Commit cd7bd02d authored by Rafael J. Wysocki's avatar Rafael J. Wysocki

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: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 86b3832c
...@@ -26,6 +26,7 @@ ...@@ -26,6 +26,7 @@
#include <linux/export.h> #include <linux/export.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/pm_qos.h> #include <linux/pm_qos.h>
#include <linux/pm_runtime.h>
#include <acpi/acpi.h> #include <acpi/acpi.h>
#include <acpi/acpi_bus.h> #include <acpi/acpi_bus.h>
...@@ -196,3 +197,41 @@ int acpi_device_power_state(struct device *dev, struct acpi_device *adev, ...@@ -196,3 +197,41 @@ int acpi_device_power_state(struct device *dev, struct acpi_device *adev,
return d_max; return d_max;
} }
EXPORT_SYMBOL_GPL(acpi_device_power_state); 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 */
...@@ -18,7 +18,6 @@ ...@@ -18,7 +18,6 @@
#include <linux/reboot.h> #include <linux/reboot.h>
#include <linux/acpi.h> #include <linux/acpi.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/pm_runtime.h>
#include <asm/io.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) ...@@ -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); EXPORT_SYMBOL(acpi_pm_device_sleep_state);
#endif /* CONFIG_PM */ #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 #ifdef CONFIG_PM_SLEEP
/** /**
* acpi_pm_device_sleep_wake - Enable or disable device to wake up the system. * acpi_pm_device_sleep_wake - Enable or disable device to wake up the system.
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment