ACPI, PCI: Move acpi_dev_run_wake() to ACPI core
authorLin Ming <ming.m.lin@intel.com>
Tue, 27 Mar 2012 07:43:25 +0000 (15:43 +0800)
committerLen Brown <len.brown@intel.com>
Fri, 30 Mar 2012 06:21:18 +0000 (02:21 -0400)
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>
drivers/acpi/sleep.c
drivers/pci/pci-acpi.c
include/acpi/acpi_bus.h

index ca191ff..00fa664 100644 (file)
@@ -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
index 060fd22..0f150f2 100644 (file)
@@ -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);
index e168fff..f1c8ca6 100644 (file)
@@ -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;