diff options
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 27da63061e11..af658b2ff279 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -237,10 +237,12 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source) mutex_lock(&acpi_scan_lock); - acpi_bus_get_device(handle, &device); - if (device) { - dev_warn(&device->dev, "Attempt to re-insert\n"); - goto out; + if (ost_source != ACPI_NOTIFY_BUS_CHECK) { + acpi_bus_get_device(handle, &device); + if (device) { + dev_warn(&device->dev, "Attempt to re-insert\n"); + goto out; + } } acpi_evaluate_hotplug_ost(handle, ost_source, ACPI_OST_SC_INSERT_IN_PROGRESS, NULL); @@ -1890,6 +1892,9 @@ static acpi_status acpi_bus_device_attach(acpi_handle handle, u32 lvl_not_used, if (acpi_bus_get_device(handle, &device)) return AE_CTRL_DEPTH; + if (device->handler) + return AE_OK; + ret = acpi_scan_attach_handler(device); if (ret) return ret > 0 ? AE_OK : AE_CTRL_DEPTH; @@ -2040,6 +2045,7 @@ int __init acpi_scan_init(void) acpi_pci_link_init(); acpi_platform_init(); acpi_lpss_init(); + acpi_cmos_rtc_init(); acpi_container_init(); acpi_memory_hotplug_init(); acpi_dock_init(); |