = 0, hpd3 = 0, hpd4 = 0, hpd5 = 0, hpd6 = 0; u32 grbm_int_cntl = 0; - u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; u32 dma_cntl, dma_cntl1; u32 thermal_int = 0; @@ -5916,16 +5926,22 @@ int si_irq_set(struct radeon_device *rdev) } if (rdev->num_crtc >= 2) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); } if (rdev->num_crtc >= 4) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); } if (rdev->num_crtc >= 6) { - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); - WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); + WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, + GRPH_PFLIP_INT_MASK); } if (!ASIC_IS_NODCE(rdev)) { @@ -6289,6 +6305,15 @@ restart_ih: break; } break; + case 8: /* D1 page flip */ + case 10: /* D2 page flip */ + case 12: /* D3 page flip */ + case 14: /* D4 page flip */ + case 16: /* D5 page flip */ + case 18: /* D6 page flip */ + DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1); + radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1); + break; case 42: /* HPD hotplug */ switch (src_data) { case 0: diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 9239a6d29128..3007cddc7e70 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -107,8 +107,8 @@ #define SPLL_CHG_STATUS (1 << 1) #define SPLL_CNTL_MODE 0x618 #define SPLL_SW_DIR_CONTROL (1 << 0) -# define SPLL_REFCLK_SEL(x) ((x) << 8) -# define SPLL_REFCLK_SEL_MASK 0xFF00 +# define SPLL_REFCLK_SEL(x) ((x) << 26) +# define SPLL_REFCLK_SEL_MASK (3 << 26) #define CG_SPLL_SPREAD_SPECTRUM 0x620 #define SSEN (1 << 0) diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c index d4a68af1a279..c310a0aeebb9 100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@ -83,7 +83,10 @@ int uvd_v1_0_init(struct radeon_device *rdev) int r; /* raise clocks while booting up the VCPU */ - radeon_set_uvd_clocks(rdev, 53300, 40000); + if (rdev->family < CHIP_RV740) + radeon_set_uvd_clocks(rdev, 10000, 10000); + else + radeon_set_uvd_clocks(rdev, 53300, 40000); r = uvd_v1_0_start(rdev); if (r) @@ -407,7 +410,10 @@ int uvd_v1_0_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) struct radeon_fence *fence = NULL; int r; - r = radeon_set_uvd_clocks(rdev, 53300, 40000); + if (rdev->family < CHIP_RV740) + r = radeon_set_uvd_clocks(rdev, 10000, 10000); + else + r = radeon_set_uvd_clocks(rdev, 53300, 40000); if (r) { DRM_ERROR("radeon: failed to raise UVD clocks (%d).\n", r); return r; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c index 1e80152674b5..4fbcfdb02360 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c @@ -117,10 +117,10 @@ static void vmw_hw_context_destroy(struct vmw_resource *res) (void) vmw_context_binding_state_kill (&container_of(res, struct vmw_user_context, res)->cbs); (void) vmw_gb_context_destroy(res); + mutex_unlock(&dev_priv->binding_mutex); if (dev_priv->pinned_bo != NULL && !dev_priv->query_cid_valid) __vmw_execbuf_release_pinned_bo(dev_priv, NULL); - mutex_unlock(&dev_priv->binding_mutex); mutex_unlock(&dev_priv->cmdbuf_mutex); return; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index efb575a7996c..a3480c13eb1b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -1214,14 +1214,36 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv, SVGA3dCmdSurfaceDMA dma; } *cmd; int ret; + SVGA3dCmdSurfaceDMASuffix *suffix; + uint32_t bo_size; cmd = container_of(header, struct vmw_dma_cmd, header); + suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->dma + + header->size - sizeof(*suffix)); + + /* Make sure device and verifier stays in sync. */ + if (unlikely(suffix->suffixSize != sizeof(*suffix))) { + DRM_ERROR("Invalid DMA suffix size.\n"); + return -EINVAL; + } + ret = vmw_translate_guest_ptr(dev_priv, sw_context, &cmd->dma.guest.ptr, &vmw_bo); if (unlikely(ret != 0)) return ret; + /* Make sure DMA doesn't cross BO boundaries. */ + bo_size = vmw_bo->base.num_pages * PAGE_SIZE; + if (unlikely(cmd->dma.guest.ptr.offset > bo_size)) { + DRM_ERROR("Invalid DMA offset.\n"); + return -EINVAL; + } + + bo_size -= cmd->dma.guest.ptr.offset; + if (unlikely(suffix->maximumOffset > bo_size)) + suffix->maximumOffset = bo_size; + ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface, user_surface_converter, &cmd->dma.host.sid, NULL); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index ed5ce2a41bbf..1b0f34bd3a03 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -147,7 +147,7 @@ static int vmw_fb_check_var(struct fb_var_screeninfo *var, } if (!vmw_kms_validate_mode_vram(vmw_priv, - info->fix.line_length, + var->xres * var->bits_per_pixel/8, var->yoffset + var->yres)) { DRM_ERROR("Requested geom can not fit in framebuffer\n"); return -EINVAL; @@ -162,6 +162,8 @@ static int vmw_fb_set_par(struct fb_info *info) struct vmw_private *vmw_priv = par->vmw_priv; int ret; + info->fix.line_length = info->var.xres * info->var.bits_per_pixel/8; + ret = vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres, info->fix.line_length, par->bpp, par->depth); diff --git a/drivers/gpu/host1x/hw/intr_hw.c b/drivers/gpu/host1x/hw/intr_hw.c index db9017adfe2b..498b37e39058 100644 --- a/drivers/gpu/host1x/hw/intr_hw.c +++ b/drivers/gpu/host1x/hw/intr_hw.c @@ -47,7 +47,7 @@ static irqreturn_t syncpt_thresh_isr(int irq, void *dev_id) unsigned long reg; int i, id; - for (i = 0; i <= BIT_WORD(host->info->nb_pts); i++) { + for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); i++) { reg = host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(i)); for_each_set_bit(id, ®, BITS_PER_LONG) { @@ -64,7 +64,7 @@ static void _host1x_intr_disable_all_syncpt_intrs(struct host1x *host) { u32 i; - for (i = 0; i <= BIT_WORD(host->info->nb_pts); ++i) { + for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); ++i) { host1x_sync_writel(host, 0xffffffffu, HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(i)); host1x_sync_writel(host, 0xffffffffu, diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index ec0ae2d1686a..6866448083b2 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -623,7 +623,8 @@ static int vga_switcheroo_runtime_suspend(struct device *dev) ret = dev->bus->pm->runtime_suspend(dev); if (ret) return ret; - + if (vgasr_priv.handler->switchto) + vgasr_priv.handler->switchto(VGA_SWITCHEROO_IGD); vga_switcheroo_power_switch(pdev, VGA_SWITCHEROO_OFF); return 0; } diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index cc32a6f96c64..7cd42ea30d6d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -718,6 +718,9 @@ static int hid_scan_main(struct hid_parser *parser, struct hid_item *item) case HID_MAIN_ITEM_TAG_END_COLLECTION: break; case HID_MAIN_ITEM_TAG_INPUT: + /* ignore constant inputs, they will be ignored by hid-input */ + if (data & HID_MAIN_ITEM_CONSTANT) + break; for (i = 0; i < parser->local.usage_index; i++) hid_scan_input_usage(parser, parser->local.usage[i]); break; @@ -839,7 +842,17 @@ struct hid_report *hid_validate_values(struct hid_device *hid, * ->numbered being checked, which may not always be the case when * drivers go to access report values. */ - report = hid->report_enum[type].report_id_hash[id]; + if (id == 0) { + /* + * Validating on id 0 means we should examine the first + * report in the list. + */ + report = list_entry( + hid->report_enum[type].report_list.next, + struct hid_report, list); + } else { + report = hid->report_enum[type].report_id_hash[id]; + } if (!report) { hid_err(hid, "missing %s %u\n", hid_report_names[type], id); return NULL; @@ -1780,8 +1793,6 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 22f28d6b33a8..6e12cd0317f6 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -624,8 +624,6 @@ #define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 #define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730 #define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c -#define USB_DEVICE_ID_MS_TOUCH_COVER_2 0x07a7 -#define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9 #define USB_VENDOR_ID_MOJO 0x8282 #define USB_DEVICE_ID_RETRO_ADAPTER 0x3201 @@ -830,6 +828,7 @@ #define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10 #define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3 #define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3 +#define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710 #define USB_VENDOR_ID_THINGM 0x27b8 #define USB_DEVICE_ID_BLINK1 0x01ed diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 404a3a8a82f1..c6ef6eed3091 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -208,10 +208,6 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), .driver_data = MS_DUPLICATE_USAGES }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2), - .driver_data = 0 }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2), - .driver_data = 0 }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), .driver_data = MS_PRESENTER }, diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index dbd83878ff99..8e4ddb369883 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -119,6 +119,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_HD, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103, HID_QUIRK_NO_INIT_REPORTS }, { 0, 0 } }; diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 2e7801af466e..05827eccc53a 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -224,8 +224,8 @@ cleanup: vmbus_connection.int_page = NULL; } - free_pages((unsigned long)vmbus_connection.monitor_pages[0], 1); - free_pages((unsigned long)vmbus_connection.monitor_pages[1], 1); + free_pages((unsigned long)vmbus_connection.monitor_pages[0], 0); + free_pages((unsigned long)vmbus_connection.monitor_pages[1], 0); vmbus_connection.monitor_pages[0] = NULL; vmbus_connection.monitor_pages[1] = NULL; diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 7e17a5495e02..393fd8a98735 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -19,6 +19,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> +#include <linux/jiffies.h> #include <linux/mman.h> #include <linux/delay.h> #include <linux/init.h> @@ -459,6 +460,11 @@ static bool do_hot_add; */ static uint pressure_report_delay = 45; +/* + * The last time we posted a pressure report to host. + */ +static unsigned long last_post_time; + module_param(hot_add, bool, (S_IRUGO | S_IWUSR)); MODULE_PARM_DESC(hot_add, "If set attempt memory hot_add"); @@ -542,6 +548,7 @@ struct hv_dynmem_device { static struct hv_dynmem_device dm_device; +static void post_status(struct hv_dynmem_device *dm); #ifdef CONFIG_MEMORY_HOTPLUG static void hv_bring_pgs_online(unsigned long start_pfn, unsigned long size) @@ -612,7 +619,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size, * have not been "onlined" within the allowed time. */ wait_for_completion_timeout(&dm_device.ol_waitevent, 5*HZ); - + post_status(&dm_device); } return; @@ -951,11 +958,17 @@ static void post_status(struct hv_dynmem_device *dm) { struct dm_status status; struct sysinfo val; + unsigned long now = jiffies; + unsigned long last_post = last_post_time; if (pressure_report_delay > 0) { --pressure_report_delay; return; } + + if (!time_after(now, (last_post_time + HZ))) + return; + si_meminfo(&val); memset(&status, 0, sizeof(struct dm_status)); status.hdr.type = DM_STATUS_REPORT; @@ -983,6 +996,14 @@ static void post_status(struct hv_dynmem_device *dm) if (status.hdr.trans_id != atomic_read(&trans_id)) return; + /* + * If the last post time that we sampled has changed, + * we have raced, don't post the status. + */ + if (last_post != last_post_time) + return; + + last_post_time = jiffies; vmbus_sendpacket(dm->dev->channel, &status, sizeof(struct dm_status), (unsigned long)NULL, @@ -1117,7 +1138,7 @@ static void balloon_up(struct work_struct *dummy) if (ret == -EAGAIN) msleep(20); - + post_status(&dm_device); } while (ret == -EAGAIN); if (ret) { @@ -1144,8 +1165,10 @@ static void balloon_down(struct hv_dynmem_device *dm, struct dm_unballoon_response resp; int i; - for (i = 0; i < range_count; i++) + for (i = 0; i < range_count; i++) { free_balloon_pages(dm, &range_array[i]); + post_status(&dm_device); + } if (req->more_pages == 1) return; diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 5ce43d8dfa98..7703e3bc604b 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -971,7 +971,7 @@ config SENSORS_NCT6775 config SENSORS_NTC_THERMISTOR tristate "NTC thermistor support" - depends on (!OF && !IIO) || (OF && IIO) + depends on !OF || IIO=n || IIO help This driver supports NTC thermistors sensor reading and its interpretation. The driver can also monitor the temperature and diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index bbb0b0d463f7..15993103c1a2 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -369,12 +369,12 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) if (cpu_has_tjmax(c)) dev_warn(dev, "Unable to read TjMax from CPU %u\n", id); } else { - val = (eax >> 16) & 0x7f; + val = (eax >> 16) & 0xff; /* * If the TjMax is not plausible, an assumption * will be used */ - if (val >= 85) { + if (val) { dev_dbg(dev, "TjMax is %d degrees C\n", val); return val * 1000; } diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 90ec1173b8a1..01723f04fe45 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -163,7 +163,7 @@ static ssize_t store_hyst(struct device *dev, if (retval < 0) goto fail; - hyst = val - retval * 1000; + hyst = retval * 1000 - val; hyst = DIV_ROUND_CLOSEST(hyst, 1000); if (hyst < 0 || hyst > 255) { retval = -ERANGE; @@ -330,7 +330,7 @@ static int emc1403_detect(struct i2c_client *client, } id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG); - if (id != 0x01) + if (id < 0x01 || id > 0x04) return -ENODEV; return 0; @@ -355,9 +355,9 @@ static int emc1403_probe(struct i2c_client *client, if (id->driver_data) data->groups[1] = &emc1404_group; - hwmon_dev = hwmon_device_register_with_groups(&client->dev, - client->name, data, - data->groups); + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + data->groups); if (IS_ERR(hwmon_dev)) return PTR_ERR(hwmon_dev); diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 93d26e8af3e2..bfd3f3eeabcd 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -148,7 +148,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg) switch (reg) { case INA2XX_SHUNT_VOLTAGE: - val = DIV_ROUND_CLOSEST(data->regs[reg], + /* signed register */ + val = DIV_ROUND_CLOSEST((s16)data->regs[reg], data->config->shunt_div); break; case INA2XX_BUS_VOLTAGE: @@ -160,8 +161,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg) val = data->regs[reg] * data->config->power_lsb; break; case INA2XX_CURRENT: - /* LSB=1mA (selected). Is in mA */ - val = data->regs[reg]; + /* signed register, LSB=1mA (selected), in mA */ + val = (s16)data->regs[reg]; break; default: /* programmer goofed */ diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 8a17f01e8672..e76feb86a1d4 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -44,6 +44,7 @@ struct ntc_compensation { unsigned int ohm; }; +/* Order matters, ntc_match references the entries by index */ static const struct platform_device_id ntc_thermistor_id[] = { { "ncp15wb473", TYPE_NCPXXWB473 }, { "ncp18wb473", TYPE_NCPXXWB473 }, @@ -141,7 +142,7 @@ struct ntc_data { char name[PLATFORM_NAME_SIZE]; }; -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO) static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; @@ -163,15 +164,15 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) static const struct of_device_id ntc_match[] = { { .compatible = "ntc,ncp15wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[0] }, { .compatible = "ntc,ncp18wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[1] }, { .compatible = "ntc,ncp21wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[2] }, { .compatible = "ntc,ncp03wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[3] }, { .compatible = "ntc,ncp15wl333", - .data = &ntc_thermistor_id[TYPE_NCPXXWL333] }, + .data = &ntc_thermistor_id[4] }, { }, }; MODULE_DEVICE_TABLE(of, ntc_match); @@ -223,6 +224,8 @@ ntc_thermistor_parse_dt(struct platform_device *pdev) return NULL; } +#define ntc_match NULL + static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata) { } #endif diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index de17c5593d97..c5eec0290b37 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -110,6 +110,7 @@ config I2C_I801 Wellsburg (PCH) Coleto Creek (PCH) Wildcat Point-LP (PCH) + BayTrail (SOC) This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index 14c4b30d4ccc..d95b93016b0d 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -417,6 +417,9 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev) */ dw_writel(dev, msgs[dev->msg_write_idx].addr | ic_tar, DW_IC_TAR); + /* enforce disabled interrupts (due to HW issues) */ + i2c_dw_disable_int(dev); + /* Enable the adapter */ __i2c_dw_enable(dev, true); diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 349c2d35e792..899f55937ca6 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -60,6 +60,7 @@ Wellsburg (PCH) MS 0x8d7f 32 hard yes yes yes Coleto Creek (PCH) 0x23b0 32 hard yes yes yes Wildcat Point-LP (PCH) 0x9ca2 32 hard yes yes yes + BayTrail (SOC) 0x0f12 32 hard yes yes yes Features supported by this driver: Software PEC no @@ -161,6 +162,7 @@ STATUS_ERROR_FLAGS) /* Older devices have their ID defined in <linux/pci_ids.h> */ +#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS 0x0f12 #define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS 0x1c22 #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS 0x1d22 /* Patsburg also has three 'Integrated Device Function' SMBus controllers */ @@ -822,6 +824,7 @@ static DEFINE_PCI_DEVICE_TABLE(i801_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS) }, { 0, } }; diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 0282d4d42805..d3c5d6216575 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -561,6 +561,12 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, ret = -EINVAL; for (i = 0; i < num; i++) { + /* This HW can't send STOP after address phase */ + if (msgs[i].len == 0) { + ret = -EOPNOTSUPP; + break; + } + /*-------------- spin lock -----------------*/ spin_lock_irqsave(&priv->lock, flags); @@ -625,7 +631,8 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, static u32 rcar_i2c_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; + /* This HW can't do SMBUS_QUICK and NOSTART */ + return I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK); } static const struct i2c_algorithm rcar_i2c_algo = { diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 684d21e71e4a..93ec37649346 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -1247,10 +1247,10 @@ static int s3c24xx_i2c_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); - i2c->suspended = 0; clk_prepare_enable(i2c->clk); s3c24xx_i2c_init(i2c); clk_disable_unprepare(i2c->clk); + i2c->suspended = 0; return 0; } diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index bbba014c9939..e6bf77d1ec08 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -322,12 +322,11 @@ static int at91_adc_channel_init(struct iio_dev *idev) return idev->num_channels; } -static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev, +static int at91_adc_get_trigger_value_by_name(struct iio_dev *idev, struct at91_adc_trigger *triggers, const char *trigger_name) { struct at91_adc_state *st = iio_priv(idev); - u8 value = 0; int i; for (i = 0; i < st->trigger_number; i++) { @@ -340,15 +339,16 @@ static u8 at91_adc_get_trigger_value_by_name(struct iio_dev *idev, return -ENOMEM; if (strcmp(trigger_name, name) == 0) { - value = triggers[i].value; kfree(name); - break; + if (triggers[i].value == 0) + return -EINVAL; + return triggers[i].value; } kfree(name); } - return value; + return -EINVAL; } static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) @@ -358,14 +358,14 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) struct iio_buffer *buffer = idev->buffer; struct at91_adc_reg_desc *reg = st->registers; u32 status = at91_adc_readl(st, reg->trigger_register); - u8 value; + int value; u8 bit; value = at91_adc_get_trigger_value_by_name(idev, st->trigger_list, idev->trig->name); - if (value == 0) - return -EINVAL; + if (value < 0) + return value; if (state) { st->buffer = kmalloc(idev->scan_bytes, GFP_KERNEL); diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 360259266d4f..ef5ffc0c37a4 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -1258,8 +1258,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), + .channels = max1038_channels, + .num_channels = ARRAY_SIZE(max1038_channels), }, [max11605] = { .bits = 8, @@ -1268,8 +1268,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), + .channels = max1038_channels, + .num_channels = ARRAY_SIZE(max1038_channels), }, [max11606] = { .bits = 10, @@ -1318,8 +1318,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), + .channels = max1138_channels, + .num_channels = ARRAY_SIZE(max1138_channels), }, [max11611] = { .bits = 10, @@ -1328,8 +1328,8 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { .num_modes = ARRAY_SIZE(max1238_mode_list), .default_mode = s0to11, .info = &max1238_info, - .channels = max1238_channels, - .num_channels = ARRAY_SIZE(max1238_channels), + .channels = max1138_channels, + .num_channels = ARRAY_SIZE(max1138_channels), }, [max11612] = { .bits = 12, diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index df7f1e1157ae..27a91768cc72 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -661,6 +661,7 @@ static int inv_mpu_probe(struct i2c_client *client, { struct inv_mpu6050_state *st; struct iio_dev *indio_dev; + struct inv_mpu6050_platform_data *pdata; int result; if (!i2c_check_functionality(client->adapter, @@ -673,8 +674,10 @@ static int inv_mpu_probe(struct i2c_client *client, st = iio_priv(indio_dev); st->client = client; - st->plat_data = *(struct inv_mpu6050_platform_data - *)dev_get_platdata(&client->dev); + pdata = (struct inv_mpu6050_platform_data + *)dev_get_platdata(&client->dev); + if (pdata) + st->plat_data = *pdata; /* power is turned on inside check chip type*/ result = inv_check_and_setup_chip(st, id); if (result) diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 0cf5f8e06cfc..1e8e94d4db7d 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, else if (name && index >= 0) { pr_err("ERROR: could not get IIO channel %s:%s(%i)\n", np->full_name, name ? name : "", index); - return chan; + return NULL; } /* @@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, */ np = np->parent; if (np && !of_get_property(np, "io-channel-ranges", NULL)) - break; + return NULL; } + return chan; } @@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev, if (channel != NULL) return channel; } + return iio_channel_get_sys(name, channel_name); } EXPORT_SYMBOL_GPL(iio_channel_get); diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 05423543f89d..053117c02bbc 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -352,8 +352,6 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) { struct ak8975_data *data = iio_priv(indio_dev); struct i2c_client *client = data->client; - u16 meas_reg; - s16 raw; int ret; mutex_lock(&data->lock); @@ -401,16 +399,11 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) dev_err(&client->dev, "Read axis data fails\n"); goto exit; } - meas_reg = ret; mutex_unlock(&data->lock); - /* Endian conversion of the measured values. */ - raw = (s16) (le16_to_cpu(meas_reg)); - /* Clamp to valid range. */ - raw = clamp_t(s16, raw, -4096, 4095); - *val = raw; + *val = clamp_t(s16, ret, -4096, 4095); return IIO_VAL_INT; exit: diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c index ac8c8ab723e5..fe53669eeeeb 100644 --- a/drivers/iio/pressure/mpl3115.c +++ b/drivers/iio/pressure/mpl3115.c @@ -98,7 +98,7 @@ static int mpl3115_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); if (ret < 0) return ret; - *val = sign_extend32(be32_to_cpu(tmp) >> 12, 23); + *val = be32_to_cpu(tmp) >> 12; return IIO_VAL_INT; case IIO_TEMP: /* in 0.0625 celsius / LSB */ mutex_lock(&data->lock); @@ -112,7 +112,7 @@ static int mpl3115_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); if (ret < 0) return ret; - *val = sign_extend32(be32_to_cpu(tmp) >> 20, 15); + *val = sign_extend32(be32_to_cpu(tmp) >> 20, 11); return IIO_VAL_INT; default: return -EINVAL; @@ -185,7 +185,7 @@ static const struct iio_chan_spec mpl3115_channels[] = { BIT(IIO_CHAN_INFO_SCALE), .scan_index = 0, .scan_type = { - .sign = 's', + .sign = 'u', .realbits = 20, .storagebits = 32, .shift = 12, diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index f0d588f8859e..1acb99100556 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -98,7 +98,7 @@ struct ib_umad_port { struct ib_umad_device { int start_port, end_port; - struct kref ref; + struct kobject kobj; struct ib_umad_port port[0]; }; @@ -134,14 +134,18 @@ static DECLARE_BITMAP(dev_map, IB_UMAD_MAX_PORTS); static void ib_umad_add_one(struct ib_device *device); static void ib_umad_remove_one(struct ib_device *device); -static void ib_umad_release_dev(struct kref *ref) +static void ib_umad_release_dev(struct kobject *kobj) { struct ib_umad_device *dev = - container_of(ref, struct ib_umad_device, ref); + container_of(kobj, struct ib_umad_device, kobj); kfree(dev); } +static struct kobj_type ib_umad_dev_ktype = { + .release = ib_umad_release_dev, +}; + static int hdr_size(struct ib_umad_file *file) { return file->use_pkey_index ? sizeof (struct ib_user_mad_hdr) : @@ -780,27 +784,19 @@ static int ib_umad_open(struct inode *inode, struct file *filp) { struct ib_umad_port *port; struct ib_umad_file *file; - int ret; + int ret = -ENXIO; port = container_of(inode->i_cdev, struct ib_umad_port, cdev); - if (port) - kref_get(&port->umad_dev->ref); - else - return -ENXIO; mutex_lock(&port->file_mutex); - if (!port->ib_dev) { - ret = -ENXIO; + if (!port->ib_dev) goto out; - } + ret = -ENOMEM; file = kzalloc(sizeof *file, GFP_KERNEL); - if (!file) { - kref_put(&port->umad_dev->ref, ib_umad_release_dev); - ret = -ENOMEM; + if (!file) goto out; - } mutex_init(&file->mutex); spin_lock_init(&file->send_lock); @@ -814,6 +810,13 @@ static int ib_umad_open(struct inode *inode, struct file *filp) list_add_tail(&file->port_list, &port->file_list); ret = nonseekable_open(inode, filp); + if (ret) { + list_del(&file->port_list); + kfree(file); + goto out; + } + + kobject_get(&port->umad_dev->kobj); out: mutex_unlock(&port->file_mutex); @@ -852,7 +855,7 @@ static int ib_umad_close(struct inode *inode, struct file *filp) mutex_unlock(&file->port->file_mutex); kfree(file); - kref_put(&dev->ref, ib_umad_release_dev); + kobject_put(&dev->kobj); return 0; } @@ -880,10 +883,6 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp) int ret; port = container_of(inode->i_cdev, struct ib_umad_port, sm_cdev); - if (port) - kref_get(&port->umad_dev->ref); - else - return -ENXIO; if (filp->f_flags & O_NONBLOCK) { if (down_trylock(&port->sm_sem)) { @@ -898,17 +897,27 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp) } ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props); - if (ret) { - up(&port->sm_sem); - goto fail; - } + if (ret) + goto err_up_sem; filp->private_data = port; - return nonseekable_open(inode, filp); + ret = nonseekable_open(inode, filp); + if (ret) + goto err_clr_sm_cap; + + kobject_get(&port->umad_dev->kobj); + + return 0; + +err_clr_sm_cap: + swap(props.set_port_cap_mask, props.clr_port_cap_mask); + ib_modify_port(port->ib_dev, port->port_num, 0, &props); + +err_up_sem: + up(&port->sm_sem); fail: - kref_put(&port->umad_dev->ref, ib_umad_release_dev); return ret; } @@ -927,7 +936,7 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp) up(&port->sm_sem); - kref_put(&port->umad_dev->ref, ib_umad_release_dev); + kobject_put(&port->umad_dev->kobj); return ret; } @@ -995,6 +1004,7 @@ static int find_overflow_devnum(void) } static int ib_umad_init_port(struct ib_device *device, int port_num, + struct ib_umad_device *umad_dev, struct ib_umad_port *port) { int devnum; @@ -1027,6 +1037,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num, cdev_init(&port->cdev, &umad_fops); port->cdev.owner = THIS_MODULE; + port->cdev.kobj.parent = &umad_dev->kobj; kobject_set_name(&port->cdev.kobj, "umad%d", port->dev_num); if (cdev_add(&port->cdev, base, 1)) goto err_cdev; @@ -1045,6 +1056,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num, base += IB_UMAD_MAX_PORTS; cdev_init(&port->sm_cdev, &umad_sm_fops); port->sm_cdev.owner = THIS_MODULE; + port->sm_cdev.kobj.parent = &umad_dev->kobj; kobject_set_name(&port->sm_cdev.kobj, "issm%d", port->dev_num); if (cdev_add(&port->sm_cdev, base, 1)) goto err_sm_cdev; @@ -1138,7 +1150,7 @@ static void ib_umad_add_one(struct ib_device *device) if (!umad_dev) return; - kref_init(&umad_dev->ref); + kobject_init(&umad_dev->kobj, &ib_umad_dev_ktype); umad_dev->start_port = s; umad_dev->end_port = e; @@ -1146,7 +1158,8 @@ static void ib_umad_add_one(struct ib_device *device) for (i = s; i <= e; ++i) { umad_dev->port[i - s].umad_dev = umad_dev; - if (ib_umad_init_port(device, i, &umad_dev->port[i - s])) + if (ib_umad_init_port(device, i, umad_dev, + &umad_dev->port[i - s])) goto err; } @@ -1158,7 +1171,7 @@ err: while (--i >= s) ib_umad_kill_port(&umad_dev->port[i - s]); - kref_put(&umad_dev->ref, ib_umad_release_dev); + kobject_put(&umad_dev->kobj); } static void ib_umad_remove_one(struct ib_device *device) @@ -1172,7 +1185,7 @@ static void ib_umad_remove_one(struct ib_device *device) for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i) ib_umad_kill_port(&umad_dev->port[i]); - kref_put(&umad_dev->ref, ib_umad_release_dev); + kobject_put(&umad_dev->kobj); } static char *umad_devnode(struct device *dev, umode_t *mode) diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c index e2f9a51f4a38..45802e97332e 100644 --- a/drivers/infiniband/hw/ipath/ipath_diag.c +++ b/drivers/infiniband/hw/ipath/ipath_diag.c @@ -346,6 +346,10 @@ static ssize_t ipath_diagpkt_write(struct file *fp, ret = -EFAULT; goto bail; } + dp.len = odp.len; + dp.unit = odp.unit; + dp.data = odp.data; + dp.pbc_wd = 0; } else { ret = -EINVAL; goto bail; diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index b1705ce6eb88..8c726f183980 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -32,6 +32,7 @@ #include <linux/kref.h> #include <rdma/ib_umem.h> +#include <rdma/ib_user_verbs.h> #include "mlx5_ib.h" #include "user.h" @@ -540,14 +541,24 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata, int *cqe_size, int *index, int *inlen) { struct mlx5_ib_create_cq ucmd; + size_t ucmdlen; int page_shift; int npages; int ncont; int err; - if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) + ucmdlen = + (udata->inlen - sizeof(struct ib_uverbs_cmd_hdr) < + sizeof(ucmd)) ? (sizeof(ucmd) - + sizeof(ucmd.reserved)) : sizeof(ucmd); + + if (ib_copy_from_udata(&ucmd, udata, ucmdlen)) return -EFAULT; + if (ucmdlen == sizeof(ucmd) && + ucmd.reserved != 0) + return -EINVAL; + if (ucmd.cqe_size != 64 && ucmd.cqe_size != 128) return -EINVAL; diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index 210b3eaf188a..384af6dec5eb 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -35,6 +35,7 @@ #include <linux/mlx5/srq.h> #include <linux/slab.h> #include <rdma/ib_umem.h> +#include <rdma/ib_user_verbs.h> #include "mlx5_ib.h" #include "user.h" @@ -78,16 +79,27 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, { struct mlx5_ib_dev *dev = to_mdev(pd->device); struct mlx5_ib_create_srq ucmd; + size_t ucmdlen; int err; int npages; int page_shift; int ncont; u32 offset; - if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) { + ucmdlen = + (udata->inlen - sizeof(struct ib_uverbs_cmd_hdr) < + sizeof(ucmd)) ? (sizeof(ucmd) - + sizeof(ucmd.reserved)) : sizeof(ucmd); + + if (ib_copy_from_udata(&ucmd, udata, ucmdlen)) { mlx5_ib_dbg(dev, "failed copy udata\n"); return -EFAULT; } + + if (ucmdlen == sizeof(ucmd) && + ucmd.reserved != 0) + return -EINVAL; + srq->wq_sig = !!(ucmd.flags & MLX5_SRQ_FLAG_SIGNATURE); srq->umem = ib_umem_get(pd->uobject->context, ucmd.buf_addr, buf_size, diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h index 0f4f8e42a17f..d0ba264ac1ed 100644 --- a/drivers/infiniband/hw/mlx5/user.h +++ b/drivers/infiniband/hw/mlx5/user.h @@ -91,6 +91,7 @@ struct mlx5_ib_create_cq { __u64 buf_addr; __u64 db_addr; __u32 cqe_size; + __u32 reserved; /* explicit padding (optional on i386) */ }; struct mlx5_ib_create_cq_resp { @@ -109,6 +110,7 @@ struct mlx5_ib_create_srq { __u64 buf_addr; __u64 db_addr; __u32 flags; + __u32 reserved; /* explicit padding (optional on i386) */ }; struct mlx5_ib_create_srq_resp { diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index ccb119143d20..1dd9fcbb7c9a 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -1028,7 +1028,7 @@ static int set_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys) event.event = IB_EVENT_PKEY_CHANGE; event.device = &dd->verbs_dev.ibdev; - event.element.port_num = 1; + event.element.port_num = port; ib_dispatch_event(&event); } return 0; diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index f596b413a35b..156205a81523 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -28,6 +28,7 @@ #include <target/target_core_base.h> #include <target/target_core_fabric.h> #include <target/iscsi/iscsi_transport.h> +#include <linux/semaphore.h> #include "isert_proto.h" #include "ib_isert.h" @@ -488,6 +489,14 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) struct ib_device *ib_dev = cma_id->device; int ret = 0; + spin_lock_bh(&np->np_thread_lock); + if (!np->enabled) { + spin_unlock_bh(&np->np_thread_lock); + pr_debug("iscsi_np is not enabled, reject connect request\n"); + return rdma_reject(cma_id, NULL, 0); + } + spin_unlock_bh(&np->np_thread_lock); + pr_debug("Entering isert_connect_request cma_id: %p, context: %p\n", cma_id, cma_id->context); @@ -582,11 +591,11 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) goto out_conn_dev; mutex_lock(&isert_np->np_accept_mutex); - list_add_tail(&isert_np->np_accept_list, &isert_conn->conn_accept_node); + list_add_tail(&isert_conn->conn_accept_node, &isert_np->np_accept_list); mutex_unlock(&isert_np->np_accept_mutex); - pr_debug("isert_connect_request() waking up np_accept_wq: %p\n", np); - wake_up(&isert_np->np_accept_wq); + pr_debug("isert_connect_request() up np_sem np: %p\n", np); + up(&isert_np->np_sem); return 0; out_conn_dev: @@ -696,14 +705,12 @@ isert_disconnect_work(struct work_struct *work) isert_put_conn(isert_conn); return; } - if (!isert_conn->logout_posted) { - pr_debug("Calling rdma_disconnect for !logout_posted from" - " isert_disconnect_work\n"); + + if (isert_conn->disconnect) { + /* Send DREQ/DREP towards our initiator */ rdma_disconnect(isert_conn->conn_cm_id); - mutex_unlock(&isert_conn->conn_mutex); - iscsit_cause_connection_reinstatement(isert_conn->conn, 0); - goto wake_up; } + mutex_unlock(&isert_conn->conn_mutex); wake_up: @@ -712,10 +719,11 @@ wake_up: } static void -isert_disconnected_handler(struct rdma_cm_id *cma_id) +isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect) { struct isert_conn *isert_conn = (struct isert_conn *)cma_id->context; + isert_conn->disconnect = disconnect; INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work); schedule_work(&isert_conn->conn_logout_work); } @@ -724,29 +732,28 @@ static int isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { int ret = 0; + bool disconnect = false; pr_debug("isert_cma_handler: event %d status %d conn %p id %p\n", event->event, event->status, cma_id->context, cma_id); switch (event->event) { case RDMA_CM_EVENT_CONNECT_REQUEST: - pr_debug("RDMA_CM_EVENT_CONNECT_REQUEST: >>>>>>>>>>>>>>>\n"); ret = isert_connect_request(cma_id, event); break; case RDMA_CM_EVENT_ESTABLISHED: - pr_debug("RDMA_CM_EVENT_ESTABLISHED >>>>>>>>>>>>>>\n"); isert_connected_handler(cma_id); break; - case RDMA_CM_EVENT_DISCONNECTED: - pr_debug("RDMA_CM_EVENT_DISCONNECTED: >>>>>>>>>>>>>>\n"); - isert_disconnected_handler(cma_id); - break; - case RDMA_CM_EVENT_DEVICE_REMOVAL: - case RDMA_CM_EVENT_ADDR_CHANGE: + case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */ + case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */ + case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */ + disconnect = true; + case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */ + isert_disconnected_handler(cma_id, disconnect); break; case RDMA_CM_EVENT_CONNECT_ERROR: default: - pr_err("Unknown RDMA CMA event: %d\n", event->event); + pr_err("Unhandled RDMA CMA event: %d\n", event->event); break; } @@ -1116,6 +1123,8 @@ sequence_cmd: if (!rc && dump_payload == false && unsol_data) iscsit_set_unsoliticed_dataout(cmd); + else if (dump_payload && imm_data) + target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd); return 0; } @@ -1606,11 +1615,8 @@ isert_do_control_comp(struct work_struct *work) break; case ISTATE_SEND_LOGOUTRSP: pr_debug("Calling iscsit_logout_post_handler >>>>>>>>>>>>>>\n"); - /* - * Call atomic_dec(&isert_conn->post_send_buf_count) - * from isert_wait_conn() - */ - isert_conn->logout_posted = true; + + atomic_dec(&isert_conn->post_send_buf_count); iscsit_logout_post_handler(cmd, cmd->conn); break; case ISTATE_SEND_TEXTRSP: @@ -1780,6 +1786,8 @@ isert_cq_rx_comp_err(struct isert_conn *isert_conn) isert_conn->state = ISER_CONN_DOWN; mutex_unlock(&isert_conn->conn_mutex); + iscsit_cause_connection_reinstatement(isert_conn->conn, 0); + complete(&isert_conn->conn_wait_comp_err); } @@ -2036,7 +2044,7 @@ isert_put_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn) int rc; isert_create_send_desc(isert_conn, isert_cmd, &isert_cmd->tx_desc); - rc = iscsit_build_text_rsp(cmd, conn, hdr); + rc = iscsit_build_text_rsp(cmd, conn, hdr, ISCSI_INFINIBAND); if (rc < 0) return rc; @@ -2569,7 +2577,7 @@ isert_setup_np(struct iscsi_np *np, pr_err("Unable to allocate struct isert_np\n"); return -ENOMEM; } - init_waitqueue_head(&isert_np->np_accept_wq); + sema_init(&isert_np->np_sem, 0); mutex_init(&isert_np->np_accept_mutex); INIT_LIST_HEAD(&isert_np->np_accept_list); init_completion(&isert_np->np_login_comp); @@ -2618,18 +2626,6 @@ out: } static int -isert_check_accept_queue(struct isert_np *isert_np) -{ - int empty; - - mutex_lock(&isert_np->np_accept_mutex); - empty = list_empty(&isert_np->np_accept_list); - mutex_unlock(&isert_np->np_accept_mutex); - - return empty; -} - -static int isert_rdma_accept(struct isert_conn *isert_conn) { struct rdma_cm_id *cm_id = isert_conn->conn_cm_id; @@ -2721,16 +2717,19 @@ isert_accept_np(struct iscsi_np *np, struct iscsi_conn *conn) int max_accept = 0, ret; accept_wait: - ret = wait_event_interruptible(isert_np->np_accept_wq, - !isert_check_accept_queue(isert_np) || - np->np_thread_state == ISCSI_NP_THREAD_RESET); + ret = down_interruptible(&isert_np->np_sem); if (max_accept > 5) return -ENODEV; spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (np->np_thread_state >= ISCSI_NP_THREAD_RESET) { spin_unlock_bh(&np->np_thread_lock); - pr_err("ISCSI_NP_THREAD_RESET for isert_accept_np\n"); + pr_debug("np_thread_state %d for isert_accept_np\n", + np->np_thread_state); + /** + * No point in stalling here when np_thread + * is in state RESET/SHUTDOWN/EXIT - bail + **/ return -ENODEV; } spin_unlock_bh(&np->np_thread_lock); @@ -2780,15 +2779,9 @@ static void isert_wait_conn(struct iscsi_conn *conn) struct isert_conn *isert_conn = conn->context; pr_debug("isert_wait_conn: Starting \n"); - /* - * Decrement post_send_buf_count for special case when called - * from isert_do_control_comp() -> iscsit_logout_post_handler() - */ - mutex_lock(&isert_conn->conn_mutex); - if (isert_conn->logout_posted) - atomic_dec(&isert_conn->post_send_buf_count); - if (isert_conn->conn_cm_id && isert_conn->state != ISER_CONN_DOWN) { + mutex_lock(&isert_conn->conn_mutex); + if (isert_conn->conn_cm_id) { pr_debug("Calling rdma_disconnect from isert_wait_conn\n"); rdma_disconnect(isert_conn->conn_cm_id); } @@ -2863,6 +2856,7 @@ destroy_rx_wq: static void __exit isert_exit(void) { + flush_scheduled_work(); destroy_workqueue(isert_comp_wq); destroy_workqueue(isert_rx_wq); iscsit_unregister_transport(&iser_target_transport); diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index f6ae7f5dd408..cbecaabe90b9 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -93,7 +93,6 @@ struct isert_device; struct isert_conn { enum iser_conn_state state; - bool logout_posted; int post_recv_buf_count; atomic_t post_send_buf_count; u32 responder_resources; @@ -128,6 +127,7 @@ struct isert_conn { #define ISERT_COMP_BATCH_COUNT 8 int conn_comp_batch; struct llist_head conn_comp_llist; + bool disconnect; }; #define ISERT_MAX_CQ 64 @@ -158,7 +158,7 @@ struct isert_device { }; struct isert_np { - wait_queue_head_t np_accept_wq; + struct semaphore np_sem; struct rdma_cm_id *np_cm_id; struct mutex np_accept_mutex; struct list_head np_accept_list; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 529b6bcdca7a..e96c07ee6756 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1576,6 +1576,12 @@ err_unmap: err_iu: srp_put_tx_iu(target, iu, SRP_IU_CMD); + /* + * Avoid that the loops that iterate over the request ring can + * encounter a dangling SCSI command pointer. + */ + req->scmnd = NULL; + spin_lock_irqsave(&target->lock, flags); list_add(&req->list, &target->free_reqs); diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 2626773ff29b..2dd1d0dd4f7d 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -243,6 +243,12 @@ static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); static void *atkbd_platform_fixup_data; static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int); +/* + * Certain keyboards to not like ATKBD_CMD_RESET_DIS and stop responding + * to many commands until full reset (ATKBD_CMD_RESET_BAT) is performed. + */ +static bool atkbd_skip_deactivate; + static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, ssize_t (*handler)(struct atkbd *, char *)); static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, @@ -768,7 +774,8 @@ static int atkbd_probe(struct atkbd *atkbd) * Make sure nothing is coming from the keyboard and disturbs our * internal state. */ - atkbd_deactivate(atkbd); + if (!atkbd_skip_deactivate) + atkbd_deactivate(atkbd); return 0; } @@ -1638,6 +1645,12 @@ static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id) return 1; } +static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id) +{ + atkbd_skip_deactivate = true; + return 1; +} + static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = { { .matches = { @@ -1775,6 +1788,20 @@ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = { .callback = atkbd_setup_scancode_fixup, .driver_data = atkbd_oqo_01plus_scancode_fixup, }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), + DMI_MATCH(DMI_PRODUCT_NAME, "LW25-B7HV"), + }, + .callback = atkbd_deactivate_fixup, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), + DMI_MATCH(DMI_PRODUCT_NAME, "P1-J273B"), + }, + .callback = atkbd_deactivate_fixup, + }, { } }; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index ef1cf52f8bb9..233516aff595 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -11,6 +11,7 @@ */ #include <linux/delay.h> +#include <linux/dmi.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/input.h> @@ -472,8 +473,15 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse, input_report_key(dev, BTN_TOOL_FINGER, fingers == 1); input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2); input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3); - input_report_key(dev, BTN_LEFT, packet[0] & 0x01); - input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); + + /* For clickpads map both buttons to BTN_LEFT */ + if (etd->fw_version & 0x001000) { + input_report_key(dev, BTN_LEFT, packet[0] & 0x03); + } else { + input_report_key(dev, BTN_LEFT, packet[0] & 0x01); + input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); + } + input_report_abs(dev, ABS_PRESSURE, pres); input_report_abs(dev, ABS_TOOL_WIDTH, width); @@ -483,10 +491,17 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse, static void elantech_input_sync_v4(struct psmouse *psmouse) { struct input_dev *dev = psmouse->dev; + struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; - input_report_key(dev, BTN_LEFT, packet[0] & 0x01); - input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); + /* For clickpads map both buttons to BTN_LEFT */ + if (etd->fw_version & 0x001000) { + input_report_key(dev, BTN_LEFT, packet[0] & 0x03); + } else { + input_report_key(dev, BTN_LEFT, packet[0] & 0x01); + input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); + } + input_mt_report_pointer_emulation(dev, true); input_sync(dev); } @@ -831,7 +846,11 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse) break; case 3: - etd->reg_10 = 0x0b; + if (etd->set_hw_resolution) + etd->reg_10 = 0x0b; + else + etd->reg_10 = 0x01; + if (elantech_write_reg(psmouse, 0x10, etd->reg_10)) rc = -1; @@ -1331,6 +1350,23 @@ static int elantech_reconnect(struct psmouse *psmouse) } /* + * Some hw_version 3 models go into error state when we try to set + * bit 3 and/or bit 1 of r10. + */ +static const struct dmi_system_id no_hw_res_dmi_table[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Gigabyte U2442 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "U2442"), + }, + }, +#endif + { } +}; + +/* * determine hardware version and set some properties according to it. */ static int elantech_set_properties(struct elantech_data *etd) @@ -1389,6 +1425,9 @@ static int elantech_set_properties(struct elantech_data *etd) */ etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000); + /* Enable real hardware resolution on hw_version 3 ? */ + etd->set_hw_resolution = !dmi_check_system(no_hw_res_dmi_table); + return 0; } diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index 036a04abaef7..9e0e2a1f340d 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -130,6 +130,7 @@ struct elantech_data { bool jumpy_cursor; bool reports_pressure; bool crc_enabled; + bool set_hw_resolution; unsigned char hw_version; unsigned int fw_version; unsigned int single_finger_reports; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index d8d49d10f9bb..ec772d962f06 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -117,6 +117,81 @@ void synaptics_reset(struct psmouse *psmouse) } #ifdef CONFIG_MOUSE_PS2_SYNAPTICS +struct min_max_quirk { + const char * const *pnp_ids; + int x_min, x_max, y_min, y_max; +}; + +static const struct min_max_quirk min_max_pnpid_table[] = { + { + (const char * const []){"LEN0033", NULL}, + 1024, 5052, 2258, 4832 + }, + { + (const char * const []){"LEN0035", "LEN0042", NULL}, + 1232, 5710, 1156, 4696 + }, + { + (const char * const []){"LEN0034", "LEN0036", "LEN2004", NULL}, + 1024, 5112, 2024, 4832 + }, + { + (const char * const []){"LEN2001", NULL}, + 1024, 5022, 2508, 4832 + }, + { } +}; + +/* This list has been kindly provided by Synaptics. */ +static const char * const topbuttonpad_pnp_ids[] = { + "LEN0017", + "LEN0018", + "LEN0019", + "LEN0023", + "LEN002A", + "LEN002B", + "LEN002C", + "LEN002D", + "LEN002E", + "LEN0033", /* Helix */ + "LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */ + "LEN0035", /* X240 */ + "LEN0036", /* T440 */ + "LEN0037", + "LEN0038", + "LEN0041", + "LEN0042", /* Yoga */ + "LEN0045", + "LEN0046", + "LEN0047", + "LEN0048", + "LEN0049", + "LEN2000", + "LEN2001", /* Edge E431 */ + "LEN2002", + "LEN2003", + "LEN2004", /* L440 */ + "LEN2005", + "LEN2006", + "LEN2007", + "LEN2008", + "LEN2009", + "LEN200A", + "LEN200B", + NULL +}; + +static bool matches_pnp_id(struct psmouse *psmouse, const char * const ids[]) +{ + int i; + + if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) + for (i = 0; ids[i]; i++) + if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i])) + return true; + + return false; +} /***************************************************************************** * Synaptics communications functions @@ -266,20 +341,11 @@ static int synaptics_identify(struct psmouse *psmouse) * Resolution is left zero if touchpad does not support the query */ -static const int *quirk_min_max; - static int synaptics_resolution(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; unsigned char resp[3]; - - if (quirk_min_max) { - priv->x_min = quirk_min_max[0]; - priv->x_max = quirk_min_max[1]; - priv->y_min = quirk_min_max[2]; - priv->y_max = quirk_min_max[3]; - return 0; - } + int i; if (SYN_ID_MAJOR(priv->identity) < 4) return 0; @@ -291,6 +357,16 @@ static int synaptics_resolution(struct psmouse *psmouse) } } + for (i = 0; min_max_pnpid_table[i].pnp_ids; i++) { + if (matches_pnp_id(psmouse, min_max_pnpid_table[i].pnp_ids)) { + priv->x_min = min_max_pnpid_table[i].x_min; + priv->x_max = min_max_pnpid_table[i].x_max; + priv->y_min = min_max_pnpid_table[i].y_min; + priv->y_max = min_max_pnpid_table[i].y_max; + return 0; + } + } + if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { @@ -1255,8 +1331,10 @@ static void set_abs_position_params(struct input_dev *dev, input_abs_set_res(dev, y_code, priv->y_res); } -static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) +static void set_input_params(struct psmouse *psmouse, + struct synaptics_data *priv) { + struct input_dev *dev = psmouse->dev; int i; /* Things that apply to both modes */ @@ -1325,6 +1403,8 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); + if (matches_pnp_id(psmouse, topbuttonpad_pnp_ids)) + __set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit); /* Clickpads report only left button */ __clear_bit(BTN_RIGHT, dev->keybit); __clear_bit(BTN_MIDDLE, dev->keybit); @@ -1496,54 +1576,10 @@ static const struct dmi_system_id olpc_dmi_table[] __initconst = { { } }; -static const struct dmi_system_id min_max_dmi_table[] __initconst = { -#if defined(CONFIG_DMI) - { - /* Lenovo ThinkPad Helix */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix"), - }, - .driver_data = (int []){1024, 5052, 2258, 4832}, - }, - { - /* Lenovo ThinkPad X240 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X240"), - }, - .driver_data = (int []){1232, 5710, 1156, 4696}, - }, - { - /* Lenovo ThinkPad T440s */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T440"), - }, - .driver_data = (int []){1024, 5112, 2024, 4832}, - }, - { - /* Lenovo ThinkPad T540p */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T540"), - }, - .driver_data = (int []){1024, 5056, 2058, 4832}, - }, -#endif - { } -}; - void __init synaptics_module_init(void) { - const struct dmi_system_id *min_max_dmi; - impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); broken_olpc_ec = dmi_check_system(olpc_dmi_table); - - min_max_dmi = dmi_first_match(min_max_dmi_table); - if (min_max_dmi) - quirk_min_max = min_max_dmi->driver_data; } static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) @@ -1593,7 +1629,7 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) priv->capabilities, priv->ext_cap, priv->ext_cap_0c, priv->board_id, priv->firmware_id); - set_input_params(psmouse->dev, priv); + set_input_params(psmouse, priv); /* * Encode touchpad model so that it can be used to set diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 0ec9abbe31fe..381b20d4c561 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -702,6 +702,17 @@ static int i8042_pnp_aux_irq; static char i8042_pnp_kbd_name[32]; static char i8042_pnp_aux_name[32]; +static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size) +{ + strlcpy(dst, "PNP:", dst_size); + + while (id) { + strlcat(dst, " ", dst_size); + strlcat(dst, id->id, dst_size); + id = id->next; + } +} + static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did) { if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) @@ -718,6 +729,8 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id * strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name)); strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name)); } + i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id, + sizeof(i8042_kbd_firmware_id)); /* Keyboard ports are always supposed to be wakeup-enabled */ device_set_wakeup_enable(&dev->dev, true); @@ -742,6 +755,8 @@ static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id * strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name)); strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name)); } + i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id, + sizeof(i8042_aux_firmware_id)); i8042_pnp_aux_devices++; return 0; diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 020053fa5aaa..3807c3e971cc 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -87,6 +87,8 @@ MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and off"); #endif static bool i8042_bypass_aux_irq_test; +static char i8042_kbd_firmware_id[128]; +static char i8042_aux_firmware_id[128]; #include "i8042.h" @@ -1218,6 +1220,8 @@ static int __init i8042_create_kbd_port(void) serio->dev.parent = &i8042_platform_device->dev; strlcpy(serio->name, "i8042 KBD port", sizeof(serio->name)); strlcpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys)); + strlcpy(serio->firmware_id, i8042_kbd_firmware_id, + sizeof(serio->firmware_id)); port->serio = serio; port->irq = I8042_KBD_IRQ; @@ -1244,6 +1248,8 @@ static int __init i8042_create_aux_port(int idx) if (idx < 0) { strlcpy(serio->name, "i8042 AUX port", sizeof(serio->name)); strlcpy(serio->phys, I8042_AUX_PHYS_DESC, sizeof(serio->phys)); + strlcpy(serio->firmware_id, i8042_aux_firmware_id, + sizeof(serio->firmware_id)); serio->close = i8042_port_close; } else { snprintf(serio->name, sizeof(serio->name), "i8042 AUX%d port", idx); diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 8f4c4ab04bc2..b29134de983b 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -451,6 +451,13 @@ static ssize_t serio_set_bind_mode(struct device *dev, struct device_attribute * return retval; } +static ssize_t firmware_id_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct serio *serio = to_serio_port(dev); + + return sprintf(buf, "%s\n", serio->firmware_id); +} + static DEVICE_ATTR_RO(type); static DEVICE_ATTR_RO(proto); static DEVICE_ATTR_RO(id); @@ -473,12 +480,14 @@ static DEVICE_ATTR_RO(modalias); static DEVICE_ATTR_WO(drvctl); static DEVICE_ATTR(description, S_IRUGO, serio_show_description, NULL); static DEVICE_ATTR(bind_mode, S_IWUSR | S_IRUGO, serio_show_bind_mode, serio_set_bind_mode); +static DEVICE_ATTR_RO(firmware_id); static struct attribute *serio_device_attrs[] = { &dev_attr_modalias.attr, &dev_attr_description.attr, &dev_attr_drvctl.attr, &dev_attr_bind_mode.attr, + &dev_attr_firmware_id.attr, NULL }; @@ -921,9 +930,14 @@ static int serio_uevent(struct device *dev, struct kobj_uevent_env *env) SERIO_ADD_UEVENT_VAR("SERIO_PROTO=%02x", serio->id.proto); SERIO_ADD_UEVENT_VAR("SERIO_ID=%02x", serio->id.id); SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra); + SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X", serio->id.type, serio->id.proto, serio->id.id, serio->id.extra); + if (serio->firmware_id[0]) + SERIO_ADD_UEVENT_VAR("SERIO_FIRMWARE_ID=%s", + serio->firmware_id); + return 0; } #undef SERIO_ADD_UEVENT_VAR diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index faf0da4bb3a2..71776ff5aedc 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3999,7 +3999,7 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic) iommu_flush_dte(iommu, devid); if (devid != alias) { irq_lookup_table[alias] = table; - set_dte_irq_entry(devid, table); + set_dte_irq_entry(alias, table); iommu_flush_dte(iommu, alias); } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a22c86c867fa..40f6b47c28f6 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4075,7 +4075,7 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) { struct dmar_domain *dmar_domain = domain->priv; - int order; + int order, iommu_id; order = dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT, (iova + size - 1) >> VTD_PAGE_SHIFT); @@ -4083,6 +4083,22 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain, if (dmar_domain->max_addr == iova + size) dmar_domain->max_addr = iova; + for_each_set_bit(iommu_id, dmar_domain->iommu_bmp, g_num_of_iommus) { + struct intel_iommu *iommu = g_iommus[iommu_id]; + int num, ndomains; + + /* + * find bit position of dmar_domain + */ + ndomains = cap_ndoms(iommu->cap); + for_each_set_bit(num, iommu->domain_ids, ndomains) { + if (iommu->domains[num] == dmar_domain) + iommu_flush_iotlb_psi(iommu, num, + iova >> VTD_PAGE_SHIFT, + 1 << order, 0); + } + } + return PAGE_SIZE << order; } diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 540956465ed2..939eb0d8fbf1 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -130,8 +130,7 @@ static int armada_370_xp_setup_msi_irq(struct msi_chip *chip, struct msi_desc *desc) { struct msi_msg msg; - irq_hw_number_t hwirq; - int virq; + int virq, hwirq; hwirq = armada_370_xp_alloc_msi(); if (hwirq < 0) @@ -157,8 +156,19 @@ static void armada_370_xp_teardown_msi_irq(struct msi_chip *chip, unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); + unsigned long hwirq = d->hwirq; + irq_dispose_mapping(irq); - armada_370_xp_free_msi(d->hwirq); + armada_370_xp_free_msi(hwirq); +} + +static int armada_370_xp_check_msi_device(struct msi_chip *chip, struct pci_dev *dev, + int nvec, int type) +{ + /* We support MSI, but not MSI-X */ + if (type == PCI_CAP_ID_MSI) + return 0; + return -EINVAL; } static struct irq_chip armada_370_xp_msi_irq_chip = { @@ -199,6 +209,7 @@ static int armada_370_xp_msi_init(struct device_node *node, msi_chip->setup_irq = armada_370_xp_setup_msi_irq; msi_chip->teardown_irq = armada_370_xp_teardown_msi_irq; + msi_chip->check_device = armada_370_xp_check_msi_device; msi_chip->of_node = node; armada_370_xp_msi_domain = diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 341c6016812d..ac2d41bd71a0 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -246,10 +246,14 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, bool force) { void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3); - unsigned int shift = (gic_irq(d) % 4) * 8; - unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask); + unsigned int cpu, shift = (gic_irq(d) % 4) * 8; u32 val, mask, bit; + if (!force) + cpu = cpumask_any_and(mask_val, cpu_online_mask); + else + cpu = cpumask_first(mask_val); + if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids) return -EINVAL; diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index 8527743b5cef..391b9cea73ed 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -125,7 +125,7 @@ static struct spear_shirq spear320_shirq_ras2 = { }; static struct spear_shirq spear320_shirq_ras3 = { - .irq_nr = 3, + .irq_nr = 7, .irq_bit_off = 0, .invalid_irq = 1, .regs = { diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c index 605047428b5a..a7b369fc3554 100644 --- a/drivers/leds/leds-pwm.c +++ b/drivers/leds/leds-pwm.c @@ -84,6 +84,15 @@ static inline size_t sizeof_pwm_leds_priv(int num_leds) (sizeof(struct led_pwm_data) * num_leds); } +static void led_pwm_cleanup(struct led_pwm_priv *priv) +{ + while (priv->num_leds--) { + led_classdev_unregister(&priv->leds[priv->num_leds].cdev); + if (priv->leds[priv->num_leds].can_sleep) + cancel_work_sync(&priv->leds[priv->num_leds].work); + } +} + static int led_pwm_create_of(struct platform_device *pdev, struct led_pwm_priv *priv) { @@ -131,8 +140,7 @@ static int led_pwm_create_of(struct platform_device *pdev, return 0; err: - while (priv->num_leds--) - led_classdev_unregister(&priv->leds[priv->num_leds].cdev); + led_pwm_cleanup(priv); return ret; } @@ -200,8 +208,8 @@ static int led_pwm_probe(struct platform_device *pdev) return 0; err: - while (i--) - led_classdev_unregister(&priv->leds[i].cdev); + priv->num_leds = i; + led_pwm_cleanup(priv); return ret; } @@ -209,13 +217,8 @@ err: static int led_pwm_remove(struct platform_device *pdev) { struct led_pwm_priv *priv = platform_get_drvdata(pdev); - int i; - for (i = 0; i < priv->num_leds; i++) { - led_classdev_unregister(&priv->leds[i].cdev); - if (priv->leds[i].can_sleep) - cancel_work_sync(&priv->leds[i].work); - } + led_pwm_cleanup(priv); return 0; } diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 9ef0752e8a08..5320332390b7 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -120,6 +120,12 @@ struct dm_cache_metadata { unsigned policy_version[CACHE_POLICY_VERSION_SIZE]; size_t policy_hint_size; struct dm_cache_statistics stats; + + /* + * Reading the space map root can fail, so we read it into this + * buffer before the superblock is locked and updated. + */ + __u8 metadata_space_map_root[SPACE_MAP_ROOT_SIZE]; }; /*------------------------------------------------------------------- @@ -260,11 +266,31 @@ static void __setup_mapping_info(struct dm_cache_metadata *cmd) } } +static int __save_sm_root(struct dm_cache_metadata *cmd) +{ + int r; + size_t metadata_len; + + r = dm_sm_root_size(cmd->metadata_sm, &metadata_len); + if (r < 0) + return r; + + return dm_sm_copy_root(cmd->metadata_sm, &cmd->metadata_space_map_root, + metadata_len); +} + +static void __copy_sm_root(struct dm_cache_metadata *cmd, + struct cache_disk_superblock *disk_super) +{ + memcpy(&disk_super->metadata_space_map_root, + &cmd->metadata_space_map_root, + sizeof(cmd->metadata_space_map_root)); +} + static int __write_initial_superblock(struct dm_cache_metadata *cmd) { int r; struct dm_block *sblock; - size_t metadata_len; struct cache_disk_superblock *disk_super; sector_t bdev_size = i_size_read(cmd->bdev->bd_inode) >> SECTOR_SHIFT; @@ -272,12 +298,16 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd) if (bdev_size > DM_CACHE_METADATA_MAX_SECTORS) bdev_size = DM_CACHE_METADATA_MAX_SECTORS; - r = dm_sm_root_size(cmd->metadata_sm, &metadata_len); + r = dm_tm_pre_commit(cmd->tm); if (r < 0) return r; - r = dm_tm_pre_commit(cmd->tm); - if (r < 0) + /* + * dm_sm_copy_root() can fail. So we need to do it before we start + * updating the superblock. + */ + r = __save_sm_root(cmd); + if (r) return r; r = superblock_lock_zero(cmd, &sblock); @@ -293,10 +323,7 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd) memset(disk_super->policy_version, 0, sizeof(disk_super->policy_version)); disk_super->policy_hint_size = 0; - r = dm_sm_copy_root(cmd->metadata_sm, &disk_super->metadata_space_map_root, - metadata_len); - if (r < 0) - goto bad_locked; + __copy_sm_root(cmd, disk_super); disk_super->mapping_root = cpu_to_le64(cmd->root); disk_super->hint_root = cpu_to_le64(cmd->hint_root); @@ -313,10 +340,6 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd) disk_super->write_misses = cpu_to_le32(0); return dm_tm_commit(cmd->tm, sblock); - -bad_locked: - dm_bm_unlock(sblock); - return r; } static int __format_metadata(struct dm_cache_metadata *cmd) @@ -530,8 +553,9 @@ static int __begin_transaction_flags(struct dm_cache_metadata *cmd, disk_super = dm_block_data(sblock); update_flags(disk_super, mutator); read_superblock_fields(cmd, disk_super); + dm_bm_unlock(sblock); - return dm_bm_flush_and_unlock(cmd->bm, sblock); + return dm_bm_flush(cmd->bm); } static int __begin_transaction(struct dm_cache_metadata *cmd) @@ -559,7 +583,6 @@ static int __commit_transaction(struct dm_cache_metadata *cmd, flags_mutator mutator) { int r; - size_t metadata_len; struct cache_disk_superblock *disk_super; struct dm_block *sblock; @@ -577,8 +600,8 @@ static int __commit_transaction(struct dm_cache_metadata *cmd, if (r < 0) return r; - r = dm_sm_root_size(cmd->metadata_sm, &metadata_len); - if (r < 0) + r = __save_sm_root(cmd); + if (r) return r; r = superblock_lock(cmd, &sblock); @@ -605,13 +628,7 @@ static int __commit_transaction(struct dm_cache_metadata *cmd, disk_super->read_misses = cpu_to_le32(cmd->stats.read_misses); disk_super->write_hits = cpu_to_le32(cmd->stats.write_hits); disk_super->write_misses = cpu_to_le32(cmd->stats.write_misses); - - r = dm_sm_copy_root(cmd->metadata_sm, &disk_super->metadata_space_map_root, - metadata_len); - if (r < 0) { - dm_bm_unlock(sblock); - return r; - } + __copy_sm_root(cmd, disk_super); return dm_tm_commit(cmd->tm, sblock); } @@ -1228,22 +1245,12 @@ static int begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *po return 0; } -int dm_cache_begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *policy) +static int save_hint(void *context, dm_cblock_t cblock, dm_oblock_t oblock, uint32_t hint) { + struct dm_cache_metadata *cmd = context; + __le32 value = cpu_to_le32(hint); int r; - down_write(&cmd->root_lock); - r = begin_hints(cmd, policy); - up_write(&cmd->root_lock); - - return r; -} - -static int save_hint(struct dm_cache_metadata *cmd, dm_cblock_t cblock, - uint32_t hint) -{ - int r; - __le32 value = cpu_to_le32(hint); __dm_bless_for_disk(&value); r = dm_array_set_value(&cmd->hint_info, cmd->hint_root, @@ -1253,16 +1260,25 @@ static int save_hint(struct dm_cache_metadata *cmd, dm_cblock_t cblock, return r; } -int dm_cache_save_hint(struct dm_cache_metadata *cmd, dm_cblock_t cblock, - uint32_t hint) +static int write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *policy) { int r; - if (!hints_array_initialized(cmd)) - return 0; + r = begin_hints(cmd, policy); + if (r) { + DMERR("begin_hints failed"); + return r; + } + + return policy_walk_mappings(policy, save_hint, cmd); +} + +int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *policy) +{ + int r; down_write(&cmd->root_lock); - r = save_hint(cmd, cblock, hint); + r = write_hints(cmd, policy); up_write(&cmd->root_lock); return r; diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h index cd906f14f98d..f0fb1dd26524 100644 --- a/drivers/md/dm-cache-metadata.h +++ b/drivers/md/dm-cache-metadata.h @@ -128,14 +128,7 @@ void dm_cache_dump(struct dm_cache_metadata *cmd); * rather than querying the policy for each cblock, we let it walk its data * structures and fill in the hints in whatever order it wishes. */ - -int dm_cache_begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *p); - -/* - * requests hints for every cblock and stores in the metadata device. - */ -int dm_cache_save_hint(struct dm_cache_metadata *cmd, - dm_cblock_t cblock, uint32_t hint); +int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *p); /* * Query method. Are all the blocks in the cache clean? diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 074b9c8e4cf0..c0ad90d91252 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -239,7 +239,7 @@ struct cache { */ dm_dblock_t discard_nr_blocks; unsigned long *discard_bitset; - uint32_t discard_block_size; /* a power of 2 times sectors per block */ + uint32_t discard_block_size; /* * Rather than reconstructing the table line for the status we just @@ -2171,35 +2171,6 @@ static int create_cache_policy(struct cache *cache, struct cache_args *ca, return 0; } -/* - * We want the discard block size to be a power of two, at least the size - * of the cache block size, and have no more than 2^14 discard blocks - * across the origin. - */ -#define MAX_DISCARD_BLOCKS (1 << 14) - -static bool too_many_discard_blocks(sector_t discard_block_size, - sector_t origin_size) -{ - (void) sector_div(origin_size, discard_block_size); - - return origin_size > MAX_DISCARD_BLOCKS; -} - -static sector_t calculate_discard_block_size(sector_t cache_block_size, - sector_t origin_size) -{ - sector_t discard_block_size; - - discard_block_size = roundup_pow_of_two(cache_block_size); - - if (origin_size) - while (too_many_discard_blocks(discard_block_size, origin_size)) - discard_block_size *= 2; - - return discard_block_size; -} - #define DEFAULT_MIGRATION_THRESHOLD 2048 static int cache_create(struct cache_args *ca, struct cache **result) @@ -2224,6 +2195,8 @@ static int cache_create(struct cache_args *ca, struct cache **result) ti->num_discard_bios = 1; ti->discards_supported = true; ti->discard_zeroes_data_unsupported = true; + /* Discard bios must be split on a block boundary */ + ti->split_discard_bios = true; cache->features = ca->features; ti->per_bio_data_size = get_per_bio_data_size(cache); @@ -2321,9 +2294,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) } clear_bitset(cache->dirty_bitset, from_cblock(cache->cache_size)); - cache->discard_block_size = - calculate_discard_block_size(cache->sectors_per_block, - cache->origin_sectors); + cache->discard_block_size = cache->sectors_per_block; cache->discard_nr_blocks = oblock_to_dblock(cache, cache->origin_blocks); cache->discard_bitset = alloc_bitset(from_dblock(cache->discard_nr_blocks)); if (!cache->discard_bitset) { @@ -2537,6 +2508,7 @@ static int cache_map(struct dm_target *ti, struct bio *bio) } else { inc_hit_counter(cache, bio); + pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); if (bio_data_dir(bio) == WRITE && writethrough_mode(&cache->features) && !is_dirty(cache, lookup_result.cblock)) @@ -2631,30 +2603,6 @@ static int write_discard_bitset(struct cache *cache) return 0; } -static int save_hint(void *context, dm_cblock_t cblock, dm_oblock_t oblock, - uint32_t hint) -{ - struct cache *cache = context; - return dm_cache_save_hint(cache->cmd, cblock, hint); -} - -static int write_hints(struct cache *cache) -{ - int r; - - r = dm_cache_begin_hints(cache->cmd, cache->policy); - if (r) { - DMERR("dm_cache_begin_hints failed"); - return r; - } - - r = policy_walk_mappings(cache->policy, save_hint, cache); - if (r) - DMERR("policy_walk_mappings failed"); - - return r; -} - /* * returns true on success */ @@ -2672,7 +2620,7 @@ static bool sync_metadata(struct cache *cache) save_stats(cache); - r3 = write_hints(cache); + r3 = dm_cache_write_hints(cache->cmd, cache->policy); if (r3) DMERR("could not write hints"); @@ -3120,7 +3068,7 @@ static void set_discard_limits(struct cache *cache, struct queue_limits *limits) /* * FIXME: these limits may be incompatible with the cache device */ - limits->max_discard_sectors = cache->discard_block_size * 1024; + limits->max_discard_sectors = cache->discard_block_size; limits->discard_granularity = cache->discard_block_size << SECTOR_SHIFT; } @@ -3145,7 +3093,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {1, 3, 0}, + .version = {1, 4, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 784695d22fde..53b213226c01 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -19,7 +19,6 @@ #include <linux/crypto.h> #include <linux/workqueue.h> #include <linux/backing-dev.h> -#include <linux/percpu.h> #include <linux/atomic.h> #include <linux/scatterlist.h> #include <asm/page.h> @@ -43,6 +42,7 @@ struct convert_context { struct bvec_iter iter_out; sector_t cc_sector; atomic_t cc_pending; + struct ablkcipher_request *req; }; /* @@ -111,15 +111,7 @@ struct iv_tcw_private { enum flags { DM_CRYPT_SUSPENDED, DM_CRYPT_KEY_VALID }; /* - * Duplicated per-CPU state for cipher. - */ -struct crypt_cpu { - struct ablkcipher_request *req; -}; - -/* - * The fields in here must be read only after initialization, - * changing state should be in crypt_cpu. + * The fields in here must be read only after initialization. */ struct crypt_config { struct dm_dev *dev; @@ -150,12 +142,6 @@ struct crypt_config { sector_t iv_offset; unsigned int iv_size; - /* - * Duplicated per cpu state. Access through - * per_cpu_ptr() only. - */ - struct crypt_cpu __percpu *cpu; - /* ESSIV: struct crypto_cipher *essiv_tfm */ void *iv_private; struct crypto_ablkcipher **tfms; @@ -192,11 +178,6 @@ static void clone_init(struct dm_crypt_io *, struct bio *); static void kcryptd_queue_crypt(struct dm_crypt_io *io); static u8 *iv_of_dmreq(struct crypt_config *cc, struct dm_crypt_request *dmreq); -static struct crypt_cpu *this_crypt_config(struct crypt_config *cc) -{ - return this_cpu_ptr(cc->cpu); -} - /* * Use this to access cipher attributes that are the same for each CPU. */ @@ -903,16 +884,15 @@ static void kcryptd_async_done(struct crypto_async_request *async_req, static void crypt_alloc_req(struct crypt_config *cc, struct convert_context *ctx) { - struct crypt_cpu *this_cc = this_crypt_config(cc); unsigned key_index = ctx->cc_sector & (cc->tfms_count - 1); - if (!this_cc->req) - this_cc->req = mempool_alloc(cc->req_pool, GFP_NOIO); + if (!ctx->req) + ctx->req = mempool_alloc(cc->req_pool, GFP_NOIO); - ablkcipher_request_set_tfm(this_cc->req, cc->tfms[key_index]); - ablkcipher_request_set_callback(this_cc->req, + ablkcipher_request_set_tfm(ctx->req, cc->tfms[key_index]); + ablkcipher_request_set_callback(ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG | CRYPTO_TFM_REQ_MAY_SLEEP, - kcryptd_async_done, dmreq_of_req(cc, this_cc->req)); + kcryptd_async_done, dmreq_of_req(cc, ctx->req)); } /* @@ -921,7 +901,6 @@ static void crypt_alloc_req(struct crypt_config *cc, static int crypt_convert(struct crypt_config *cc, struct convert_context *ctx) { - struct crypt_cpu *this_cc = this_crypt_config(cc); int r; atomic_set(&ctx->cc_pending, 1); @@ -932,7 +911,7 @@ static int crypt_convert(struct crypt_config *cc, atomic_inc(&ctx->cc_pending); - r = crypt_convert_block(cc, ctx, this_cc->req); + r = crypt_convert_block(cc, ctx, ctx->req); switch (r) { /* async */ @@ -941,7 +920,7 @@ static int crypt_convert(struct crypt_config *cc, reinit_completion(&ctx->restart); /* fall through*/ case -EINPROGRESS: - this_cc->req = NULL; + ctx->req = NULL; ctx->cc_sector++; continue; @@ -1040,6 +1019,7 @@ static struct dm_crypt_io *crypt_io_alloc(struct crypt_config *cc, io->sector = sector; io->error = 0; io->base_io = NULL; + io->ctx.req = NULL; atomic_set(&io->io_pending, 0); return io; @@ -1065,6 +1045,8 @@ static void crypt_dec_pending(struct dm_crypt_io *io) if (!atomic_dec_and_test(&io->io_pending)) return; + if (io->ctx.req) + mempool_free(io->ctx.req, cc->req_pool); mempool_free(io, cc->io_pool); if (likely(!base_io)) @@ -1492,8 +1474,6 @@ static int crypt_wipe_key(struct crypt_config *cc) static void crypt_dtr(struct dm_target *ti) { struct crypt_config *cc = ti->private; - struct crypt_cpu *cpu_cc; - int cpu; ti->private = NULL; @@ -1505,13 +1485,6 @@ static void crypt_dtr(struct dm_target *ti) if (cc->crypt_queue) destroy_workqueue(cc->crypt_queue); - if (cc->cpu) - for_each_possible_cpu(cpu) { - cpu_cc = per_cpu_ptr(cc->cpu, cpu); - if (cpu_cc->req) - mempool_free(cpu_cc->req, cc->req_pool); - } - crypt_free_tfms(cc); if (cc->bs) @@ -1530,9 +1503,6 @@ static void crypt_dtr(struct dm_target *ti) if (cc->dev) dm_put_device(ti, cc->dev); - if (cc->cpu) - free_percpu(cc->cpu); - kzfree(cc->cipher); kzfree(cc->cipher_string); @@ -1588,13 +1558,6 @@ static int crypt_ctr_cipher(struct dm_target *ti, if (tmp) DMWARN("Ignoring unexpected additional cipher options"); - cc->cpu = __alloc_percpu(sizeof(*(cc->cpu)), - __alignof__(struct crypt_cpu)); - if (!cc->cpu) { - ti->error = "Cannot allocate per cpu state"; - goto bad_mem; - } - /* * For compatibility with the original dm-crypt mapping format, if * only the cipher name is supplied, use cbc-plain. diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index fb9efc829182..b086a945edcb 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -192,6 +192,13 @@ struct dm_pool_metadata { * operation possible in this state is the closing of the device. */ bool fail_io:1; + + /* + * Reading the space map roots can fail, so we read it into these + * buffers before the superblock is locked and updated. + */ + __u8 data_space_map_root[SPACE_MAP_ROOT_SIZE]; + __u8 metadata_space_map_root[SPACE_MAP_ROOT_SIZE]; }; struct dm_thin_device { @@ -431,26 +438,53 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) pmd->details_info.value_type.equal = NULL; } +static int save_sm_roots(struct dm_pool_metadata *pmd) +{ + int r; + size_t len; + + r = dm_sm_root_size(pmd->metadata_sm, &len); + if (r < 0) + return r; + + r = dm_sm_copy_root(pmd->metadata_sm, &pmd->metadata_space_map_root, len); + if (r < 0) + return r; + + r = dm_sm_root_size(pmd->data_sm, &len); + if (r < 0) + return r; + + return dm_sm_copy_root(pmd->data_sm, &pmd->data_space_map_root, len); +} + +static void copy_sm_roots(struct dm_pool_metadata *pmd, + struct thin_disk_superblock *disk) +{ + memcpy(&disk->metadata_space_map_root, + &pmd->metadata_space_map_root, + sizeof(pmd->metadata_space_map_root)); + + memcpy(&disk->data_space_map_root, + &pmd->data_space_map_root, + sizeof(pmd->data_space_map_root)); +} + static int __write_initial_superblock(struct dm_pool_metadata *pmd) { int r; struct dm_block *sblock; - size_t metadata_len, data_len; struct thin_disk_superblock *disk_super; sector_t bdev_size = i_size_read(pmd->bdev->bd_inode) >> SECTOR_SHIFT; if (bdev_size > THIN_METADATA_MAX_SECTORS) bdev_size = THIN_METADATA_MAX_SECTORS; - r = dm_sm_root_size(pmd->metadata_sm, &metadata_len); - if (r < 0) - return r; - - r = dm_sm_root_size(pmd->data_sm, &data_len); + r = dm_sm_commit(pmd->data_sm); if (r < 0) return r; - r = dm_sm_commit(pmd->data_sm); + r = save_sm_roots(pmd); if (r < 0) return r; @@ -471,15 +505,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd) disk_super->trans_id = 0; disk_super->held_root = 0; - r = dm_sm_copy_root(pmd->metadata_sm, &disk_super->metadata_space_map_root, - metadata_len); - if (r < 0) - goto bad_locked; - - r = dm_sm_copy_root(pmd->data_sm, &disk_super->data_space_map_root, - data_len); - if (r < 0) - goto bad_locked; + copy_sm_roots(pmd, disk_super); disk_super->data_mapping_root = cpu_to_le64(pmd->root); disk_super->device_details_root = cpu_to_le64(pmd->details_root); @@ -488,10 +514,6 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd) disk_super->data_block_size = cpu_to_le32(pmd->data_block_size); return dm_tm_commit(pmd->tm, sblock); - -bad_locked: - dm_bm_unlock(sblock); - return r; } static int __format_metadata(struct dm_pool_metadata *pmd) @@ -769,6 +791,10 @@ static int __commit_transaction(struct dm_pool_metadata *pmd) if (r < 0) return r; + r = save_sm_roots(pmd); + if (r < 0) + return r; + r = superblock_lock(pmd, &sblock); if (r) return r; @@ -780,21 +806,9 @@ static int __commit_transaction(struct dm_pool_metadata *pmd) disk_super->trans_id = cpu_to_le64(pmd->trans_id); disk_super->flags = cpu_to_le32(pmd->flags); - r = dm_sm_copy_root(pmd->metadata_sm, &disk_super->metadata_space_map_root, - metadata_len); - if (r < 0) - goto out_locked; - - r = dm_sm_copy_root(pmd->data_sm, &disk_super->data_space_map_root, - data_len); - if (r < 0) - goto out_locked; + copy_sm_roots(pmd, disk_super); return dm_tm_commit(pmd->tm, sblock); - -out_locked: - dm_bm_unlock(sblock); - return r; } struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index be70d38745f7..359af3a519b5 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -25,6 +25,9 @@ #define MAPPING_POOL_SIZE 1024 #define PRISON_CELLS 1024 #define COMMIT_PERIOD HZ +#define NO_SPACE_TIMEOUT_SECS 60 + +static unsigned no_space_timeout_secs = NO_SPACE_TIMEOUT_SECS; DECLARE_DM_KCOPYD_THROTTLE_WITH_MODULE_PARM(snapshot_copy_throttle, "A percentage of time allocated for copy on write"); @@ -173,6 +176,7 @@ struct pool { struct workqueue_struct *wq; struct work_struct worker; struct delayed_work waker; + struct delayed_work no_space_timeout; unsigned long last_commit_jiffies; unsigned ref_count; @@ -920,7 +924,7 @@ static int commit(struct pool *pool) { int r; - if (get_pool_mode(pool) != PM_WRITE) + if (get_pool_mode(pool) >= PM_READ_ONLY) return -EINVAL; r = dm_pool_commit_metadata(pool->pmd); @@ -1392,9 +1396,9 @@ static void process_deferred_bios(struct pool *pool) */ if (ensure_next_mapping(pool)) { spin_lock_irqsave(&pool->lock, flags); + bio_list_add(&pool->deferred_bios, bio); bio_list_merge(&pool->deferred_bios, &bios); spin_unlock_irqrestore(&pool->lock, flags); - break; } @@ -1449,6 +1453,20 @@ static void do_waker(struct work_struct *ws) queue_delayed_work(pool->wq, &pool->waker, COMMIT_PERIOD); } +/* + * We're holding onto IO to allow userland time to react. After the + * timeout either the pool will have been resized (and thus back in + * PM_WRITE mode), or we degrade to PM_READ_ONLY and start erroring IO. + */ +static void do_no_space_timeout(struct work_struct *ws) +{ + struct pool *pool = container_of(to_delayed_work(ws), struct pool, + no_space_timeout); + + if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) + set_pool_mode(pool, PM_READ_ONLY); +} + /*----------------------------------------------------------------*/ struct noflush_work { @@ -1513,6 +1531,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) struct pool_c *pt = pool->ti->private; bool needs_check = dm_pool_metadata_needs_check(pool->pmd); enum pool_mode old_mode = get_pool_mode(pool); + unsigned long no_space_timeout = ACCESS_ONCE(no_space_timeout_secs) * HZ; /* * Never allow the pool to transition to PM_WRITE mode if user @@ -1574,6 +1593,9 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) pool->process_discard = process_discard; pool->process_prepared_mapping = process_prepared_mapping; pool->process_prepared_discard = process_prepared_discard_passdown; + + if (!pool->pf.error_if_no_space && no_space_timeout) + queue_delayed_work(pool->wq, &pool->no_space_timeout, no_space_timeout); break; case PM_WRITE: @@ -1956,6 +1978,7 @@ static struct pool *pool_create(struct mapped_device *pool_md, INIT_WORK(&pool->worker, do_worker); INIT_DELAYED_WORK(&pool->waker, do_waker); + INIT_DELAYED_WORK(&pool->no_space_timeout, do_no_space_timeout); spin_lock_init(&pool->lock); bio_list_init(&pool->deferred_bios); bio_list_init(&pool->deferred_flush_bios); @@ -2519,6 +2542,7 @@ static void pool_postsuspend(struct dm_target *ti) struct pool *pool = pt->pool; cancel_delayed_work(&pool->waker); + cancel_delayed_work(&pool->no_space_timeout); flush_workqueue(pool->wq); (void) commit(pool); } @@ -2901,7 +2925,8 @@ static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits) */ if (pt->adjusted_pf.discard_passdown) { data_limits = &bdev_get_queue(pt->data_dev->bdev)->limits; - limits->discard_granularity = data_limits->discard_granularity; + limits->discard_granularity = max(data_limits->discard_granularity, + pool->sectors_per_block << SECTOR_SHIFT); } else limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT; } @@ -3305,6 +3330,9 @@ static void dm_thin_exit(void) module_init(dm_thin_init); module_exit(dm_thin_exit); +module_param_named(no_space_timeout, no_space_timeout_secs, uint, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(no_space_timeout, "Out of data space queue IO timeout in seconds"); + MODULE_DESCRIPTION(DM_NAME " thin provisioning target"); MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>"); MODULE_LICENSE("GPL"); diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c index 796007a5e0e1..7a7bab8947ae 100644 --- a/drivers/md/dm-verity.c +++ b/drivers/md/dm-verity.c @@ -330,15 +330,17 @@ test_block_hash: return r; } } - todo = 1 << v->data_dev_block_bits; - while (io->iter.bi_size) { + do { u8 *page; + unsigned len; struct bio_vec bv = bio_iter_iovec(bio, io->iter); page = kmap_atomic(bv.bv_page); - r = crypto_shash_update(desc, page + bv.bv_offset, - bv.bv_len); + len = bv.bv_len; + if (likely(len >= todo)) + len = todo; + r = crypto_shash_update(desc, page + bv.bv_offset, len); kunmap_atomic(page); if (r < 0) { @@ -346,8 +348,9 @@ test_block_hash: return r; } - bio_advance_iter(bio, &io->iter, bv.bv_len); - } + bio_advance_iter(bio, &io->iter, len); + todo -= len; + } while (todo); if (!v->version) { r = crypto_shash_update(desc, v->salt, v->salt_size); diff --git a/drivers/md/md.c b/drivers/md/md.c index 4ad5cc4e63e8..73aedcb639c0 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7395,8 +7395,10 @@ void md_do_sync(struct md_thread *thread) /* just incase thread restarts... */ if (test_bit(MD_RECOVERY_DONE, &mddev->recovery)) return; - if (mddev->ro) /* never try to sync a read-only array */ + if (mddev->ro) {/* never try to sync a read-only array */ + set_bit(MD_RECOVERY_INTR, &mddev->recovery); return; + } if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) { if (test_bit(MD_RECOVERY_CHECK, &mddev->recovery)) { @@ -7503,6 +7505,19 @@ void md_do_sync(struct md_thread *thread) rdev->recovery_offset < j) j = rdev->recovery_offset; rcu_read_unlock(); + + /* If there is a bitmap, we need to make sure all + * writes that started before we added a spare + * complete before we start doing a recovery. + * Otherwise the write might complete and (via + * bitmap_endwrite) set a bit in the bitmap after the + * recovery has checked that bit and skipped that + * region. + */ + if (mddev->bitmap) { + mddev->pers->quiesce(mddev, 1); + mddev->pers->quiesce(mddev, 0); + } } printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev)); @@ -7838,6 +7853,7 @@ void md_check_recovery(struct mddev *mddev) /* There is no thread, but we need to call * ->spare_active and clear saved_raid_disk */ + set_bit(MD_RECOVERY_INTR, &mddev->recovery); md_reap_sync_thread(mddev); clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); goto unlock; @@ -8530,7 +8546,8 @@ static int md_notify_reboot(struct notifier_block *this, if (mddev_trylock(mddev)) { if (mddev->pers) __md_stop_writes(mddev); - mddev->safemode = 2; + if (mddev->persistent) + mddev->safemode = 2; mddev_unlock(mddev); } need_delay = 1; diff --git a/drivers/md/persistent-data/dm-block-manager.c b/drivers/md/persistent-data/dm-block-manager.c index 455f79279a16..087411c95ffc 100644 --- a/drivers/md/persistent-data/dm-block-manager.c +++ b/drivers/md/persistent-data/dm-block-manager.c @@ -595,25 +595,14 @@ int dm_bm_unlock(struct dm_block *b) } EXPORT_SYMBOL_GPL(dm_bm_unlock); -int dm_bm_flush_and_unlock(struct dm_block_manager *bm, - struct dm_block *superblock) +int dm_bm_flush(struct dm_block_manager *bm) { - int r; - if (bm->read_only) return -EPERM; - r = dm_bufio_write_dirty_buffers(bm->bufio); - if (unlikely(r)) { - dm_bm_unlock(superblock); - return r; - } - - dm_bm_unlock(superblock); - return dm_bufio_write_dirty_buffers(bm->bufio); } -EXPORT_SYMBOL_GPL(dm_bm_flush_and_unlock); +EXPORT_SYMBOL_GPL(dm_bm_flush); void dm_bm_prefetch(struct dm_block_manager *bm, dm_block_t b) { diff --git a/drivers/md/persistent-data/dm-block-manager.h b/drivers/md/persistent-data/dm-block-manager.h index 13cd58e1fe69..1b95dfc17786 100644 --- a/drivers/md/persistent-data/dm-block-manager.h +++ b/drivers/md/persistent-data/dm-block-manager.h @@ -105,8 +105,7 @@ int dm_bm_unlock(struct dm_block *b); * * This method always blocks. */ -int dm_bm_flush_and_unlock(struct dm_block_manager *bm, - struct dm_block *superblock); +int dm_bm_flush(struct dm_block_manager *bm); /* * Request data is prefetched into the cache. diff --git a/drivers/md/persistent-data/dm-transaction-manager.c b/drivers/md/persistent-data/dm-transaction-manager.c index 81da1a26042e..3bc30a0ae3d6 100644 --- a/drivers/md/persistent-data/dm-transaction-manager.c +++ b/drivers/md/persistent-data/dm-transaction-manager.c @@ -154,7 +154,7 @@ int dm_tm_pre_commit(struct dm_transaction_manager *tm) if (r < 0) return r; - return 0; + return dm_bm_flush(tm->bm); } EXPORT_SYMBOL_GPL(dm_tm_pre_commit); @@ -164,8 +164,9 @@ int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *root) return -EWOULDBLOCK; wipe_shadow_table(tm); + dm_bm_unlock(root); - return dm_bm_flush_and_unlock(tm->bm, root); + return dm_bm_flush(tm->bm); } EXPORT_SYMBOL_GPL(dm_tm_commit); diff --git a/drivers/md/persistent-data/dm-transaction-manager.h b/drivers/md/persistent-data/dm-transaction-manager.h index b5b139076ca5..2772ed2a781a 100644 --- a/drivers/md/persistent-data/dm-transaction-manager.h +++ b/drivers/md/persistent-data/dm-transaction-manager.h @@ -38,18 +38,17 @@ struct dm_transaction_manager *dm_tm_create_non_blocking_clone(struct dm_transac /* * We use a 2-phase commit here. * - * i) In the first phase the block manager is told to start flushing, and - * the changes to the space map are written to disk. You should interrogate - * your particular space map to get detail of its root node etc. to be - * included in your superblock. + * i) Make all changes for the transaction *except* for the superblock. + * Then call dm_tm_pre_commit() to flush them to disk. * - * ii) @root will be committed last. You shouldn't use more than the - * first 512 bytes of @root if you wish the transaction to survive a power - * failure. You *must* have a write lock held on @root for both stage (i) - * and (ii). The commit will drop the write lock. + * ii) Lock your superblock. Update. Then call dm_tm_commit() which will + * unlock the superblock and flush it. No other blocks should be updated + * during this period. Care should be taken to never unlock a partially + * updated superblock; perform any operations that could fail *before* you + * take the superblock lock. */ int dm_tm_pre_commit(struct dm_transaction_manager *tm); -int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *root); +int dm_tm_commit(struct dm_transaction_manager *tm, struct dm_block *superblock); /* * These methods are the only way to get hold of a writeable block. diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 4a6ca1cb2e78..56e24c072b62 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -97,6 +97,7 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data) struct pool_info *pi = data; struct r1bio *r1_bio; struct bio *bio; + int need_pages; int i, j; r1_bio = r1bio_pool_alloc(gfp_flags, pi); @@ -119,15 +120,15 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data) * RESYNC_PAGES for each bio. */ if (test_bit(MD_RECOVERY_REQUESTED, &pi->mddev->recovery)) - j = pi->raid_disks; + need_pages = pi->raid_disks; else - j = 1; - while(j--) { + need_pages = 1; + for (j = 0; j < need_pages; j++) { bio = r1_bio->bios[j]; bio->bi_vcnt = RESYNC_PAGES; if (bio_alloc_pages(bio, gfp_flags)) - goto out_free_bio; + goto out_free_pages; } /* If not user-requests, copy the page pointers to all bios */ if (!test_bit(MD_RECOVERY_REQUESTED, &pi->mddev->recovery)) { @@ -141,6 +142,14 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data) return r1_bio; +out_free_pages: + while (--j >= 0) { + struct bio_vec *bv; + + bio_for_each_segment_all(bv, r1_bio->bios[j], i) + __free_page(bv->bv_page); + } + out_free_bio: while (++j < pi->raid_disks) bio_put(r1_bio->bios[j]); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 33fc408e5eac..cb882aae9e20 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1172,6 +1172,13 @@ static void __make_request(struct mddev *mddev, struct bio *bio) int max_sectors; int sectors; + /* + * Register the new request and wait if the reconstruction + * thread has put up a bar for new requests. + * Continue immediately if no resync is active currently. + */ + wait_barrier(conf); + sectors = bio_sectors(bio); while (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && bio->bi_iter.bi_sector < conf->reshape_progress && @@ -1552,12 +1559,6 @@ static void make_request(struct mddev *mddev, struct bio *bio) md_write_start(mddev, bio); - /* - * Register the new request and wait if the reconstruction - * thread has put up a bar for new requests. - * Continue immediately if no resync is active currently. - */ - wait_barrier(conf); do { diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h index f19a2ccd1e4b..80643ef9183f 100644 --- a/drivers/media/dvb-core/dvb-usb-ids.h +++ b/drivers/media/dvb-core/dvb-usb-ids.h @@ -257,6 +257,7 @@ #define USB_PID_TERRATEC_T5 0x10a1 #define USB_PID_NOXON_DAB_STICK 0x00b3 #define USB_PID_NOXON_DAB_STICK_REV2 0x00e0 +#define USB_PID_NOXON_DAB_STICK_REV3 0x00b4 #define USB_PID_PINNACLE_EXPRESSCARD_320CX 0x022e #define USB_PID_PINNACLE_PCTV2000E 0x022c #define USB_PID_PINNACLE_PCTV_DVB_T_FLASH 0x0228 @@ -360,6 +361,7 @@ #define USB_PID_FRIIO_WHITE 0x0001 #define USB_PID_TVWAY_PLUS 0x0002 #define USB_PID_SVEON_STV20 0xe39d +#define USB_PID_SVEON_STV20_RTL2832U 0xd39d #define USB_PID_SVEON_STV22 0xe401 #define USB_PID_SVEON_STV22_IT9137 0xe411 #define USB_PID_AZUREWAVE_AZ6027 0x3275 @@ -374,4 +376,5 @@ #define USB_PID_CTVDIGDUAL_V2 0xe410 #define USB_PID_PCTV_2002E 0x025c #define USB_PID_PCTV_2002E_SE 0x025d +#define USB_PID_SVEON_STV27 0xd3af #endif diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index e8a1ce204036..cdd7c1b7259b 100644 --- a/drivers/media/i2c/ov7670.c +++ b/drivers/media/i2c/ov7670.c @@ -1109,7 +1109,7 @@ static int ov7670_enum_framesizes(struct v4l2_subdev *sd, * windows that fall outside that. */ for (i = 0; i < n_win_sizes; i++) { - struct ov7670_win_size *win = &info->devtype->win_sizes[index]; + struct ov7670_win_size *win = &info->devtype->win_sizes[i]; if (info->min_width && win->width < info->min_width) continue; if (info->min_height && win->height < info->min_height) diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index d5a7a135f75d..703560fa5e73 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -93,6 +93,7 @@ static long media_device_enum_entities(struct media_device *mdev, struct media_entity *ent; struct media_entity_desc u_ent; + memset(&u_ent, 0, sizeof(u_ent)); if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id))) return -EFAULT; diff --git a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c index e1863dbf4edc..7a9b98bc208b 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-pcm.c +++ b/drivers/media/pci/ivtv/ivtv-alsa-pcm.c @@ -159,6 +159,12 @@ static int snd_ivtv_pcm_capture_open(struct snd_pcm_substream *substream) /* Instruct the CX2341[56] to start sending packets */ snd_ivtv_lock(itvsc); + + if (ivtv_init_on_first_open(itv)) { + snd_ivtv_unlock(itvsc); + return -ENXIO; + } + s = &itv->streams[IVTV_ENC_STREAM_TYPE_PCM]; v4l2_fh_init(&item.fh, s->vdev); diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index eb472b5b26a0..40396e8b16a8 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -1243,6 +1243,7 @@ static int video_release(struct file *file) videobuf_streamoff(&dev->cap); res_free(dev, fh, RESOURCE_VIDEO); videobuf_mmap_free(&dev->cap); + INIT_LIST_HEAD(&dev->cap.stream); } if (dev->cap.read_buf) { buffer_release(&dev->cap, dev->cap.read_buf); @@ -1254,6 +1255,7 @@ static int video_release(struct file *file) videobuf_stop(&dev->vbi); res_free(dev, fh, RESOURCE_VBI); videobuf_mmap_free(&dev->vbi); + INIT_LIST_HEAD(&dev->vbi.stream); } /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ @@ -1987,17 +1989,12 @@ int saa7134_streamoff(struct file *file, void *priv, enum v4l2_buf_type type) { struct saa7134_dev *dev = video_drvdata(file); - int err; int res = saa7134_resource(file); if (res != RESOURCE_EMPRESS) pm_qos_remove_request(&dev->qos_request); - err = videobuf_streamoff(saa7134_queue(file)); - if (err < 0) - return err; - res_free(dev, priv, res); - return 0; + return videobuf_streamoff(saa7134_queue(file)); } EXPORT_SYMBOL_GPL(saa7134_streamoff); diff --git a/drivers/media/tuners/fc2580.c b/drivers/media/tuners/fc2580.c index 3aecaf465094..f0c9c42867de 100644 --- a/drivers/media/tuners/fc2580.c +++ b/drivers/media/tuners/fc2580.c @@ -195,7 +195,7 @@ static int fc2580_set_params(struct dvb_frontend *fe) f_ref = 2UL * priv->cfg->clock / r_val; n_val = div_u64_rem(f_vco, f_ref, &k_val); - k_val_reg = 1UL * k_val * (1 << 20) / f_ref; + k_val_reg = div_u64(1ULL * k_val * (1 << 20), f_ref); ret = fc2580_wr_reg(priv, 0x18, r18_val | ((k_val_reg >> 16) & 0xff)); if (ret < 0) @@ -348,8 +348,8 @@ static int fc2580_set_params(struct dvb_frontend *fe) if (ret < 0) goto err; - ret = fc2580_wr_reg(priv, 0x37, 1UL * priv->cfg->clock * \ - fc2580_if_filter_lut[i].mul / 1000000000); + ret = fc2580_wr_reg(priv, 0x37, div_u64(1ULL * priv->cfg->clock * + fc2580_if_filter_lut[i].mul, 1000000000)); if (ret < 0) goto err; diff --git a/drivers/media/tuners/fc2580_priv.h b/drivers/media/tuners/fc2580_priv.h index be38a9e637e0..646c99452136 100644 --- a/drivers/media/tuners/fc2580_priv.h +++ b/drivers/media/tuners/fc2580_priv.h @@ -22,6 +22,7 @@ #define FC2580_PRIV_H #include "fc2580.h" +#include <linux/math64.h> struct fc2580_reg_val { u8 reg; diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index fda5c64ba0e8..fd1312d0b078 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -1382,6 +1382,7 @@ static const struct dvb_usb_device_properties rtl2832u_props = { }; static const struct usb_device_id rtl28xxu_id_table[] = { + /* RTL2831U devices: */ { DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U, &rtl2831u_props, "Realtek RTL2831U reference design", NULL) }, { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT, @@ -1389,6 +1390,7 @@ static const struct usb_device_id rtl28xxu_id_table[] = { { DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2, &rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) }, + /* RTL2832U devices: */ { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832, &rtl2832u_props, "Realtek RTL2832U reference design", NULL) }, { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838, @@ -1401,6 +1403,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = { &rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) }, { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2, &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) }, + { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3, + &rtl2832u_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) }, { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0, &rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) }, { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101, @@ -1429,7 +1433,16 @@ static const struct usb_device_id rtl28xxu_id_table[] = { &rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) }, { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A, &rtl2832u_props, "Crypto ReDi PC 50 A", NULL) }, - + { DVB_USB_DEVICE(USB_VID_KYE, 0x707f, + &rtl2832u_props, "Genius TVGo DVB-T03", NULL) }, + { DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395, + &rtl2832u_props, "Peak DVB-T USB", NULL) }, + { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U, + &rtl2832u_props, "Sveon STV20", NULL) }, + { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27, + &rtl2832u_props, "Sveon STV27", NULL) }, + + /* RTL2832P devices: */ { DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131, &rtl2832u_props, "Astrometa DVB-T2", NULL) }, { } diff --git a/drivers/media/usb/stk1160/stk1160-core.c b/drivers/media/usb/stk1160/stk1160-core.c index 34a26e0cfe77..03504dcf3c52 100644 --- a/drivers/media/usb/stk1160/stk1160-core.c +++ b/drivers/media/usb/stk1160/stk1160-core.c @@ -67,17 +67,25 @@ int stk1160_read_reg(struct stk1160 *dev, u16 reg, u8 *value) { int ret; int pipe = usb_rcvctrlpipe(dev->udev, 0); + u8 *buf; *value = 0; + + buf = kmalloc(sizeof(u8), GFP_KERNEL); + if (!buf) + return -ENOMEM; ret = usb_control_msg(dev->udev, pipe, 0x00, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, reg, value, sizeof(u8), HZ); + 0x00, reg, buf, sizeof(u8), HZ); if (ret < 0) { stk1160_err("read failed on reg 0x%x (%d)\n", reg, ret); + kfree(buf); return ret; } + *value = *buf; + kfree(buf); return 0; } diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h index 05b05b160e1e..abdea484c998 100644 --- a/drivers/media/usb/stk1160/stk1160.h +++ b/drivers/media/usb/stk1160/stk1160.h @@ -143,7 +143,6 @@ struct stk1160 { int num_alt; struct stk1160_isoc_ctl isoc_ctl; - char urb_buf[255]; /* urb control msg buffer */ /* frame properties */ int width; /* current frame width */ diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index e32d6a59eaca..2ef5b0f8ef77 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -361,6 +361,14 @@ static int uvc_commit_video(struct uvc_streaming *stream, * Clocks and timestamps */ +static inline void uvc_video_get_ts(struct timespec *ts) +{ + if (uvc_clock_param == CLOCK_MONOTONIC) + ktime_get_ts(ts); + else + ktime_get_real_ts(ts); +} + static void uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, const __u8 *data, int len) @@ -420,7 +428,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, stream->clock.last_sof = dev_sof; host_sof = usb_get_current_frame_number(stream->dev->udev); - ktime_get_ts(&ts); + uvc_video_get_ts(&ts); /* The UVC specification allows device implementations that can't obtain * the USB frame number to keep their own frame counters as long as they @@ -1011,10 +1019,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream, return -ENODATA; } - if (uvc_clock_param == CLOCK_MONOTONIC) - ktime_get_ts(&ts); - else - ktime_get_real_ts(&ts); + uvc_video_get_ts(&ts); buf->buf.v4l2_buf.sequence = stream->sequence; buf->buf.v4l2_buf.timestamp.tv_sec = ts.tv_sec; diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index b63a5e584aa0..fca336b65351 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -178,6 +178,9 @@ struct v4l2_create_buffers32 { static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) { + if (get_user(kp->type, &up->type)) + return -EFAULT; + switch (kp->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: case V4L2_BUF_TYPE_VIDEO_OUTPUT: @@ -204,17 +207,16 @@ static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __us static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) { - if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) || - get_user(kp->type, &up->type)) - return -EFAULT; + if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32))) + return -EFAULT; return __get_v4l2_format32(kp, up); } static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up) { if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) || - copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format.fmt))) - return -EFAULT; + copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format))) + return -EFAULT; return __get_v4l2_format32(&kp->format, &up->format); } diff --git a/drivers/memory/mvebu-devbus.c b/drivers/memory/mvebu-devbus.c index 110c03627051..b59a17fb7c3e 100644 --- a/drivers/memory/mvebu-devbus.c +++ b/drivers/memory/mvebu-devbus.c @@ -108,8 +108,19 @@ static int devbus_set_timing_params(struct devbus *devbus, node->full_name); return err; } - /* Convert bit width to byte width */ - r.bus_width /= 8; + + /* + * The bus width is encoded into the register as 0 for 8 bits, + * and 1 for 16 bits, so we do the necessary conversion here. + */ + if (r.bus_width == 8) + r.bus_width = 0; + else if (r.bus_width == 16) + r.bus_width = 1; + else { + dev_err(devbus->dev, "invalid bus width %d\n", r.bus_width); + return -EINVAL; + } err = get_timing_param_ps(devbus, node, "devbus,badr-skew-ps", &r.badr_skew); diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 6f656c053b14..fbc4a7bbdfa9 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -164,6 +164,9 @@ static void mei_me_hw_reset_release(struct mei_device *dev) hcsr |= H_IG; hcsr &= ~H_RST; mei_hcsr_set(hw, hcsr); + + /* complete this write before we set host ready on another CPU */ + mmiowb(); } /** * mei_me_hw_reset - resets fw via mei csr register. @@ -183,8 +186,21 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) else hcsr &= ~H_IE; + dev->recvd_hw_ready = false; mei_me_reg_write(hw, H_CSR, hcsr); + /* + * Host reads the H_CSR once to ensure that the + * posted write to H_CSR completes. + */ + hcsr = mei_hcsr_read(hw); + + if ((hcsr & H_RST) == 0) + dev_warn(&dev->pdev->dev, "H_RST is not set = 0x%08X", hcsr); + + if ((hcsr & H_RDY) == H_RDY) + dev_warn(&dev->pdev->dev, "H_RDY is not cleared 0x%08X", hcsr); + if (intr_enable == false) mei_me_hw_reset_release(dev); @@ -201,6 +217,7 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) static void mei_me_host_set_ready(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); + hw->host_hw_state = mei_hcsr_read(hw); hw->host_hw_state |= H_IE | H_IG | H_RDY; mei_hcsr_set(hw, hw->host_hw_state); } @@ -233,10 +250,7 @@ static bool mei_me_hw_is_ready(struct mei_device *dev) static int mei_me_hw_ready_wait(struct mei_device *dev) { int err; - if (mei_me_hw_is_ready(dev)) - return 0; - dev->recvd_hw_ready = false; mutex_unlock(&dev->device_lock); err = wait_event_interruptible_timeout(dev->wait_hw_ready, dev->recvd_hw_ready, @@ -491,14 +505,13 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) /* check if we need to start the dev */ if (!mei_host_is_ready(dev)) { if (mei_hw_is_ready(dev)) { + mei_me_hw_reset_release(dev); dev_dbg(&dev->pdev->dev, "we need to start the dev.\n"); dev->recvd_hw_ready = true; wake_up_interruptible(&dev->wait_hw_ready); } else { - - dev_dbg(&dev->pdev->dev, "Reset Completed.\n"); - mei_me_hw_reset_release(dev); + dev_dbg(&dev->pdev->dev, "Spurious Interrupt\n"); } goto end; } diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index c46feda07d56..7e1866175e7b 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -246,6 +246,9 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host, case MMC_RSP_R1: rsp_type = SD_RSP_TYPE_R1; break; + case MMC_RSP_R1 & ~MMC_RSP_CRC: + rsp_type = SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7; + break; case MMC_RSP_R1B: rsp_type = SD_RSP_TYPE_R1b; break; diff --git a/drivers/mmc/host/sdhci-bcm-kona.c b/drivers/mmc/host/sdhci-bcm-kona.c index 7a190fe4dff1..e5565aa5ed36 100644 --- a/drivers/mmc/host/sdhci-bcm-kona.c +++ b/drivers/mmc/host/sdhci-bcm-kona.c @@ -314,7 +314,7 @@ err_pltfm_free: return ret; } -static int __exit sdhci_bcm_kona_remove(struct platform_device *pdev) +static int sdhci_bcm_kona_remove(struct platform_device *pdev) { return sdhci_pltfm_unregister(pdev); } diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index c36e9b84487c..2c059890a394 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -1220,6 +1220,7 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev, goto err; } + nand_chip->options |= NAND_NO_SUBPAGE_WRITE; nand_chip->ecc.read_page = atmel_nand_pmecc_read_page; nand_chip->ecc.write_page = atmel_nand_pmecc_write_page; diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index fec31d71b84e..fe8a020ecf25 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -1438,7 +1438,7 @@ static int __init doc_probe(unsigned long physadr) int reg, len, numchips; int ret = 0; - if (!request_mem_region(physadr, DOC_IOREMAP_LEN, NULL)) + if (!request_mem_region(physadr, DOC_IOREMAP_LEN, "DiskOnChip")) return -EBUSY; virtadr = ioremap(physadr, DOC_IOREMAP_LEN); if (!virtadr) { diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index bcf60800c3ce..c09ab95a2219 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -724,6 +724,19 @@ static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip, return 0; } +/* ECC will be calculated automatically, and errors will be detected in + * waitfunc. + */ +static int fsl_elbc_write_subpage(struct mtd_info *mtd, struct nand_chip *chip, + uint32_t offset, uint32_t data_len, + const uint8_t *buf, int oob_required) +{ + fsl_elbc_write_buf(mtd, buf, mtd->writesize); + fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize); + + return 0; +} + static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) { struct fsl_lbc_ctrl *ctrl = priv->ctrl; @@ -762,6 +775,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) chip->ecc.read_page = fsl_elbc_read_page; chip->ecc.write_page = fsl_elbc_write_page; + chip->ecc.write_subpage = fsl_elbc_write_subpage; /* If CS Base Register selects full hardware ECC then use it */ if ((in_be32(&lbc->bank[priv->bank].br) & BR_DECC) == diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c index 9ee09a8177c6..7360f7872d9a 100644 --- a/drivers/mtd/nand/nuc900_nand.c +++ b/drivers/mtd/nand/nuc900_nand.c @@ -225,7 +225,7 @@ static void nuc900_nand_enable(struct nuc900_nand *nand) val = __raw_readl(nand->reg + REG_FMICSR); if (!(val & NAND_EN)) - __raw_writel(val | NAND_EN, REG_FMICSR); + __raw_writel(val | NAND_EN, nand->reg + REG_FMICSR); val = __raw_readl(nand->reg + REG_SMCSR); diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index bf642ceef681..6f55d92dc233 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1451,7 +1451,7 @@ static int omap_elm_correct_data(struct mtd_info *mtd, u_char *data, /* Check if any error reported */ if (!is_error_reported) - return 0; + return stat; /* Decode BCH error using ELM module */ elm_decode_bch_error_page(info->elm_dev, ecc_vec, err_vec); diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 2a7a0b27ac38..51e15fd53108 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -128,10 +128,10 @@ /* macros for registers read/write */ #define nand_writel(info, off, val) \ - __raw_writel((val), (info)->mmio_base + (off)) + writel_relaxed((val), (info)->mmio_base + (off)) #define nand_readl(info, off) \ - __raw_readl((info)->mmio_base + (off)) + readl_relaxed((info)->mmio_base + (off)) /* error code and state */ enum { diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c index 4b8e89583f2a..cf49c22673b9 100644 --- a/drivers/mtd/sm_ftl.c +++ b/drivers/mtd/sm_ftl.c @@ -59,15 +59,12 @@ static struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) struct attribute_group *attr_group; struct attribute **attributes; struct sm_sysfs_attribute *vendor_attribute; + char *vendor; - int vendor_len = strnlen(ftl->cis_buffer + SM_CIS_VENDOR_OFFSET, - SM_SMALL_PAGE - SM_CIS_VENDOR_OFFSET); - - char *vendor = kmalloc(vendor_len, GFP_KERNEL); + vendor = kstrndup(ftl->cis_buffer + SM_CIS_VENDOR_OFFSET, + SM_SMALL_PAGE - SM_CIS_VENDOR_OFFSET, GFP_KERNEL); if (!vendor) goto error1; - memcpy(vendor, ftl->cis_buffer + SM_CIS_VENDOR_OFFSET, vendor_len); - vendor[vendor_len] = 0; /* Initialize sysfs attributes */ vendor_attribute = @@ -78,7 +75,7 @@ static struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) sysfs_attr_init(&vendor_attribute->dev_attr.attr); vendor_attribute->data = vendor; - vendor_attribute->len = vendor_len; + vendor_attribute->len = strlen(vendor); vendor_attribute->dev_attr.attr.name = "vendor"; vendor_attribute->dev_attr.attr.mode = S_IRUGO; vendor_attribute->dev_attr.show = sm_attr_show; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index e5628fc725c3..91ec8cd12478 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4536,6 +4536,7 @@ static int __init bonding_init(void) out: return res; err: + bond_destroy_debugfs(); bond_netlink_fini(); err_link: unregister_pernet_subsys(&bond_net_ops); diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index 298c26509095..a937a37ae89f 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -70,6 +70,7 @@ static struct bond_opt_value bond_fail_over_mac_tbl[] = { static struct bond_opt_value bond_intmax_tbl[] = { { "off", 0, BOND_VALFLAG_DEFAULT}, { "maxval", INT_MAX, BOND_VALFLAG_MAX}, + { NULL, -1, 0} }; static struct bond_opt_value bond_lacp_rate_tbl[] = { diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c index 065ca49eb45e..546a848add37 100644 --- a/drivers/net/can/sja1000/peak_pci.c +++ b/drivers/net/can/sja1000/peak_pci.c @@ -551,7 +551,7 @@ static int peak_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct sja1000_priv *priv; struct peak_pci_chan *chan; - struct net_device *dev; + struct net_device *dev, *prev_dev; void __iomem *cfg_base, *reg_base; u16 sub_sys_id, icr; int i, err, channels; @@ -687,11 +687,13 @@ failure_remove_channels: writew(0x0, cfg_base + PITA_ICR + 2); chan = NULL; - for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) { - unregister_sja1000dev(dev); - free_sja1000dev(dev); + for (dev = pci_get_drvdata(pdev); dev; dev = prev_dev) { priv = netdev_priv(dev); chan = priv->priv; + prev_dev = chan->prev_dev; + + unregister_sja1000dev(dev); + free_sja1000dev(dev); } /* free any PCIeC resources too */ @@ -725,10 +727,12 @@ static void peak_pci_remove(struct pci_dev *pdev) /* Loop over all registered devices */ while (1) { + struct net_device *prev_dev = chan->prev_dev; + dev_info(&pdev->dev, "removing device %s\n", dev->name); unregister_sja1000dev(dev); free_sja1000dev(dev); - dev = chan->prev_dev; + dev = prev_dev; if (!dev) { /* do that only for first channel */ diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 511f6eecd58b..62db510b70ea 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -725,6 +725,7 @@ static int emac_open(struct net_device *dev) ret = emac_mdio_probe(dev); if (ret < 0) { + free_irq(dev->irq, dev); netdev_err(dev, "cannot probe MDIO bus\n"); return ret; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 70a225c8df5c..a210766279d3 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -12294,7 +12294,9 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e if (tg3_flag(tp, MAX_RXPEND_64) && tp->rx_pending > 63) tp->rx_pending = 63; - tp->rx_jumbo_pending = ering->rx_jumbo_pending; + + if (tg3_flag(tp, JUMBO_RING_ENABLE)) + tp->rx_jumbo_pending = ering->rx_jumbo_pending; for (i = 0; i < tp->irq_max; i++) tp->napi[i].tx_pending = ering->tx_pending; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 6d91933c4cdd..0af6e060e238 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -2976,11 +2976,21 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) u32 rctl, rfctl; u32 pages = 0; - /* Workaround Si errata on PCHx - configure jumbo frame flow */ - if ((hw->mac.type >= e1000_pch2lan) && - (adapter->netdev->mtu > ETH_DATA_LEN) && - e1000_lv_jumbo_workaround_ich8lan(hw, true)) - e_dbg("failed to enable jumbo frame workaround mode\n"); + /* Workaround Si errata on PCHx - configure jumbo frame flow. + * If jumbo frames not set, program related MAC/PHY registers + * to h/w defaults + */ + if (hw->mac.type >= e1000_pch2lan) { + s32 ret_val; + + if (adapter->netdev->mtu > ETH_DATA_LEN) + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); + else + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); + + if (ret_val) + e_dbg("failed to enable|disable jumbo frame workaround mode\n"); + } /* Program MC offset vector base */ rctl = er32(RCTL); diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index b9d1c1c8ca5a..178506a201d5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1776,7 +1776,7 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, u32 v_retval, u8 *msg, u16 msglen) { struct i40e_hw *hw = &pf->hw; - int local_vf_id = vf_id - hw->func_caps.vf_base_id; + unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id; struct i40e_vf *vf; int ret; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 46d31a49f5ea..d9c7eb279141 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1014,6 +1014,12 @@ static void igb_reset_q_vector(struct igb_adapter *adapter, int v_idx) { struct igb_q_vector *q_vector = adapter->q_vector[v_idx]; + /* Coming from igb_set_interrupt_capability, the vectors are not yet + * allocated. So, q_vector is NULL so we should stop here. + */ + if (!q_vector) + return; + if (q_vector->tx.ring) adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL; @@ -1121,6 +1127,7 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter, bool msix) /* If we can't do MSI-X, try MSI */ msi_only: + adapter->flags &= ~IGB_FLAG_HAS_MSIX; #ifdef CONFIG_PCI_IOV /* disable SR-IOV for non MSI-X configurations */ if (adapter->vf_data) { diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 8d76fca7fde7..ca2dfbe01598 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -89,9 +89,8 @@ #define MVNETA_TX_IN_PRGRS BIT(1) #define MVNETA_TX_FIFO_EMPTY BIT(8) #define MVNETA_RX_MIN_FRAME_SIZE 0x247c -#define MVNETA_SERDES_CFG 0x24A0 +#define MVNETA_SGMII_SERDES_CFG 0x24A0 #define MVNETA_SGMII_SERDES_PROTO 0x0cc7 -#define MVNETA_RGMII_SERDES_PROTO 0x0667 #define MVNETA_TYPE_PRIO 0x24bc #define MVNETA_FORCE_UNI BIT(21) #define MVNETA_TXQ_CMD_1 0x24e4 @@ -712,6 +711,35 @@ static void mvneta_rxq_bm_disable(struct mvneta_port *pp, mvreg_write(pp, MVNETA_RXQ_CONFIG_REG(rxq->id), val); } + + +/* Sets the RGMII Enable bit (RGMIIEn) in port MAC control register */ +static void mvneta_gmac_rgmii_set(struct mvneta_port *pp, int enable) +{ + u32 val; + + val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); + + if (enable) + val |= MVNETA_GMAC2_PORT_RGMII; + else + val &= ~MVNETA_GMAC2_PORT_RGMII; + + mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); +} + +/* Config SGMII port */ +static void mvneta_port_sgmii_config(struct mvneta_port *pp) +{ + u32 val; + + val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); + val |= MVNETA_GMAC2_PCS_ENABLE; + mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); + + mvreg_write(pp, MVNETA_SGMII_SERDES_CFG, MVNETA_SGMII_SERDES_PROTO); +} + /* Start the Ethernet port RX and TX activity */ static void mvneta_port_up(struct mvneta_port *pp) { @@ -2729,15 +2757,12 @@ static void mvneta_port_power_up(struct mvneta_port *pp, int phy_mode) mvreg_write(pp, MVNETA_UNIT_INTR_CAUSE, 0); if (phy_mode == PHY_INTERFACE_MODE_SGMII) - mvreg_write(pp, MVNETA_SERDES_CFG, MVNETA_SGMII_SERDES_PROTO); - else - mvreg_write(pp, MVNETA_SERDES_CFG, MVNETA_RGMII_SERDES_PROTO); + mvneta_port_sgmii_config(pp); - val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); - - val |= MVNETA_GMAC2_PCS_ENABLE | MVNETA_GMAC2_PORT_RGMII; + mvneta_gmac_rgmii_set(pp, 1); /* Cancel Port Reset */ + val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); val &= ~MVNETA_GMAC2_PORT_RESET; mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 70e95324a97d..c2cd8d31bcad 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -66,7 +66,6 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv, cq->ring = ring; cq->is_tx = mode; - spin_lock_init(&cq->lock); /* Allocate HW buffers on provided NUMA node. * dev->numa_node is used in mtt range allocation flow. diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 84a96f70dfb5..2f83f3489fdb 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1315,15 +1315,11 @@ static void mlx4_en_netpoll(struct net_device *dev) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_en_cq *cq; - unsigned long flags; int i; for (i = 0; i < priv->rx_ring_num; i++) { cq = priv->rx_cq[i]; - spin_lock_irqsave(&cq->lock, flags); - napi_synchronize(&cq->napi); - mlx4_en_process_rx_cq(dev, cq, 0); - spin_unlock_irqrestore(&cq->lock, flags); + napi_schedule(&cq->napi); } } #endif diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 7e2995ecea6f..84e41920b5ff 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -398,7 +398,7 @@ int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port, MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET); if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { - if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_OFFSET) { + if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) { mlx4_err(dev, "VLAN is enforced on this port\n"); err = -EPROTONOSUPPORT; goto out; diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index d413e60071d4..4a13b0001471 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2275,13 +2275,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data) /* Allow large DMA segments, up to the firmware limit of 1 GB */ dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - err = -ENOMEM; - goto err_release_regions; - } - - dev = &priv->dev; + dev = pci_get_drvdata(pdev); + priv = mlx4_priv(dev); dev->pdev = pdev; INIT_LIST_HEAD(&priv->ctx_list); spin_lock_init(&priv->ctx_lock); @@ -2399,7 +2394,8 @@ slave_start: * No return code for this call, just warn the user in case of PCI * express device capabilities are under-satisfied by the bus. */ - mlx4_check_pcie_caps(dev); + if (!mlx4_is_slave(dev)) + mlx4_check_pcie_caps(dev); /* In master functions, the communication channel must be initialized * after obtaining its address from fw */ @@ -2464,8 +2460,7 @@ slave_start: mlx4_sense_init(dev); mlx4_start_sense(dev); - priv->pci_dev_data = pci_dev_data; - pci_set_drvdata(pdev, dev); + priv->removed = 0; return 0; @@ -2531,84 +2526,108 @@ err_disable_pdev: static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { + struct mlx4_priv *priv; + struct mlx4_dev *dev; + printk_once(KERN_INFO "%s", mlx4_version); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + dev = &priv->dev; + pci_set_drvdata(pdev, dev); + priv->pci_dev_data = id->driver_data; + return __mlx4_init_one(pdev, id->driver_data); } -static void mlx4_remove_one(struct pci_dev *pdev) +static void __mlx4_remove_one(struct pci_dev *pdev) { struct mlx4_dev *dev = pci_get_drvdata(pdev); struct mlx4_priv *priv = mlx4_priv(dev); + int pci_dev_data; int p; - if (dev) { - /* in SRIOV it is not allowed to unload the pf's - * driver while there are alive vf's */ - if (mlx4_is_master(dev)) { - if (mlx4_how_many_lives_vf(dev)) - printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n"); - } - mlx4_stop_sense(dev); - mlx4_unregister_device(dev); + if (priv->removed) + return; - for (p = 1; p <= dev->caps.num_ports; p++) { - mlx4_cleanup_port_info(&priv->port[p]); - mlx4_CLOSE_PORT(dev, p); - } + pci_dev_data = priv->pci_dev_data; - if (mlx4_is_master(dev)) - mlx4_free_resource_tracker(dev, - RES_TR_FREE_SLAVES_ONLY); - - mlx4_cleanup_counters_table(dev); - mlx4_cleanup_qp_table(dev); - mlx4_cleanup_srq_table(dev); - mlx4_cleanup_cq_table(dev); - mlx4_cmd_use_polling(dev); - mlx4_cleanup_eq_table(dev); - mlx4_cleanup_mcg_table(dev); - mlx4_cleanup_mr_table(dev); - mlx4_cleanup_xrcd_table(dev); - mlx4_cleanup_pd_table(dev); + /* in SRIOV it is not allowed to unload the pf's + * driver while there are alive vf's */ + if (mlx4_is_master(dev) && mlx4_how_many_lives_vf(dev)) + printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n"); + mlx4_stop_sense(dev); + mlx4_unregister_device(dev); - if (mlx4_is_master(dev)) - mlx4_free_resource_tracker(dev, - RES_TR_FREE_STRUCTS_ONLY); - - iounmap(priv->kar); - mlx4_uar_free(dev, &priv->driver_uar); - mlx4_cleanup_uar_table(dev); - if (!mlx4_is_slave(dev)) - mlx4_clear_steering(dev); - mlx4_free_eq_table(dev); - if (mlx4_is_master(dev)) - mlx4_multi_func_cleanup(dev); - mlx4_close_hca(dev); - if (mlx4_is_slave(dev)) - mlx4_multi_func_cleanup(dev); - mlx4_cmd_cleanup(dev); - - if (dev->flags & MLX4_FLAG_MSI_X) - pci_disable_msix(pdev); - if (dev->flags & MLX4_FLAG_SRIOV) { - mlx4_warn(dev, "Disabling SR-IOV\n"); - pci_disable_sriov(pdev); - } + for (p = 1; p <= dev->caps.num_ports; p++) { + mlx4_cleanup_port_info(&priv->port[p]); + mlx4_CLOSE_PORT(dev, p); + } + + if (mlx4_is_master(dev)) + mlx4_free_resource_tracker(dev, + RES_TR_FREE_SLAVES_ONLY); + + mlx4_cleanup_counters_table(dev); + mlx4_cleanup_qp_table(dev); + mlx4_cleanup_srq_table(dev); + mlx4_cleanup_cq_table(dev); + mlx4_cmd_use_polling(dev); + mlx4_cleanup_eq_table(dev); + mlx4_cleanup_mcg_table(dev); + mlx4_cleanup_mr_table(dev); + mlx4_cleanup_xrcd_table(dev); + mlx4_cleanup_pd_table(dev); - if (!mlx4_is_slave(dev)) - mlx4_free_ownership(dev); + if (mlx4_is_master(dev)) + mlx4_free_resource_tracker(dev, + RES_TR_FREE_STRUCTS_ONLY); - kfree(dev->caps.qp0_tunnel); - kfree(dev->caps.qp0_proxy); - kfree(dev->caps.qp1_tunnel); - kfree(dev->caps.qp1_proxy); + iounmap(priv->kar); + mlx4_uar_free(dev, &priv->driver_uar); + mlx4_cleanup_uar_table(dev); + if (!mlx4_is_slave(dev)) + mlx4_clear_steering(dev); + mlx4_free_eq_table(dev); + if (mlx4_is_master(dev)) + mlx4_multi_func_cleanup(dev); + mlx4_close_hca(dev); + if (mlx4_is_slave(dev)) + mlx4_multi_func_cleanup(dev); + mlx4_cmd_cleanup(dev); - kfree(priv); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); + if (dev->flags & MLX4_FLAG_MSI_X) + pci_disable_msix(pdev); + if (dev->flags & MLX4_FLAG_SRIOV) { + mlx4_warn(dev, "Disabling SR-IOV\n"); + pci_disable_sriov(pdev); } + + if (!mlx4_is_slave(dev)) + mlx4_free_ownership(dev); + + kfree(dev->caps.qp0_tunnel); + kfree(dev->caps.qp0_proxy); + kfree(dev->caps.qp1_tunnel); + kfree(dev->caps.qp1_proxy); + + pci_release_regions(pdev); + pci_disable_device(pdev); + memset(priv, 0, sizeof(*priv)); + priv->pci_dev_data = pci_dev_data; + priv->removed = 1; +} + +static void mlx4_remove_one(struct pci_dev *pdev) +{ + struct mlx4_dev *dev = pci_get_drvdata(pdev); + struct mlx4_priv *priv = mlx4_priv(dev); + + __mlx4_remove_one(pdev); + kfree(priv); + pci_set_drvdata(pdev, NULL); } int mlx4_restart_one(struct pci_dev *pdev) @@ -2618,7 +2637,7 @@ int mlx4_restart_one(struct pci_dev *pdev) int pci_dev_data; pci_dev_data = priv->pci_dev_data; - mlx4_remove_one(pdev); + __mlx4_remove_one(pdev); return __mlx4_init_one(pdev, pci_dev_data); } @@ -2673,7 +2692,7 @@ MODULE_DEVICE_TABLE(pci, mlx4_pci_table); static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t state) { - mlx4_remove_one(pdev); + __mlx4_remove_one(pdev); return state == pci_channel_io_perm_failure ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; @@ -2681,11 +2700,11 @@ static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) { - const struct pci_device_id *id; - int ret; + struct mlx4_dev *dev = pci_get_drvdata(pdev); + struct mlx4_priv *priv = mlx4_priv(dev); + int ret; - id = pci_match_id(mlx4_pci_table, pdev); - ret = __mlx4_init_one(pdev, id->driver_data); + ret = __mlx4_init_one(pdev, priv->pci_dev_data); return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; } @@ -2699,7 +2718,7 @@ static struct pci_driver mlx4_driver = { .name = DRV_NAME, .id_table = mlx4_pci_table, .probe = mlx4_init_one, - .shutdown = mlx4_remove_one, + .shutdown = __mlx4_remove_one, .remove = mlx4_remove_one, .err_handler = &mlx4_err_handler, }; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 7aec6c833973..99d7a28a2ada 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -796,6 +796,7 @@ struct mlx4_priv { spinlock_t ctx_lock; int pci_dev_data; + int removed; struct list_head pgdir_list; struct mutex pgdir_mutex; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index b57e8c87a34e..72db9bedd765 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -309,7 +309,6 @@ struct mlx4_en_cq { struct mlx4_cq mcq; struct mlx4_hwq_resources wqres; int ring; - spinlock_t lock; struct net_device *dev; struct napi_struct napi; int size; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c index 7d4f54912bad..3e46c894a107 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c @@ -1022,6 +1022,7 @@ static int qlcnic_dcb_peer_app_info(struct net_device *netdev, struct qlcnic_dcb_cee *peer; int i; + memset(info, 0, sizeof(*info)); *app_count = 0; if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state)) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 040cb94e8219..957f0ffe31c4 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -301,6 +301,27 @@ static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = { }; static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { + [EDMR] = 0x0000, + [EDTRR] = 0x0004, + [EDRRR] = 0x0008, + [TDLAR] = 0x000c, + [RDLAR] = 0x0010, + [EESR] = 0x0014, + [EESIPR] = 0x0018, + [TRSCER] = 0x001c, + [RMFCR] = 0x0020, + [TFTR] = 0x0024, + [FDR] = 0x0028, + [RMCR] = 0x002c, + [EDOCR] = 0x0030, + [FCFTR] = 0x0034, + [RPADIR] = 0x0038, + [TRIMD] = 0x003c, + [RBWAR] = 0x0040, + [RDFAR] = 0x0044, + [TBRAR] = 0x004c, + [TDFAR] = 0x0050, + [ECMR] = 0x0160, [ECSR] = 0x0164, [ECSIPR] = 0x0168, @@ -539,7 +560,6 @@ static struct sh_eth_cpu_data sh7757_data = { .register_type = SH_ETH_REG_FAST_SH4, .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, - .rmcr_value = RMCR_RNC, .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO, .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE | @@ -617,7 +637,6 @@ static struct sh_eth_cpu_data sh7757_data_giga = { EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, .fdr_value = 0x0000072f, - .rmcr_value = RMCR_RNC, .irq_flags = IRQF_SHARED, .apr = 1, @@ -745,7 +764,6 @@ static struct sh_eth_cpu_data r8a7740_data = { EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, .fdr_value = 0x0000070f, - .rmcr_value = RMCR_RNC, .apr = 1, .mpr = 1, @@ -777,7 +795,6 @@ static struct sh_eth_cpu_data r7s72100_data = { EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI, .fdr_value = 0x0000070f, - .rmcr_value = RMCR_RNC, .no_psr = 1, .apr = 1, @@ -826,9 +843,6 @@ static void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) if (!cd->fdr_value) cd->fdr_value = DEFAULT_FDR_INIT; - if (!cd->rmcr_value) - cd->rmcr_value = DEFAULT_RMCR_VALUE; - if (!cd->tx_check) cd->tx_check = DEFAULT_TX_CHECK; @@ -1281,8 +1295,8 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start) sh_eth_write(ndev, mdp->cd->fdr_value, FDR); sh_eth_write(ndev, 0, TFTR); - /* Frame recv control */ - sh_eth_write(ndev, mdp->cd->rmcr_value, RMCR); + /* Frame recv control (enable multiple-packets per rx irq) */ + sh_eth_write(ndev, RMCR_RNC, RMCR); sh_eth_write(ndev, DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2, TRSCER); diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 6075915b88ec..a096b4bf9799 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -320,7 +320,6 @@ enum TD_STS_BIT { enum RMCR_BIT { RMCR_RNC = 0x00000001, }; -#define DEFAULT_RMCR_VALUE 0x00000000 /* ECMR */ enum FELIC_MODE_BIT { @@ -467,7 +466,6 @@ struct sh_eth_cpu_data { unsigned long fdr_value; unsigned long fcftr_value; unsigned long rpadir_value; - unsigned long rmcr_value; /* interrupt checking mask */ unsigned long tx_check; diff --git a/drivers/net/ethernet/sfc/io.h b/drivers/net/ethernet/sfc/io.h index 4d3f119b67b3..afb94aa2c15e 100644 --- a/drivers/net/ethernet/sfc/io.h +++ b/drivers/net/ethernet/sfc/io.h @@ -66,10 +66,17 @@ #define EFX_USE_QWORD_IO 1 #endif +/* Hardware issue requires that only 64-bit naturally aligned writes + * are seen by hardware. Its not strictly necessary to restrict to + * x86_64 arch, but done for safety since unusual write combining behaviour + * can break PIO. + */ +#ifdef CONFIG_X86_64 /* PIO is a win only if write-combining is possible */ #ifdef ARCH_HAS_IOREMAP_WC #define EFX_USE_PIO 1 #endif +#endif #ifdef EFX_USE_QWORD_IO static inline void _efx_writeq(struct efx_nic *efx, __le64 value, diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c index 79226b19e3c4..cb3fb9dba8fb 100644 --- a/drivers/net/ethernet/sfc/nic.c +++ b/drivers/net/ethernet/sfc/nic.c @@ -156,13 +156,15 @@ void efx_nic_fini_interrupt(struct efx_nic *efx) efx->net_dev->rx_cpu_rmap = NULL; #endif - /* Disable MSI/MSI-X interrupts */ - efx_for_each_channel(channel, efx) - free_irq(channel->irq, &efx->msi_context[channel->channel]); - - /* Disable legacy interrupt */ - if (efx->legacy_irq) + if (EFX_INT_MODE_USE_MSI(efx)) { + /* Disable MSI/MSI-X interrupts */ + efx_for_each_channel(channel, efx) + free_irq(channel->irq, + &efx->msi_context[channel->channel]); + } else { + /* Disable legacy interrupt */ free_irq(efx->legacy_irq, efx); + } } /* Register dump */ diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 75d11fa4eb0a..d79c842680a5 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -189,6 +189,18 @@ struct efx_short_copy_buffer { u8 buf[L1_CACHE_BYTES]; }; +/* Copy in explicit 64-bit writes. */ +static void efx_memcpy_64(void __iomem *dest, void *src, size_t len) +{ + u64 *src64 = src; + u64 __iomem *dest64 = dest; + size_t l64 = len / 8; + size_t i; + + for (i = 0; i < l64; i++) + writeq(src64[i], &dest64[i]); +} + /* Copy to PIO, respecting that writes to PIO buffers must be dword aligned. * Advances piobuf pointer. Leaves additional data in the copy buffer. */ @@ -198,7 +210,7 @@ static void efx_memcpy_toio_aligned(struct efx_nic *efx, u8 __iomem **piobuf, { int block_len = len & ~(sizeof(copy_buf->buf) - 1); - memcpy_toio(*piobuf, data, block_len); + efx_memcpy_64(*piobuf, data, block_len); *piobuf += block_len; len -= block_len; @@ -230,7 +242,7 @@ static void efx_memcpy_toio_aligned_cb(struct efx_nic *efx, u8 __iomem **piobuf, if (copy_buf->used < sizeof(copy_buf->buf)) return; - memcpy_toio(*piobuf, copy_buf->buf, sizeof(copy_buf->buf)); + efx_memcpy_64(*piobuf, copy_buf->buf, sizeof(copy_buf->buf)); *piobuf += sizeof(copy_buf->buf); data += copy_to_buf; len -= copy_to_buf; @@ -245,7 +257,7 @@ static void efx_flush_copy_buffer(struct efx_nic *efx, u8 __iomem *piobuf, { /* if there's anything in it, write the whole buffer, including junk */ if (copy_buf->used) - memcpy_toio(piobuf, copy_buf->buf, sizeof(copy_buf->buf)); + efx_memcpy_64(piobuf, copy_buf->buf, sizeof(copy_buf->buf)); } /* Traverse skb structure and copy fragments in to PIO buffer. @@ -304,8 +316,8 @@ efx_enqueue_skb_pio(struct efx_tx_queue *tx_queue, struct sk_buff *skb) */ BUILD_BUG_ON(L1_CACHE_BYTES > SKB_DATA_ALIGN(sizeof(struct skb_shared_info))); - memcpy_toio(tx_queue->piobuf, skb->data, - ALIGN(skb->len, L1_CACHE_BYTES)); + efx_memcpy_64(tx_queue->piobuf, skb->data, + ALIGN(skb->len, L1_CACHE_BYTES)); } EFX_POPULATE_QWORD_5(buffer->option, diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 7d6d8ec676c8..921b9df2faca 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1884,18 +1884,12 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); phyid = be32_to_cpup(parp+1); mdio = of_find_device_by_node(mdio_node); - - if (strncmp(mdio->name, "gpio", 4) == 0) { - /* GPIO bitbang MDIO driver attached */ - struct mii_bus *bus = dev_get_drvdata(&mdio->dev); - - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, bus->id, phyid); - } else { - /* davinci MDIO driver attached */ - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, mdio->name, phyid); + if (!mdio) { + pr_err("Missing mdio platform device\n"); + return -EINVAL; } + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, mdio->name, phyid); mac_addr = of_get_mac_address(slave_node); if (mac_addr) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 1831fb7cd017..5adecc5f52b7 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -263,11 +263,9 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) const struct macvlan_dev *vlan = netdev_priv(dev); const struct macvlan_port *port = vlan->port; const struct macvlan_dev *dest; - __u8 ip_summed = skb->ip_summed; if (vlan->mode == MACVLAN_MODE_BRIDGE) { const struct ethhdr *eth = (void *)skb->data; - skb->ip_summed = CHECKSUM_UNNECESSARY; /* send to other bridge ports directly */ if (is_multicast_ether_addr(eth->h_dest)) { @@ -285,7 +283,6 @@ static int macvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) } xmit_world: - skb->ip_summed = ip_summed; skb->dev = vlan->lowerdev; return dev_queue_xmit(skb); } @@ -461,8 +458,10 @@ static void macvlan_change_rx_flags(struct net_device *dev, int change) struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; - if (change & IFF_ALLMULTI) - dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1); + if (dev->flags & IFF_UP) { + if (change & IFF_ALLMULTI) + dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1); + } } static void macvlan_set_mac_lists(struct net_device *dev) @@ -518,6 +517,11 @@ static struct lock_class_key macvlan_netdev_addr_lock_key; #define MACVLAN_STATE_MASK \ ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) +static int macvlan_get_nest_level(struct net_device *dev) +{ + return ((struct macvlan_dev *)netdev_priv(dev))->nest_level; +} + static void macvlan_set_lockdep_class_one(struct net_device *dev, struct netdev_queue *txq, void *_unused) @@ -528,8 +532,9 @@ static void macvlan_set_lockdep_class_one(struct net_device *dev, static void macvlan_set_lockdep_class(struct net_device *dev) { - lockdep_set_class(&dev->addr_list_lock, - &macvlan_netdev_addr_lock_key); + lockdep_set_class_and_subclass(&dev->addr_list_lock, + &macvlan_netdev_addr_lock_key, + macvlan_get_nest_level(dev)); netdev_for_each_tx_queue(dev, macvlan_set_lockdep_class_one, NULL); } @@ -731,6 +736,7 @@ static const struct net_device_ops macvlan_netdev_ops = { .ndo_fdb_add = macvlan_fdb_add, .ndo_fdb_del = macvlan_fdb_del, .ndo_fdb_dump = ndo_dflt_fdb_dump, + .ndo_get_lock_subclass = macvlan_get_nest_level, }; void macvlan_common_setup(struct net_device *dev) @@ -859,6 +865,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, vlan->dev = dev; vlan->port = port; vlan->set_features = MACVLAN_FEATURES; + vlan->nest_level = dev_get_nest_level(lowerdev, netif_is_macvlan) + 1; vlan->mode = MACVLAN_MODE_VEPA; if (data && data[IFLA_MACVLAN_MODE]) @@ -1036,7 +1043,6 @@ static int macvlan_device_event(struct notifier_block *unused, list_for_each_entry_safe(vlan, next, &port->vlans, list) vlan->dev->rtnl_link_ops->dellink(vlan->dev, &list_kill); unregister_netdevice_many(&list_kill); - list_del(&list_kill); break; case NETDEV_PRE_TYPE_CHANGE: /* Forbid underlaying device to change its type. */ diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index ff111a89e17f..3381c4f91a8c 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -322,6 +322,15 @@ static rx_handler_result_t macvtap_handle_frame(struct sk_buff **pskb) segs = nskb; } } else { + /* If we receive a partial checksum and the tap side + * doesn't support checksum offload, compute the checksum. + * Note: it doesn't matter which checksum feature to + * check, we either support them all or none. + */ + if (skb->ip_summed == CHECKSUM_PARTIAL && + !(features & NETIF_F_ALL_CSUM) && + skb_checksum_help(skb)) + goto drop; skb_queue_tail(&q->sk.sk_receive_queue, skb); } diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 2f6989b1e0dc..365375408904 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -613,8 +613,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, err = phy_init_hw(phydev); if (err) phy_detach(phydev); - - phy_resume(phydev); + else + phy_resume(phydev); return err; } diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index cc70ecfc7062..ad4a94e9ff57 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -429,13 +429,13 @@ static void slip_write_wakeup(struct tty_struct *tty) if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) return; - spin_lock(&sl->lock); + spin_lock_bh(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); - spin_unlock(&sl->lock); + spin_unlock_bh(&sl->lock); sl_unlock(sl); return; } @@ -443,7 +443,7 @@ static void slip_write_wakeup(struct tty_struct *tty) actual = tty->ops->write(tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; - spin_unlock(&sl->lock); + spin_unlock_bh(&sl->lock); } static void sl_tx_timeout(struct net_device *dev) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index c8624a8235ab..26d8c29b59de 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1732,6 +1732,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu) * to traverse list in reverse under rcu_read_lock */ mutex_lock(&team->lock); + team->port_mtu_change_allowed = true; list_for_each_entry(port, &team->port_list, list) { err = dev_set_mtu(port->dev, new_mtu); if (err) { @@ -1740,6 +1741,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu) goto unwind; } } + team->port_mtu_change_allowed = false; mutex_unlock(&team->lock); dev->mtu = new_mtu; @@ -1749,6 +1751,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu) unwind: list_for_each_entry_continue_reverse(port, &team->port_list, list) dev_set_mtu(port->dev, dev->mtu); + team->port_mtu_change_allowed = false; mutex_unlock(&team->lock); return err; @@ -2857,7 +2860,9 @@ static int team_device_event(struct notifier_block *unused, break; case NETDEV_PRECHANGEMTU: /* Forbid to change mtu of underlaying device */ - return NOTIFY_BAD; + if (!port->team->port_mtu_change_allowed) + return NOTIFY_BAD; + break; case NETDEV_PRE_TYPE_CHANGE: /* Forbid to change type of underlaying device */ return NOTIFY_BAD; diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index c9f3281506af..2e025ddcef21 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -120,6 +120,16 @@ static void cdc_mbim_unbind(struct usbnet *dev, struct usb_interface *intf) cdc_ncm_unbind(dev, intf); } +/* verify that the ethernet protocol is IPv4 or IPv6 */ +static bool is_ip_proto(__be16 proto) +{ + switch (proto) { + case htons(ETH_P_IP): + case htons(ETH_P_IPV6): + return true; + } + return false; +} static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { @@ -128,6 +138,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb struct cdc_ncm_ctx *ctx = info->ctx; __le32 sign = cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN); u16 tci = 0; + bool is_ip; u8 *c; if (!ctx) @@ -137,25 +148,32 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb if (skb->len <= ETH_HLEN) goto error; + /* Some applications using e.g. packet sockets will + * bypass the VLAN acceleration and create tagged + * ethernet frames directly. We primarily look for + * the accelerated out-of-band tag, but fall back if + * required + */ + skb_reset_mac_header(skb); + if (vlan_get_tag(skb, &tci) < 0 && skb->len > VLAN_ETH_HLEN && + __vlan_get_tag(skb, &tci) == 0) { + is_ip = is_ip_proto(vlan_eth_hdr(skb)->h_vlan_encapsulated_proto); + skb_pull(skb, VLAN_ETH_HLEN); + } else { + is_ip = is_ip_proto(eth_hdr(skb)->h_proto); + skb_pull(skb, ETH_HLEN); + } + /* mapping VLANs to MBIM sessions: * no tag => IPS session <0> * 1 - 255 => IPS session <vlanid> * 256 - 511 => DSS session <vlanid - 256> * 512 - 4095 => unsupported, drop */ - vlan_get_tag(skb, &tci); - switch (tci & 0x0f00) { case 0x0000: /* VLAN ID 0 - 255 */ - /* verify that datagram is IPv4 or IPv6 */ - skb_reset_mac_header(skb); - switch (eth_hdr(skb)->h_proto) { - case htons(ETH_P_IP): - case htons(ETH_P_IPV6): - break; - default: + if (!is_ip) goto error; - } c = (u8 *)&sign; c[3] = tci; break; @@ -169,7 +187,6 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb "unsupported tci=0x%04x\n", tci); goto error; } - skb_pull(skb, ETH_HLEN); } spin_lock_bh(&ctx->mtx); @@ -204,17 +221,23 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci) return; /* need to send the NA on the VLAN dev, if any */ - if (tci) + rcu_read_lock(); + if (tci) { netdev = __vlan_find_dev_deep(dev->net, htons(ETH_P_8021Q), tci); - else + if (!netdev) { + rcu_read_unlock(); + return; + } + } else { netdev = dev->net; - if (!netdev) - return; + } + dev_hold(netdev); + rcu_read_unlock(); in6_dev = in6_dev_get(netdev); if (!in6_dev) - return; + goto out; is_router = !!in6_dev->cnf.forwarding; in6_dev_put(in6_dev); @@ -224,6 +247,8 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci) true /* solicited */, false /* override */, true /* inc_opt */); +out: + dev_put(netdev); } static bool is_neigh_solicit(u8 *buf, size_t len) diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index d350d2795e10..75d7d9dbbe35 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -768,7 +768,7 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) skb_out->len > CDC_NCM_MIN_TX_PKT) memset(skb_put(skb_out, ctx->tx_max - skb_out->len), 0, ctx->tx_max - skb_out->len); - else if ((skb_out->len % dev->maxpacket) == 0) + else if (skb_out->len < ctx->tx_max && (skb_out->len % dev->maxpacket) == 0) *skb_put(skb_out, 1) = 0; /* force short packet */ /* set final frame length */ diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 313cb6cd4848..b71120842c4f 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -662,6 +662,22 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ + {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ + {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ + {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ + {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ + {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ + {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ + {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ + {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ + {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ + {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ + {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ + {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ + {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ + {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ + {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ + {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, @@ -723,16 +739,33 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ + {QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC73xx */ + {QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC73xx */ + {QMI_FIXED_INTF(0x1199, 0x68c0, 11)}, /* Sierra Wireless MC73xx */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ + {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ + {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ + {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ - {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ + {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ + {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ + {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ + {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ + {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ + {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ + {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ + {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ + {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ + {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ + {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ + {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d091e52b00e1..40ad25d7f28b 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2282,9 +2282,9 @@ static void vxlan_setup(struct net_device *dev) eth_hw_addr_random(dev); ether_setup(dev); if (vxlan->default_dst.remote_ip.sa.sa_family == AF_INET6) - dev->hard_header_len = ETH_HLEN + VXLAN6_HEADROOM; + dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM; else - dev->hard_header_len = ETH_HLEN + VXLAN_HEADROOM; + dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM; dev->netdev_ops = &vxlan_netdev_ops; dev->destructor = free_netdev; @@ -2667,8 +2667,7 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, if (!tb[IFLA_MTU]) dev->mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); - /* update header length based on lower device */ - dev->hard_header_len = lowerdev->hard_header_len + + dev->needed_headroom = lowerdev->hard_header_len + (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); } else if (use_ipv6) vxlan->flags |= VXLAN_F_IPV6; diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 55897d508a76..0526ddff977d 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1698,7 +1698,7 @@ int ath_cabq_update(struct ath_softc *sc) ath9k_hw_get_txq_props(sc->sc_ah, qnum, &qi); - qi.tqi_readyTime = (cur_conf->beacon_interval * + qi.tqi_readyTime = (TU_TO_USEC(cur_conf->beacon_interval) * ATH_CABQ_READY_TIME) / 100; ath_txq_update(sc, qnum, &qi); diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 05ee7f10cc8f..24ccbe96e0c8 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -5176,22 +5176,22 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev, int ch = new_channel->hw_value; u16 old_band_5ghz; - u32 tmp32; + u16 tmp16; old_band_5ghz = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) { - tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); + tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4); b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16); b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) { b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); - tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); + tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4); b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16); } b43_chantab_phy_upload(dev, e); diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 50e5ddb12fb3..628ff628e04a 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -810,9 +810,13 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) break; case B43_PHYTYPE_G: status.band = IEEE80211_BAND_2GHZ; - /* chanid is the radio channel cookie value as used - * to tune the radio. */ - status.freq = chanid + 2400; + /* Somewhere between 478.104 and 508.1084 firmware for G-PHY + * has been modified to be compatible with N-PHY and others. + */ + if (dev->fw.rev >= 508) + status.freq = ieee80211_channel_to_frequency(chanid, status.band); + else + status.freq = chanid + 2400; break; case B43_PHYTYPE_N: case B43_PHYTYPE_LP: diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c index 82bf3c5d3cdc..2de2736eb332 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c @@ -300,10 +300,10 @@ brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, wrapbase = ci->c_inf[idx].wrapbase; - /* if core is already in reset, just return */ + /* if core is already in reset, skip reset */ regdata = brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL); if ((regdata & BCMA_RESET_CTL_RESET) != 0) - return; + goto post_reset_config; /* configure reset */ brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, pre_resetbits | @@ -319,6 +319,7 @@ brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev, SPINWAIT(brcmf_sdiod_regrl(sdiodev, wrapbase + BCMA_RESET_CTL, NULL) != BCMA_RESET_CTL_RESET, 300); +post_reset_config: /* post reset configure */ brcmf_sdiod_regwl(sdiodev, wrapbase + BCMA_IOCTL, pre_resetbits | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK, NULL); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 925034b80e9c..93598cd7ee6a 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -426,6 +426,12 @@ static int brcms_ops_start(struct ieee80211_hw *hw) bool blocked; int err; + if (!wl->ucode.bcm43xx_bomminor) { + err = brcms_request_fw(wl, wl->wlc->hw->d11core); + if (err) + return -ENOENT; + } + ieee80211_wake_queues(hw); spin_lock_bh(&wl->lock); blocked = brcms_rfkill_set_hw_state(wl); @@ -433,14 +439,6 @@ static int brcms_ops_start(struct ieee80211_hw *hw) if (!blocked) wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); - if (!wl->ucode.bcm43xx_bomminor) { - err = brcms_request_fw(wl, wl->wlc->hw->d11core); - if (err) { - brcms_remove(wl->wlc->hw->d11core); - return -ENOENT; - } - } - spin_lock_bh(&wl->lock); /* avoid acknowledging frames before a non-monitor device is added */ wl->mute_tx = true; diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index ba1b1ea54252..ea7e70cb34f0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -252,13 +252,17 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, bt_runtime_config); + mutex_lock(&priv->mutex); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; + goto out; /* dont send host command if rf-kill is on */ if (!iwl_is_ready_rf(priv)) - return; + goto out; + iwlagn_send_advance_bt_config(priv); +out: + mutex_unlock(&priv->mutex); } static void iwl_bg_bt_full_concurrency(struct work_struct *work) diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 2a59da2ff87a..e1d546665ae8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -67,8 +67,8 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL7260_UCODE_API_MAX 8 -#define IWL3160_UCODE_API_MAX 8 +#define IWL7260_UCODE_API_MAX 9 +#define IWL3160_UCODE_API_MAX 9 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 7 @@ -223,3 +223,4 @@ const struct iwl_cfg iwl7265_n_cfg = { MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK)); +MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c index 18a895a949d4..6b22681068a7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/bt-coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/bt-coex.c @@ -188,7 +188,7 @@ static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = { cpu_to_le32(0xcc00aaaa), cpu_to_le32(0x0000aaaa), cpu_to_le32(0xc0004000), - cpu_to_le32(0x00000000), + cpu_to_le32(0x00004000), cpu_to_le32(0xf0005000), cpu_to_le32(0xf0005000), }, @@ -211,16 +211,16 @@ static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = { /* Tx Tx disabled */ cpu_to_le32(0xaaaaaaaa), cpu_to_le32(0xaaaaaaaa), - cpu_to_le32(0xaaaaaaaa), + cpu_to_le32(0xeeaaaaaa), cpu_to_le32(0xaaaaaaaa), cpu_to_le32(0xcc00ff28), cpu_to_le32(0x0000aaaa), cpu_to_le32(0xcc00aaaa), cpu_to_le32(0x0000aaaa), - cpu_to_le32(0xC0004000), - cpu_to_le32(0xC0004000), - cpu_to_le32(0xF0005000), - cpu_to_le32(0xF0005000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + cpu_to_le32(0xf0005000), }, }; diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c35b8661b395..d06414ef15c5 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -179,7 +179,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) !iwlwifi_mod_params.sw_crypto) hw->flags |= IEEE80211_HW_MFP_CAPABLE; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) { + if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT) { hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD; hw->uapsd_queues = IWL_UAPSD_AC_INFO; hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; @@ -606,7 +606,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, if (ret) goto out_remove_mac; - if (!mvm->bf_allowed_vif && + if (!mvm->bf_allowed_vif && false && vif->type == NL80211_IFTYPE_STATION && !vif->p2p && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){ mvm->bf_allowed_vif = mvmvif; @@ -796,7 +796,7 @@ static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac, memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4); - ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd); if (ret) IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret); } @@ -812,7 +812,7 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) if (WARN_ON_ONCE(!mvm->mcast_filter_cmd)) return; - ieee80211_iterate_active_interfaces( + ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_mc_iface_iterator, &iter_data); } @@ -971,6 +971,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, */ iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); + iwl_mvm_sf_update(mvm, vif, false); } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) { ret = iwl_mvm_power_update_mode(mvm, vif); diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 5bc871513505..03179d0b08c2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -59,7 +59,7 @@ /* max allowed rate miss before sync LQ cmd */ #define IWL_MISSED_RATE_MAX 15 #define RS_STAY_IN_COLUMN_TIMEOUT (5*HZ) - +#define RS_IDLE_TIMEOUT (5*HZ) static u8 rs_ht_to_legacy[] = { [IWL_RATE_MCS_0_INDEX] = IWL_RATE_6M_INDEX, @@ -142,7 +142,7 @@ enum rs_column_mode { RS_MIMO2, }; -#define MAX_NEXT_COLUMNS 5 +#define MAX_NEXT_COLUMNS 7 #define MAX_COLUMN_CHECKS 3 typedef bool (*allow_column_func_t) (struct iwl_mvm *mvm, @@ -212,8 +212,10 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_LEGACY_ANT_B, RS_COLUMN_SISO_ANT_A, RS_COLUMN_SISO_ANT_B, - RS_COLUMN_MIMO2, - RS_COLUMN_MIMO2_SGI, + RS_COLUMN_INVALID, + RS_COLUMN_INVALID, + RS_COLUMN_INVALID, + RS_COLUMN_INVALID, }, }, [RS_COLUMN_LEGACY_ANT_B] = { @@ -223,8 +225,10 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_LEGACY_ANT_A, RS_COLUMN_SISO_ANT_A, RS_COLUMN_SISO_ANT_B, - RS_COLUMN_MIMO2, - RS_COLUMN_MIMO2_SGI, + RS_COLUMN_INVALID, + RS_COLUMN_INVALID, + RS_COLUMN_INVALID, + RS_COLUMN_INVALID, }, }, [RS_COLUMN_SISO_ANT_A] = { @@ -235,7 +239,9 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_MIMO2, RS_COLUMN_SISO_ANT_A_SGI, RS_COLUMN_SISO_ANT_B_SGI, - RS_COLUMN_MIMO2_SGI, + RS_COLUMN_LEGACY_ANT_A, + RS_COLUMN_LEGACY_ANT_B, + RS_COLUMN_INVALID, }, .checks = { rs_siso_allow, @@ -249,7 +255,9 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_MIMO2, RS_COLUMN_SISO_ANT_B_SGI, RS_COLUMN_SISO_ANT_A_SGI, - RS_COLUMN_MIMO2_SGI, + RS_COLUMN_LEGACY_ANT_A, + RS_COLUMN_LEGACY_ANT_B, + RS_COLUMN_INVALID, }, .checks = { rs_siso_allow, @@ -265,6 +273,8 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_SISO_ANT_A, RS_COLUMN_SISO_ANT_B, RS_COLUMN_MIMO2, + RS_COLUMN_LEGACY_ANT_A, + RS_COLUMN_LEGACY_ANT_B, }, .checks = { rs_siso_allow, @@ -281,6 +291,8 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_SISO_ANT_B, RS_COLUMN_SISO_ANT_A, RS_COLUMN_MIMO2, + RS_COLUMN_LEGACY_ANT_A, + RS_COLUMN_LEGACY_ANT_B, }, .checks = { rs_siso_allow, @@ -296,6 +308,8 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_SISO_ANT_A_SGI, RS_COLUMN_SISO_ANT_B_SGI, RS_COLUMN_MIMO2_SGI, + RS_COLUMN_LEGACY_ANT_A, + RS_COLUMN_LEGACY_ANT_B, }, .checks = { rs_mimo_allow, @@ -311,6 +325,8 @@ static const struct rs_tx_column rs_tx_columns[] = { RS_COLUMN_SISO_ANT_A, RS_COLUMN_SISO_ANT_B, RS_COLUMN_MIMO2, + RS_COLUMN_LEGACY_ANT_A, + RS_COLUMN_LEGACY_ANT_B, }, .checks = { rs_mimo_allow, @@ -503,6 +519,16 @@ static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window) window->average_tpt = IWL_INVALID_VALUE; } +static void rs_rate_scale_clear_tbl_windows(struct iwl_mvm *mvm, + struct iwl_scale_tbl_info *tbl) +{ + int i; + + IWL_DEBUG_RATE(mvm, "Clearing up window stats\n"); + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window(&tbl->win[i]); +} + static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type) { return (ant_type & valid_antenna) == ant_type; @@ -975,6 +1001,13 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband, return; } +#ifdef CPTCFG_MAC80211_DEBUGFS + /* Disable last tx check if we are debugging with fixed rate */ + if (lq_sta->dbg_fixed_rate) { + IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n"); + return; + } +#endif if (!ieee80211_is_data(hdr->frame_control) || info->flags & IEEE80211_TX_CTL_NO_ACK) return; @@ -1017,6 +1050,18 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband, mac_index++; } + if (time_after(jiffies, + (unsigned long)(lq_sta->last_tx + RS_IDLE_TIMEOUT))) { + int tid; + IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n"); + for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) + ieee80211_stop_tx_ba_session(sta, tid); + + iwl_mvm_rs_rate_init(mvm, sta, sband->band, false); + return; + } + lq_sta->last_tx = jiffies; + /* Here we actually compare this rate to the latest LQ command */ if ((mac_index < 0) || (rate.sgi != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) || @@ -1362,7 +1407,6 @@ static u32 rs_bw_from_sta_bw(struct ieee80211_sta *sta) static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) { struct iwl_scale_tbl_info *tbl; - int i; int active_tbl; int flush_interval_passed = 0; struct iwl_mvm *mvm; @@ -1423,9 +1467,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) IWL_DEBUG_RATE(mvm, "LQ: stay in table clear win\n"); - for (i = 0; i < IWL_RATE_COUNT; i++) - rs_rate_scale_clear_window( - &(tbl->win[i])); + rs_rate_scale_clear_tbl_windows(mvm, tbl); } } @@ -1433,9 +1475,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) * bitmaps and stats in active table (this will become the new * "search" table). */ if (lq_sta->rs_state == RS_STATE_SEARCH_CYCLE_STARTED) { - IWL_DEBUG_RATE(mvm, "Clearing up window stats\n"); - for (i = 0; i < IWL_RATE_COUNT; i++) - rs_rate_scale_clear_window(&(tbl->win[i])); + rs_rate_scale_clear_tbl_windows(mvm, tbl); } } } @@ -1628,85 +1668,76 @@ static enum rs_action rs_get_rate_action(struct iwl_mvm *mvm, { enum rs_action action = RS_ACTION_STAY; - /* Too many failures, decrease rate */ if ((sr <= RS_SR_FORCE_DECREASE) || (current_tpt == 0)) { IWL_DEBUG_RATE(mvm, - "decrease rate because of low SR\n"); - action = RS_ACTION_DOWNSCALE; - /* No throughput measured yet for adjacent rates; try increase. */ - } else if ((low_tpt == IWL_INVALID_VALUE) && - (high_tpt == IWL_INVALID_VALUE)) { - if (high != IWL_RATE_INVALID && sr >= IWL_RATE_INCREASE_TH) { - IWL_DEBUG_RATE(mvm, - "Good SR and no high rate measurement. " - "Increase rate\n"); - action = RS_ACTION_UPSCALE; - } else if (low != IWL_RATE_INVALID) { - IWL_DEBUG_RATE(mvm, - "Remain in current rate\n"); - action = RS_ACTION_STAY; - } + "Decrease rate because of low SR\n"); + return RS_ACTION_DOWNSCALE; } - /* Both adjacent throughputs are measured, but neither one has better - * throughput; we're using the best rate, don't change it! - */ - else if ((low_tpt != IWL_INVALID_VALUE) && - (high_tpt != IWL_INVALID_VALUE) && - (low_tpt < current_tpt) && - (high_tpt < current_tpt)) { + if ((low_tpt == IWL_INVALID_VALUE) && + (high_tpt == IWL_INVALID_VALUE) && + (high != IWL_RATE_INVALID)) { IWL_DEBUG_RATE(mvm, - "Both high and low are worse. " - "Maintain rate\n"); - action = RS_ACTION_STAY; + "No data about high/low rates. Increase rate\n"); + return RS_ACTION_UPSCALE; } - /* At least one adjacent rate's throughput is measured, - * and may have better performance. - */ - else { - /* Higher adjacent rate's throughput is measured */ - if (high_tpt != IWL_INVALID_VALUE) { - /* Higher rate has better throughput */ - if (high_tpt > current_tpt && - sr >= IWL_RATE_INCREASE_TH) { - IWL_DEBUG_RATE(mvm, - "Higher rate is better and good " - "SR. Increate rate\n"); - action = RS_ACTION_UPSCALE; - } else { - IWL_DEBUG_RATE(mvm, - "Higher rate isn't better OR " - "no good SR. Maintain rate\n"); - action = RS_ACTION_STAY; - } + if ((high_tpt == IWL_INVALID_VALUE) && + (high != IWL_RATE_INVALID) && + (low_tpt != IWL_INVALID_VALUE) && + (low_tpt < current_tpt)) { + IWL_DEBUG_RATE(mvm, + "No data about high rate and low rate is worse. Increase rate\n"); + return RS_ACTION_UPSCALE; + } - /* Lower adjacent rate's throughput is measured */ - } else if (low_tpt != IWL_INVALID_VALUE) { - /* Lower rate has better throughput */ - if (low_tpt > current_tpt) { - IWL_DEBUG_RATE(mvm, - "Lower rate is better. " - "Decrease rate\n"); - action = RS_ACTION_DOWNSCALE; - } else if (sr >= IWL_RATE_INCREASE_TH) { - IWL_DEBUG_RATE(mvm, - "Lower rate isn't better and " - "good SR. Increase rate\n"); - action = RS_ACTION_UPSCALE; - } - } + if ((high_tpt != IWL_INVALID_VALUE) && + (high_tpt > current_tpt)) { + IWL_DEBUG_RATE(mvm, + "Higher rate is better. Increate rate\n"); + return RS_ACTION_UPSCALE; } - /* Sanity check; asked for decrease, but success rate or throughput - * has been good at old rate. Don't change it. - */ - if ((action == RS_ACTION_DOWNSCALE) && (low != IWL_RATE_INVALID) && - ((sr > IWL_RATE_HIGH_TH) || - (current_tpt > (100 * tbl->expected_tpt[low])))) { + if ((low_tpt != IWL_INVALID_VALUE) && + (high_tpt != IWL_INVALID_VALUE) && + (low_tpt < current_tpt) && + (high_tpt < current_tpt)) { + IWL_DEBUG_RATE(mvm, + "Both high and low are worse. Maintain rate\n"); + return RS_ACTION_STAY; + } + + if ((low_tpt != IWL_INVALID_VALUE) && + (low_tpt > current_tpt)) { IWL_DEBUG_RATE(mvm, - "Sanity check failed. Maintain rate\n"); - action = RS_ACTION_STAY; + "Lower rate is better\n"); + action = RS_ACTION_DOWNSCALE; + goto out; + } + + if ((low_tpt == IWL_INVALID_VALUE) && + (low != IWL_RATE_INVALID)) { + IWL_DEBUG_RATE(mvm, + "No data about lower rate\n"); + action = RS_ACTION_DOWNSCALE; + goto out; + } + + IWL_DEBUG_RATE(mvm, "Maintain rate\n"); + +out: + if ((action == RS_ACTION_DOWNSCALE) && (low != IWL_RATE_INVALID)) { + if (sr >= RS_SR_NO_DECREASE) { + IWL_DEBUG_RATE(mvm, + "SR is above NO DECREASE. Avoid downscale\n"); + action = RS_ACTION_STAY; + } else if (current_tpt > (100 * tbl->expected_tpt[low])) { + IWL_DEBUG_RATE(mvm, + "Current TPT is higher than max expected in low rate. Avoid downscale\n"); + action = RS_ACTION_STAY; + } else { + IWL_DEBUG_RATE(mvm, "Decrease rate\n"); + } } return action; @@ -1725,7 +1756,6 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, int low = IWL_RATE_INVALID; int high = IWL_RATE_INVALID; int index; - int i; struct iwl_rate_scale_data *window = NULL; int current_tpt = IWL_INVALID_VALUE; int low_tpt = IWL_INVALID_VALUE; @@ -1781,6 +1811,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm, "Aggregation changed: prev %d current %d. Update expected TPT table\n", prev_agg, lq_sta->is_agg); rs_set_expected_tpt_table(lq_sta, tbl); + rs_rate_scale_clear_tbl_windows(mvm, tbl); } /* current tx rate */ @@ -2010,8 +2041,7 @@ lq_update: if (lq_sta->search_better_tbl) { /* Access the "search" table, clear its history. */ tbl = &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]); - for (i = 0; i < IWL_RATE_COUNT; i++) - rs_rate_scale_clear_window(&(tbl->win[i])); + rs_rate_scale_clear_tbl_windows(mvm, tbl); /* Use new "search" start rate */ index = tbl->rate.index; @@ -2032,8 +2062,18 @@ lq_update: * stay with best antenna legacy modulation for a while * before next round of mode comparisons. */ tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]); - if (is_legacy(&tbl1->rate) && !sta->ht_cap.ht_supported) { + if (is_legacy(&tbl1->rate)) { IWL_DEBUG_RATE(mvm, "LQ: STAY in legacy table\n"); + + if (tid != IWL_MAX_TID_COUNT) { + tid_data = &sta_priv->tid_data[tid]; + if (tid_data->state != IWL_AGG_OFF) { + IWL_DEBUG_RATE(mvm, + "Stop aggregation on tid %d\n", + tid); + ieee80211_stop_tx_ba_session(sta, tid); + } + } rs_set_stay_in_table(mvm, 1, lq_sta); } else { /* If we're in an HT mode, and all 3 mode switch actions @@ -2265,10 +2305,10 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, lq_sta->lq.sta_id = sta_priv->sta_id; for (j = 0; j < LQ_SIZE; j++) - for (i = 0; i < IWL_RATE_COUNT; i++) - rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]); + rs_rate_scale_clear_tbl_windows(mvm, &lq_sta->lq_info[j]); lq_sta->flush_timer = 0; + lq_sta->last_tx = jiffies; IWL_DEBUG_RATE(mvm, "LQ: *** rate scale station global init for station %d ***\n", @@ -2469,6 +2509,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm, if (is_siso(&rate)) { num_rates = RS_SECONDARY_SISO_NUM_RATES; num_retries = RS_SECONDARY_SISO_RETRIES; + lq_cmd->mimo_delim = index; } else if (is_legacy(&rate)) { num_rates = RS_SECONDARY_LEGACY_NUM_RATES; num_retries = RS_LEGACY_RETRIES_PER_RATE; diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h index 7bc6404f6986..f23b68b8eeff 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -156,6 +156,7 @@ enum { #define IWL_RATE_HIGH_TH 10880 /* 85% */ #define IWL_RATE_INCREASE_TH 6400 /* 50% */ #define RS_SR_FORCE_DECREASE 1920 /* 15% */ +#define RS_SR_NO_DECREASE 10880 /* 85% */ #define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) /* 4 milliseconds */ #define LINK_QUAL_AGG_TIME_LIMIT_MAX (8000) @@ -310,6 +311,7 @@ struct iwl_lq_sta { u32 visited_columns; /* Bitmask marking which Tx columns were * explored during a search cycle */ + u64 last_tx; bool is_vht; enum ieee80211_band band; diff --git a/drivers/net/wireless/iwlwifi/mvm/sf.c b/drivers/net/wireless/iwlwifi/mvm/sf.c index 8401627c0030..88809b2d1654 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sf.c +++ b/drivers/net/wireless/iwlwifi/mvm/sf.c @@ -274,7 +274,8 @@ int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *changed_vif, return -EINVAL; if (changed_vif->type != NL80211_IFTYPE_STATION) { new_state = SF_UNINIT; - } else if (changed_vif->bss_conf.assoc) { + } else if (changed_vif->bss_conf.assoc && + changed_vif->bss_conf.dtim_period) { mvmvif = iwl_mvm_vif_from_mac80211(changed_vif); sta_id = mvmvif->ap_sta_id; new_state = SF_FULL_ON; diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 3872ead75488..43e27a174430 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -372,12 +372,14 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5102, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9200, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9410, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index f9507807b486..16be0c07c64a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -318,6 +318,7 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) { int ret; int t = 0; + int iter; IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n"); @@ -326,18 +327,23 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) if (ret >= 0) return 0; - /* If HW is not ready, prepare the conditions to check again */ - iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_PREPARE); + for (iter = 0; iter < 10; iter++) { + /* If HW is not ready, prepare the conditions to check again */ + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_PREPARE); + + do { + ret = iwl_pcie_set_hw_ready(trans); + if (ret >= 0) + return 0; - do { - ret = iwl_pcie_set_hw_ready(trans); - if (ret >= 0) - return 0; + usleep_range(200, 1000); + t += 200; + } while (t < 150000); + msleep(25); + } - usleep_range(200, 1000); - t += 200; - } while (t < 150000); + IWL_DEBUG_INFO(trans, "got NIC after %d iterations\n", iter); return ret; } @@ -1563,6 +1569,10 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, * PCI Tx retries from interfering with C3 CPU state */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); + trans->dev = &pdev->dev; + trans_pcie->pci_dev = pdev; + iwl_disable_interrupts(trans); + err = pci_enable_msi(pdev); if (err) { dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err); @@ -1574,8 +1584,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, } } - trans->dev = &pdev->dev; - trans_pcie->pci_dev = pdev; trans->hw_rev = iwl_read32(trans, CSR_HW_REV); trans->hw_id = (pdev->device << 16) + pdev->subsystem_device; snprintf(trans->hw_id_str, sizeof(trans->hw_id_str), @@ -1601,8 +1609,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, goto out_pci_disable_msi; } - trans_pcie->inta_mask = CSR_INI_SET_MASK; - if (iwl_pcie_alloc_ict(trans)) goto out_free_cmd_pool; @@ -1614,6 +1620,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, goto out_free_ict; } + trans_pcie->inta_mask = CSR_INI_SET_MASK; + return trans; out_free_ict: diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 2f1cd929c6f6..a511cccc9f01 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1681,8 +1681,13 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev) /* * Detect if this device has an hardware controlled radio. */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) + if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) { __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); + /* + * On this device RFKILL initialized during probe does not work. + */ + __set_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags); + } /* * Check if the BBP tuning should be enabled. diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index e3b885d8f7db..5d45a1a740a4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -693,6 +693,7 @@ enum rt2x00_capability_flags { REQUIRE_SW_SEQNO, REQUIRE_HT_TX_DESC, REQUIRE_PS_AUTOWAKE, + REQUIRE_DELAYED_RFKILL, /* * Capabilities diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 2bde6729f5e6..4fa43a2eeb73 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1126,9 +1126,10 @@ static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev) return; /* - * Unregister extra components. + * Stop rfkill polling. */ - rt2x00rfkill_unregister(rt2x00dev); + if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_unregister(rt2x00dev); /* * Allow the HW to uninitialize. @@ -1166,6 +1167,12 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev) set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags); + /* + * Start rfkill polling. + */ + if (test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_register(rt2x00dev); + return 0; } @@ -1375,7 +1382,12 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) rt2x00link_register(rt2x00dev); rt2x00leds_register(rt2x00dev); rt2x00debug_register(rt2x00dev); - rt2x00rfkill_register(rt2x00dev); + + /* + * Start rfkill polling. + */ + if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_register(rt2x00dev); return 0; @@ -1391,6 +1403,12 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); /* + * Stop rfkill polling. + */ + if (!test_bit(REQUIRE_DELAYED_RFKILL, &rt2x00dev->cap_flags)) + rt2x00rfkill_unregister(rt2x00dev); + + /* * Disable radio. */ rt2x00lib_disable_radio(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index ddeb5a709aa3..87a8ad5d2eb7 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -487,6 +487,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, crypto.cipher = rt2x00crypto_key_to_cipher(key); if (crypto.cipher == CIPHER_NONE) return -EOPNOTSUPP; + if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev)) + return -EOPNOTSUPP; crypto.cmd = cmd; @@ -621,20 +623,18 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, bss_conf->bssid); /* - * Update the beacon. This is only required on USB devices. PCI - * devices fetch beacons periodically. - */ - if (changes & BSS_CHANGED_BEACON && rt2x00_is_usb(rt2x00dev)) - rt2x00queue_update_beacon(rt2x00dev, vif); - - /* * Start/stop beaconing. */ if (changes & BSS_CHANGED_BEACON_ENABLED) { if (!bss_conf->enable_beacon && intf->enable_beacon) { - rt2x00queue_clear_beacon(rt2x00dev, vif); rt2x00dev->intf_beaconing--; intf->enable_beacon = false; + /* + * Clear beacon in the H/W for this vif. This is needed + * to disable beaconing on this particular interface + * and keep it running on other interfaces. + */ + rt2x00queue_clear_beacon(rt2x00dev, vif); if (rt2x00dev->intf_beaconing == 0) { /* @@ -645,11 +645,15 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, rt2x00queue_stop_queue(rt2x00dev->bcn); mutex_unlock(&intf->beacon_skb_mutex); } - - } else if (bss_conf->enable_beacon && !intf->enable_beacon) { rt2x00dev->intf_beaconing++; intf->enable_beacon = true; + /* + * Upload beacon to the H/W. This is only required on + * USB devices. PCI devices fetch beacons periodically. + */ + if (rt2x00_is_usb(rt2x00dev)) + rt2x00queue_update_beacon(rt2x00dev, vif); if (rt2x00dev->intf_beaconing == 1) { /* diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c index e06971be7df7..f923d8c9a296 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/hw.c @@ -1025,9 +1025,20 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw) bool rtstatus = true; int err = 0; u8 tmp_u1b, u1byte; + unsigned long flags; RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Rtl8188EE hw init\n"); rtlpriv->rtlhal.being_init_adapter = true; + /* As this function can take a very long time (up to 350 ms) + * and can be called with irqs disabled, reenable the irqs + * to let the other devices continue being serviced. + * + * It is safe doing so since our own interrupts will only be enabled + * in a subsequent step. + */ + local_save_flags(flags); + local_irq_enable(); + rtlpriv->intf_ops->disable_aspm(hw); tmp_u1b = rtl_read_byte(rtlpriv, REG_SYS_CLKR+1); @@ -1043,7 +1054,7 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw) if (rtstatus != true) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n"); err = 1; - return err; + goto exit; } err = rtl88e_download_fw(hw, false); @@ -1051,8 +1062,7 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Failed to download FW. Init HW without FW now..\n"); err = 1; - rtlhal->fw_ready = false; - return err; + goto exit; } else { rtlhal->fw_ready = true; } @@ -1135,10 +1145,12 @@ int rtl88ee_hw_init(struct ieee80211_hw *hw) } rtl_write_byte(rtlpriv, REG_NAV_CTRL+2, ((30000+127)/128)); rtl88e_dm_init(hw); +exit: + local_irq_restore(flags); rtlpriv->rtlhal.being_init_adapter = false; RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "end of Rtl8188EE hw init %x\n", err); - return 0; + return err; } static enum version_8188e _rtl88ee_read_chip_version(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c index aece6c9cccf1..7622e44567cc 100644 --- a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c @@ -293,7 +293,7 @@ static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw, u8 *psaddr; __le16 fc; u16 type, ufc; - bool match_bssid, packet_toself, packet_beacon, addr; + bool match_bssid, packet_toself, packet_beacon = false, addr; tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c index 468bf73cc883..472e592b32ec 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c @@ -985,19 +985,30 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw) struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); int err = 0; static bool iqk_initialized; + unsigned long flags; + + /* As this function can take a very long time (up to 350 ms) + * and can be called with irqs disabled, reenable the irqs + * to let the other devices continue being serviced. + * + * It is safe doing so since our own interrupts will only be enabled + * in a subsequent step. + */ + local_save_flags(flags); + local_irq_enable(); rtlhal->hw_type = HARDWARE_TYPE_RTL8192CU; err = _rtl92cu_init_mac(hw); if (err) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "init mac failed!\n"); - return err; + goto exit; } err = rtl92c_download_fw(hw); if (err) { RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Failed to download FW. Init HW without FW now..\n"); err = 1; - return err; + goto exit; } rtlhal->last_hmeboxnum = 0; /* h2c */ _rtl92cu_phy_param_tab_init(hw); @@ -1034,6 +1045,8 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw) _InitPABias(hw); _update_mac_setting(hw); rtl92c_dm_init(hw); +exit: + local_irq_restore(flags); return err; } diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c index 4f461786a7eb..c471400fe8f0 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c @@ -955,7 +955,7 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); u8 tmp_byte = 0; - + unsigned long flags; bool rtstatus = true; u8 tmp_u1b; int err = false; @@ -967,6 +967,16 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) rtlpci->being_init_adapter = true; + /* As this function can take a very long time (up to 350 ms) + * and can be called with irqs disabled, reenable the irqs + * to let the other devices continue being serviced. + * + * It is safe doing so since our own interrupts will only be enabled + * in a subsequent step. + */ + local_save_flags(flags); + local_irq_enable(); + rtlpriv->intf_ops->disable_aspm(hw); /* 1. MAC Initialize */ @@ -984,7 +994,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Failed to download FW. Init HW without FW now... " "Please copy FW into /lib/firmware/rtlwifi\n"); - return 1; + err = 1; + goto exit; } /* After FW download, we have to reset MAC register */ @@ -997,7 +1008,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) /* 3. Initialize MAC/PHY Config by MACPHY_reg.txt */ if (!rtl92s_phy_mac_config(hw)) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "MAC Config failed\n"); - return rtstatus; + err = rtstatus; + goto exit; } /* because last function modify RCR, so we update @@ -1016,7 +1028,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) /* 4. Initialize BB After MAC Config PHY_reg.txt, AGC_Tab.txt */ if (!rtl92s_phy_bb_config(hw)) { RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "BB Config failed\n"); - return rtstatus; + err = rtstatus; + goto exit; } /* 5. Initiailze RF RAIO_A.txt RF RAIO_B.txt */ @@ -1033,7 +1046,8 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) if (!rtl92s_phy_rf_config(hw)) { RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "RF Config failed\n"); - return rtstatus; + err = rtstatus; + goto exit; } /* After read predefined TXT, we must set BB/MAC/RF @@ -1122,8 +1136,9 @@ int rtl92se_hw_init(struct ieee80211_hw *hw) rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_ON); rtl92s_dm_init(hw); +exit: + local_irq_restore(flags); rtlpci->being_init_adapter = false; - return err; } diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c index 27efbcdac6a9..d27abef140f0 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c @@ -49,6 +49,12 @@ static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 skb_queue) if (ieee80211_is_nullfunc(fc)) return QSLT_HIGH; + /* Kernel commit 1bf4bbb4024dcdab changed EAPOL packets to use + * queue V0 at priority 7; however, the RTL8192SE appears to have + * that queue at priority 6 + */ + if (skb->priority == 7) + return QSLT_VO; return skb->priority; } diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c index c333dfd116b8..99f6bc5fa986 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723ae/hw.c @@ -880,14 +880,25 @@ int rtl8723ae_hw_init(struct ieee80211_hw *hw) bool rtstatus = true; int err; u8 tmp_u1b; + unsigned long flags; rtlpriv->rtlhal.being_init_adapter = true; + /* As this function can take a very long time (up to 350 ms) + * and can be called with irqs disabled, reenable the irqs + * to let the other devices continue being serviced. + * + * It is safe doing so since our own interrupts will only be enabled + * in a subsequent step. + */ + local_save_flags(flags); + local_irq_enable(); + rtlpriv->intf_ops->disable_aspm(hw); rtstatus = _rtl8712e_init_mac(hw); if (rtstatus != true) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n"); err = 1; - return err; + goto exit; } err = rtl8723ae_download_fw(hw); @@ -895,8 +906,7 @@ int rtl8723ae_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Failed to download FW. Init HW without FW now..\n"); err = 1; - rtlhal->fw_ready = false; - return err; + goto exit; } else { rtlhal->fw_ready = true; } @@ -971,6 +981,8 @@ int rtl8723ae_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "under 1.5V\n"); } rtl8723ae_dm_init(hw); +exit: + local_irq_restore(flags); rtlpriv->rtlhal.being_init_adapter = false; return err; } diff --git a/drivers/net/wireless/ti/wl18xx/event.h b/drivers/net/wireless/ti/wl18xx/event.h index 398f3d2c0a6c..a76e98eb8372 100644 --- a/drivers/net/wireless/ti/wl18xx/event.h +++ b/drivers/net/wireless/ti/wl18xx/event.h @@ -68,6 +68,26 @@ struct wl18xx_event_mailbox { /* bitmap of inactive stations (by HLID) */ __le32 inactive_sta_bitmap; + + /* rx BA win size indicated by RX_BA_WIN_SIZE_CHANGE_EVENT_ID */ + u8 rx_ba_role_id; + u8 rx_ba_link_id; + u8 rx_ba_win_size; + u8 padding; + + /* smart config */ + u8 sc_ssid_len; + u8 sc_pwd_len; + u8 sc_token_len; + u8 padding1; + u8 sc_ssid[32]; + u8 sc_pwd[32]; + u8 sc_token[32]; + + /* smart config sync channel */ + u8 sc_sync_channel; + u8 sc_sync_band; + u8 padding2[2]; } __packed; int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event, diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 9bcf2cf19357..ca0189308d72 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -380,6 +380,32 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) EXPORT_SYMBOL_GPL(of_irq_to_resource); /** + * of_irq_get - Decode a node's IRQ and return it as a Linux irq number + * @dev: pointer to device tree node + * @index: zero-based index of the irq + * + * Returns Linux irq number on success, or -EPROBE_DEFER if the irq domain + * is not yet created. + * + */ +int of_irq_get(struct device_node *dev, int index) +{ + int rc; + struct of_phandle_args oirq; + struct irq_domain *domain; + + rc = of_irq_parse_one(dev, index, &oirq); + if (rc) + return rc; + + domain = irq_find_host(oirq.np); + if (!domain) + return -EPROBE_DEFER; + + return irq_create_of_mapping(&oirq); +} + +/** * of_irq_count - Count the number of IRQs a node uses * @dev: pointer to device tree node */ diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 404d1daebefa..bd47fbc53dc9 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -168,7 +168,9 @@ struct platform_device *of_device_alloc(struct device_node *np, rc = of_address_to_resource(np, i, res); WARN_ON(rc); } - WARN_ON(of_irq_to_resource_table(np, res, num_irq) != num_irq); + if (of_irq_to_resource_table(np, res, num_irq) != num_irq) + pr_debug("not all legacy IRQ resources mapped for %s\n", + np->name); } dev->dev.of_node = of_node_get(np); diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 05e352889868..483d9ad89705 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -291,6 +291,58 @@ static int mvebu_pcie_hw_wr_conf(struct mvebu_pcie_port *port, return PCIBIOS_SUCCESSFUL; } +/* + * Remove windows, starting from the largest ones to the smallest + * ones. + */ +static void mvebu_pcie_del_windows(struct mvebu_pcie_port *port, + phys_addr_t base, size_t size) +{ + while (size) { + size_t sz = 1 << (fls(size) - 1); + + mvebu_mbus_del_window(base, sz); + base += sz; + size -= sz; + } +} + +/* + * MBus windows can only have a power of two size, but PCI BARs do not + * have this constraint. Therefore, we have to split the PCI BAR into + * areas each having a power of two size. We start from the largest + * one (i.e highest order bit set in the size). + */ +static void mvebu_pcie_add_windows(struct mvebu_pcie_port *port, + unsigned int target, unsigned int attribute, + phys_addr_t base, size_t size, + phys_addr_t remap) +{ + size_t size_mapped = 0; + + while (size) { + size_t sz = 1 << (fls(size) - 1); + int ret; + + ret = mvebu_mbus_add_window_remap_by_id(target, attribute, base, + sz, remap); + if (ret) { + dev_err(&port->pcie->pdev->dev, + "Could not create MBus window at 0x%x, size 0x%x: %d\n", + base, sz, ret); + mvebu_pcie_del_windows(port, base - size_mapped, + size_mapped); + return; + } + + size -= sz; + size_mapped += sz; + base += sz; + if (remap != MVEBU_MBUS_NO_REMAP) + remap += sz; + } +} + static void mvebu_pcie_handle_iobase_change(struct mvebu_pcie_port *port) { phys_addr_t iobase; @@ -302,8 +354,8 @@ static void mvebu_pcie_handle_iobase_change(struct mvebu_pcie_port *port) /* If a window was configured, remove it */ if (port->iowin_base) { - mvebu_mbus_del_window(port->iowin_base, - port->iowin_size); + mvebu_pcie_del_windows(port, port->iowin_base, + port->iowin_size); port->iowin_base = 0; port->iowin_size = 0; } @@ -329,11 +381,11 @@ static void mvebu_pcie_handle_iobase_change(struct mvebu_pcie_port *port) port->iowin_base = port->pcie->io.start + iobase; port->iowin_size = ((0xFFF | ((port->bridge.iolimit & 0xF0) << 8) | (port->bridge.iolimitupper << 16)) - - iobase); + iobase) + 1; - mvebu_mbus_add_window_remap_by_id(port->io_target, port->io_attr, - port->iowin_base, port->iowin_size, - iobase); + mvebu_pcie_add_windows(port, port->io_target, port->io_attr, + port->iowin_base, port->iowin_size, + iobase); } static void mvebu_pcie_handle_membase_change(struct mvebu_pcie_port *port) @@ -344,8 +396,8 @@ static void mvebu_pcie_handle_membase_change(struct mvebu_pcie_port *port) /* If a window was configured, remove it */ if (port->memwin_base) { - mvebu_mbus_del_window(port->memwin_base, - port->memwin_size); + mvebu_pcie_del_windows(port, port->memwin_base, + port->memwin_size); port->memwin_base = 0; port->memwin_size = 0; } @@ -362,10 +414,11 @@ static void mvebu_pcie_handle_membase_change(struct mvebu_pcie_port *port) port->memwin_base = ((port->bridge.membase & 0xFFF0) << 16); port->memwin_size = (((port->bridge.memlimit & 0xFFF0) << 16) | 0xFFFFF) - - port->memwin_base; + port->memwin_base + 1; - mvebu_mbus_add_window_by_id(port->mem_target, port->mem_attr, - port->memwin_base, port->memwin_size); + mvebu_pcie_add_windows(port, port->mem_target, port->mem_attr, + port->memwin_base, port->memwin_size, + MVEBU_MBUS_NO_REMAP); } /* @@ -721,14 +774,21 @@ static resource_size_t mvebu_pcie_align_resource(struct pci_dev *dev, /* * On the PCI-to-PCI bridge side, the I/O windows must have at - * least a 64 KB size and be aligned on their size, and the - * memory windows must have at least a 1 MB size and be - * aligned on their size + * least a 64 KB size and the memory windows must have at + * least a 1 MB size. Moreover, MBus windows need to have a + * base address aligned on their size, and their size must be + * a power of two. This means that if the BAR doesn't have a + * power of two size, several MBus windows will actually be + * created. We need to ensure that the biggest MBus window + * (which will be the first one) is aligned on its size, which + * explains the rounddown_pow_of_two() being done here. */ if (res->flags & IORESOURCE_IO) - return round_up(start, max_t(resource_size_t, SZ_64K, size)); + return round_up(start, max_t(resource_size_t, SZ_64K, + rounddown_pow_of_two(size))); else if (res->flags & IORESOURCE_MEM) - return round_up(start, max_t(resource_size_t, SZ_1M, size)); + return round_up(start, max_t(resource_size_t, SZ_1M, + rounddown_pow_of_two(size))); else return start; } diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index 58499277903a..6efc2ec5e4db 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -282,8 +282,8 @@ static int board_added(struct slot *p_slot) return WRONG_BUS_FREQUENCY; } - bsp = ctrl->pci_dev->bus->cur_bus_speed; - msp = ctrl->pci_dev->bus->max_bus_speed; + bsp = ctrl->pci_dev->subordinate->cur_bus_speed; + msp = ctrl->pci_dev->subordinate->max_bus_speed; /* Check if there are other slots or devices on the same bus */ if (!list_empty(&ctrl->pci_dev->subordinate->devices)) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 955ab7990c5b..fb02fc2fb034 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -414,7 +414,7 @@ static void free_msi_irqs(struct pci_dev *dev) if (dev->msi_irq_groups) { sysfs_remove_groups(&dev->dev.kobj, dev->msi_irq_groups); msi_attrs = dev->msi_irq_groups[0]->attrs; - list_for_each_entry(entry, &dev->msi_list, list) { + while (msi_attrs[count]) { dev_attr = container_of(msi_attrs[count], struct device_attribute, attr); kfree(dev_attr->attr.name); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index fdbc294821e6..ed1b6db25b03 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3043,7 +3043,8 @@ int pci_wait_for_pending_transaction(struct pci_dev *dev) if (!pci_is_pcie(dev)) return 1; - return pci_wait_for_pending(dev, PCI_EXP_DEVSTA, PCI_EXP_DEVSTA_TRPND); + return pci_wait_for_pending(dev, pci_pcie_cap(dev) + PCI_EXP_DEVSTA, + PCI_EXP_DEVSTA_TRPND); } EXPORT_SYMBOL(pci_wait_for_pending_transaction); @@ -3085,7 +3086,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe) return 0; /* Wait for Transaction Pending bit clean */ - if (pci_wait_for_pending(dev, PCI_AF_STATUS, PCI_AF_STATUS_TP)) + if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP)) goto clear; dev_err(&dev->dev, "transaction is not cleared; " @@ -4101,7 +4102,7 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode, u16 cmd; int rc; - WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) & (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY))); + WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) && (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY))); /* ARCH specific VGA enables */ rc = pci_set_vga_state_arch(dev, decode, command_bits, flags); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 5cb726c193de..813f437f3ee8 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2949,6 +2949,7 @@ static void disable_igfx_irq(struct pci_dev *dev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq); /* * PCI devices which are on Intel chips can skip the 10ms delay diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c index 7f139326a642..ff026689358c 100644 --- a/drivers/phy/phy-exynos-mipi-video.c +++ b/drivers/phy/phy-exynos-mipi-video.c @@ -101,7 +101,7 @@ static struct phy *exynos_mipi_video_phy_xlate(struct device *dev, { struct exynos_mipi_video_phy *state = dev_get_drvdata(dev); - if (WARN_ON(args->args[0] > EXYNOS_MIPI_PHYS_NUM)) + if (WARN_ON(args->args[0] >= EXYNOS_MIPI_PHYS_NUM)) return ERR_PTR(-ENODEV); return state->phys[args->args[0]].phy; diff --git a/drivers/pinctrl/pinctrl-as3722.c b/drivers/pinctrl/pinctrl-as3722.c index 92ed4b2e3c07..c862f9c0e9ce 100644 --- a/drivers/pinctrl/pinctrl-as3722.c +++ b/drivers/pinctrl/pinctrl-as3722.c @@ -64,7 +64,6 @@ struct as3722_pin_function { }; struct as3722_gpio_pin_control { - bool enable_gpio_invert; unsigned mode_prop; int io_function; }; @@ -320,10 +319,8 @@ static int as3722_pinctrl_gpio_set_direction(struct pinctrl_dev *pctldev, return mode; } - if (as_pci->gpio_control[offset].enable_gpio_invert) - mode |= AS3722_GPIO_INV; - - return as3722_write(as3722, AS3722_GPIOn_CONTROL_REG(offset), mode); + return as3722_update_bits(as3722, AS3722_GPIOn_CONTROL_REG(offset), + AS3722_GPIO_MODE_MASK, mode); } static const struct pinmux_ops as3722_pinmux_ops = { @@ -496,10 +493,18 @@ static void as3722_gpio_set(struct gpio_chip *chip, unsigned offset, { struct as3722_pctrl_info *as_pci = to_as_pci(chip); struct as3722 *as3722 = as_pci->as3722; - int en_invert = as_pci->gpio_control[offset].enable_gpio_invert; + int en_invert; u32 val; int ret; + ret = as3722_read(as3722, AS3722_GPIOn_CONTROL_REG(offset), &val); + if (ret < 0) { + dev_err(as_pci->dev, + "GPIO_CONTROL%d_REG read failed: %d\n", offset, ret); + return; + } + en_invert = !!(val & AS3722_GPIO_INV); + if (value) val = (en_invert) ? 0 : AS3722_GPIOn_SIGNAL(offset); else diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index defb6afc1409..e2a91c845ac9 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -8447,9 +8447,21 @@ static void mute_led_exit(void) tpacpi_led_set(i, false); } +static void mute_led_resume(void) +{ + int i; + + for (i = 0; i < TPACPI_LED_MAX; i++) { + struct tp_led_table *t = &led_tables[i]; + if (t->state >= 0) + mute_led_on_off(t, t->state); + } +} + static struct ibm_struct mute_led_driver_data = { .name = "mute_led", .exit = mute_led_exit, + .resume = mute_led_resume, }; /**************************************************************************** diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 9f611cbbc294..c31aa07b3ba5 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -83,8 +83,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev) { struct acpi_device *acpi_dev; acpi_handle handle; - struct acpi_buffer buffer; - int ret; + int ret = 0; pnp_dbg(&dev->dev, "set resources\n"); @@ -97,19 +96,26 @@ static int pnpacpi_set_resources(struct pnp_dev *dev) if (WARN_ON_ONCE(acpi_dev != dev->data)) dev->data = acpi_dev; - ret = pnpacpi_build_resource_template(dev, &buffer); - if (ret) - return ret; - ret = pnpacpi_encode_resources(dev, &buffer); - if (ret) { + if (acpi_has_method(handle, METHOD_NAME__SRS)) { + struct acpi_buffer buffer; + + ret = pnpacpi_build_resource_template(dev, &buffer); + if (ret) + return ret; + + ret = pnpacpi_encode_resources(dev, &buffer); + if (!ret) { + acpi_status status; + + status = acpi_set_current_resources(handle, &buffer); + if (ACPI_FAILURE(status)) + ret = -EIO; + } kfree(buffer.pointer); - return ret; } - if (ACPI_FAILURE(acpi_set_current_resources(handle, &buffer))) - ret = -EINVAL; - else if (acpi_bus_power_manageable(handle)) + if (!ret && acpi_bus_power_manageable(handle)) ret = acpi_bus_set_power(handle, ACPI_STATE_D0); - kfree(buffer.pointer); + return ret; } @@ -117,7 +123,7 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev) { struct acpi_device *acpi_dev; acpi_handle handle; - int ret; + acpi_status status; dev_dbg(&dev->dev, "disable resources\n"); @@ -128,13 +134,15 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev) } /* acpi_unregister_gsi(pnp_irq(dev, 0)); */ - ret = 0; if (acpi_bus_power_manageable(handle)) acpi_bus_set_power(handle, ACPI_STATE_D3_COLD); - /* continue even if acpi_bus_set_power() fails */ - if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DIS", NULL, NULL))) - ret = -ENODEV; - return ret; + + /* continue even if acpi_bus_set_power() fails */ + status = acpi_evaluate_object(handle, "_DIS", NULL, NULL); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) + return -ENODEV; + + return 0; } #ifdef CONFIG_ACPI_SLEEP diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 3281c90691c3..44fe83ee9bee 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -48,6 +48,7 @@ struct at91_rtc_config { static const struct at91_rtc_config *at91_rtc_config; static DECLARE_COMPLETION(at91_rtc_updated); +static DECLARE_COMPLETION(at91_rtc_upd_rdy); static unsigned int at91_alarm_year = AT91_RTC_EPOCH; static void __iomem *at91_rtc_regs; static int irq; @@ -161,6 +162,8 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm) 1900 + tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); + wait_for_completion(&at91_rtc_upd_rdy); + /* Stop Time/Calendar from counting */ cr = at91_rtc_read(AT91_RTC_CR); at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM); @@ -183,7 +186,9 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm) /* Restart Time/Calendar */ cr = at91_rtc_read(AT91_RTC_CR); + at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_SECEV); at91_rtc_write(AT91_RTC_CR, cr & ~(AT91_RTC_UPDCAL | AT91_RTC_UPDTIM)); + at91_rtc_write_ier(AT91_RTC_SECEV); return 0; } @@ -290,8 +295,10 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id) if (rtsr) { /* this interrupt is shared! Is it ours? */ if (rtsr & AT91_RTC_ALARM) events |= (RTC_AF | RTC_IRQF); - if (rtsr & AT91_RTC_SECEV) - events |= (RTC_UF | RTC_IRQF); + if (rtsr & AT91_RTC_SECEV) { + complete(&at91_rtc_upd_rdy); + at91_rtc_write_idr(AT91_RTC_SECEV); + } if (rtsr & AT91_RTC_ACKUPD) complete(&at91_rtc_updated); @@ -413,6 +420,11 @@ static int __init at91_rtc_probe(struct platform_device *pdev) return PTR_ERR(rtc); platform_set_drvdata(pdev, rtc); + /* enable SECEV interrupt in order to initialize at91_rtc_upd_rdy + * completion. + */ + at91_rtc_write_ier(AT91_RTC_SECEV); + dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n"); return 0; } diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c index bd628a6f981d..e5f13c4310fe 100644 --- a/drivers/rtc/rtc-hym8563.c +++ b/drivers/rtc/rtc-hym8563.c @@ -569,6 +569,9 @@ static int hym8563_probe(struct i2c_client *client, if (IS_ERR(hym8563->rtc)) return PTR_ERR(hym8563->rtc); + /* the hym8563 alarm only supports a minute accuracy */ + hym8563->rtc->uie_unsupported = 1; + #ifdef CONFIG_COMMON_CLK hym8563_clkout_register_clk(hym8563); #endif diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 9f0ea6cb6922..e3bf885f4a6c 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -541,18 +541,27 @@ static void chsc_process_sei_nt0(struct chsc_sei_nt0_area *sei_area) static void chsc_process_event_information(struct chsc_sei *sei, u64 ntsm) { - do { + static int ntsm_unsupported; + + while (true) { memset(sei, 0, sizeof(*sei)); sei->request.length = 0x0010; sei->request.code = 0x000e; - sei->ntsm = ntsm; + if (!ntsm_unsupported) + sei->ntsm = ntsm; if (chsc(sei)) break; if (sei->response.code != 0x0001) { - CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x)\n", - sei->response.code); + CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x, ntsm=%llx)\n", + sei->response.code, sei->ntsm); + + if (sei->response.code == 3 && sei->ntsm) { + /* Fallback for old firmware. */ + ntsm_unsupported = 1; + continue; + } break; } @@ -568,7 +577,10 @@ static void chsc_process_event_information(struct chsc_sei *sei, u64 ntsm) CIO_CRW_EVENT(2, "chsc: unhandled nt: %d\n", sei->nt); break; } - } while (sei->u.nt0_area.flags & 0x80); + + if (!(sei->u.nt0_area.flags & 0x80)) + break; + } } /* diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index fa764406df68..c5bb0e0a36b9 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -185,6 +185,11 @@ static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue) if (crq->valid & 0x80) { if (++queue->cur == queue->size) queue->cur = 0; + + /* Ensure the read of the valid bit occurs before reading any + * other bits of the CRQ entry + */ + rmb(); } else crq = NULL; spin_unlock_irqrestore(&queue->lock, flags); @@ -203,6 +208,11 @@ static int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata, { struct vio_dev *vdev = to_vio_dev(hostdata->dev); + /* + * Ensure the command buffer is flushed to memory before handing it + * over to the VIOS to prevent it from fetching any stale data. + */ + mb(); return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2); } @@ -797,7 +807,8 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code) evt->hostdata->dev); if (evt->cmnd_done) evt->cmnd_done(evt->cmnd); - } else if (evt->done) + } else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT && + evt->iu.srp.login_req.opcode != SRP_LOGIN_REQ) evt->done(evt); free_event_struct(&evt->hostdata->pool, evt); spin_lock_irqsave(hostdata->host->host_lock, flags); diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c index dfffd0f37916..a70692779a16 100644 --- a/drivers/scsi/megaraid/megaraid_mm.c +++ b/drivers/scsi/megaraid/megaraid_mm.c @@ -486,6 +486,8 @@ mimd_to_kioc(mimd_t __user *umimd, mraid_mmadp_t *adp, uioc_t *kioc) pthru32->dataxferaddr = kioc->buf_paddr; if (kioc->data_dir & UIOC_WR) { + if (pthru32->dataxferlen > kioc->xferlen) + return -EINVAL; if (copy_from_user(kioc->buf_vaddr, kioc->user_data, pthru32->dataxferlen)) { return (-EFAULT); diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 7f0af4fcc001..6fd7d40b2c4d 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -8293,7 +8293,6 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state) mpt2sas_base_free_resources(ioc); pci_save_state(pdev); - pci_disable_device(pdev); pci_set_power_state(pdev, device_state); return 0; } diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 78b004da2885..edb4d46fa874 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -131,7 +131,7 @@ scmd_eh_abort_handler(struct work_struct *work) "aborting command %p\n", scmd)); rtn = scsi_try_to_abort_cmd(sdev->host->hostt, scmd); if (rtn == SUCCESS) { - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); if (scsi_host_eh_past_deadline(sdev->host)) { SCSI_LOG_ERROR_RECOVERY(3, scmd_printk(KERN_INFO, scmd, @@ -167,7 +167,7 @@ scmd_eh_abort_handler(struct work_struct *work) scmd_printk(KERN_WARNING, scmd, "scmd %p terminate " "aborted command\n", scmd)); - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); scsi_finish_command(scmd); } } @@ -290,7 +290,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req) if (scsi_abort_command(scmd) == SUCCESS) return BLK_EH_NOT_HANDLED; - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); if (unlikely(rtn == BLK_EH_NOT_HANDLED && !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) @@ -1157,6 +1157,15 @@ int scsi_eh_get_sense(struct list_head *work_q, __func__)); break; } + if (status_byte(scmd->result) != CHECK_CONDITION) + /* + * don't request sense if there's no check condition + * status because the error we're processing isn't one + * that has a sense code (and some devices get + * confused by sense requests out of the blue) + */ + continue; + SCSI_LOG_ERROR_RECOVERY(2, scmd_printk(KERN_INFO, scmd, "%s: requesting sense\n", current->comm)); @@ -1764,7 +1773,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) break; case DID_ABORT: if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) { - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); return SUCCESS; } case DID_NO_CONNECT: diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c index fe30ea94ffe6..109802f776ed 100644 --- a/drivers/scsi/scsi_netlink.c +++ b/drivers/scsi/scsi_netlink.c @@ -77,7 +77,7 @@ scsi_nl_rcv_msg(struct sk_buff *skb) goto next_msg; } - if (!capable(CAP_SYS_ADMIN)) { + if (!netlink_capable(skb, CAP_SYS_ADMIN)) { err = -EPERM; goto next_msg; } diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 307a81137607..4109530e92a0 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -320,6 +320,7 @@ static void scsi_target_destroy(struct scsi_target *starget) struct Scsi_Host *shost = dev_to_shost(dev->parent); unsigned long flags; + starget->state = STARGET_DEL; transport_destroy_device(dev); spin_lock_irqsave(shost->host_lock, flags); if (shost->hostt->target_destroy) @@ -371,6 +372,37 @@ static struct scsi_target *__scsi_find_target(struct device *parent, } /** + * scsi_target_reap_ref_release - remove target from visibility + * @kref: the reap_ref in the target being released + * + * Called on last put of reap_ref, which is the indication that no device + * under this target is visible anymore, so render the target invisible in + * sysfs. Note: we have to be in user context here because the target reaps + * should be done in places where the scsi device visibility is being removed. + */ +static void scsi_target_reap_ref_release(struct kref *kref) +{ + struct scsi_target *starget + = container_of(kref, struct scsi_target, reap_ref); + + /* + * if we get here and the target is still in the CREATED state that + * means it was allocated but never made visible (because a scan + * turned up no LUNs), so don't call device_del() on it. + */ + if (starget->state != STARGET_CREATED) { + transport_remove_device(&starget->dev); + device_del(&starget->dev); + } + scsi_target_destroy(starget); +} + +static void scsi_target_reap_ref_put(struct scsi_target *starget) +{ + kref_put(&starget->reap_ref, scsi_target_reap_ref_release); +} + +/** * scsi_alloc_target - allocate a new or find an existing target * @parent: parent of the target (need not be a scsi host) * @channel: target channel number (zero if no channels) @@ -392,7 +424,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, + shost->transportt->target_size; struct scsi_target *starget; struct scsi_target *found_target; - int error; + int error, ref_got; starget = kzalloc(size, GFP_KERNEL); if (!starget) { @@ -401,7 +433,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, } dev = &starget->dev; device_initialize(dev); - starget->reap_ref = 1; + kref_init(&starget->reap_ref); dev->parent = get_device(parent); dev_set_name(dev, "target%d:%d:%d", shost->host_no, channel, id); dev->bus = &scsi_bus_type; @@ -441,29 +473,36 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, return starget; found: - found_target->reap_ref++; + /* + * release routine already fired if kref is zero, so if we can still + * take the reference, the target must be alive. If we can't, it must + * be dying and we need to wait for a new target + */ + ref_got = kref_get_unless_zero(&found_target->reap_ref); + spin_unlock_irqrestore(shost->host_lock, flags); - if (found_target->state != STARGET_DEL) { + if (ref_got) { put_device(dev); return found_target; } - /* Unfortunately, we found a dying target; need to - * wait until it's dead before we can get a new one */ + /* + * Unfortunately, we found a dying target; need to wait until it's + * dead before we can get a new one. There is an anomaly here. We + * *should* call scsi_target_reap() to balance the kref_get() of the + * reap_ref above. However, since the target being released, it's + * already invisible and the reap_ref is irrelevant. If we call + * scsi_target_reap() we might spuriously do another device_del() on + * an already invisible target. + */ put_device(&found_target->dev); - flush_scheduled_work(); + /* + * length of time is irrelevant here, we just want to yield the CPU + * for a tick to avoid busy waiting for the target to die. + */ + msleep(1); goto retry; } -static void scsi_target_reap_usercontext(struct work_struct *work) -{ - struct scsi_target *starget = - container_of(work, struct scsi_target, ew.work); - - transport_remove_device(&starget->dev); - device_del(&starget->dev); - scsi_target_destroy(starget); -} - /** * scsi_target_reap - check to see if target is in use and destroy if not * @starget: target to be checked @@ -474,28 +513,13 @@ static void scsi_target_reap_usercontext(struct work_struct *work) */ void scsi_target_reap(struct scsi_target *starget) { - struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); - unsigned long flags; - enum scsi_target_state state; - int empty = 0; - - spin_lock_irqsave(shost->host_lock, flags); - state = starget->state; - if (--starget->reap_ref == 0 && list_empty(&starget->devices)) { - empty = 1; - starget->state = STARGET_DEL; - } - spin_unlock_irqrestore(shost->host_lock, flags); - - if (!empty) - return; - - BUG_ON(state == STARGET_DEL); - if (state == STARGET_CREATED) - scsi_target_destroy(starget); - else - execute_in_process_context(scsi_target_reap_usercontext, - &starget->ew); + /* + * serious problem if this triggers: STARGET_DEL is only set in the if + * the reap_ref drops to zero, so we're trying to do another final put + * on an already released kref + */ + BUG_ON(starget->state == STARGET_DEL); + scsi_target_reap_ref_put(starget); } /** @@ -1532,6 +1556,10 @@ struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel, } mutex_unlock(&shost->scan_mutex); scsi_autopm_put_target(starget); + /* + * paired with scsi_alloc_target(). Target will be destroyed unless + * scsi_probe_and_add_lun made an underlying device visible + */ scsi_target_reap(starget); put_device(&starget->dev); @@ -1612,8 +1640,10 @@ static void __scsi_scan_target(struct device *parent, unsigned int channel, out_reap: scsi_autopm_put_target(starget); - /* now determine if the target has any children at all - * and if not, nuke it */ + /* + * paired with scsi_alloc_target(): determine if the target has + * any children at all and if not, nuke it + */ scsi_target_reap(starget); put_device(&starget->dev); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 9117d0bf408e..665acbf83693 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -383,17 +383,14 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) { struct scsi_device *sdev; struct device *parent; - struct scsi_target *starget; struct list_head *this, *tmp; unsigned long flags; sdev = container_of(work, struct scsi_device, ew.work); parent = sdev->sdev_gendev.parent; - starget = to_scsi_target(parent); spin_lock_irqsave(sdev->host->host_lock, flags); - starget->reap_ref++; list_del(&sdev->siblings); list_del(&sdev->same_target_siblings); list_del(&sdev->starved_entry); @@ -413,8 +410,6 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) /* NULL queue means the device can't be used */ sdev->request_queue = NULL; - scsi_target_reap(scsi_target(sdev)); - kfree(sdev->inquiry); kfree(sdev); @@ -1071,6 +1066,13 @@ void __scsi_remove_device(struct scsi_device *sdev) sdev->host->hostt->slave_destroy(sdev); transport_destroy_device(dev); + /* + * Paired with the kref_get() in scsi_sysfs_initialize(). We have + * remoed sysfs visibility from the device, so make the target + * invisible if this was the last device underneath it. + */ + scsi_target_reap(scsi_target(sdev)); + put_device(dev); } @@ -1133,7 +1135,7 @@ void scsi_remove_target(struct device *dev) continue; if (starget->dev.parent == dev || &starget->dev == dev) { /* assuming new targets arrive at the end */ - starget->reap_ref++; + kref_get(&starget->reap_ref); spin_unlock_irqrestore(shost->host_lock, flags); if (last) scsi_target_reap(last); @@ -1217,6 +1219,12 @@ void scsi_sysfs_device_initialize(struct scsi_device *sdev) list_add_tail(&sdev->same_target_siblings, &starget->devices); list_add_tail(&sdev->siblings, &shost->__devices); spin_unlock_irqrestore(shost->host_lock, flags); + /* + * device can now only be removed via __scsi_remove_device() so hold + * the target. Target will be held in CREATED state until something + * beneath it becomes visible (in which case it moves to RUNNING) + */ + kref_get(&starget->reap_ref); } int scsi_is_sdev_device(const struct device *dev) diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 1b681427dde0..c341f855fadc 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -1621,8 +1621,6 @@ void sas_rphy_free(struct sas_rphy *rphy) list_del(&rphy->list); mutex_unlock(&sas_host->lock); - sas_bsg_remove(shost, rphy); - transport_destroy_device(dev); put_device(dev); @@ -1681,6 +1679,7 @@ sas_rphy_remove(struct sas_rphy *rphy) } sas_rphy_unlink(rphy); + sas_bsg_remove(NULL, rphy); transport_remove_device(dev); device_del(dev); } diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index d92fe4037e94..6b349e301869 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -3000,7 +3000,11 @@ sym_dequeue_from_squeue(struct sym_hcb *np, int i, int target, int lun, int task if ((target == -1 || cp->target == target) && (lun == -1 || cp->lun == lun) && (task == -1 || cp->tag == task)) { +#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING sym_set_cam_status(cp->cmd, DID_SOFT_ERROR); +#else + sym_set_cam_status(cp->cmd, DID_REQUEUE); +#endif sym_remque(&cp->link_ccbq); sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq); } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 16bfd50cd3fe..8490aa411739 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -273,6 +273,16 @@ static void virtscsi_req_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, req_vq, virtscsi_complete_cmd); }; +static void virtscsi_poll_requests(struct virtio_scsi *vscsi) +{ + int i, num_vqs; + + num_vqs = vscsi->num_queues; + for (i = 0; i < num_vqs; i++) + virtscsi_vq_done(vscsi, &vscsi->req_vqs[i], + virtscsi_complete_cmd); +} + static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; @@ -291,6 +301,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free); }; +static void virtscsi_handle_event(struct work_struct *work); + static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct virtio_scsi_event_node *event_node) { @@ -298,6 +310,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct scatterlist sg; unsigned long flags; + INIT_WORK(&event_node->work, virtscsi_handle_event); sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event)); spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); @@ -415,7 +428,6 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; - INIT_WORK(&event_node->work, virtscsi_handle_event); schedule_work(&event_node->work); } @@ -605,6 +617,18 @@ static int virtscsi_tmf(struct virtio_scsi *vscsi, struct virtio_scsi_cmd *cmd) cmd->resp.tmf.response == VIRTIO_SCSI_S_FUNCTION_SUCCEEDED) ret = SUCCESS; + /* + * The spec guarantees that all requests related to the TMF have + * been completed, but the callback might not have run yet if + * we're using independent interrupts (e.g. MSI). Poll the + * virtqueues once. + * + * In the abort case, sc->scsi_done will do nothing, because + * the block layer must have detected a timeout and as a result + * REQ_ATOM_COMPLETE has been set. + */ + virtscsi_poll_requests(vscsi); + out: mempool_free(cmd, virtscsi_cmd_pool); return ret; @@ -750,8 +774,12 @@ static void __virtscsi_set_affinity(struct virtio_scsi *vscsi, bool affinity) vscsi->affinity_hint_set = true; } else { - for (i = 0; i < vscsi->num_queues; i++) + for (i = 0; i < vscsi->num_queues; i++) { + if (!vscsi->req_vqs[i].vq) + continue; + virtqueue_set_affinity(vscsi->req_vqs[i].vq, -1); + } vscsi->affinity_hint_set = false; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index d0b28bba38be..fbf3b22efe5a 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1568,7 +1568,7 @@ EXPORT_SYMBOL_GPL(spi_busnum_to_master); */ int spi_setup(struct spi_device *spi) { - unsigned bad_bits; + unsigned bad_bits, ugly_bits; int status = 0; /* check mode to prevent that DUAL and QUAD set at the same time @@ -1588,6 +1588,15 @@ int spi_setup(struct spi_device *spi) * that aren't supported with their current master */ bad_bits = spi->mode & ~spi->master->mode_bits; + ugly_bits = bad_bits & + (SPI_TX_DUAL | SPI_TX_QUAD | SPI_RX_DUAL | SPI_RX_QUAD); + if (ugly_bits) { + dev_warn(&spi->dev, + "setup: ignoring unsupported mode bits %x\n", + ugly_bits); + spi->mode &= ~ugly_bits; + bad_bits &= ~ugly_bits; + } if (bad_bits) { dev_err(&spi->dev, "setup: unsupported mode bits %x\n", bad_bits); diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c index e4cdca349157..6417af0bdaab 100644 --- a/drivers/staging/comedi/drivers/ni_daq_700.c +++ b/drivers/staging/comedi/drivers/ni_daq_700.c @@ -122,6 +122,8 @@ static int daq700_ai_rinsn(struct comedi_device *dev, /* write channel to multiplexer */ /* set mask scan bit high to disable scanning */ outb(chan | 0x80, dev->iobase + CMD_R1); + /* mux needs 2us to really settle [Fred Brooks]. */ + udelay(2); /* convert n samples */ for (n = 0; n < insn->n; n++) { diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 357cef2a6f4c..7194bd138762 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client, struct ad7291_platform_data *pdata = client->dev.platform_data; struct ad7291_chip_info *chip; struct iio_dev *indio_dev; - int ret = 0; + int ret; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip)); if (!indio_dev) @@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client, if (pdata && pdata->use_external_ref) { chip->reg = devm_regulator_get(&client->dev, "vref"); if (IS_ERR(chip->reg)) - return ret; + return PTR_ERR(chip->reg); ret = regulator_enable(chip->reg); if (ret) diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index 514844efac75..9ec1df9cff95 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -846,6 +846,14 @@ static int mxs_lradc_read_single(struct iio_dev *iio_dev, int chan, int *val) LRADC_CTRL1); mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0); + /* Enable / disable the divider per requirement */ + if (test_bit(chan, &lradc->is_divided)) + mxs_lradc_reg_set(lradc, 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, + LRADC_CTRL2); + else + mxs_lradc_reg_clear(lradc, + 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, LRADC_CTRL2); + /* Clean the slot's previous content, then set new one. */ mxs_lradc_reg_clear(lradc, LRADC_CTRL4_LRADCSELECT_MASK(0), LRADC_CTRL4); mxs_lradc_reg_set(lradc, chan, LRADC_CTRL4); @@ -964,15 +972,11 @@ static int mxs_lradc_write_raw(struct iio_dev *iio_dev, if (val == scale_avail[MXS_LRADC_DIV_DISABLED].integer && val2 == scale_avail[MXS_LRADC_DIV_DISABLED].nano) { /* divider by two disabled */ - writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, - lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_CLR); clear_bit(chan->channel, &lradc->is_divided); ret = 0; } else if (val == scale_avail[MXS_LRADC_DIV_ENABLED].integer && val2 == scale_avail[MXS_LRADC_DIV_ENABLED].nano) { /* divider by two enabled */ - writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, - lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_SET); set_bit(chan->channel, &lradc->is_divided); ret = 0; } diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c index 1e538086d48b..ce1e74e000bb 100644 --- a/drivers/staging/iio/light/tsl2x7x_core.c +++ b/drivers/staging/iio/light/tsl2x7x_core.c @@ -667,9 +667,13 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] = chip->tsl2x7x_settings.prox_pulse_count; chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] = - chip->tsl2x7x_settings.prox_thres_low; + (chip->tsl2x7x_settings.prox_thres_low) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] = + (chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF; chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] = - chip->tsl2x7x_settings.prox_thres_high; + (chip->tsl2x7x_settings.prox_thres_high) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] = + (chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF; /* and make sure we're not already on */ if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) { diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c index b2cd3a85166d..bbf236e842a9 100644 --- a/drivers/staging/media/bcm2048/radio-bcm2048.c +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c @@ -737,7 +737,7 @@ static int bcm2048_set_region(struct bcm2048_device *bdev, u8 region) int err; u32 new_frequency = 0; - if (region > ARRAY_SIZE(region_configs)) + if (region >= ARRAY_SIZE(region_configs)) return -EINVAL; mutex_lock(&bdev->mutex); diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c b/drivers/staging/mt29f_spinand/mt29f_spinand.c index 51dbc13e757f..5a40925680ac 100644 --- a/drivers/staging/mt29f_spinand/mt29f_spinand.c +++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c @@ -924,6 +924,7 @@ static int spinand_remove(struct spi_device *spi) static const struct of_device_id spinand_dt[] = { { .compatible = "spinand,mt29f", }, + {} }; /* diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c index 96df62f95b6b..9b4678c73c0d 100644 --- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c @@ -1601,13 +1601,18 @@ int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_l pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len); if (pIE == NULL) return _FAIL; + if (ie_len > NDIS_802_11_LENGTH_RATES_EX) + return _FAIL; memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); supportRateNum = ie_len; pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len); - if (pIE) + if (pIE) { + if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX) + return _FAIL; memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); + } return _SUCCESS; } diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c index 77964885b3f2..334d949afd63 100644 --- a/drivers/staging/rtl8192e/rtllib_tx.c +++ b/drivers/staging/rtl8192e/rtllib_tx.c @@ -171,7 +171,7 @@ inline int rtllib_put_snap(u8 *data, u16 h_proto) snap->oui[1] = oui[1]; snap->oui[2] = oui[2]; - *(u16 *)(data + SNAP_SIZE) = h_proto; + *(__be16 *)(data + SNAP_SIZE) = htons(h_proto); return SNAP_SIZE + sizeof(u16); } diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index ef5933b93590..f61f9cf95ed7 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -2218,6 +2218,7 @@ static void __exit speakup_exit(void) unregister_keyboard_notifier(&keyboard_notifier_block); unregister_vt_notifier(&vt_notifier_block); speakup_unregister_devsynth(); + speakup_cancel_paste(); del_timer(&cursor_timer); kthread_stop(speakup_task); speakup_task = NULL; diff --git a/drivers/staging/speakup/selection.c b/drivers/staging/speakup/selection.c index f0fb00392d6b..ca04d3669acc 100644 --- a/drivers/staging/speakup/selection.c +++ b/drivers/staging/speakup/selection.c @@ -4,6 +4,10 @@ #include <linux/sched.h> #include <linux/device.h> /* for dev_warn */ #include <linux/selection.h> +#include <linux/workqueue.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <asm/cmpxchg.h> #include "speakup.h" @@ -121,31 +125,61 @@ int speakup_set_selection(struct tty_struct *tty) return 0; } -/* TODO: move to some helper thread, probably. That'd fix having to check for - * in_atomic(). */ -int speakup_paste_selection(struct tty_struct *tty) +struct speakup_paste_work { + struct work_struct work; + struct tty_struct *tty; +}; + +static void __speakup_paste_selection(struct work_struct *work) { + struct speakup_paste_work *spw = + container_of(work, struct speakup_paste_work, work); + struct tty_struct *tty = xchg(&spw->tty, NULL); struct vc_data *vc = (struct vc_data *) tty->driver_data; int pasted = 0, count; + struct tty_ldisc *ld; DECLARE_WAITQUEUE(wait, current); + + ld = tty_ldisc_ref_wait(tty); + tty_buffer_lock_exclusive(&vc->port); + add_wait_queue(&vc->paste_wait, &wait); while (sel_buffer && sel_buffer_lth > pasted) { set_current_state(TASK_INTERRUPTIBLE); if (test_bit(TTY_THROTTLED, &tty->flags)) { - if (in_atomic()) - /* if we are in an interrupt handler, abort */ - break; schedule(); continue; } count = sel_buffer_lth - pasted; - count = min_t(int, count, tty->receive_room); - tty->ldisc->ops->receive_buf(tty, sel_buffer + pasted, - NULL, count); + count = tty_ldisc_receive_buf(ld, sel_buffer + pasted, NULL, + count); pasted += count; } remove_wait_queue(&vc->paste_wait, &wait); current->state = TASK_RUNNING; + + tty_buffer_unlock_exclusive(&vc->port); + tty_ldisc_deref(ld); + tty_kref_put(tty); +} + +static struct speakup_paste_work speakup_paste_work = { + .work = __WORK_INITIALIZER(speakup_paste_work.work, + __speakup_paste_selection) +}; + +int speakup_paste_selection(struct tty_struct *tty) +{ + if (cmpxchg(&speakup_paste_work.tty, NULL, tty) != NULL) + return -EBUSY; + + tty_kref_get(tty); + schedule_work_on(WORK_CPU_UNBOUND, &speakup_paste_work.work); return 0; } +void speakup_cancel_paste(void) +{ + cancel_work_sync(&speakup_paste_work.work); + tty_kref_put(speakup_paste_work.tty); +} diff --git a/drivers/staging/speakup/speakup.h b/drivers/staging/speakup/speakup.h index 0126f714821a..74fe72429b2d 100644 --- a/drivers/staging/speakup/speakup.h +++ b/drivers/staging/speakup/speakup.h @@ -77,6 +77,7 @@ extern void synth_buffer_clear(void); extern void speakup_clear_selection(void); extern int speakup_set_selection(struct tty_struct *tty); extern int speakup_paste_selection(struct tty_struct *tty); +extern void speakup_cancel_paste(void); extern void speakup_register_devsynth(void); extern void speakup_unregister_devsynth(void); extern void synth_write(const char *buf, size_t count); diff --git a/drivers/staging/tidspbridge/core/dsp-clock.c b/drivers/staging/tidspbridge/core/dsp-clock.c index 2f084e181d39..a1aca4416ca7 100644 --- a/drivers/staging/tidspbridge/core/dsp-clock.c +++ b/drivers/staging/tidspbridge/core/dsp-clock.c @@ -226,7 +226,7 @@ int dsp_clk_enable(enum dsp_clk_id clk_id) case GPT_CLK: status = omap_dm_timer_start(timer[clk_id - 1]); break; -#ifdef CONFIG_OMAP_MCBSP +#ifdef CONFIG_SND_OMAP_SOC_MCBSP case MCBSP_CLK: omap_mcbsp_request(MCBSP_ID(clk_id)); omap2_mcbsp_set_clks_src(MCBSP_ID(clk_id), MCBSP_CLKS_PAD_SRC); @@ -302,7 +302,7 @@ int dsp_clk_disable(enum dsp_clk_id clk_id) case GPT_CLK: status = omap_dm_timer_stop(timer[clk_id - 1]); break; -#ifdef CONFIG_OMAP_MCBSP +#ifdef CONFIG_SND_OMAP_SOC_MCBSP case MCBSP_CLK: omap2_mcbsp_set_clks_src(MCBSP_ID(clk_id), MCBSP_CLKS_PRCM_SRC); omap_mcbsp_free(MCBSP_ID(clk_id)); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 7e5469a80fe3..f329ad294fc0 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -460,6 +460,7 @@ int iscsit_del_np(struct iscsi_np *np) spin_lock_bh(&np->np_thread_lock); np->np_exports--; if (np->np_exports) { + np->enabled = true; spin_unlock_bh(&np->np_thread_lock); return 0; } @@ -1289,7 +1290,7 @@ iscsit_check_dataout_hdr(struct iscsi_conn *conn, unsigned char *buf, if (cmd->data_direction != DMA_TO_DEVICE) { pr_err("Command ITT: 0x%08x received DataOUT for a" " NON-WRITE command.\n", cmd->init_task_tag); - return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, buf); + return iscsit_dump_data_payload(conn, payload_length, 1); } se_cmd = &cmd->se_cmd; iscsit_mod_dataout_timer(cmd); @@ -1564,7 +1565,9 @@ int iscsit_process_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd, * Initiator is expecting a NopIN ping reply.. */ if (hdr->itt != RESERVED_ITT) { - BUG_ON(!cmd); + if (!cmd) + return iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR, + (unsigned char *)hdr); spin_lock_bh(&conn->cmd_lock); list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list); @@ -3358,7 +3361,9 @@ static bool iscsit_check_inaddr_any(struct iscsi_np *np) #define SENDTARGETS_BUF_LIMIT 32768U -static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) +static int +iscsit_build_sendtargets_response(struct iscsi_cmd *cmd, + enum iscsit_transport_type network_transport) { char *payload = NULL; struct iscsi_conn *conn = cmd->conn; @@ -3435,6 +3440,9 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) struct iscsi_np *np = tpg_np->tpg_np; bool inaddr_any = iscsit_check_inaddr_any(np); + if (np->np_network_transport != network_transport) + continue; + if (!target_name_printed) { len = sprintf(buf, "TargetName=%s", tiqn->tiqn); @@ -3488,11 +3496,12 @@ eob: int iscsit_build_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn, - struct iscsi_text_rsp *hdr) + struct iscsi_text_rsp *hdr, + enum iscsit_transport_type network_transport) { int text_length, padding; - text_length = iscsit_build_sendtargets_response(cmd); + text_length = iscsit_build_sendtargets_response(cmd, network_transport); if (text_length < 0) return text_length; @@ -3530,7 +3539,7 @@ static int iscsit_send_text_rsp( u32 tx_size = 0; int text_length, iov_count = 0, rc; - rc = iscsit_build_text_rsp(cmd, conn, hdr); + rc = iscsit_build_text_rsp(cmd, conn, hdr, ISCSI_TCP); if (rc < 0) return rc; @@ -4202,8 +4211,6 @@ int iscsit_close_connection( if (conn->conn_transport->iscsit_wait_conn) conn->conn_transport->iscsit_wait_conn(conn); - iscsit_free_queue_reqs_for_conn(conn); - /* * During Connection recovery drop unacknowledged out of order * commands for this connection, and prepare the other commands @@ -4220,6 +4227,7 @@ int iscsit_close_connection( iscsit_clear_ooo_cmdsns_for_conn(conn); iscsit_release_commands_from_conn(conn); } + iscsit_free_queue_reqs_for_conn(conn); /* * Handle decrementing session or connection usage count if diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c index de77d9aa22c6..6689de6c5591 100644 --- a/drivers/target/iscsi/iscsi_target_auth.c +++ b/drivers/target/iscsi/iscsi_target_auth.c @@ -314,6 +314,16 @@ static int chap_server_compute_md5( goto out; } /* + * During mutual authentication, the CHAP_C generated by the + * initiator must not match the original CHAP_C generated by + * the target. + */ + if (!memcmp(challenge_binhex, chap->challenge, CHAP_CHALLENGE_LENGTH)) { + pr_err("initiator CHAP_C matches target CHAP_C, failing" + " login attempt\n"); + goto out; + } + /* * Generate CHAP_N and CHAP_R for mutual authentication. */ tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC); diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 48f7b3bf4e8c..1d4a8c86551f 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -773,6 +773,7 @@ struct iscsi_np { int np_ip_proto; int np_sock_type; enum np_thread_state_table np_thread_state; + bool enabled; enum iscsi_timer_flags_table np_login_timer_flags; u32 np_exports; enum np_flags_table np_flags; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index e29279e6b577..d509aa74cfa1 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -249,6 +249,28 @@ static void iscsi_login_set_conn_values( mutex_unlock(&auth_id_lock); } +static __printf(2, 3) int iscsi_change_param_sprintf( + struct iscsi_conn *conn, + const char *fmt, ...) +{ + va_list args; + unsigned char buf[64]; + + memset(buf, 0, sizeof buf); + + va_start(args, fmt); + vsnprintf(buf, sizeof buf, fmt, args); + va_end(args); + + if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_NO_RESOURCES); + return -1; + } + + return 0; +} + /* * This is the leading connection of a new session, * or session reinstatement. @@ -337,7 +359,6 @@ static int iscsi_login_zero_tsih_s2( { struct iscsi_node_attrib *na; struct iscsi_session *sess = conn->sess; - unsigned char buf[32]; bool iser = false; sess->tpg = conn->tpg; @@ -378,26 +399,16 @@ static int iscsi_login_zero_tsih_s2( * * In our case, we have already located the struct iscsi_tiqn at this point. */ - memset(buf, 0, 32); - sprintf(buf, "TargetPortalGroupTag=%hu", sess->tpg->tpgt); - if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) { - iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, - ISCSI_LOGIN_STATUS_NO_RESOURCES); + if (iscsi_change_param_sprintf(conn, "TargetPortalGroupTag=%hu", sess->tpg->tpgt)) return -1; - } /* * Workaround for Initiators that have broken connection recovery logic. * * "We would really like to get rid of this." Linux-iSCSI.org team */ - memset(buf, 0, 32); - sprintf(buf, "ErrorRecoveryLevel=%d", na->default_erl); - if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) { - iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, - ISCSI_LOGIN_STATUS_NO_RESOURCES); + if (iscsi_change_param_sprintf(conn, "ErrorRecoveryLevel=%d", na->default_erl)) return -1; - } if (iscsi_login_disable_FIM_keys(conn->param_list, conn) < 0) return -1; @@ -409,12 +420,9 @@ static int iscsi_login_zero_tsih_s2( unsigned long mrdsl, off; int rc; - sprintf(buf, "RDMAExtensions=Yes"); - if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) { - iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, - ISCSI_LOGIN_STATUS_NO_RESOURCES); + if (iscsi_change_param_sprintf(conn, "RDMAExtensions=Yes")) return -1; - } + /* * Make MaxRecvDataSegmentLength PAGE_SIZE aligned for * Immediate Data + Unsolicitied Data-OUT if necessary.. @@ -444,12 +452,8 @@ static int iscsi_login_zero_tsih_s2( pr_warn("Aligning ISER MaxRecvDataSegmentLength: %lu down" " to PAGE_SIZE\n", mrdsl); - sprintf(buf, "MaxRecvDataSegmentLength=%lu\n", mrdsl); - if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) { - iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, - ISCSI_LOGIN_STATUS_NO_RESOURCES); + if (iscsi_change_param_sprintf(conn, "MaxRecvDataSegmentLength=%lu\n", mrdsl)) return -1; - } } return 0; @@ -591,13 +595,8 @@ static int iscsi_login_non_zero_tsih_s2( * * In our case, we have already located the struct iscsi_tiqn at this point. */ - memset(buf, 0, 32); - sprintf(buf, "TargetPortalGroupTag=%hu", sess->tpg->tpgt); - if (iscsi_change_param_value(buf, conn->param_list, 0) < 0) { - iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, - ISCSI_LOGIN_STATUS_NO_RESOURCES); + if (iscsi_change_param_sprintf(conn, "TargetPortalGroupTag=%hu", sess->tpg->tpgt)) return -1; - } return iscsi_login_disable_FIM_keys(conn->param_list, conn); } @@ -982,6 +981,7 @@ int iscsi_target_setup_login_socket( } np->np_transport = t; + np->enabled = true; return 0; } @@ -1196,7 +1196,7 @@ old_sess_out: static int __iscsi_target_login_thread(struct iscsi_np *np) { u8 *buffer, zero_tsih = 0; - int ret = 0, rc, stop; + int ret = 0, rc; struct iscsi_conn *conn = NULL; struct iscsi_login *login; struct iscsi_portal_group *tpg = NULL; @@ -1210,6 +1210,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; complete(&np->np_restart_comp); + } else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) { + spin_unlock_bh(&np->np_thread_lock); + goto exit; } else { np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; } @@ -1402,10 +1405,8 @@ old_sess_out: } out: - stop = kthread_should_stop(); - /* Wait for another socket.. */ - if (!stop) - return 1; + return 1; + exit: iscsi_stop_login_thread_timer(np); spin_lock_bh(&np->np_thread_lock); @@ -1422,7 +1423,7 @@ int iscsi_target_login_thread(void *arg) allow_signal(SIGINT); - while (!kthread_should_stop()) { + while (1) { ret = __iscsi_target_login_thread(np); /* * We break and exit here unless another sock_accept() call diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index 44a5471de00f..d875f7972325 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -184,6 +184,8 @@ static void iscsit_clear_tpg_np_login_thread( return; } + if (shutdown) + tpg_np->tpg_np->enabled = false; iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown); } diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index e655b042ed18..ab77f80ead2b 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -1295,6 +1295,8 @@ int iscsit_tx_login_rsp(struct iscsi_conn *conn, u8 status_class, u8 status_deta login->login_failed = 1; iscsit_collect_login_stats(conn, status_class, status_detail); + memset(&login->rsp[0], 0, ISCSI_HDR_LEN); + hdr = (struct iscsi_login_rsp *)&login->rsp[0]; hdr->opcode = ISCSI_OP_LOGIN_RSP; hdr->status_class = status_class; diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index c3d9df6aaf5f..f0f0cc0e5752 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -564,7 +564,16 @@ static inline int core_alua_state_standby( case REPORT_LUNS: case RECEIVE_DIAGNOSTIC: case SEND_DIAGNOSTIC: + case READ_CAPACITY: return 0; + case SERVICE_ACTION_IN: + switch (cdb[1] & 0x1f) { + case SAI_READ_CAPACITY_16: + return 0; + default: + *alua_ascq = ASCQ_04H_ALUA_TG_PT_STANDBY; + return 1; + } case MAINTENANCE_IN: switch (cdb[1] & 0x1f) { case MI_REPORT_TARGET_PGS: diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index f0e85b119692..483d324020a6 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -2223,6 +2223,11 @@ static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_access_state( " tg_pt_gp ID: %hu\n", tg_pt_gp->tg_pt_gp_valid_id); return -EINVAL; } + if (!(dev->dev_flags & DF_CONFIGURED)) { + pr_err("Unable to set alua_access_state while device is" + " not configured\n"); + return -ENODEV; + } ret = kstrtoul(page, 0, &tmp); if (ret < 0) { diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 65001e133670..6ea95d216eb8 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -616,6 +616,7 @@ void core_dev_unexport( dev->export_count--; spin_unlock(&hba->device_lock); + lun->lun_sep = NULL; lun->lun_se_dev = NULL; } @@ -798,10 +799,10 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag) pr_err("emulate_write_cache not supported for pSCSI\n"); return -EINVAL; } - if (dev->transport->get_write_cache) { - pr_warn("emulate_write_cache cannot be changed when underlying" - " HW reports WriteCacheEnabled, ignoring request\n"); - return 0; + if (flag && + dev->transport->get_write_cache) { + pr_err("emulate_write_cache not supported for this device\n"); + return -EINVAL; } dev->dev_attrib.emulate_write_cache = flag; @@ -936,6 +937,10 @@ int se_dev_set_pi_prot_type(struct se_device *dev, int flag) return 0; } if (!dev->transport->init_prot || !dev->transport->free_prot) { + /* 0 is only allowed value for non-supporting backends */ + if (flag == 0) + return 0; + pr_err("DIF protection not supported by backend: %s\n", dev->transport->name); return -ENOSYS; diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index b920db3388cd..7b331b95a3ef 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -158,7 +158,7 @@ static int rd_allocate_sgl_table(struct rd_dev *rd_dev, struct rd_dev_sg_table * - 1; for (j = 0; j < sg_per_table; j++) { - pg = alloc_pages(GFP_KERNEL, 0); + pg = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0); if (!pg) { pr_err("Unable to allocate scatterlist" " pages for struct rd_dev_sg_table\n"); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index aa064a7bb446..379033f5903b 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -81,7 +81,7 @@ sbc_emulate_readcapacity(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); } - target_complete_cmd(cmd, GOOD); + target_complete_cmd_with_length(cmd, GOOD, 8); return 0; } @@ -134,7 +134,7 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) transport_kunmap_data_sg(cmd); } - target_complete_cmd(cmd, GOOD); + target_complete_cmd_with_length(cmd, GOOD, 32); return 0; } diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 3bebc71ea033..fcdf98fc947c 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -714,6 +714,7 @@ spc_emulate_inquiry(struct se_cmd *cmd) unsigned char *buf; sense_reason_t ret; int p; + int len = 0; buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL); if (!buf) { @@ -735,6 +736,7 @@ spc_emulate_inquiry(struct se_cmd *cmd) } ret = spc_emulate_inquiry_std(cmd, buf); + len = buf[4] + 5; goto out; } @@ -742,6 +744,7 @@ spc_emulate_inquiry(struct se_cmd *cmd) if (cdb[2] == evpd_handlers[p].page) { buf[1] = cdb[2]; ret = evpd_handlers[p].emulate(cmd, buf); + len = get_unaligned_be16(&buf[2]) + 4; goto out; } } @@ -758,7 +761,7 @@ out: kfree(buf); if (!ret) - target_complete_cmd(cmd, GOOD); + target_complete_cmd_with_length(cmd, GOOD, len); return ret; } @@ -1089,7 +1092,7 @@ set_length: transport_kunmap_data_sg(cmd); } - target_complete_cmd(cmd, GOOD); + target_complete_cmd_with_length(cmd, GOOD, length); return 0; } @@ -1266,7 +1269,7 @@ done: buf[3] = (lun_count & 0xff); transport_kunmap_data_sg(cmd); - target_complete_cmd(cmd, GOOD); + target_complete_cmd_with_length(cmd, GOOD, 8 + lun_count * 8); return 0; } EXPORT_SYMBOL(spc_emulate_report_luns); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 2956250b7225..24f527977ddb 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -560,7 +560,7 @@ static int transport_cmd_check_stop(struct se_cmd *cmd, bool remove_from_lists, spin_unlock_irqrestore(&cmd->t_state_lock, flags); - complete(&cmd->t_transport_stop_comp); + complete_all(&cmd->t_transport_stop_comp); return 1; } @@ -676,7 +676,7 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) if (cmd->transport_state & CMD_T_ABORTED && cmd->transport_state & CMD_T_STOP) { spin_unlock_irqrestore(&cmd->t_state_lock, flags); - complete(&cmd->t_transport_stop_comp); + complete_all(&cmd->t_transport_stop_comp); return; } else if (!success) { INIT_WORK(&cmd->work, target_complete_failure_work); @@ -692,6 +692,23 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) } EXPORT_SYMBOL(target_complete_cmd); +void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int length) +{ + if (scsi_status == SAM_STAT_GOOD && length < cmd->data_length) { + if (cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) { + cmd->residual_count += cmd->data_length - length; + } else { + cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT; + cmd->residual_count = cmd->data_length - length; + } + + cmd->data_length = length; + } + + target_complete_cmd(cmd, scsi_status); +} +EXPORT_SYMBOL(target_complete_cmd_with_length); + static void target_add_to_state_list(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; @@ -1102,6 +1119,7 @@ void transport_init_se_cmd( init_completion(&cmd->cmd_wait_comp); init_completion(&cmd->task_stop_comp); spin_lock_init(&cmd->t_state_lock); + kref_init(&cmd->cmd_kref); cmd->transport_state = CMD_T_DEV_ACTIVE; cmd->se_tfo = tfo; @@ -1747,7 +1765,7 @@ void target_execute_cmd(struct se_cmd *cmd) cmd->se_tfo->get_task_tag(cmd)); spin_unlock_irq(&cmd->t_state_lock); - complete(&cmd->t_transport_stop_comp); + complete_all(&cmd->t_transport_stop_comp); return; } @@ -2292,7 +2310,6 @@ int target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd, unsigned long flags; int ret = 0; - kref_init(&se_cmd->cmd_kref); /* * Add a second kref if the fabric caller is expecting to handle * fabric acknowledgement that requires two target_put_sess_cmd() @@ -2342,6 +2359,10 @@ static void target_release_cmd_kref(struct kref *kref) */ int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd) { + if (!se_sess) { + se_cmd->se_tfo->release_cmd(se_cmd); + return 1; + } return kref_put_spinlock_irqsave(&se_cmd->cmd_kref, target_release_cmd_kref, &se_sess->sess_cmd_lock); } @@ -2864,6 +2885,12 @@ static void target_tmr_work(struct work_struct *work) int transport_generic_handle_tmr( struct se_cmd *cmd) { + unsigned long flags; + + spin_lock_irqsave(&cmd->t_state_lock, flags); + cmd->transport_state |= CMD_T_ACTIVE; + spin_unlock_irqrestore(&cmd->t_state_lock, flags); + INIT_WORK(&cmd->work, target_tmr_work); queue_work(cmd->se_dev->tmr_wq, &cmd->work); return 0; diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 8b2c1aaf81de..d22cdc77e9d4 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -90,18 +90,18 @@ static void ft_free_cmd(struct ft_cmd *cmd) { struct fc_frame *fp; struct fc_lport *lport; - struct se_session *se_sess; + struct ft_sess *sess; if (!cmd) return; - se_sess = cmd->sess->se_sess; + sess = cmd->sess; fp = cmd->req_frame; lport = fr_dev(fp); if (fr_seq(fp)) lport->tt.seq_release(fr_seq(fp)); fc_frame_free(fp); - percpu_ida_free(&se_sess->sess_tag_pool, cmd->se_cmd.map_tag); - ft_sess_put(cmd->sess); /* undo get from lookup at recv */ + percpu_ida_free(&sess->se_sess->sess_tag_pool, cmd->se_cmd.map_tag); + ft_sess_put(sess); /* undo get from lookup at recv */ } void ft_release_cmd(struct se_cmd *se_cmd) diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 94f9e3a38412..0ff7fda0742f 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -190,7 +190,7 @@ static struct tty_driver *hvc_console_device(struct console *c, int *index) return hvc_driver; } -static int __init hvc_console_setup(struct console *co, char *options) +static int hvc_console_setup(struct console *co, char *options) { if (co->index < 0 || co->index >= MAX_NR_HVC_CONSOLES) return -ENODEV; diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index d15624c1b751..28ac3f3b7ec3 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1214,15 +1214,16 @@ static void n_tty_receive_parity_error(struct tty_struct *tty, unsigned char c) { struct n_tty_data *ldata = tty->disc_data; - if (I_IGNPAR(tty)) - return; - if (I_PARMRK(tty)) { - put_tty_queue('\377', ldata); - put_tty_queue('\0', ldata); - put_tty_queue(c, ldata); - } else if (I_INPCK(tty)) - put_tty_queue('\0', ldata); - else + if (I_INPCK(tty)) { + if (I_IGNPAR(tty)) + return; + if (I_PARMRK(tty)) { + put_tty_queue('\377', ldata); + put_tty_queue('\0', ldata); + put_tty_queue(c, ldata); + } else + put_tty_queue('\0', ldata); + } else put_tty_queue(c, ldata); if (waitqueue_active(&tty->read_wait)) wake_up_interruptible(&tty->read_wait); @@ -2356,8 +2357,12 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file, if (tty->ops->flush_chars) tty->ops->flush_chars(tty); } else { + struct n_tty_data *ldata = tty->disc_data; + while (nr > 0) { + mutex_lock(&ldata->output_lock); c = tty->ops->write(tty, b, nr); + mutex_unlock(&ldata->output_lock); if (c < 0) { retval = c; goto break_out; diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 69932b7556cf..612dfc720738 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -555,7 +555,7 @@ static void serial8250_set_sleep(struct uart_8250_port *p, int sleep) */ if ((p->port.type == PORT_XR17V35X) || (p->port.type == PORT_XR17D15X)) { - serial_out(p, UART_EXAR_SLEEP, 0xff); + serial_out(p, UART_EXAR_SLEEP, sleep ? 0xff : 0); return; } @@ -1520,7 +1520,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir) status = serial8250_rx_chars(up, status); } serial8250_modem_status(up); - if (status & UART_LSR_THRE) + if (!up->dma && (status & UART_LSR_THRE)) serial8250_tx_chars(up); spin_unlock_irqrestore(&port->lock, flags); @@ -2356,7 +2356,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) port->read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index 7046769608d4..ab9096dc3849 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -20,12 +20,15 @@ static void __dma_tx_complete(void *param) struct uart_8250_port *p = param; struct uart_8250_dma *dma = p->dma; struct circ_buf *xmit = &p->port.state->xmit; - - dma->tx_running = 0; + unsigned long flags; dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr, UART_XMIT_SIZE, DMA_TO_DEVICE); + spin_lock_irqsave(&p->port.lock, flags); + + dma->tx_running = 0; + xmit->tail += dma->tx_size; xmit->tail &= UART_XMIT_SIZE - 1; p->port.icount.tx += dma->tx_size; @@ -35,6 +38,8 @@ static void __dma_tx_complete(void *param) if (!uart_circ_empty(xmit) && !uart_tx_stopped(&p->port)) serial8250_tx_dma(p); + + spin_unlock_irqrestore(&p->port.lock, flags); } static void __dma_rx_complete(void *param) diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 501667e3e3f5..323376668b72 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -185,6 +185,12 @@ static void altera_uart_set_termios(struct uart_port *port, uart_update_timeout(port, termios->c_cflag, baud); altera_uart_writel(port, baudclk, ALTERA_UART_DIVISOR_REG); spin_unlock_irqrestore(&port->lock, flags); + + /* + * FIXME: port->read_status_mask and port->ignore_status_mask + * need to be initialized based on termios settings for + * INPCK, IGNBRK, IGNPAR, PARMRK, BRKINT + */ } static void altera_uart_rx_chars(struct altera_uart *pp) diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index 01c9e72433e1..971af1e22d0f 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -420,7 +420,7 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios, uap->port.read_status_mask = UART01x_RSR_OE; if (termios->c_iflag & INPCK) uap->port.read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uap->port.read_status_mask |= UART01x_RSR_BE; /* diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index d58783d364e3..b569011ac713 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1744,7 +1744,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = UART011_DR_OE | 255; if (termios->c_iflag & INPCK) port->read_status_mask |= UART011_DR_FE | UART011_DR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART011_DR_BE; /* diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index a49f10d269b2..ce352b81e230 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1811,7 +1811,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = ATMEL_US_OVRE; if (termios->c_iflag & INPCK) port->read_status_mask |= (ATMEL_US_FRAME | ATMEL_US_PARE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= ATMEL_US_RXBRK; if (atmel_use_pdc_rx(port)) diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c index 78e82b017b92..e0b87d507670 100644 --- a/drivers/tty/serial/bcm63xx_uart.c +++ b/drivers/tty/serial/bcm63xx_uart.c @@ -565,7 +565,7 @@ static void bcm_uart_set_termios(struct uart_port *port, port->read_status_mask |= UART_FIFO_FRAMEERR_MASK; port->read_status_mask |= UART_FIFO_PARERR_MASK; } - if (new->c_iflag & (BRKINT)) + if (new->c_iflag & (IGNBRK | BRKINT)) port->read_status_mask |= UART_FIFO_BRKDET_MASK; port->ignore_status_mask = 0; diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index 869ceba2ec57..ac86a20992e9 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -833,7 +833,7 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = OE; if (termios->c_iflag & INPCK) port->read_status_mask |= (FE | PE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= BI; /* diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c index 2f2b2e538a54..cdbbc788230a 100644 --- a/drivers/tty/serial/dz.c +++ b/drivers/tty/serial/dz.c @@ -625,7 +625,7 @@ static void dz_set_termios(struct uart_port *uport, struct ktermios *termios, dport->port.read_status_mask = DZ_OERR; if (termios->c_iflag & INPCK) dport->port.read_status_mask |= DZ_FERR | DZ_PERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) dport->port.read_status_mask |= DZ_BREAK; /* characters to ignore */ diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index 0eb5b5673ede..948f17b6b497 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -407,7 +407,7 @@ static void efm32_uart_set_termios(struct uart_port *port, if (new->c_iflag & INPCK) port->read_status_mask |= UARTn_RXDATAX_FERR | UARTn_RXDATAX_PERR; - if (new->c_iflag & (BRKINT | PARMRK)) + if (new->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= SW_UARTn_RXDATAX_BERR; port->ignore_status_mask = 0; diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 8978dc9a58b7..175f123f4f09 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -496,7 +496,7 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios, sport->port.read_status_mask = 0; if (termios->c_iflag & INPCK) sport->port.read_status_mask |= (UARTSR1_FE | UARTSR1_PE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) sport->port.read_status_mask |= UARTSR1_FE; /* characters to ignore */ diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c index 1d9420548e16..1efd4c36ba0c 100644 --- a/drivers/tty/serial/ip22zilog.c +++ b/drivers/tty/serial/ip22zilog.c @@ -850,7 +850,7 @@ ip22zilog_convert_to_zs(struct uart_ip22zilog_port *up, unsigned int cflag, up->port.read_status_mask = Rx_OVR; if (iflag & INPCK) up->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= BRK_ABRT; up->port.ignore_status_mask = 0; diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c index 9cd9b4eba9fc..68f2c53e0b54 100644 --- a/drivers/tty/serial/m32r_sio.c +++ b/drivers/tty/serial/m32r_sio.c @@ -737,7 +737,7 @@ static void m32r_sio_set_termios(struct uart_port *port, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 8d71e4047bb3..558af637cd0c 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -842,7 +842,7 @@ static void max310x_set_termios(struct uart_port *port, if (termios->c_iflag & INPCK) port->read_status_mask |= MAX310X_LSR_RXPAR_BIT | MAX310X_LSR_FRERR_BIT; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= MAX310X_LSR_RXBRK_BIT; /* Set status ignore mask */ diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c index 0edfaf8cd269..a6f085717f94 100644 --- a/drivers/tty/serial/mcf.c +++ b/drivers/tty/serial/mcf.c @@ -248,6 +248,12 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, mr1 |= MCFUART_MR1_PARITYNONE; } + /* + * FIXME: port->read_status_mask and port->ignore_status_mask + * need to be initialized based on termios settings for + * INPCK, IGNBRK, IGNPAR, PARMRK, BRKINT + */ + if (termios->c_cflag & CSTOPB) mr2 |= MCFUART_MR2_STOP2; else diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c index 52c930fac210..445799dc9846 100644 --- a/drivers/tty/serial/mfd.c +++ b/drivers/tty/serial/mfd.c @@ -977,7 +977,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* Characters to ignore */ diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c index e30a3ca3cea3..759c6a6fa74a 100644 --- a/drivers/tty/serial/mpsc.c +++ b/drivers/tty/serial/mpsc.c @@ -1458,7 +1458,7 @@ static void mpsc_set_termios(struct uart_port *port, struct ktermios *termios, pi->port.read_status_mask |= SDMA_DESC_CMDSTAT_PE | SDMA_DESC_CMDSTAT_FR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) pi->port.read_status_mask |= SDMA_DESC_CMDSTAT_BR; /* Characters/events to ignore */ diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index b5d779cd3c2b..c0f2b3e5452f 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -570,7 +570,7 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios, port->read_status_mask = 0; if (termios->c_iflag & INPCK) port->read_status_mask |= UART_SR_PAR_FRAME_ERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART_SR_RX_BREAK; uart_update_timeout(port, termios->c_cflag, baud); diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index aa97fd845b4d..d98f1d4a9bd3 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -604,7 +604,7 @@ static void mxs_auart_settermios(struct uart_port *u, if (termios->c_iflag & INPCK) u->read_status_mask |= AUART_STAT_PERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) u->read_status_mask |= AUART_STAT_BERR; /* diff --git a/drivers/tty/serial/netx-serial.c b/drivers/tty/serial/netx-serial.c index 0a4dd70d29eb..7a6745601d4e 100644 --- a/drivers/tty/serial/netx-serial.c +++ b/drivers/tty/serial/netx-serial.c @@ -419,7 +419,7 @@ netx_set_termios(struct uart_port *port, struct ktermios *termios, } port->read_status_mask = 0; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= SR_BE; if (termios->c_iflag & INPCK) port->read_status_mask |= SR_PE | SR_FE; diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 77f035158d6c..db8434d3def9 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -225,14 +225,19 @@ static inline void serial_omap_enable_wakeirq(struct uart_omap_port *up, if (enable) enable_irq(up->wakeirq); else - disable_irq(up->wakeirq); + disable_irq_nosync(up->wakeirq); } static void serial_omap_enable_wakeup(struct uart_omap_port *up, bool enable) { struct omap_uart_port_info *pdata = dev_get_platdata(up->dev); + if (enable == up->wakeups_enabled) + return; + serial_omap_enable_wakeirq(up, enable); + up->wakeups_enabled = enable; + if (!pdata || !pdata->enable_wakeup) return; @@ -1488,6 +1493,11 @@ static int serial_omap_suspend(struct device *dev) uart_suspend_port(&serial_omap_reg, &up->port); flush_work(&up->qos_work); + if (device_may_wakeup(dev)) + serial_omap_enable_wakeup(up, true); + else + serial_omap_enable_wakeup(up, false); + return 0; } @@ -1495,6 +1505,9 @@ static int serial_omap_resume(struct device *dev) { struct uart_omap_port *up = dev_get_drvdata(dev); + if (device_may_wakeup(dev)) + serial_omap_enable_wakeup(up, false); + uart_resume_port(&serial_omap_reg, &up->port); return 0; @@ -1870,17 +1883,7 @@ static int serial_omap_runtime_suspend(struct device *dev) up->context_loss_cnt = serial_omap_get_context_loss_count(up); - if (device_may_wakeup(dev)) { - if (!up->wakeups_enabled) { - serial_omap_enable_wakeup(up, true); - up->wakeups_enabled = true; - } - } else { - if (up->wakeups_enabled) { - serial_omap_enable_wakeup(up, false); - up->wakeups_enabled = false; - } - } + serial_omap_enable_wakeup(up, true); up->latency = PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE; schedule_work(&up->qos_work); @@ -1894,6 +1897,8 @@ static int serial_omap_runtime_resume(struct device *dev) int loss_cnt = serial_omap_get_context_loss_count(up); + serial_omap_enable_wakeup(up, false); + if (loss_cnt < 0) { dev_dbg(dev, "serial_omap_get_context_loss_count failed : %d\n", loss_cnt); diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index e9d420ff3931..8193635103ee 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1092,7 +1092,7 @@ static void pmz_convert_to_zs(struct uart_pmac_port *uap, unsigned int cflag, uap->port.read_status_mask = Rx_OVR; if (iflag & INPCK) uap->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) uap->port.read_status_mask |= BRK_ABRT; uap->port.ignore_status_mask = 0; diff --git a/drivers/tty/serial/pnx8xxx_uart.c b/drivers/tty/serial/pnx8xxx_uart.c index de6c05c63683..2ba24a45c97f 100644 --- a/drivers/tty/serial/pnx8xxx_uart.c +++ b/drivers/tty/serial/pnx8xxx_uart.c @@ -477,7 +477,7 @@ pnx8xxx_set_termios(struct uart_port *port, struct ktermios *termios, sport->port.read_status_mask |= FIFO_TO_SM(PNX8XXX_UART_FIFO_RXFE) | FIFO_TO_SM(PNX8XXX_UART_FIFO_RXPAR); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) sport->port.read_status_mask |= ISTAT_TO_SM(PNX8XXX_UART_INT_BREAK); diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c index f9f20f383760..fc3f308cd6c1 100644 --- a/drivers/tty/serial/pxa.c +++ b/drivers/tty/serial/pxa.c @@ -492,7 +492,7 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (termios->c_iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/sb1250-duart.c b/drivers/tty/serial/sb1250-duart.c index a7cdec2962dd..771f361c47ea 100644 --- a/drivers/tty/serial/sb1250-duart.c +++ b/drivers/tty/serial/sb1250-duart.c @@ -596,7 +596,7 @@ static void sbd_set_termios(struct uart_port *uport, struct ktermios *termios, if (termios->c_iflag & INPCK) uport->read_status_mask |= M_DUART_FRM_ERR | M_DUART_PARITY_ERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uport->read_status_mask |= M_DUART_RCVD_BRK; uport->ignore_status_mask = 0; diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c index a447f71538ef..75ea83278ba4 100644 --- a/drivers/tty/serial/sccnxp.c +++ b/drivers/tty/serial/sccnxp.c @@ -667,7 +667,7 @@ static void sccnxp_set_termios(struct uart_port *port, port->read_status_mask = SR_OVR; if (termios->c_iflag & INPCK) port->read_status_mask |= SR_PE | SR_FE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= SR_BRK; /* Set status ignore mask */ diff --git a/drivers/tty/serial/serial_ks8695.c b/drivers/tty/serial/serial_ks8695.c index e1caa99e3d3b..5c79bdab985d 100644 --- a/drivers/tty/serial/serial_ks8695.c +++ b/drivers/tty/serial/serial_ks8695.c @@ -437,7 +437,7 @@ static void ks8695uart_set_termios(struct uart_port *port, struct ktermios *term port->read_status_mask = URLS_URROE; if (termios->c_iflag & INPCK) port->read_status_mask |= (URLS_URFE | URLS_URPE); - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= URLS_URBI; /* diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index 90a080b1f9ee..cbf501da5df3 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -702,7 +702,7 @@ serial_txx9_set_termios(struct uart_port *port, struct ktermios *termios, TXX9_SIDISR_TDIS | TXX9_SIDISR_RDIS; if (termios->c_iflag & INPCK) up->port.read_status_mask |= TXX9_SIDISR_UFER | TXX9_SIDISR_UPER; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= TXX9_SIDISR_UBRK; /* diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c index b7bfe24d4ebc..020fe220d0e9 100644 --- a/drivers/tty/serial/sirfsoc_uart.c +++ b/drivers/tty/serial/sirfsoc_uart.c @@ -908,7 +908,7 @@ static void sirfsoc_uart_set_termios(struct uart_port *port, if (termios->c_iflag & INPCK) port->read_status_mask |= uint_en->sirfsoc_frm_err_en; } - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= uint_en->sirfsoc_rxd_brk_en; if (sirfport->uart_reg->uart_type == SIRF_REAL_UART) { if (termios->c_iflag & IGNPAR) diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index 21e6e84c0df8..0ee31755cb5a 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -547,7 +547,7 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios, ascport->port.read_status_mask = ASC_RXBUF_DUMMY_OE; if (termios->c_iflag & INPCK) ascport->port.read_status_mask |= ASC_RXBUF_FE | ASC_RXBUF_PE; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) ascport->port.read_status_mask |= ASC_RXBUF_DUMMY_BE; /* diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index 5faa8e905e98..80a58eca785b 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c @@ -719,7 +719,7 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla if (iflag & INPCK) up->port.read_status_mask |= (SAB82532_ISR0_PERR | SAB82532_ISR0_FERR); - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= (SAB82532_ISR1_BRK << 8); /* diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c index 9a0f24f83720..5326ae195e5f 100644 --- a/drivers/tty/serial/sunsu.c +++ b/drivers/tty/serial/sunsu.c @@ -834,7 +834,7 @@ sunsu_change_speed(struct uart_port *port, unsigned int cflag, up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; if (iflag & INPCK) up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= UART_LSR_BI; /* diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index a2c40ed287d2..a85db8b87156 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -915,7 +915,7 @@ sunzilog_convert_to_zs(struct uart_sunzilog_port *up, unsigned int cflag, up->port.read_status_mask = Rx_OVR; if (iflag & INPCK) up->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= BRK_ABRT; up->port.ignore_status_mask = 0; diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index d569ca58bab6..1c52074c38df 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -936,7 +936,7 @@ static void qe_uart_set_termios(struct uart_port *port, port->read_status_mask = BD_SC_EMPTY | BD_SC_OV; if (termios->c_iflag & INPCK) port->read_status_mask |= BD_SC_FR | BD_SC_PR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= BD_SC_BR; /* diff --git a/drivers/tty/serial/vr41xx_siu.c b/drivers/tty/serial/vr41xx_siu.c index a63c14bc9a24..db0c8a4ab03e 100644 --- a/drivers/tty/serial/vr41xx_siu.c +++ b/drivers/tty/serial/vr41xx_siu.c @@ -559,7 +559,7 @@ static void siu_set_termios(struct uart_port *port, struct ktermios *new, port->read_status_mask = UART_LSR_THRE | UART_LSR_OE | UART_LSR_DR; if (c_iflag & INPCK) port->read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (c_iflag & (BRKINT | PARMRK)) + if (c_iflag & (IGNBRK | BRKINT | PARMRK)) port->read_status_mask |= UART_LSR_BI; port->ignore_status_mask = 0; diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c index 6a169877109b..2b65bb7ffb8a 100644 --- a/drivers/tty/serial/zs.c +++ b/drivers/tty/serial/zs.c @@ -923,7 +923,7 @@ static void zs_set_termios(struct uart_port *uport, struct ktermios *termios, uport->read_status_mask = Rx_OVR; if (termios->c_iflag & INPCK) uport->read_status_mask |= FRM_ERR | PAR_ERR; - if (termios->c_iflag & (BRKINT | PARMRK)) + if (termios->c_iflag & (IGNBRK | BRKINT | PARMRK)) uport->read_status_mask |= Rx_BRK; uport->ignore_status_mask = 0; diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 8ebd9f88a6f6..143deb62467d 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -60,6 +60,7 @@ void tty_buffer_lock_exclusive(struct tty_port *port) atomic_inc(&buf->priority); mutex_lock(&buf->lock); } +EXPORT_SYMBOL_GPL(tty_buffer_lock_exclusive); void tty_buffer_unlock_exclusive(struct tty_port *port) { @@ -73,6 +74,7 @@ void tty_buffer_unlock_exclusive(struct tty_port *port) if (restart) queue_work(system_unbound_wq, &buf->work); } +EXPORT_SYMBOL_GPL(tty_buffer_unlock_exclusive); /** * tty_buffer_space_avail - return unused buffer space @@ -258,7 +260,11 @@ static int __tty_buffer_request_room(struct tty_port *port, size_t size, n->flags = flags; buf->tail = n; b->commit = b->used; - smp_mb(); + /* paired w/ barrier in flush_to_ldisc(); ensures the + * latest commit value can be read before the head is + * advanced to the next buffer + */ + smp_wmb(); b->next = n; } else if (change) size = 0; @@ -444,17 +450,24 @@ static void flush_to_ldisc(struct work_struct *work) while (1) { struct tty_buffer *head = buf->head; + struct tty_buffer *next; int count; /* Ldisc or user is trying to gain exclusive access */ if (atomic_read(&buf->priority)) break; + next = head->next; + /* paired w/ barrier in __tty_buffer_request_room(); + * ensures commit value read is not stale if the head + * is advancing to the next buffer + */ + smp_rmb(); count = head->commit - head->read; if (!count) { - if (head->next == NULL) + if (next == NULL) break; - buf->head = head->next; + buf->head = next; tty_buffer_free(port, head); continue; } diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 4ab2cb62dfce..3314516018c6 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1326,6 +1326,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req); unsigned long flags; + struct td_node *node, *tmpnode; if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY || hwep->ep.desc == NULL || list_empty(&hwreq->queue) || @@ -1336,6 +1337,12 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) hw_ep_flush(hwep->ci, hwep->num, hwep->dir); + list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) { + dma_pool_free(hwep->td_pool, node->ptr, node->dma); + list_del(&node->td); + kfree(node); + } + /* pop request */ list_del_init(&hwreq->queue); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 900f7ff805ee..eabccd45f4e8 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -122,13 +122,23 @@ static void acm_release_minor(struct acm *acm) static int acm_ctrl_msg(struct acm *acm, int request, int value, void *buf, int len) { - int retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0), + int retval; + + retval = usb_autopm_get_interface(acm->control); + if (retval) + return retval; + + retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0), request, USB_RT_ACM, value, acm->control->altsetting[0].desc.bInterfaceNumber, buf, len, 5000); + dev_dbg(&acm->control->dev, "%s - rq 0x%02x, val %#x, len %#x, result %d\n", __func__, request, value, len, retval); + + usb_autopm_put_interface(acm->control); + return retval < 0 ? retval : 0; } @@ -496,6 +506,7 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) { struct acm *acm = container_of(port, struct acm, port); int retval = -ENODEV; + int i; dev_dbg(&acm->control->dev, "%s\n", __func__); @@ -544,6 +555,8 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) return 0; error_submit_read_urbs: + for (i = 0; i < acm->rx_buflimit; i++) + usb_kill_urb(acm->read_urbs[i]); acm->ctrlout = 0; acm_set_control(acm, acm->ctrlout); error_set_control: @@ -571,21 +584,35 @@ static void acm_port_destruct(struct tty_port *port) static void acm_port_shutdown(struct tty_port *port) { struct acm *acm = container_of(port, struct acm, port); + struct urb *urb; + struct acm_wb *wb; int i; + int pm_err; dev_dbg(&acm->control->dev, "%s\n", __func__); mutex_lock(&acm->mutex); if (!acm->disconnected) { - usb_autopm_get_interface(acm->control); + pm_err = usb_autopm_get_interface(acm->control); acm_set_control(acm, acm->ctrlout = 0); + + for (;;) { + urb = usb_get_from_anchor(&acm->delayed); + if (!urb) + break; + wb = urb->context; + wb->use = 0; + usb_autopm_put_interface_async(acm->control); + } + usb_kill_urb(acm->ctrlurb); for (i = 0; i < ACM_NW; i++) usb_kill_urb(acm->wb[i].urb); for (i = 0; i < acm->rx_buflimit; i++) usb_kill_urb(acm->read_urbs[i]); acm->control->needs_remote_wakeup = 0; - usb_autopm_put_interface(acm->control); + if (!pm_err) + usb_autopm_put_interface(acm->control); } mutex_unlock(&acm->mutex); } @@ -644,14 +671,17 @@ static int acm_tty_write(struct tty_struct *tty, memcpy(wb->buf, buf, count); wb->len = count; - usb_autopm_get_interface_async(acm->control); + stat = usb_autopm_get_interface_async(acm->control); + if (stat) { + wb->use = 0; + spin_unlock_irqrestore(&acm->write_lock, flags); + return stat; + } + if (acm->susp_count) { - if (!acm->delayed_wb) - acm->delayed_wb = wb; - else - usb_autopm_put_interface_async(acm->control); + usb_anchor_urb(wb->urb, &acm->delayed); spin_unlock_irqrestore(&acm->write_lock, flags); - return count; /* A white lie */ + return count; } usb_mark_last_busy(acm->dev); @@ -1267,6 +1297,7 @@ made_compressed_probe: acm->bInterval = epread->bInterval; tty_port_init(&acm->port); acm->port.ops = &acm_port_ops; + init_usb_anchor(&acm->delayed); buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma); if (!buf) { @@ -1512,18 +1543,15 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message) struct acm *acm = usb_get_intfdata(intf); int cnt; + spin_lock_irq(&acm->read_lock); + spin_lock(&acm->write_lock); if (PMSG_IS_AUTO(message)) { - int b; - - spin_lock_irq(&acm->write_lock); - b = acm->transmitting; - spin_unlock_irq(&acm->write_lock); - if (b) + if (acm->transmitting) { + spin_unlock(&acm->write_lock); + spin_unlock_irq(&acm->read_lock); return -EBUSY; + } } - - spin_lock_irq(&acm->read_lock); - spin_lock(&acm->write_lock); cnt = acm->susp_count++; spin_unlock(&acm->write_lock); spin_unlock_irq(&acm->read_lock); @@ -1531,8 +1559,7 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message) if (cnt) return 0; - if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) - stop_data_traffic(acm); + stop_data_traffic(acm); return 0; } @@ -1540,29 +1567,24 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message) static int acm_resume(struct usb_interface *intf) { struct acm *acm = usb_get_intfdata(intf); - struct acm_wb *wb; + struct urb *urb; int rv = 0; - int cnt; spin_lock_irq(&acm->read_lock); - acm->susp_count -= 1; - cnt = acm->susp_count; - spin_unlock_irq(&acm->read_lock); + spin_lock(&acm->write_lock); - if (cnt) - return 0; + if (--acm->susp_count) + goto out; if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) { - rv = usb_submit_urb(acm->ctrlurb, GFP_NOIO); - - spin_lock_irq(&acm->write_lock); - if (acm->delayed_wb) { - wb = acm->delayed_wb; - acm->delayed_wb = NULL; - spin_unlock_irq(&acm->write_lock); - acm_start_wb(acm, wb); - } else { - spin_unlock_irq(&acm->write_lock); + rv = usb_submit_urb(acm->ctrlurb, GFP_ATOMIC); + + for (;;) { + urb = usb_get_from_anchor(&acm->delayed); + if (!urb) + break; + + acm_start_wb(acm, urb->context); } /* @@ -1570,12 +1592,14 @@ static int acm_resume(struct usb_interface *intf) * do the write path at all cost */ if (rv < 0) - goto err_out; + goto out; - rv = acm_submit_read_urbs(acm, GFP_NOIO); + rv = acm_submit_read_urbs(acm, GFP_ATOMIC); } +out: + spin_unlock(&acm->write_lock); + spin_unlock_irq(&acm->read_lock); -err_out: return rv; } @@ -1652,13 +1676,27 @@ static const struct usb_device_id acm_ids[] = { }, /* Motorola H24 HSPA module: */ { USB_DEVICE(0x22b8, 0x2d91) }, /* modem */ - { USB_DEVICE(0x22b8, 0x2d92) }, /* modem + diagnostics */ - { USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port */ - { USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics */ - { USB_DEVICE(0x22b8, 0x2d96) }, /* modem + NMEA */ - { USB_DEVICE(0x22b8, 0x2d97) }, /* modem + diagnostics + NMEA */ - { USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port + NMEA */ - { USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */ + { USB_DEVICE(0x22b8, 0x2d92), /* modem + diagnostics */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, + { USB_DEVICE(0x22b8, 0x2d93), /* modem + AT port */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, + { USB_DEVICE(0x22b8, 0x2d95), /* modem + AT port + diagnostics */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, + { USB_DEVICE(0x22b8, 0x2d96), /* modem + NMEA */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, + { USB_DEVICE(0x22b8, 0x2d97), /* modem + diagnostics + NMEA */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, + { USB_DEVICE(0x22b8, 0x2d99), /* modem + AT port + NMEA */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, + { USB_DEVICE(0x22b8, 0x2d9a), /* modem + AT port + diagnostics + NMEA */ + .driver_info = NO_UNION_NORMAL, /* handle only modem interface */ + }, { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */ .driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index e38dc785808f..80826f843e04 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -120,7 +120,7 @@ struct acm { unsigned int throttled:1; /* actually throttled */ unsigned int throttle_req:1; /* throttle requested */ u8 bInterval; - struct acm_wb *delayed_wb; /* write queued for a device about to be woken */ + struct usb_anchor delayed; /* writes queued for a device about to be woken */ }; #define CDC_DATA_INTERFACE_TYPE 0x0a diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 4ebf1b2034e8..39c7cd6ffa4b 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1801,10 +1801,13 @@ int usb_runtime_suspend(struct device *dev) if (status == -EAGAIN || status == -EBUSY) usb_mark_last_busy(udev); - /* The PM core reacts badly unless the return code is 0, - * -EAGAIN, or -EBUSY, so always return -EBUSY on an error. + /* + * The PM core reacts badly unless the return code is 0, + * -EAGAIN, or -EBUSY, so always return -EBUSY on an error + * (except for root hubs, because they don't suspend through + * an upstream port like other USB devices). */ - if (status != 0) + if (status != 0 && udev->parent) return -EBUSY; return status; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index d498d03afdbd..3baa51bf8a6a 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1679,8 +1679,19 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) */ pm_runtime_set_autosuspend_delay(&hdev->dev, 0); - /* Hubs have proper suspend/resume support. */ - usb_enable_autosuspend(hdev); + /* + * Hubs have proper suspend/resume support, except for root hubs + * where the controller driver doesn't have bus_suspend and + * bus_resume methods. + */ + if (hdev->parent) { /* normal device */ + usb_enable_autosuspend(hdev); + } else { /* root hub */ + const struct hc_driver *drv = bus_to_hcd(hdev->bus)->driver; + + if (drv->bus_suspend && drv->bus_resume) + usb_enable_autosuspend(hdev); + } if (hdev->level == MAX_TOPO_LEVEL) { dev_err(&intf->dev, diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 2da0a5a2803a..09e9619ae381 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -586,6 +586,10 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) dwc3_remove_requests(dwc, dep); + /* make sure HW endpoint isn't stalled */ + if (dep->flags & DWC3_EP_STALL) + __dwc3_gadget_ep_set_halt(dep, 0); + reg = dwc3_readl(dwc->regs, DWC3_DALEPENA); reg &= ~DWC3_DALEPENA_EP(dep->number); dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index cea8c20a1425..1926925a52a9 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1709,16 +1709,6 @@ static int at91udc_probe(struct platform_device *pdev) return -ENODEV; } - if (pdev->num_resources != 2) { - DBG("invalid num_resources\n"); - return -ENODEV; - } - if ((pdev->resource[0].flags != IORESOURCE_MEM) - || (pdev->resource[1].flags != IORESOURCE_IRQ)) { - DBG("invalid resource type\n"); - return -ENODEV; - } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENXIO; diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 2b4334394076..5bcf7d001259 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1227,11 +1227,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) ffs->ep0req->context = ffs; lang = ffs->stringtabs; - for (lang = ffs->stringtabs; *lang; ++lang) { - struct usb_string *str = (*lang)->strings; - int id = first_id; - for (; str->s; ++id, ++str) - str->id = id; + if (lang) { + for (; *lang; ++lang) { + struct usb_string *str = (*lang)->strings; + int id = first_id; + for (; str->s; ++id, ++str) + str->id = id; + } } ffs->gadget = cdev->gadget; diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index b94c049ab0d0..4ac9e9928d67 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1504,7 +1504,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) } break; -#ifndef CONFIG_USB_GADGET_PXA25X +#ifndef CONFIG_USB_PXA25X /* PXA automagically handles this request too */ case USB_REQ_GET_CONFIGURATION: if (ctrl->bRequestType != 0x80) diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 6f2c8d3899d2..cf2734b532a7 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -248,7 +248,8 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd, break; } - if (pdata->have_sysif_regs && pdata->controller_ver && + if (pdata->have_sysif_regs && + pdata->controller_ver > FSL_USB_VER_1_6 && (phy_mode == FSL_USB2_PHY_ULPI)) { /* check PHY_CLK_VALID to get phy clk valid */ if (!(spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) & diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index c81c8721cc5a..cd871b895013 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -90,6 +90,24 @@ __acquires(ohci->lock) dl_done_list (ohci); finish_unlinks (ohci, ohci_frame_no(ohci)); + /* + * Some controllers don't handle "global" suspend properly if + * there are unsuspended ports. For these controllers, put all + * the enabled ports into suspend before suspending the root hub. + */ + if (ohci->flags & OHCI_QUIRK_GLOBAL_SUSPEND) { + __hc32 __iomem *portstat = ohci->regs->roothub.portstatus; + int i; + unsigned temp; + + for (i = 0; i < ohci->num_ports; (++i, ++portstat)) { + temp = ohci_readl(ohci, portstat); + if ((temp & (RH_PS_PES | RH_PS_PSS)) == + RH_PS_PES) + ohci_writel(ohci, RH_PS_PSS, portstat); + } + } + /* maybe resume can wake root hub */ if (ohci_to_hcd(ohci)->self.root_hub->do_remote_wakeup || autostop) { ohci->hc_control |= OHCI_CTRL_RWE; diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 90879e9ccbec..bb1509675727 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -160,6 +160,7 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd) ohci_dbg(ohci, "enabled AMD prefetch quirk\n"); } + ohci->flags |= OHCI_QUIRK_GLOBAL_SUSPEND; return 0; } diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 9250cada13f0..4550ce05af7f 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -405,6 +405,8 @@ struct ohci_hcd { #define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */ #define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/ #define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */ +#define OHCI_QUIRK_GLOBAL_SUSPEND 0x800 /* must suspend ports */ + // there are also chip quirks/bugs in init logic struct work_struct nec_work; /* Worker for NEC quirk */ diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 00661d305143..2f3acebb577a 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -656,6 +656,14 @@ static const struct dmi_system_id ehci_dmi_nohandoff_table[] = { DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"), }, }, + { + /* HASEE E200 */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "HASEE"), + DMI_MATCH(DMI_BOARD_NAME, "E210"), + DMI_MATCH(DMI_BIOS_VERSION, "6.00"), + }, + }, { } }; @@ -665,9 +673,14 @@ static void ehci_bios_handoff(struct pci_dev *pdev, { int try_handoff = 1, tried_handoff = 0; - /* The Pegatron Lucid tablet sporadically waits for 98 seconds trying - * the handoff on its unused controller. Skip it. */ - if (pdev->vendor == 0x8086 && pdev->device == 0x283a) { + /* + * The Pegatron Lucid tablet sporadically waits for 98 seconds trying + * the handoff on its unused controller. Skip it. + * + * The HASEE E200 hangs when the semaphore is set (bugzilla #77021). + */ + if (pdev->vendor == 0x8086 && (pdev->device == 0x283a || + pdev->device == 0x27cc)) { if (dmi_check_system(ehci_dmi_nohandoff_table)) try_handoff = 0; } @@ -847,6 +860,13 @@ void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev) bool ehci_found = false; struct pci_dev *companion = NULL; + /* Sony VAIO t-series with subsystem device ID 90a8 is not capable of + * switching ports from EHCI to xHCI + */ + if (xhci_pdev->subsystem_vendor == PCI_VENDOR_ID_SONY && + xhci_pdev->subsystem_device == 0x90a8) + return; + /* make sure an intel EHCI controller exists */ for_each_pci_dev(companion) { if (companion->class == PCI_CLASS_SERIAL_USB_EHCI && diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index bce4391a0e7d..4133a00461b1 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1722,6 +1722,16 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) kfree(cur_cd); } + num_ports = HCS_MAX_PORTS(xhci->hcs_params1); + for (i = 0; i < num_ports; i++) { + struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table; + for (j = 0; j < XHCI_MAX_INTERVAL; j++) { + struct list_head *ep = &bwt->interval_bw[j].endpoints; + while (!list_empty(ep)) + list_del_init(ep->next); + } + } + for (i = 1; i < MAX_HC_SLOTS; ++i) xhci_free_virt_device(xhci, i); @@ -1757,16 +1767,6 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) if (!xhci->rh_bw) goto no_bw; - num_ports = HCS_MAX_PORTS(xhci->hcs_params1); - for (i = 0; i < num_ports; i++) { - struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table; - for (j = 0; j < XHCI_MAX_INTERVAL; j++) { - struct list_head *ep = &bwt->interval_bw[j].endpoints; - while (!list_empty(ep)) - list_del_init(ep->next); - } - } - for (i = 0; i < num_ports; i++) { struct xhci_tt_bw_info *tt, *n; list_for_each_entry_safe(tt, n, &xhci->rh_bw[i].tts, tt_list) { diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index dff9b5ead3b3..65091d9aa997 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1578,8 +1578,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code); break; case TRB_RESET_DEV: - WARN_ON(slot_id != TRB_TO_SLOT_ID( - le32_to_cpu(cmd_trb->generic.field[3]))); + /* SLOT_ID field in reset device cmd completion event TRB is 0. + * Use the SLOT_ID from the command TRB instead (xhci 4.6.11) + */ + slot_id = TRB_TO_SLOT_ID( + le32_to_cpu(cmd_trb->generic.field[3])); xhci_handle_cmd_reset_dev(xhci, slot_id, event); break; case TRB_NEC_GET_FW: @@ -3663,7 +3666,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci, return 0; max_burst = urb->ep->ss_ep_comp.bMaxBurst; - return roundup(total_packet_count, max_burst + 1) - 1; + return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1; } /* diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index cca289667cf6..ab831048e8a4 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -928,7 +928,7 @@ int xhci_suspend(struct xhci_hcd *xhci) */ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) { - u32 command, temp = 0; + u32 command, temp = 0, status; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct usb_hcd *secondary_hcd; int retval = 0; @@ -1046,8 +1046,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) done: if (retval == 0) { - usb_hcd_resume_root_hub(hcd); - usb_hcd_resume_root_hub(xhci->shared_hcd); + /* Resume root hubs only when have pending events. */ + status = readl(&xhci->op_regs->status); + if (status & STS_EINT) { + usb_hcd_resume_root_hub(hcd); + usb_hcd_resume_root_hub(xhci->shared_hcd); + } } /* diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index f6568b5e9b06..71dcacbab398 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -7,7 +7,7 @@ #include <linux/moduleparam.h> #include <linux/scatterlist.h> #include <linux/mutex.h> - +#include <linux/timer.h> #include <linux/usb.h> #define SIMPLE_IO_TIMEOUT 10000 /* in milliseconds */ @@ -484,6 +484,14 @@ alloc_sglist(int nents, int max, int vary) return sg; } +static void sg_timeout(unsigned long _req) +{ + struct usb_sg_request *req = (struct usb_sg_request *) _req; + + req->status = -ETIMEDOUT; + usb_sg_cancel(req); +} + static int perform_sglist( struct usbtest_dev *tdev, unsigned iterations, @@ -495,6 +503,9 @@ static int perform_sglist( { struct usb_device *udev = testdev_to_usbdev(tdev); int retval = 0; + struct timer_list sg_timer; + + setup_timer_on_stack(&sg_timer, sg_timeout, (unsigned long) req); while (retval == 0 && iterations-- > 0) { retval = usb_sg_init(req, udev, pipe, @@ -505,7 +516,10 @@ static int perform_sglist( if (retval) break; + mod_timer(&sg_timer, jiffies + + msecs_to_jiffies(SIMPLE_IO_TIMEOUT)); usb_sg_wait(req); + del_timer_sync(&sg_timer); retval = req->status; /* FIXME check resulting data pattern */ @@ -1320,6 +1334,11 @@ static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) urb->context = &completion; urb->complete = unlink1_callback; + if (usb_pipeout(urb->pipe)) { + simple_fill_buf(urb); + urb->transfer_flags |= URB_ZERO_PACKET; + } + /* keep the endpoint busy. there are lots of hc/hcd-internal * states, and testing should get to all of them over time. * @@ -1450,6 +1469,11 @@ static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num, unlink_queued_callback, &ctx); ctx.urbs[i]->transfer_dma = buf_dma; ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; + + if (usb_pipeout(ctx.urbs[i]->pipe)) { + simple_fill_buf(ctx.urbs[i]); + ctx.urbs[i]->transfer_flags |= URB_ZERO_PACKET; + } } /* Submit all the URBs and then unlink URBs num - 4 and num - 2. */ diff --git a/drivers/usb/musb/musb_am335x.c b/drivers/usb/musb/musb_am335x.c index d2353781bd2d..1e58ed2361cc 100644 --- a/drivers/usb/musb/musb_am335x.c +++ b/drivers/usb/musb/musb_am335x.c @@ -19,21 +19,6 @@ err: return ret; } -static int of_remove_populated_child(struct device *dev, void *d) -{ - struct platform_device *pdev = to_platform_device(dev); - - of_device_unregister(pdev); - return 0; -} - -static int am335x_child_remove(struct platform_device *pdev) -{ - device_for_each_child(&pdev->dev, NULL, of_remove_populated_child); - pm_runtime_disable(&pdev->dev); - return 0; -} - static const struct of_device_id am335x_child_of_match[] = { { .compatible = "ti,am33xx-usb" }, { }, @@ -42,13 +27,17 @@ MODULE_DEVICE_TABLE(of, am335x_child_of_match); static struct platform_driver am335x_child_driver = { .probe = am335x_child_probe, - .remove = am335x_child_remove, .driver = { .name = "am335x-usb-childs", .of_match_table = am335x_child_of_match, }, }; -module_platform_driver(am335x_child_driver); +static int __init am335x_child_init(void) +{ + return platform_driver_register(&am335x_child_driver); +} +module_init(am335x_child_init); + MODULE_DESCRIPTION("AM33xx child devices"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index f88929609bac..c2d5afc57e22 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -266,7 +266,7 @@ static void cppi41_dma_callback(void *private_data) } list_add_tail(&cppi41_channel->tx_check, &controller->early_tx_list); - if (!hrtimer_active(&controller->early_tx)) { + if (!hrtimer_is_queued(&controller->early_tx)) { hrtimer_start_range_ns(&controller->early_tx, ktime_set(0, 140 * NSEC_PER_USEC), 40 * NSEC_PER_USEC, diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index c2e45e632723..f202e5088461 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -274,7 +274,6 @@ static int ux500_probe(struct platform_device *pdev) musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &pdev->dev.coherent_dma_mask; musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask; - musb->dev.of_node = pdev->dev.of_node; glue->dev = &pdev->dev; glue->musb = musb; diff --git a/drivers/usb/phy/phy-isp1301-omap.c b/drivers/usb/phy/phy-isp1301-omap.c index 6e146d723b37..69e49be8866b 100644 --- a/drivers/usb/phy/phy-isp1301-omap.c +++ b/drivers/usb/phy/phy-isp1301-omap.c @@ -1295,7 +1295,7 @@ isp1301_set_host(struct usb_otg *otg, struct usb_bus *host) return isp1301_otg_enable(isp); return 0; -#elif !defined(CONFIG_USB_GADGET_OMAP) +#elif !IS_ENABLED(CONFIG_USB_OMAP) // FIXME update its refcount otg->host = host; diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c index 35a2373cde67..9374bd2aba20 100644 --- a/drivers/usb/serial/bus.c +++ b/drivers/usb/serial/bus.c @@ -97,13 +97,19 @@ static int usb_serial_device_remove(struct device *dev) struct usb_serial_port *port; int retval = 0; int minor; + int autopm_err; port = to_usb_serial_port(dev); if (!port) return -ENODEV; - /* make sure suspend/resume doesn't race against port_remove */ - usb_autopm_get_interface(port->serial->interface); + /* + * Make sure suspend/resume doesn't race against port_remove. + * + * Note that no further runtime PM callbacks will be made if + * autopm_get fails. + */ + autopm_err = usb_autopm_get_interface(port->serial->interface); minor = port->minor; tty_unregister_device(usb_serial_tty_driver, minor); @@ -117,7 +123,9 @@ static int usb_serial_device_remove(struct device *dev) dev_info(dev, "%s converter now disconnected from ttyUSB%d\n", driver->description, minor); - usb_autopm_put_interface(port->serial->interface); + if (!autopm_err) + usb_autopm_put_interface(port->serial->interface); + return retval; } diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 95fa1217afdd..762e4a5f5ae9 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -104,6 +104,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */ { USB_DEVICE(0x10C4, 0x822B) }, /* Modem EDGE(GSM) Comander 2 */ { USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */ + { USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */ { USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */ { USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */ { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 44ab12986805..115662c16dcc 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -580,6 +580,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, /* * ELV devices: */ @@ -909,6 +911,39 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_Z3X_PID) }, /* Cressi Devices */ { USB_DEVICE(FTDI_VID, FTDI_CRESSI_PID) }, + /* Brainboxes Devices */ + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_001_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_012_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_4_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_5_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_357_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_606_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_701_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_1_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) }, { } /* Terminating entry */ }; @@ -1531,14 +1566,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port) struct usb_device *udev = serial->dev; struct usb_interface *interface = serial->interface; - struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; + struct usb_endpoint_descriptor *ep_desc; unsigned num_endpoints; - int i; + unsigned i; num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); + if (!num_endpoints) + return; + /* NOTE: some customers have programmed FT232R/FT245R devices * with an endpoint size of 0 - not good. In this case, we * want to override the endpoint descriptor setting and use a diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index e599fbfcde5f..500474c48f4b 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -538,6 +538,11 @@ */ #define FTDI_TIAO_UMPA_PID 0x8a98 /* TIAO/DIYGADGET USB Multi-Protocol Adapter */ +/* + * NovaTech product ids (FTDI_VID) + */ +#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ + /********************************/ /** third-party VID/PID combos **/ @@ -1326,3 +1331,40 @@ * Manufacturer: Cressi */ #define FTDI_CRESSI_PID 0x87d0 + +/* + * Brainboxes devices + */ +#define BRAINBOXES_VID 0x05d1 +#define BRAINBOXES_VX_001_PID 0x1001 /* VX-001 ExpressCard 1 Port RS232 */ +#define BRAINBOXES_VX_012_PID 0x1002 /* VX-012 ExpressCard 2 Port RS232 */ +#define BRAINBOXES_VX_023_PID 0x1003 /* VX-023 ExpressCard 1 Port RS422/485 */ +#define BRAINBOXES_VX_034_PID 0x1004 /* VX-034 ExpressCard 2 Port RS422/485 */ +#define BRAINBOXES_US_101_PID 0x1011 /* US-101 1xRS232 */ +#define BRAINBOXES_US_324_PID 0x1013 /* US-324 1xRS422/485 1Mbaud */ +#define BRAINBOXES_US_606_1_PID 0x2001 /* US-606 6 Port RS232 Serial Port 1 and 2 */ +#define BRAINBOXES_US_606_2_PID 0x2002 /* US-606 6 Port RS232 Serial Port 3 and 4 */ +#define BRAINBOXES_US_606_3_PID 0x2003 /* US-606 6 Port RS232 Serial Port 4 and 6 */ +#define BRAINBOXES_US_701_1_PID 0x2011 /* US-701 4xRS232 1Mbaud Port 1 and 2 */ +#define BRAINBOXES_US_701_2_PID 0x2012 /* US-701 4xRS422 1Mbaud Port 3 and 4 */ +#define BRAINBOXES_US_279_1_PID 0x2021 /* US-279 8xRS422 1Mbaud Port 1 and 2 */ +#define BRAINBOXES_US_279_2_PID 0x2022 /* US-279 8xRS422 1Mbaud Port 3 and 4 */ +#define BRAINBOXES_US_279_3_PID 0x2023 /* US-279 8xRS422 1Mbaud Port 5 and 6 */ +#define BRAINBOXES_US_279_4_PID 0x2024 /* US-279 8xRS422 1Mbaud Port 7 and 8 */ +#define BRAINBOXES_US_346_1_PID 0x3011 /* US-346 4xRS422/485 1Mbaud Port 1 and 2 */ +#define BRAINBOXES_US_346_2_PID 0x3012 /* US-346 4xRS422/485 1Mbaud Port 3 and 4 */ +#define BRAINBOXES_US_257_PID 0x5001 /* US-257 2xRS232 1Mbaud */ +#define BRAINBOXES_US_313_PID 0x6001 /* US-313 2xRS422/485 1Mbaud */ +#define BRAINBOXES_US_357_PID 0x7001 /* US_357 1xRS232/422/485 */ +#define BRAINBOXES_US_842_1_PID 0x8001 /* US-842 8xRS422/485 1Mbaud Port 1 and 2 */ +#define BRAINBOXES_US_842_2_PID 0x8002 /* US-842 8xRS422/485 1Mbaud Port 3 and 4 */ +#define BRAINBOXES_US_842_3_PID 0x8003 /* US-842 8xRS422/485 1Mbaud Port 5 and 6 */ +#define BRAINBOXES_US_842_4_PID 0x8004 /* US-842 8xRS422/485 1Mbaud Port 7 and 8 */ +#define BRAINBOXES_US_160_1_PID 0x9001 /* US-160 16xRS232 1Mbaud Port 1 and 2 */ +#define BRAINBOXES_US_160_2_PID 0x9002 /* US-160 16xRS232 1Mbaud Port 3 and 4 */ +#define BRAINBOXES_US_160_3_PID 0x9003 /* US-160 16xRS232 1Mbaud Port 5 and 6 */ +#define BRAINBOXES_US_160_4_PID 0x9004 /* US-160 16xRS232 1Mbaud Port 7 and 8 */ +#define BRAINBOXES_US_160_5_PID 0x9005 /* US-160 16xRS232 1Mbaud Port 9 and 10 */ +#define BRAINBOXES_US_160_6_PID 0x9006 /* US-160 16xRS232 1Mbaud Port 11 and 12 */ +#define BRAINBOXES_US_160_7_PID 0x9007 /* US-160 16xRS232 1Mbaud Port 13 and 14 */ +#define BRAINBOXES_US_160_8_PID 0x9008 /* US-160 16xRS232 1Mbaud Port 15 and 16 */ diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index a2db5be9c305..c0a42e9e6777 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -28,6 +28,7 @@ #include <linux/spinlock.h> #include <linux/mutex.h> #include <linux/serial.h> +#include <linux/swab.h> #include <linux/kfifo.h> #include <linux/ioctl.h> #include <linux/firmware.h> @@ -280,7 +281,7 @@ static int read_download_mem(struct usb_device *dev, int start_address, { int status = 0; __u8 read_length; - __be16 be_start_address; + u16 be_start_address; dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, length); @@ -296,10 +297,14 @@ static int read_download_mem(struct usb_device *dev, int start_address, if (read_length > 1) { dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, read_length); } - be_start_address = cpu_to_be16(start_address); + /* + * NOTE: Must use swab as wIndex is sent in little-endian + * byte order regardless of host byte order. + */ + be_start_address = swab16((u16)start_address); status = ti_vread_sync(dev, UMPC_MEMORY_READ, (__u16)address_type, - (__force __u16)be_start_address, + be_start_address, buffer, read_length); if (status) { @@ -394,7 +399,7 @@ static int write_i2c_mem(struct edgeport_serial *serial, struct device *dev = &serial->serial->dev->dev; int status = 0; int write_length; - __be16 be_start_address; + u16 be_start_address; /* We can only send a maximum of 1 aligned byte page at a time */ @@ -409,11 +414,16 @@ static int write_i2c_mem(struct edgeport_serial *serial, __func__, start_address, write_length); usb_serial_debug_data(dev, __func__, write_length, buffer); - /* Write first page */ - be_start_address = cpu_to_be16(start_address); + /* + * Write first page. + * + * NOTE: Must use swab as wIndex is sent in little-endian byte order + * regardless of host byte order. + */ + be_start_address = swab16((u16)start_address); status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, (__u16)address_type, - (__force __u16)be_start_address, + be_start_address, buffer, write_length); if (status) { dev_dbg(dev, "%s - ERROR %d\n", __func__, status); @@ -436,11 +446,16 @@ static int write_i2c_mem(struct edgeport_serial *serial, __func__, start_address, write_length); usb_serial_debug_data(dev, __func__, write_length, buffer); - /* Write next page */ - be_start_address = cpu_to_be16(start_address); + /* + * Write next page. + * + * NOTE: Must use swab as wIndex is sent in little-endian byte + * order regardless of host byte order. + */ + be_start_address = swab16((u16)start_address); status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, (__u16)address_type, - (__force __u16)be_start_address, + be_start_address, buffer, write_length); if (status) { dev_err(dev, "%s - ERROR %d\n", __func__, status); @@ -585,8 +600,8 @@ static int get_descriptor_addr(struct edgeport_serial *serial, if (rom_desc->Type == desc_type) return start_address; - start_address = start_address + sizeof(struct ti_i2c_desc) - + rom_desc->Size; + start_address = start_address + sizeof(struct ti_i2c_desc) + + le16_to_cpu(rom_desc->Size); } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type); @@ -599,7 +614,7 @@ static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer) __u16 i; __u8 cs = 0; - for (i = 0; i < rom_desc->Size; i++) + for (i = 0; i < le16_to_cpu(rom_desc->Size); i++) cs = (__u8)(cs + buffer[i]); if (cs != rom_desc->CheckSum) { @@ -650,7 +665,7 @@ static int check_i2c_image(struct edgeport_serial *serial) break; if ((start_address + sizeof(struct ti_i2c_desc) + - rom_desc->Size) > TI_MAX_I2C_SIZE) { + le16_to_cpu(rom_desc->Size)) > TI_MAX_I2C_SIZE) { status = -ENODEV; dev_dbg(dev, "%s - structure too big, erroring out.\n", __func__); break; @@ -665,7 +680,8 @@ static int check_i2c_image(struct edgeport_serial *serial) /* Read the descriptor data */ status = read_rom(serial, start_address + sizeof(struct ti_i2c_desc), - rom_desc->Size, buffer); + le16_to_cpu(rom_desc->Size), + buffer); if (status) break; @@ -674,7 +690,7 @@ static int check_i2c_image(struct edgeport_serial *serial) break; } start_address = start_address + sizeof(struct ti_i2c_desc) + - rom_desc->Size; + le16_to_cpu(rom_desc->Size); } while ((rom_desc->Type != I2C_DESC_TYPE_ION) && (start_address < TI_MAX_I2C_SIZE)); @@ -712,7 +728,7 @@ static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer) /* Read the descriptor data */ status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc), - rom_desc->Size, buffer); + le16_to_cpu(rom_desc->Size), buffer); if (status) goto exit; @@ -805,7 +821,7 @@ static int build_i2c_fw_hdr(__u8 *header, struct device *dev) firmware_rec = (struct ti_i2c_firmware_rec*)i2c_header->Data; i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; - i2c_header->Size = (__u16)buffer_size; + i2c_header->Size = cpu_to_le16(buffer_size); i2c_header->CheckSum = cs; firmware_rec->Ver_Major = OperationalMajorVersion; firmware_rec->Ver_Minor = OperationalMinorVersion; diff --git a/drivers/usb/serial/io_usbvend.h b/drivers/usb/serial/io_usbvend.h index 51f83fbb73bb..6f6a856bc37c 100644 --- a/drivers/usb/serial/io_usbvend.h +++ b/drivers/usb/serial/io_usbvend.h @@ -594,7 +594,7 @@ struct edge_boot_descriptor { struct ti_i2c_desc { __u8 Type; // Type of descriptor - __u16 Size; // Size of data only not including header + __le16 Size; // Size of data only not including header __u8 CheckSum; // Checksum (8 bit sum of data only) __u8 Data[0]; // Data starts here } __attribute__((packed)); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 68fc9fe65936..e25e8ca09fe2 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -161,6 +161,7 @@ static void option_instat_callback(struct urb *urb); #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001 #define NOVATELWIRELESS_PRODUCT_E362 0x9010 +#define NOVATELWIRELESS_PRODUCT_E371 0x9011 #define NOVATELWIRELESS_PRODUCT_G2 0xA010 #define NOVATELWIRELESS_PRODUCT_MC551 0xB001 @@ -234,8 +235,31 @@ static void option_instat_callback(struct urb *urb); #define QUALCOMM_VENDOR_ID 0x05C6 #define CMOTECH_VENDOR_ID 0x16d8 -#define CMOTECH_PRODUCT_6008 0x6008 -#define CMOTECH_PRODUCT_6280 0x6280 +#define CMOTECH_PRODUCT_6001 0x6001 +#define CMOTECH_PRODUCT_CMU_300 0x6002 +#define CMOTECH_PRODUCT_6003 0x6003 +#define CMOTECH_PRODUCT_6004 0x6004 +#define CMOTECH_PRODUCT_6005 0x6005 +#define CMOTECH_PRODUCT_CGU_628A 0x6006 +#define CMOTECH_PRODUCT_CHE_628S 0x6007 +#define CMOTECH_PRODUCT_CMU_301 0x6008 +#define CMOTECH_PRODUCT_CHU_628 0x6280 +#define CMOTECH_PRODUCT_CHU_628S 0x6281 +#define CMOTECH_PRODUCT_CDU_680 0x6803 +#define CMOTECH_PRODUCT_CDU_685A 0x6804 +#define CMOTECH_PRODUCT_CHU_720S 0x7001 +#define CMOTECH_PRODUCT_7002 0x7002 +#define CMOTECH_PRODUCT_CHU_629K 0x7003 +#define CMOTECH_PRODUCT_7004 0x7004 +#define CMOTECH_PRODUCT_7005 0x7005 +#define CMOTECH_PRODUCT_CGU_629 0x7006 +#define CMOTECH_PRODUCT_CHU_629S 0x700a +#define CMOTECH_PRODUCT_CHU_720I 0x7211 +#define CMOTECH_PRODUCT_7212 0x7212 +#define CMOTECH_PRODUCT_7213 0x7213 +#define CMOTECH_PRODUCT_7251 0x7251 +#define CMOTECH_PRODUCT_7252 0x7252 +#define CMOTECH_PRODUCT_7253 0x7253 #define TELIT_VENDOR_ID 0x1bc7 #define TELIT_PRODUCT_UC864E 0x1003 @@ -243,6 +267,7 @@ static void option_instat_callback(struct urb *urb); #define TELIT_PRODUCT_CC864_DUAL 0x1005 #define TELIT_PRODUCT_CC864_SINGLE 0x1006 #define TELIT_PRODUCT_DE910_DUAL 0x1010 +#define TELIT_PRODUCT_UE910_V2 0x1012 #define TELIT_PRODUCT_LE920 0x1200 /* ZTE PRODUCTS */ @@ -286,6 +311,7 @@ static void option_instat_callback(struct urb *urb); #define ALCATEL_PRODUCT_X060S_X200 0x0000 #define ALCATEL_PRODUCT_X220_X500D 0x0017 #define ALCATEL_PRODUCT_L100V 0x011e +#define ALCATEL_PRODUCT_L800MA 0x0203 #define PIRELLI_VENDOR_ID 0x1266 #define PIRELLI_PRODUCT_C100_1 0x1002 @@ -326,6 +352,9 @@ static void option_instat_callback(struct urb *urb); /* Zoom */ #define ZOOM_PRODUCT_4597 0x9607 +/* SpeedUp SU9800 usb 3g modem */ +#define SPEEDUP_PRODUCT_SU9800 0x9800 + /* Haier products */ #define HAIER_VENDOR_ID 0x201e #define HAIER_PRODUCT_CE100 0x2009 @@ -346,8 +375,13 @@ static void option_instat_callback(struct urb *urb); /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c #define OLIVETTI_PRODUCT_OLICARD100 0xc000 +#define OLIVETTI_PRODUCT_OLICARD120 0xc001 +#define OLIVETTI_PRODUCT_OLICARD140 0xc002 #define OLIVETTI_PRODUCT_OLICARD145 0xc003 +#define OLIVETTI_PRODUCT_OLICARD155 0xc004 #define OLIVETTI_PRODUCT_OLICARD200 0xc005 +#define OLIVETTI_PRODUCT_OLICARD160 0xc00a +#define OLIVETTI_PRODUCT_OLICARD500 0xc00b /* Celot products */ #define CELOT_VENDOR_ID 0x211f @@ -501,6 +535,10 @@ static const struct option_blacklist_info huawei_cdc12_blacklist = { .reserved = BIT(1) | BIT(2), }; +static const struct option_blacklist_info net_intf0_blacklist = { + .reserved = BIT(0), +}; + static const struct option_blacklist_info net_intf1_blacklist = { .reserved = BIT(1), }; @@ -982,6 +1020,7 @@ static const struct usb_device_id option_ids[] = { /* Novatel Ovation MC551 a.k.a. Verizon USB551L */ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, @@ -1034,13 +1073,53 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ - { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */ - { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6004) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6005) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_628A) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHE_628S), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_301), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628S) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_680) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_685A) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720S), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7002), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629K), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7004), + .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7005) }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_629), + .driver_info = (kernel_ulong_t)&net_intf5_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629S), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720I), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7212), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7213), + .driver_info = (kernel_ulong_t)&net_intf0_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7251), + .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7252), + .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7253), + .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), .driver_info = (kernel_ulong_t)&telit_le920_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ @@ -1498,11 +1577,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf5_blacklist }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L800MA), + .driver_info = (kernel_ulong_t)&net_intf2_blacklist }, { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) }, { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), .driver_info = (kernel_ulong_t)&four_g_w14_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) }, @@ -1537,12 +1619,21 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, - - { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200), - .driver_info = (kernel_ulong_t)&net_intf6_blacklist - }, + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) }, @@ -1848,6 +1939,7 @@ static int option_send_setup(struct usb_serial_port *port) struct option_private *priv = intfdata->private; struct usb_wwan_port_private *portdata; int val = 0; + int res; portdata = usb_get_serial_port_data(port); @@ -1856,9 +1948,17 @@ static int option_send_setup(struct usb_serial_port *port) if (portdata->rts_state) val |= 0x02; - return usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + res = usb_autopm_get_interface(serial->interface); + if (res) + return res; + + res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), 0x22, 0x21, val, priv->bInterfaceNumber, NULL, 0, USB_CTRL_SET_TIMEOUT); + + usb_autopm_put_interface(serial->interface); + + return res; } MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 968a40201e5f..43d93dbf7d71 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -136,12 +136,57 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)}, /* Sierra Wireless MC7710 Device Management */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)}, /* Sierra Wireless MC7710 NMEA */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)}, /* Sierra Wireless MC7710 Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)}, /* Sierra Wireless MC73xx Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)}, /* Sierra Wireless MC73xx NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)}, /* Sierra Wireless MC73xx Modem */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)}, /* Sierra Wireless EM7355 Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)}, /* Sierra Wireless EM7355 NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)}, /* Sierra Wireless EM7355 Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9040, 0)}, /* Sierra Wireless Modem Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9040, 2)}, /* Sierra Wireless Modem NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9040, 3)}, /* Sierra Wireless Modem Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)}, /* Sierra Wireless MC7305/MC7355 Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)}, /* Sierra Wireless MC7305/MC7355 NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)}, /* Sierra Wireless MC7305/MC7355 Modem */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9053, 0)}, /* Sierra Wireless Modem Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9053, 2)}, /* Sierra Wireless Modem NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9053, 3)}, /* Sierra Wireless Modem Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9054, 0)}, /* Sierra Wireless Modem Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9054, 2)}, /* Sierra Wireless Modem NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9054, 3)}, /* Sierra Wireless Modem Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9055, 0)}, /* Netgear AirCard 341U Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9055, 2)}, /* Netgear AirCard 341U NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9055, 3)}, /* Netgear AirCard 341U Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9056, 0)}, /* Sierra Wireless Modem Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9056, 2)}, /* Sierra Wireless Modem NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9056, 3)}, /* Sierra Wireless Modem Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9060, 0)}, /* Sierra Wireless Modem Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9060, 2)}, /* Sierra Wireless Modem NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9060, 3)}, /* Sierra Wireless Modem Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9061, 0)}, /* Sierra Wireless Modem Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9061, 2)}, /* Sierra Wireless Modem NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9061, 3)}, /* Sierra Wireless Modem Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 0)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 3)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 0)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 2)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 0)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 2)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 3)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 0)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 2)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 3)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 0)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 2)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 3)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Modem */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index a9eb6221a815..37480348e39b 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -58,6 +58,7 @@ struct sierra_intf_private { spinlock_t susp_lock; unsigned int suspended:1; int in_flight; + unsigned int open_ports; }; static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) @@ -291,7 +292,6 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */ .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, - { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */ { } }; @@ -760,6 +760,7 @@ static void sierra_close(struct usb_serial_port *port) struct usb_serial *serial = port->serial; struct sierra_port_private *portdata; struct sierra_intf_private *intfdata = port->serial->private; + struct urb *urb; portdata = usb_get_serial_port_data(port); @@ -768,7 +769,6 @@ static void sierra_close(struct usb_serial_port *port) mutex_lock(&serial->disc_mutex); if (!serial->disconnected) { - serial->interface->needs_remote_wakeup = 0; /* odd error handling due to pm counters */ if (!usb_autopm_get_interface(serial->interface)) sierra_send_setup(port); @@ -779,8 +779,22 @@ static void sierra_close(struct usb_serial_port *port) mutex_unlock(&serial->disc_mutex); spin_lock_irq(&intfdata->susp_lock); portdata->opened = 0; + if (--intfdata->open_ports == 0) + serial->interface->needs_remote_wakeup = 0; spin_unlock_irq(&intfdata->susp_lock); + for (;;) { + urb = usb_get_from_anchor(&portdata->delayed); + if (!urb) + break; + kfree(urb->transfer_buffer); + usb_free_urb(urb); + usb_autopm_put_interface_async(serial->interface); + spin_lock(&portdata->lock); + portdata->outstanding_urbs--; + spin_unlock(&portdata->lock); + } + sierra_stop_rx_urbs(port); for (i = 0; i < portdata->num_in_urbs; i++) { sierra_release_urb(portdata->in_urbs[i]); @@ -817,23 +831,29 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port) usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN); err = sierra_submit_rx_urbs(port, GFP_KERNEL); - if (err) { - /* get rid of everything as in close */ - sierra_close(port); - /* restore balance for autopm */ - if (!serial->disconnected) - usb_autopm_put_interface(serial->interface); - return err; - } + if (err) + goto err_submit; + sierra_send_setup(port); - serial->interface->needs_remote_wakeup = 1; spin_lock_irq(&intfdata->susp_lock); portdata->opened = 1; + if (++intfdata->open_ports == 1) + serial->interface->needs_remote_wakeup = 1; spin_unlock_irq(&intfdata->susp_lock); usb_autopm_put_interface(serial->interface); return 0; + +err_submit: + sierra_stop_rx_urbs(port); + + for (i = 0; i < portdata->num_in_urbs; i++) { + sierra_release_urb(portdata->in_urbs[i]); + portdata->in_urbs[i] = NULL; + } + + return err; } @@ -929,6 +949,7 @@ static int sierra_port_remove(struct usb_serial_port *port) struct sierra_port_private *portdata; portdata = usb_get_serial_port_data(port); + usb_set_serial_port_data(port, NULL); kfree(portdata); return 0; @@ -945,6 +966,8 @@ static void stop_read_write_urbs(struct usb_serial *serial) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; portdata = usb_get_serial_port_data(port); + if (!portdata) + continue; sierra_stop_rx_urbs(port); usb_kill_anchored_urbs(&portdata->active); } @@ -987,6 +1010,9 @@ static int sierra_resume(struct usb_serial *serial) port = serial->port[i]; portdata = usb_get_serial_port_data(port); + if (!portdata) + continue; + while ((urb = usb_get_from_anchor(&portdata->delayed))) { usb_anchor_urb(urb, &portdata->active); intfdata->in_flight++; @@ -994,8 +1020,12 @@ static int sierra_resume(struct usb_serial *serial) if (err < 0) { intfdata->in_flight--; usb_unanchor_urb(urb); - usb_scuttle_anchored_urbs(&portdata->delayed); - break; + kfree(urb->transfer_buffer); + usb_free_urb(urb); + spin_lock(&portdata->lock); + portdata->outstanding_urbs--; + spin_unlock(&portdata->lock); + continue; } } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 7c9dc28640bb..b169b0f9b3a2 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1348,10 +1348,12 @@ static int usb_serial_register(struct usb_serial_driver *driver) static void usb_serial_deregister(struct usb_serial_driver *device) { pr_info("USB Serial deregistering driver %s\n", device->description); + mutex_lock(&table_lock); list_del(&device->driver_list); - usb_serial_bus_deregister(device); mutex_unlock(&table_lock); + + usb_serial_bus_deregister(device); } /** diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 640fe0173236..d91a9883e869 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -228,8 +228,10 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port, usb_pipeendpoint(this_urb->pipe), i); err = usb_autopm_get_interface_async(port->serial->interface); - if (err < 0) + if (err < 0) { + clear_bit(i, &portdata->out_busy); break; + } /* send the data */ memcpy(this_urb->transfer_buffer, buf, todo); @@ -386,6 +388,14 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port) portdata = usb_get_serial_port_data(port); intfdata = serial->private; + if (port->interrupt_in_urb) { + err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); + if (err) { + dev_dbg(&port->dev, "%s: submit int urb failed: %d\n", + __func__, err); + } + } + /* Start reading from the IN endpoint */ for (i = 0; i < N_IN_URB; i++) { urb = portdata->in_urbs[i]; @@ -412,12 +422,26 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port) } EXPORT_SYMBOL(usb_wwan_open); +static void unbusy_queued_urb(struct urb *urb, + struct usb_wwan_port_private *portdata) +{ + int i; + + for (i = 0; i < N_OUT_URB; i++) { + if (urb == portdata->out_urbs[i]) { + clear_bit(i, &portdata->out_busy); + break; + } + } +} + void usb_wwan_close(struct usb_serial_port *port) { int i; struct usb_serial *serial = port->serial; struct usb_wwan_port_private *portdata; struct usb_wwan_intf_private *intfdata = port->serial->private; + struct urb *urb; portdata = usb_get_serial_port_data(port); @@ -426,10 +450,19 @@ void usb_wwan_close(struct usb_serial_port *port) portdata->opened = 0; spin_unlock_irq(&intfdata->susp_lock); + for (;;) { + urb = usb_get_from_anchor(&portdata->delayed); + if (!urb) + break; + unbusy_queued_urb(urb, portdata); + usb_autopm_put_interface_async(serial->interface); + } + for (i = 0; i < N_IN_URB; i++) usb_kill_urb(portdata->in_urbs[i]); for (i = 0; i < N_OUT_URB; i++) usb_kill_urb(portdata->out_urbs[i]); + usb_kill_urb(port->interrupt_in_urb); /* balancing - important as an error cannot be handled*/ usb_autopm_get_interface_no_resume(serial->interface); @@ -463,9 +496,11 @@ int usb_wwan_port_probe(struct usb_serial_port *port) struct usb_wwan_port_private *portdata; struct urb *urb; u8 *buffer; - int err; int i; + if (!port->bulk_in_size || !port->bulk_out_size) + return -ENODEV; + portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); if (!portdata) return -ENOMEM; @@ -473,9 +508,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port) init_usb_anchor(&portdata->delayed); for (i = 0; i < N_IN_URB; i++) { - if (!port->bulk_in_size) - break; - buffer = (u8 *)__get_free_page(GFP_KERNEL); if (!buffer) goto bail_out_error; @@ -489,9 +521,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port) } for (i = 0; i < N_OUT_URB; i++) { - if (!port->bulk_out_size) - break; - buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL); if (!buffer) goto bail_out_error2; @@ -506,13 +535,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port) usb_set_serial_port_data(port, portdata); - if (port->interrupt_in_urb) { - err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); - if (err) - dev_dbg(&port->dev, "%s: submit irq_in urb failed %d\n", - __func__, err); - } - return 0; bail_out_error2: @@ -580,44 +602,29 @@ static void stop_read_write_urbs(struct usb_serial *serial) int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message) { struct usb_wwan_intf_private *intfdata = serial->private; - int b; + spin_lock_irq(&intfdata->susp_lock); if (PMSG_IS_AUTO(message)) { - spin_lock_irq(&intfdata->susp_lock); - b = intfdata->in_flight; - spin_unlock_irq(&intfdata->susp_lock); - - if (b) + if (intfdata->in_flight) { + spin_unlock_irq(&intfdata->susp_lock); return -EBUSY; + } } - - spin_lock_irq(&intfdata->susp_lock); intfdata->suspended = 1; spin_unlock_irq(&intfdata->susp_lock); + stop_read_write_urbs(serial); return 0; } EXPORT_SYMBOL(usb_wwan_suspend); -static void unbusy_queued_urb(struct urb *urb, struct usb_wwan_port_private *portdata) -{ - int i; - - for (i = 0; i < N_OUT_URB; i++) { - if (urb == portdata->out_urbs[i]) { - clear_bit(i, &portdata->out_busy); - break; - } - } -} - -static void play_delayed(struct usb_serial_port *port) +static int play_delayed(struct usb_serial_port *port) { struct usb_wwan_intf_private *data; struct usb_wwan_port_private *portdata; struct urb *urb; - int err; + int err = 0; portdata = usb_get_serial_port_data(port); data = port->serial->private; @@ -634,6 +641,8 @@ static void play_delayed(struct usb_serial_port *port) break; } } + + return err; } int usb_wwan_resume(struct usb_serial *serial) @@ -643,54 +652,51 @@ int usb_wwan_resume(struct usb_serial *serial) struct usb_wwan_intf_private *intfdata = serial->private; struct usb_wwan_port_private *portdata; struct urb *urb; - int err = 0; - - /* get the interrupt URBs resubmitted unconditionally */ - for (i = 0; i < serial->num_ports; i++) { - port = serial->port[i]; - if (!port->interrupt_in_urb) { - dev_dbg(&port->dev, "%s: No interrupt URB for port\n", __func__); - continue; - } - err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO); - dev_dbg(&port->dev, "Submitted interrupt URB for port (result %d)\n", err); - if (err < 0) { - dev_err(&port->dev, "%s: Error %d for interrupt URB\n", - __func__, err); - goto err_out; - } - } + int err; + int err_count = 0; + spin_lock_irq(&intfdata->susp_lock); for (i = 0; i < serial->num_ports; i++) { /* walk all ports */ port = serial->port[i]; portdata = usb_get_serial_port_data(port); /* skip closed ports */ - spin_lock_irq(&intfdata->susp_lock); - if (!portdata || !portdata->opened) { - spin_unlock_irq(&intfdata->susp_lock); + if (!portdata || !portdata->opened) continue; + + if (port->interrupt_in_urb) { + err = usb_submit_urb(port->interrupt_in_urb, + GFP_ATOMIC); + if (err) { + dev_err(&port->dev, + "%s: submit int urb failed: %d\n", + __func__, err); + err_count++; + } } + err = play_delayed(port); + if (err) + err_count++; + for (j = 0; j < N_IN_URB; j++) { urb = portdata->in_urbs[j]; err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { dev_err(&port->dev, "%s: Error %d for bulk URB %d\n", __func__, err, i); - spin_unlock_irq(&intfdata->susp_lock); - goto err_out; + err_count++; } } - play_delayed(port); - spin_unlock_irq(&intfdata->susp_lock); } - spin_lock_irq(&intfdata->susp_lock); intfdata->suspended = 0; spin_unlock_irq(&intfdata->susp_lock); -err_out: - return err; + + if (err_count) + return -EIO; + + return 0; } EXPORT_SYMBOL(usb_wwan_resume); #endif diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c index 4ef2a80728f7..008d805c3d21 100644 --- a/drivers/usb/storage/shuttle_usbat.c +++ b/drivers/usb/storage/shuttle_usbat.c @@ -1851,7 +1851,7 @@ static int usbat_probe(struct usb_interface *intf, us->transport_name = "Shuttle USBAT"; us->transport = usbat_flash_transport; us->transport_reset = usb_stor_CB_reset; - us->max_lun = 1; + us->max_lun = 0; result = usb_stor_probe2(us); return result; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index adbeb255616a..042c83b01046 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -234,6 +234,20 @@ UNUSUAL_DEV( 0x0421, 0x0495, 0x0370, 0x0370, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64 ), +/* Reported by Daniele Forsi <dforsi@gmail.com> */ +UNUSUAL_DEV( 0x0421, 0x04b9, 0x0350, 0x0350, + "Nokia", + "5300", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 ), + +/* Patch submitted by Victor A. Santos <victoraur.santos@gmail.com> */ +UNUSUAL_DEV( 0x0421, 0x05af, 0x0742, 0x0742, + "Nokia", + "305", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64), + /* Patch submitted by Mikhail Zolotaryov <lebon@lebon.org.ua> */ UNUSUAL_DEV( 0x0421, 0x06aa, 0x1110, 0x1110, "Nokia", diff --git a/drivers/video/aty/mach64_accel.c b/drivers/video/aty/mach64_accel.c index e45833ce975b..182bd680141f 100644 --- a/drivers/video/aty/mach64_accel.c +++ b/drivers/video/aty/mach64_accel.c @@ -4,6 +4,7 @@ */ #include <linux/delay.h> +#include <asm/unaligned.h> #include <linux/fb.h> #include <video/mach64.h> #include "atyfb.h" @@ -419,7 +420,7 @@ void atyfb_imageblit(struct fb_info *info, const struct fb_image *image) u32 *pbitmap, dwords = (src_bytes + 3) / 4; for (pbitmap = (u32*)(image->data); dwords; dwords--, pbitmap++) { wait_for_fifo(1, par); - aty_st_le32(HOST_DATA0, le32_to_cpup(pbitmap), par); + aty_st_le32(HOST_DATA0, get_unaligned_le32(pbitmap), par); } } diff --git a/drivers/video/aty/mach64_cursor.c b/drivers/video/aty/mach64_cursor.c index 95ec042ddbf8..0fe02e22d9a4 100644 --- a/drivers/video/aty/mach64_cursor.c +++ b/drivers/video/aty/mach64_cursor.c @@ -5,6 +5,7 @@ #include <linux/fb.h> #include <linux/init.h> #include <linux/string.h> +#include "../fb_draw.h" #include <asm/io.h> @@ -157,24 +158,33 @@ static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor) for (i = 0; i < height; i++) { for (j = 0; j < width; j++) { + u16 l = 0xaaaa; b = *src++; m = *msk++; switch (cursor->rop) { case ROP_XOR: // Upper 4 bits of mask data - fb_writeb(cursor_bits_lookup[(b ^ m) >> 4], dst++); + l = cursor_bits_lookup[(b ^ m) >> 4] | // Lower 4 bits of mask - fb_writeb(cursor_bits_lookup[(b ^ m) & 0x0f], - dst++); + (cursor_bits_lookup[(b ^ m) & 0x0f] << 8); break; case ROP_COPY: // Upper 4 bits of mask data - fb_writeb(cursor_bits_lookup[(b & m) >> 4], dst++); + l = cursor_bits_lookup[(b & m) >> 4] | // Lower 4 bits of mask - fb_writeb(cursor_bits_lookup[(b & m) & 0x0f], - dst++); + (cursor_bits_lookup[(b & m) & 0x0f] << 8); break; } + /* + * If cursor size is not a multiple of 8 characters + * we must pad it with transparent pattern (0xaaaa). + */ + if ((j + 1) * 8 > cursor->image.width) { + l = comp(l, 0xaaaa, + (1 << ((cursor->image.width & 7) * 2)) - 1); + } + fb_writeb(l & 0xff, dst++); + fb_writeb(l >> 8, dst++); } dst += offset; } diff --git a/drivers/video/cfbcopyarea.c b/drivers/video/cfbcopyarea.c index bb5a96b1645d..bcb57235fcc7 100644 --- a/drivers/video/cfbcopyarea.c +++ b/drivers/video/cfbcopyarea.c @@ -43,13 +43,22 @@ */ static void -bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, - const unsigned long __iomem *src, int src_idx, int bits, +bitcpy(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx, + const unsigned long __iomem *src, unsigned src_idx, int bits, unsigned n, u32 bswapmask) { unsigned long first, last; int const shift = dst_idx-src_idx; - int left, right; + +#if 0 + /* + * If you suspect bug in this function, compare it with this simple + * memmove implementation. + */ + fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8, + (char *)src + ((src_idx & (bits - 1))) / 8, n / 8); + return; +#endif first = fb_shifted_pixels_mask_long(p, dst_idx, bswapmask); last = ~fb_shifted_pixels_mask_long(p, (dst_idx+n) % bits, bswapmask); @@ -98,9 +107,8 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, unsigned long d0, d1; int m; - right = shift & (bits - 1); - left = -shift & (bits - 1); - bswapmask &= shift; + int const left = shift & (bits - 1); + int const right = -shift & (bits - 1); if (dst_idx+n <= bits) { // Single destination word @@ -110,15 +118,15 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, d0 = fb_rev_pixels_in_long(d0, bswapmask); if (shift > 0) { // Single source word - d0 >>= right; + d0 <<= left; } else if (src_idx+n <= bits) { // Single source word - d0 <<= left; + d0 >>= right; } else { // 2 source words d1 = FB_READL(src + 1); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0<<left | d1>>right; + d0 = d0 >> right | d1 << left; } d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(comp(d0, FB_READL(dst), first), dst); @@ -135,60 +143,59 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, if (shift > 0) { // Single source word d1 = d0; - d0 >>= right; - dst++; + d0 <<= left; n -= bits - dst_idx; } else { // 2 source words d1 = FB_READL(src++); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0<<left | d1>>right; - dst++; + d0 = d0 >> right | d1 << left; n -= bits - dst_idx; } d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(comp(d0, FB_READL(dst), first), dst); d0 = d1; + dst++; // Main chunk m = n % bits; n /= bits; while ((n >= 4) && !bswapmask) { d1 = FB_READL(src++); - FB_WRITEL(d0 << left | d1 >> right, dst++); + FB_WRITEL(d0 >> right | d1 << left, dst++); d0 = d1; d1 = FB_READL(src++); - FB_WRITEL(d0 << left | d1 >> right, dst++); + FB_WRITEL(d0 >> right | d1 << left, dst++); d0 = d1; d1 = FB_READL(src++); - FB_WRITEL(d0 << left | d1 >> right, dst++); + FB_WRITEL(d0 >> right | d1 << left, dst++); d0 = d1; d1 = FB_READL(src++); - FB_WRITEL(d0 << left | d1 >> right, dst++); + FB_WRITEL(d0 >> right | d1 << left, dst++); d0 = d1; n -= 4; } while (n--) { d1 = FB_READL(src++); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0 << left | d1 >> right; + d0 = d0 >> right | d1 << left; d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(d0, dst++); d0 = d1; } // Trailing bits - if (last) { - if (m <= right) { + if (m) { + if (m <= bits - right) { // Single source word - d0 <<= left; + d0 >>= right; } else { // 2 source words d1 = FB_READL(src); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0<<left | d1>>right; + d0 = d0 >> right | d1 << left; } d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(comp(d0, FB_READL(dst), last), dst); @@ -202,43 +209,46 @@ bitcpy(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, */ static void -bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, - const unsigned long __iomem *src, int src_idx, int bits, +bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, unsigned dst_idx, + const unsigned long __iomem *src, unsigned src_idx, int bits, unsigned n, u32 bswapmask) { unsigned long first, last; int shift; - dst += (n-1)/bits; - src += (n-1)/bits; - if ((n-1) % bits) { - dst_idx += (n-1) % bits; - dst += dst_idx >> (ffs(bits) - 1); - dst_idx &= bits - 1; - src_idx += (n-1) % bits; - src += src_idx >> (ffs(bits) - 1); - src_idx &= bits - 1; - } +#if 0 + /* + * If you suspect bug in this function, compare it with this simple + * memmove implementation. + */ + fb_memmove((char *)dst + ((dst_idx & (bits - 1))) / 8, + (char *)src + ((src_idx & (bits - 1))) / 8, n / 8); + return; +#endif + + dst += (dst_idx + n - 1) / bits; + src += (src_idx + n - 1) / bits; + dst_idx = (dst_idx + n - 1) % bits; + src_idx = (src_idx + n - 1) % bits; shift = dst_idx-src_idx; - first = fb_shifted_pixels_mask_long(p, bits - 1 - dst_idx, bswapmask); - last = ~fb_shifted_pixels_mask_long(p, bits - 1 - ((dst_idx-n) % bits), - bswapmask); + first = ~fb_shifted_pixels_mask_long(p, (dst_idx + 1) % bits, bswapmask); + last = fb_shifted_pixels_mask_long(p, (bits + dst_idx + 1 - n) % bits, bswapmask); if (!shift) { // Same alignment for source and dest if ((unsigned long)dst_idx+1 >= n) { // Single word - if (last) - first &= last; - FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst); + if (first) + last &= first; + FB_WRITEL( comp( FB_READL(src), FB_READL(dst), last), dst); } else { // Multiple destination words // Leading bits - if (first != ~0UL) { + if (first) { FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst); dst--; src--; @@ -262,7 +272,7 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, FB_WRITEL(FB_READL(src--), dst--); // Trailing bits - if (last) + if (last != -1UL) FB_WRITEL( comp( FB_READL(src), FB_READL(dst), last), dst); } } else { @@ -270,29 +280,28 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, unsigned long d0, d1; int m; - int const left = -shift & (bits-1); - int const right = shift & (bits-1); - bswapmask &= shift; + int const left = shift & (bits-1); + int const right = -shift & (bits-1); if ((unsigned long)dst_idx+1 >= n) { // Single destination word - if (last) - first &= last; + if (first) + last &= first; d0 = FB_READL(src); if (shift < 0) { // Single source word - d0 <<= left; + d0 >>= right; } else if (1+(unsigned long)src_idx >= n) { // Single source word - d0 >>= right; + d0 <<= left; } else { // 2 source words d1 = FB_READL(src - 1); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0>>right | d1<<left; + d0 = d0 << left | d1 >> right; } d0 = fb_rev_pixels_in_long(d0, bswapmask); - FB_WRITEL(comp(d0, FB_READL(dst), first), dst); + FB_WRITEL(comp(d0, FB_READL(dst), last), dst); } else { // Multiple destination words /** We must always remember the last value read, because in case @@ -307,12 +316,12 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, if (shift < 0) { // Single source word d1 = d0; - d0 <<= left; + d0 >>= right; } else { // 2 source words d1 = FB_READL(src--); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0>>right | d1<<left; + d0 = d0 << left | d1 >> right; } d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(comp(d0, FB_READL(dst), first), dst); @@ -325,39 +334,39 @@ bitcpy_rev(struct fb_info *p, unsigned long __iomem *dst, int dst_idx, n /= bits; while ((n >= 4) && !bswapmask) { d1 = FB_READL(src--); - FB_WRITEL(d0 >> right | d1 << left, dst--); + FB_WRITEL(d0 << left | d1 >> right, dst--); d0 = d1; d1 = FB_READL(src--); - FB_WRITEL(d0 >> right | d1 << left, dst--); + FB_WRITEL(d0 << left | d1 >> right, dst--); d0 = d1; d1 = FB_READL(src--); - FB_WRITEL(d0 >> right | d1 << left, dst--); + FB_WRITEL(d0 << left | d1 >> right, dst--); d0 = d1; d1 = FB_READL(src--); - FB_WRITEL(d0 >> right | d1 << left, dst--); + FB_WRITEL(d0 << left | d1 >> right, dst--); d0 = d1; n -= 4; } while (n--) { d1 = FB_READL(src--); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0 >> right | d1 << left; + d0 = d0 << left | d1 >> right; d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(d0, dst--); d0 = d1; } // Trailing bits - if (last) { - if (m <= left) { + if (m) { + if (m <= bits - left) { // Single source word - d0 >>= right; + d0 <<= left; } else { // 2 source words d1 = FB_READL(src); d1 = fb_rev_pixels_in_long(d1, bswapmask); - d0 = d0>>right | d1<<left; + d0 = d0 << left | d1 >> right; } d0 = fb_rev_pixels_in_long(d0, bswapmask); FB_WRITEL(comp(d0, FB_READL(dst), last), dst); @@ -371,9 +380,9 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy; u32 height = area->height, width = area->width; unsigned long const bits_per_line = p->fix.line_length*8u; - unsigned long __iomem *dst = NULL, *src = NULL; + unsigned long __iomem *base = NULL; int bits = BITS_PER_LONG, bytes = bits >> 3; - int dst_idx = 0, src_idx = 0, rev_copy = 0; + unsigned dst_idx = 0, src_idx = 0, rev_copy = 0; u32 bswapmask = fb_compute_bswapmask(p); if (p->state != FBINFO_STATE_RUNNING) @@ -389,7 +398,7 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) // split the base of the framebuffer into a long-aligned address and the // index of the first bit - dst = src = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1)); + base = (unsigned long __iomem *)((unsigned long)p->screen_base & ~(bytes-1)); dst_idx = src_idx = 8*((unsigned long)p->screen_base & (bytes-1)); // add offset of source and target area dst_idx += dy*bits_per_line + dx*p->var.bits_per_pixel; @@ -402,20 +411,14 @@ void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area) while (height--) { dst_idx -= bits_per_line; src_idx -= bits_per_line; - dst += dst_idx >> (ffs(bits) - 1); - dst_idx &= (bytes - 1); - src += src_idx >> (ffs(bits) - 1); - src_idx &= (bytes - 1); - bitcpy_rev(p, dst, dst_idx, src, src_idx, bits, + bitcpy_rev(p, base + (dst_idx / bits), dst_idx % bits, + base + (src_idx / bits), src_idx % bits, bits, width*p->var.bits_per_pixel, bswapmask); } } else { while (height--) { - dst += dst_idx >> (ffs(bits) - 1); - dst_idx &= (bytes - 1); - src += src_idx >> (ffs(bits) - 1); - src_idx &= (bytes - 1); - bitcpy(p, dst, dst_idx, src, src_idx, bits, + bitcpy(p, base + (dst_idx / bits), dst_idx % bits, + base + (src_idx / bits), src_idx % bits, bits, width*p->var.bits_per_pixel, bswapmask); dst_idx += bits_per_line; src_idx += bits_per_line; diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c index 6db9ebd042a3..88fa2e70a0bb 100644 --- a/drivers/video/fb-puv3.c +++ b/drivers/video/fb-puv3.c @@ -18,8 +18,10 @@ #include <linux/fb.h> #include <linux/init.h> #include <linux/console.h> +#include <linux/mm.h> #include <asm/sizes.h> +#include <asm/pgtable.h> #include <mach/hardware.h> /* Platform_data reserved for unifb registers. */ diff --git a/drivers/video/matrox/matroxfb_accel.c b/drivers/video/matrox/matroxfb_accel.c index 8335a6fe303e..0d5cb85d071a 100644 --- a/drivers/video/matrox/matroxfb_accel.c +++ b/drivers/video/matrox/matroxfb_accel.c @@ -192,10 +192,18 @@ void matrox_cfbX_init(struct matrox_fb_info *minfo) minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO; if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC; minfo->accel.m_opmode = mopmode; + minfo->accel.m_access = maccess; + minfo->accel.m_pitch = mpitch; } EXPORT_SYMBOL(matrox_cfbX_init); +static void matrox_accel_restore_maccess(struct matrox_fb_info *minfo) +{ + mga_outl(M_MACCESS, minfo->accel.m_access); + mga_outl(M_PITCH, minfo->accel.m_pitch); +} + static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy, int sx, int dy, int dx, int height, int width) { @@ -207,7 +215,8 @@ static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy, CRITBEGIN if ((dy < sy) || ((dy == sy) && (dx <= sx))) { - mga_fifo(2); + mga_fifo(4); + matrox_accel_restore_maccess(minfo); mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO | M_DWG_BFCOL | M_DWG_REPLACE); mga_outl(M_AR5, vxres); @@ -215,7 +224,8 @@ static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy, start = sy*vxres+sx+curr_ydstorg(minfo); end = start+width; } else { - mga_fifo(3); + mga_fifo(5); + matrox_accel_restore_maccess(minfo); mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE); mga_outl(M_SGN, 5); mga_outl(M_AR5, -vxres); @@ -224,7 +234,8 @@ static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy, start = end+width; dy += height-1; } - mga_fifo(4); + mga_fifo(6); + matrox_accel_restore_maccess(minfo); mga_outl(M_AR0, end); mga_outl(M_AR3, start); mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx); @@ -246,7 +257,8 @@ static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres, CRITBEGIN if ((dy < sy) || ((dy == sy) && (dx <= sx))) { - mga_fifo(2); + mga_fifo(4); + matrox_accel_restore_maccess(minfo); mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO | M_DWG_BFCOL | M_DWG_REPLACE); mga_outl(M_AR5, vxres); @@ -254,7 +266,8 @@ static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres, start = sy*vxres+sx+curr_ydstorg(minfo); end = start+width; } else { - mga_fifo(3); + mga_fifo(5); + matrox_accel_restore_maccess(minfo); mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE); mga_outl(M_SGN, 5); mga_outl(M_AR5, -vxres); @@ -263,7 +276,8 @@ static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres, start = end+width; dy += height-1; } - mga_fifo(5); + mga_fifo(7); + matrox_accel_restore_maccess(minfo); mga_outl(M_AR0, end); mga_outl(M_AR3, start); mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx); @@ -298,7 +312,8 @@ static void matroxfb_accel_clear(struct matrox_fb_info *minfo, u_int32_t color, CRITBEGIN - mga_fifo(5); + mga_fifo(7); + matrox_accel_restore_maccess(minfo); mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE); mga_outl(M_FCOL, color); mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx); @@ -341,7 +356,8 @@ static void matroxfb_cfb4_clear(struct matrox_fb_info *minfo, u_int32_t bgx, width >>= 1; sx >>= 1; if (width) { - mga_fifo(5); + mga_fifo(7); + matrox_accel_restore_maccess(minfo); mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2); mga_outl(M_FCOL, bgx); mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx); @@ -415,7 +431,8 @@ static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx, CRITBEGIN - mga_fifo(3); + mga_fifo(5); + matrox_accel_restore_maccess(minfo); if (easy) mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE); else @@ -425,7 +442,8 @@ static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx, fxbndry = ((xx + width - 1) << 16) | xx; mmio = minfo->mmio.vbase; - mga_fifo(6); + mga_fifo(8); + matrox_accel_restore_maccess(minfo); mga_writel(mmio, M_FXBNDRY, fxbndry); mga_writel(mmio, M_AR0, ar0); mga_writel(mmio, M_AR3, 0); diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h index 11ed57bb704e..89a8a89a5eb2 100644 --- a/drivers/video/matrox/matroxfb_base.h +++ b/drivers/video/matrox/matroxfb_base.h @@ -307,6 +307,8 @@ struct matrox_accel_data { #endif u_int32_t m_dwg_rect; u_int32_t m_opmode; + u_int32_t m_access; + u_int32_t m_pitch; }; struct v4l2_queryctrl; @@ -696,7 +698,7 @@ void matroxfb_unregister_driver(struct matroxfb_driver* drv); #define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n)) -#define WaitTillIdle() do {} while (mga_inl(M_STATUS) & 0x10000) +#define WaitTillIdle() do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0) /* code speedup */ #ifdef CONFIG_FB_MATROX_MILLENIUM diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 07c7df9ee77b..3d5bce517d8e 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -182,6 +182,8 @@ tgafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) if (var->xres_virtual != var->xres || var->yres_virtual != var->yres) return -EINVAL; + if (var->xres * var->yres * (var->bits_per_pixel >> 3) > info->fix.smem_len) + return -EINVAL; if (var->nonstd) return -EINVAL; if (1000000000 / var->pixclock > TGA_PLL_MAX_FREQ) @@ -262,6 +264,7 @@ tgafb_set_par(struct fb_info *info) par->yres = info->var.yres; par->pll_freq = pll_freq = 1000000000 / info->var.pixclock; par->bits_per_pixel = info->var.bits_per_pixel; + info->fix.line_length = par->xres * (par->bits_per_pixel >> 3); tga_type = par->tga_type; @@ -1136,222 +1139,57 @@ copyarea_line_32bpp(struct fb_info *info, u32 dy, u32 sy, __raw_writel(TGA_MODE_SBM_24BPP|TGA_MODE_SIMPLE, tga_regs+TGA_MODE_REG); } -/* The general case of forward copy in 8bpp mode. */ +/* The (almost) general case of backward copy in 8bpp mode. */ static inline void -copyarea_foreward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy, - u32 height, u32 width, u32 line_length) +copyarea_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy, + u32 height, u32 width, u32 line_length, + const struct fb_copyarea *area) { struct tga_par *par = (struct tga_par *) info->par; - unsigned long i, copied, left; - unsigned long dpos, spos, dalign, salign, yincr; - u32 smask_first, dmask_first, dmask_last; - int pixel_shift, need_prime, need_second; - unsigned long n64, n32, xincr_first; + unsigned i, yincr; + int depos, sepos, backward, last_step, step; + u32 mask_last; + unsigned n32; void __iomem *tga_regs; void __iomem *tga_fb; - yincr = line_length; - if (dy > sy) { - dy += height - 1; - sy += height - 1; - yincr = -yincr; - } - - /* Compute the offsets and alignments in the frame buffer. - More than anything else, these control how we do copies. */ - dpos = dy * line_length + dx; - spos = sy * line_length + sx; - dalign = dpos & 7; - salign = spos & 7; - dpos &= -8; - spos &= -8; - - /* Compute the value for the PIXELSHIFT register. This controls - both non-co-aligned source and destination and copy direction. */ - if (dalign >= salign) - pixel_shift = dalign - salign; - else - pixel_shift = 8 - (salign - dalign); - - /* Figure out if we need an additional priming step for the - residue register. */ - need_prime = (salign > dalign); - if (need_prime) - dpos -= 8; - - /* Begin by copying the leading unaligned destination. Copy enough - to make the next destination address 32-byte aligned. */ - copied = 32 - (dalign + (dpos & 31)); - if (copied == 32) - copied = 0; - xincr_first = (copied + 7) & -8; - smask_first = dmask_first = (1ul << copied) - 1; - smask_first <<= salign; - dmask_first <<= dalign + need_prime*8; - if (need_prime && copied > 24) - copied -= 8; - left = width - copied; - - /* Care for small copies. */ - if (copied > width) { - u32 t; - t = (1ul << width) - 1; - t <<= dalign + need_prime*8; - dmask_first &= t; - left = 0; - } - - /* Attempt to use 64-byte copies. This is only possible if the - source and destination are co-aligned at 64 bytes. */ - n64 = need_second = 0; - if ((dpos & 63) == (spos & 63) - && (height == 1 || line_length % 64 == 0)) { - /* We may need a 32-byte copy to ensure 64 byte alignment. */ - need_second = (dpos + xincr_first) & 63; - if ((need_second & 32) != need_second) - printk(KERN_ERR "tgafb: need_second wrong\n"); - if (left >= need_second + 64) { - left -= need_second; - n64 = left / 64; - left %= 64; - } else - need_second = 0; - } - - /* Copy trailing full 32-byte sections. This will be the main - loop if the 64 byte loop can't be used. */ - n32 = left / 32; - left %= 32; - - /* Copy the trailing unaligned destination. */ - dmask_last = (1ul << left) - 1; - - tga_regs = par->tga_regs_base; - tga_fb = par->tga_fb_base; - - /* Set up the MODE and PIXELSHIFT registers. */ - __raw_writel(TGA_MODE_SBM_8BPP|TGA_MODE_COPY, tga_regs+TGA_MODE_REG); - __raw_writel(pixel_shift, tga_regs+TGA_PIXELSHIFT_REG); - wmb(); - - for (i = 0; i < height; ++i) { - unsigned long j; - void __iomem *sfb; - void __iomem *dfb; - - sfb = tga_fb + spos; - dfb = tga_fb + dpos; - if (dmask_first) { - __raw_writel(smask_first, sfb); - wmb(); - __raw_writel(dmask_first, dfb); - wmb(); - sfb += xincr_first; - dfb += xincr_first; - } - - if (need_second) { - __raw_writel(0xffffffff, sfb); - wmb(); - __raw_writel(0xffffffff, dfb); - wmb(); - sfb += 32; - dfb += 32; - } - - if (n64 && (((unsigned long)sfb | (unsigned long)dfb) & 63)) - printk(KERN_ERR - "tgafb: misaligned copy64 (s:%p, d:%p)\n", - sfb, dfb); - - for (j = 0; j < n64; ++j) { - __raw_writel(sfb - tga_fb, tga_regs+TGA_COPY64_SRC); - wmb(); - __raw_writel(dfb - tga_fb, tga_regs+TGA_COPY64_DST); - wmb(); - sfb += 64; - dfb += 64; - } - - for (j = 0; j < n32; ++j) { - __raw_writel(0xffffffff, sfb); - wmb(); - __raw_writel(0xffffffff, dfb); - wmb(); - sfb += 32; - dfb += 32; - } - - if (dmask_last) { - __raw_writel(0xffffffff, sfb); - wmb(); - __raw_writel(dmask_last, dfb); - wmb(); - } - - spos += yincr; - dpos += yincr; + /* Do acceleration only if we are aligned on 8 pixels */ + if ((dx | sx | width) & 7) { + cfb_copyarea(info, area); + return; } - /* Reset the MODE register to normal. */ - __raw_writel(TGA_MODE_SBM_8BPP|TGA_MODE_SIMPLE, tga_regs+TGA_MODE_REG); -} - -/* The (almost) general case of backward copy in 8bpp mode. */ -static inline void -copyarea_backward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy, - u32 height, u32 width, u32 line_length, - const struct fb_copyarea *area) -{ - struct tga_par *par = (struct tga_par *) info->par; - unsigned long i, left, yincr; - unsigned long depos, sepos, dealign, sealign; - u32 mask_first, mask_last; - unsigned long n32; - void __iomem *tga_regs; - void __iomem *tga_fb; - yincr = line_length; if (dy > sy) { dy += height - 1; sy += height - 1; yincr = -yincr; } + backward = dy == sy && dx > sx && dx < sx + width; /* Compute the offsets and alignments in the frame buffer. More than anything else, these control how we do copies. */ - depos = dy * line_length + dx + width; - sepos = sy * line_length + sx + width; - dealign = depos & 7; - sealign = sepos & 7; - - /* ??? The documentation appears to be incorrect (or very - misleading) wrt how pixel shifting works in backward copy - mode, i.e. when PIXELSHIFT is negative. I give up for now. - Do handle the common case of co-aligned backward copies, - but frob everything else back on generic code. */ - if (dealign != sealign) { - cfb_copyarea(info, area); - return; - } - - /* We begin the copy with the trailing pixels of the - unaligned destination. */ - mask_first = (1ul << dealign) - 1; - left = width - dealign; - - /* Care for small copies. */ - if (dealign > width) { - mask_first ^= (1ul << (dealign - width)) - 1; - left = 0; - } + depos = dy * line_length + dx; + sepos = sy * line_length + sx; + if (backward) + depos += width, sepos += width; /* Next copy full words at a time. */ - n32 = left / 32; - left %= 32; + n32 = width / 32; + last_step = width % 32; /* Finally copy the unaligned head of the span. */ - mask_last = -1 << (32 - left); + mask_last = (1ul << last_step) - 1; + + if (!backward) { + step = 32; + last_step = 32; + } else { + step = -32; + last_step = -last_step; + sepos -= 32; + depos -= 32; + } tga_regs = par->tga_regs_base; tga_fb = par->tga_fb_base; @@ -1368,25 +1206,33 @@ copyarea_backward_8bpp(struct fb_info *info, u32 dx, u32 dy, u32 sx, u32 sy, sfb = tga_fb + sepos; dfb = tga_fb + depos; - if (mask_first) { - __raw_writel(mask_first, sfb); - wmb(); - __raw_writel(mask_first, dfb); - wmb(); - } - for (j = 0; j < n32; ++j) { - sfb -= 32; - dfb -= 32; + for (j = 0; j < n32; j++) { + if (j < 2 && j + 1 < n32 && !backward && + !(((unsigned long)sfb | (unsigned long)dfb) & 63)) { + do { + __raw_writel(sfb - tga_fb, tga_regs+TGA_COPY64_SRC); + wmb(); + __raw_writel(dfb - tga_fb, tga_regs+TGA_COPY64_DST); + wmb(); + sfb += 64; + dfb += 64; + j += 2; + } while (j + 1 < n32); + j--; + continue; + } __raw_writel(0xffffffff, sfb); wmb(); __raw_writel(0xffffffff, dfb); wmb(); + sfb += step; + dfb += step; } if (mask_last) { - sfb -= 32; - dfb -= 32; + sfb += last_step - step; + dfb += last_step - step; __raw_writel(mask_last, sfb); wmb(); __raw_writel(mask_last, dfb); @@ -1447,14 +1293,9 @@ tgafb_copyarea(struct fb_info *info, const struct fb_copyarea *area) else if (bpp == 32) cfb_copyarea(info, area); - /* Detect overlapping source and destination that requires - a backward copy. */ - else if (dy == sy && dx > sx && dx < sx + width) - copyarea_backward_8bpp(info, dx, dy, sx, sy, height, - width, line_length, area); else - copyarea_foreward_8bpp(info, dx, dy, sx, sy, height, - width, line_length); + copyarea_8bpp(info, dx, dy, sx, sy, height, + width, line_length, area); } @@ -1470,6 +1311,7 @@ tgafb_init_fix(struct fb_info *info) int tga_bus_tc = TGA_BUS_TC(par->dev); u8 tga_type = par->tga_type; const char *tga_type_name = NULL; + unsigned memory_size; switch (tga_type) { case TGA_TYPE_8PLANE: @@ -1477,22 +1319,27 @@ tgafb_init_fix(struct fb_info *info) tga_type_name = "Digital ZLXp-E1"; if (tga_bus_tc) tga_type_name = "Digital ZLX-E1"; + memory_size = 2097152; break; case TGA_TYPE_24PLANE: if (tga_bus_pci) tga_type_name = "Digital ZLXp-E2"; if (tga_bus_tc) tga_type_name = "Digital ZLX-E2"; + memory_size = 8388608; break; case TGA_TYPE_24PLUSZ: if (tga_bus_pci) tga_type_name = "Digital ZLXp-E3"; if (tga_bus_tc) tga_type_name = "Digital ZLX-E3"; + memory_size = 16777216; break; } - if (!tga_type_name) + if (!tga_type_name) { tga_type_name = "Unknown"; + memory_size = 16777216; + } strlcpy(info->fix.id, tga_type_name, sizeof(info->fix.id)); @@ -1502,9 +1349,8 @@ tgafb_init_fix(struct fb_info *info) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR); - info->fix.line_length = par->xres * (par->bits_per_pixel >> 3); info->fix.smem_start = (size_t) par->tga_fb_base; - info->fix.smem_len = info->fix.line_length * par->yres; + info->fix.smem_len = memory_size; info->fix.mmio_start = (size_t) par->tga_regs_base; info->fix.mmio_len = 512; @@ -1628,6 +1474,9 @@ static int tgafb_register(struct device *dev) modedb_tga = &modedb_tc; modedbsize_tga = 1; } + + tgafb_init_fix(info); + ret = fb_find_mode(&info->var, info, mode_option ? mode_option : mode_option_tga, modedb_tga, modedbsize_tga, NULL, @@ -1645,7 +1494,6 @@ static int tgafb_register(struct device *dev) } tgafb_set_par(info); - tgafb_init_fix(info); if (register_framebuffer(info) < 0) { printk(KERN_ERR "tgafb: Could not register framebuffer\n"); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 34bdabaecbd6..36e7859a31aa 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -310,6 +310,12 @@ static int balloon(void *_vballoon) else if (diff < 0) leak_balloon(vb, -diff); update_balloon_size(vb); + + /* + * For large balloon changes, we could spend a lot of time + * and always have work to do. Be nice if preempt disabled. + */ + cond_resched(); } return 0; } diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c index 9fa1f69dac13..61098cd5439e 100644 --- a/drivers/watchdog/ath79_wdt.c +++ b/drivers/watchdog/ath79_wdt.c @@ -20,6 +20,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bitops.h> +#include <linux/delay.h> #include <linux/errno.h> #include <linux/fs.h> #include <linux/init.h> @@ -91,6 +92,15 @@ static inline void ath79_wdt_keepalive(void) static inline void ath79_wdt_enable(void) { ath79_wdt_keepalive(); + + /* + * Updating the TIMER register requires a few microseconds + * on the AR934x SoCs at least. Use a small delay to ensure + * that the TIMER register is updated within the hardware + * before enabling the watchdog. + */ + udelay(2); + ath79_wdt_wr(WDOG_REG_CTRL, WDOG_CTRL_ACTION_FCR); /* flush write */ ath79_wdt_rr(WDOG_REG_CTRL); diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c index 20dc73844737..d9c1a1601926 100644 --- a/drivers/watchdog/kempld_wdt.c +++ b/drivers/watchdog/kempld_wdt.c @@ -162,7 +162,7 @@ static int kempld_wdt_set_stage_timeout(struct kempld_wdt_data *wdt_data, kempld_get_mutex(pld); stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id)); stage_cfg &= ~STAGE_CFG_PRESCALER_MASK; - stage_cfg |= STAGE_CFG_SET_PRESCALER(prescaler); + stage_cfg |= STAGE_CFG_SET_PRESCALER(PRESCALER_21); kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg); kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id), stage_timeout); diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index 3f786ce0a6f2..88bcdfb9f68f 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -60,7 +60,6 @@ * @adev: amba device structure of wdt * @status: current status of wdt * @load_val: load value to be set for current timeout - * @timeout: current programmed timeout */ struct sp805_wdt { struct watchdog_device wdd; @@ -69,7 +68,6 @@ struct sp805_wdt { struct clk *clk; struct amba_device *adev; unsigned int load_val; - unsigned int timeout; }; static bool nowayout = WATCHDOG_NOWAYOUT; @@ -99,7 +97,7 @@ static int wdt_setload(struct watchdog_device *wdd, unsigned int timeout) spin_lock(&wdt->lock); wdt->load_val = load; /* roundup timeout to closest positive integer value */ - wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate); + wdd->timeout = div_u64((load + 1) * 2 + (rate / 2), rate); spin_unlock(&wdt->lock); return 0; diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c index 1de2a191b395..640b3cf1a338 100644 --- a/drivers/xen/events/events_fifo.c +++ b/drivers/xen/events/events_fifo.c @@ -66,7 +66,22 @@ static DEFINE_PER_CPU(struct evtchn_fifo_queue, cpu_queue); static event_word_t *event_array[MAX_EVENT_ARRAY_PAGES] __read_mostly; static unsigned event_array_pages __read_mostly; +/* + * sync_set_bit() and friends must be unsigned long aligned on non-x86 + * platforms. + */ +#if !defined(CONFIG_X86) && BITS_PER_LONG > 32 + +#define BM(w) (unsigned long *)((unsigned long)w & ~0x7UL) +#define EVTCHN_FIFO_BIT(b, w) \ + (((unsigned long)w & 0x4UL) ? (EVTCHN_FIFO_ ##b + 32) : EVTCHN_FIFO_ ##b) + +#else + #define BM(w) ((unsigned long *)(w)) +#define EVTCHN_FIFO_BIT(b, w) EVTCHN_FIFO_ ##b + +#endif static inline event_word_t *event_word_from_port(unsigned port) { @@ -161,33 +176,38 @@ static void evtchn_fifo_bind_to_cpu(struct irq_info *info, unsigned cpu) static void evtchn_fifo_clear_pending(unsigned port) { event_word_t *word = event_word_from_port(port); - sync_clear_bit(EVTCHN_FIFO_PENDING, BM(word)); + sync_clear_bit(EVTCHN_FIFO_BIT(PENDING, word), BM(word)); } static void evtchn_fifo_set_pending(unsigned port) { event_word_t *word = event_word_from_port(port); - sync_set_bit(EVTCHN_FIFO_PENDING, BM(word)); + sync_set_bit(EVTCHN_FIFO_BIT(PENDING, word), BM(word)); } static bool evtchn_fifo_is_pending(unsigned port) { event_word_t *word = event_word_from_port(port); - return sync_test_bit(EVTCHN_FIFO_PENDING, BM(word)); + return sync_test_bit(EVTCHN_FIFO_BIT(PENDING, word), BM(word)); } static bool evtchn_fifo_test_and_set_mask(unsigned port) { event_word_t *word = event_word_from_port(port); - return sync_test_and_set_bit(EVTCHN_FIFO_MASKED, BM(word)); + return sync_test_and_set_bit(EVTCHN_FIFO_BIT(MASKED, word), BM(word)); } static void evtchn_fifo_mask(unsigned port) { event_word_t *word = event_word_from_port(port); - sync_set_bit(EVTCHN_FIFO_MASKED, BM(word)); + sync_set_bit(EVTCHN_FIFO_BIT(MASKED, word), BM(word)); } +static bool evtchn_fifo_is_masked(unsigned port) +{ + event_word_t *word = event_word_from_port(port); + return sync_test_bit(EVTCHN_FIFO_BIT(MASKED, word), BM(word)); +} /* * Clear MASKED, spinning if BUSY is set. */ @@ -211,7 +231,7 @@ static void evtchn_fifo_unmask(unsigned port) BUG_ON(!irqs_disabled()); clear_masked(word); - if (sync_test_bit(EVTCHN_FIFO_PENDING, BM(word))) { + if (evtchn_fifo_is_pending(port)) { struct evtchn_unmask unmask = { .port = port }; (void)HYPERVISOR_event_channel_op(EVTCHNOP_unmask, &unmask); } @@ -247,7 +267,7 @@ static void handle_irq_for_port(unsigned port) static void consume_one_event(unsigned cpu, struct evtchn_fifo_control_block *control_block, - unsigned priority, uint32_t *ready) + unsigned priority, unsigned long *ready) { struct evtchn_fifo_queue *q = &per_cpu(cpu_queue, cpu); uint32_t head; @@ -277,10 +297,9 @@ static void consume_one_event(unsigned cpu, * copy of the ready word. */ if (head == 0) - clear_bit(priority, BM(ready)); + clear_bit(priority, ready); - if (sync_test_bit(EVTCHN_FIFO_PENDING, BM(word)) - && !sync_test_bit(EVTCHN_FIFO_MASKED, BM(word))) + if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port)) handle_irq_for_port(port); q->head[priority] = head; @@ -289,7 +308,7 @@ static void consume_one_event(unsigned cpu, static void evtchn_fifo_handle_events(unsigned cpu) { struct evtchn_fifo_control_block *control_block; - uint32_t ready; + unsigned long ready; unsigned q; control_block = per_cpu(cpu_control_block, cpu); |