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ACPI / PM: Move runtime remote wakeup setup routine to device_pm.c 

The ACPI function for setting up devices to do runtime remote
wakeup is now located in drivers/acpi/sleep.c, but
drivers/acpi/device_pm.c is a more logical place for it, so move it
there.

No functional changes should result from this modification.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2012-11-02 01:40:28 +01:00
parent 86b3832c64
commit cd7bd02d31
2 changed files with 39 additions and 39 deletions
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39
drivers/acpi/device_pm.c
View File

@ -26,6 +26,7 @@
#include <linux/export.h>
#include <linux/mutex.h>
#include <linux/pm_qos.h>
#include <linux/pm_runtime.h>
#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
@ -196,3 +197,41 @@ int acpi_device_power_state(struct device *dev, struct acpi_device *adev,
return d_max;
}
EXPORT_SYMBOL_GPL(acpi_device_power_state);
#ifdef CONFIG_PM_RUNTIME
/**
* acpi_pm_device_run_wake - Enable/disable remote wakeup for given device.
* @phys_dev: Device to enable/disable the platform to wake up.
* @enable: Whether to enable or disable the wakeup functionality.
*
* Find the ACPI device object corresponding to @phys_dev and try to
* enable/disable the GPE associated with it, so that it can generate
* wakeup signals for the device in response to external (remote) events.
*/
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;
}
EXPORT_SYMBOL(acpi_pm_device_run_wake);
#endif /* CONFIG_PM_RUNTIME */

39
drivers/acpi/sleep.c
View File

@ -18,7 +18,6 @@
#include <linux/reboot.h>
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <asm/io.h>
@ -708,44 +707,6 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)
EXPORT_SYMBOL(acpi_pm_device_sleep_state);
#endif /* CONFIG_PM */
#ifdef CONFIG_PM_RUNTIME
/**
* acpi_pm_device_run_wake - Enable/disable remote wakeup for given device.
* @phys_dev: Device to enable/disable the platform to wake up.
* @enable: Whether to enable or disable the wakeup functionality.
*
* Find the ACPI device object corresponding to @phys_dev and try to
* enable/disable the GPE associated with it, so that it can generate
* wakeup signals for the device in response to external (remote) events.
*/
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;
}
EXPORT_SYMBOL(acpi_pm_device_run_wake);
#endif /* CONFIG_PM_RUNTIME */
#ifdef CONFIG_PM_SLEEP
/**
* acpi_pm_device_sleep_wake - Enable or disable device to wake up the system.