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authorLin Ming <ming.m.lin@intel.com>2012-03-27 15:43:25 +0800
committerLen Brown <len.brown@intel.com>2012-03-30 02:21:18 -0400
commitb24e5098853653554baf6ec975b9e855f3d6e5c0 (patch)
treebe93ad39b826c64907bb48dceea034db5b91fc24
parent0090def6c37c8ea29508a435e581f2ef26fea10f (diff)
ACPI, PCI: Move acpi_dev_run_wake() to ACPI core
acpi_dev_run_wake() is a generic function which can be used by other subsystem too. Rename it to acpi_pm_device_run_wake, to be consistent with acpi_pm_device_sleep_wake. Then move it to ACPI core. Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--drivers/acpi/sleep.c35
-rw-r--r--drivers/pci/pci-acpi.c40
-rw-r--r--include/acpi/acpi_bus.h5
3 files changed, 43 insertions, 37 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index ca191ff9784..00fa664d5fd 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -17,6 +17,7 @@
#include <linux/suspend.h>
#include <linux/reboot.h>
#include <linux/acpi.h>
+#include <linux/pm_runtime.h>
#include <asm/io.h>
@@ -730,6 +731,40 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
#ifdef CONFIG_PM_SLEEP
/**
+ * acpi_pm_device_run_wake - Enable/disable wake-up for given device.
+ * @phys_dev: Device to enable/disable the platform to wake-up the system for.
+ * @enable: Whether enable or disable the wake-up functionality.
+ *
+ * Find the ACPI device object corresponding to @pci_dev and try to
+ * enable/disable the GPE associated with it.
+ */
+int acpi_pm_device_run_wake(struct device *phys_dev, bool enable)
+{
+ struct acpi_device *dev;
+ acpi_handle handle;
+
+ if (!device_run_wake(phys_dev))
+ return -EINVAL;
+
+ handle = DEVICE_ACPI_HANDLE(phys_dev);
+ if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &dev))) {
+ dev_dbg(phys_dev, "ACPI handle has no context in %s!\n",
+ __func__);
+ return -ENODEV;
+ }
+
+ if (enable) {
+ acpi_enable_wakeup_device_power(dev, ACPI_STATE_S0);
+ acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number);
+ } else {
+ acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number);
+ acpi_disable_wakeup_device_power(dev);
+ }
+
+ return 0;
+}
+
+/**
* acpi_pm_device_sleep_wake - enable or disable the system wake-up
* capability of given device
* @dev: device to handle
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 060fd22a110..0f150f271c2 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -277,40 +277,6 @@ static int acpi_pci_sleep_wake(struct pci_dev *dev, bool enable)
return 0;
}
-/**
- * acpi_dev_run_wake - Enable/disable wake-up for given device.
- * @phys_dev: Device to enable/disable the platform to wake-up the system for.
- * @enable: Whether enable or disable the wake-up functionality.
- *
- * Find the ACPI device object corresponding to @pci_dev and try to
- * enable/disable the GPE associated with it.
- */
-static int acpi_dev_run_wake(struct device *phys_dev, bool enable)
-{
- struct acpi_device *dev;
- acpi_handle handle;
-
- if (!device_run_wake(phys_dev))
- return -EINVAL;
-
- handle = DEVICE_ACPI_HANDLE(phys_dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &dev))) {
- dev_dbg(phys_dev, "ACPI handle has no context in %s!\n",
- __func__);
- return -ENODEV;
- }
-
- if (enable) {
- acpi_enable_wakeup_device_power(dev, ACPI_STATE_S0);
- acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number);
- } else {
- acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number);
- acpi_disable_wakeup_device_power(dev);
- }
-
- return 0;
-}
-
static void acpi_pci_propagate_run_wake(struct pci_bus *bus, bool enable)
{
while (bus->parent) {
@@ -318,14 +284,14 @@ static void acpi_pci_propagate_run_wake(struct pci_bus *bus, bool enable)
if (bridge->pme_interrupt)
return;
- if (!acpi_dev_run_wake(&bridge->dev, enable))
+ if (!acpi_pm_device_run_wake(&bridge->dev, enable))
return;
bus = bus->parent;
}
/* We have reached the root bus. */
if (bus->bridge)
- acpi_dev_run_wake(bus->bridge, enable);
+ acpi_pm_device_run_wake(bus->bridge, enable);
}
static int acpi_pci_run_wake(struct pci_dev *dev, bool enable)
@@ -333,7 +299,7 @@ static int acpi_pci_run_wake(struct pci_dev *dev, bool enable)
if (dev->pme_interrupt)
return 0;
- if (!acpi_dev_run_wake(&dev->dev, enable))
+ if (!acpi_pm_device_run_wake(&dev->dev, enable))
return 0;
acpi_pci_propagate_run_wake(dev->bus, enable);
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index e168fffe1db..f1c8ca60e82 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -394,8 +394,13 @@ static inline int acpi_pm_device_sleep_state(struct device *d, int *p)
#endif
#ifdef CONFIG_PM_SLEEP
+int acpi_pm_device_run_wake(struct device *, bool);
int acpi_pm_device_sleep_wake(struct device *, bool);
#else
+static inline int acpi_pm_device_run_wake(struct device *dev, bool enable)
+{
+ return -ENODEV;
+}
static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
{
return -ENODEV;