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ACPI, PCI: Move acpi_dev_run_wake() to ACPI core

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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>
This commit is contained in:
Lin Ming
2012-03-27 15:43:25 +08:00
committed by Len Brown
parent 0090def6c3
commit b24e509885
3 changed files with 43 additions and 37 deletions
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35
drivers/acpi/sleep.c
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@@ -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>
@@ -729,6 +730,40 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
#endif /* CONFIG_PM */
#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