3 files changed, 62 insertions, 57 deletions

diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index b4f03f91b0b0..7ddd93463a2e 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -198,6 +198,31 @@ int acpi_device_power_state(struct device *dev, struct acpi_device *adev,
 }
 EXPORT_SYMBOL_GPL(acpi_device_power_state);
 
+/**
+ * acpi_pm_device_sleep_state - Get preferred power state of ACPI device.
+ * @dev: Device whose preferred target power state to return.
+ * @d_min_p: Location to store the upper limit of the allowed states range.
+ * @d_max_in: Deepest low-power state to take into consideration.
+ * Return value: Preferred power state of the device on success, -ENODEV
+ * (if there's no 'struct acpi_device' for @dev) or -EINVAL on failure
+ *
+ * The caller must ensure that @dev is valid before using this function.
+ */
+int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)
+{
+        acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
+        struct acpi_device *adev;
+
+        if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+                dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
+                return -ENODEV;
+        }
+
+        return acpi_device_power_state(dev, adev, acpi_target_system_state(),
+                                       d_max_in, d_min_p);
+}
+EXPORT_SYMBOL(acpi_pm_device_sleep_state);
+
 #ifdef CONFIG_PM_RUNTIME
 /**
  * __acpi_device_run_wake - Enable/disable runtime remote wakeup for device.
@@ -274,4 +299,33 @@ int __acpi_device_sleep_wake(struct acpi_device *adev, u32 target_state,
                 acpi_enable_wakeup_device_power(adev, target_state) :
                 acpi_disable_wakeup_device_power(adev);
 }
+
+/**
+ * acpi_pm_device_sleep_wake - Enable or disable device to wake up the system.
+ * @dev: Device to enable/desible to wake up the system from sleep states.
+ * @enable: Whether to enable or disable @dev to wake up the system.
+ */
+int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
+{
+        acpi_handle handle;
+        struct acpi_device *adev;
+        int error;
+
+        if (!device_can_wakeup(dev))
+                return -EINVAL;
+
+        handle = DEVICE_ACPI_HANDLE(dev);
+        if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+                dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
+                return -ENODEV;
+        }
+
+        error = __acpi_device_sleep_wake(adev, acpi_target_system_state(),
+                                         enable);
+        if (!error)
+                dev_info(dev, "System wakeup %s by ACPI\n",
+                                enable ? "enabled" : "disabled");
+
+        return error;
+}
 #endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 77c517f6f6d0..13a285dffaca 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -80,6 +80,12 @@ static int acpi_sleep_prepare(u32 acpi_state)
 
 #ifdef CONFIG_ACPI_SLEEP
 static u32 acpi_target_sleep_state = ACPI_STATE_S0;
+
+u32 acpi_target_system_state(void)
+{
+        return acpi_target_sleep_state;
+}
+
 static bool pwr_btn_event_pending;
 
 /*
@@ -680,63 +686,6 @@ int acpi_suspend(u32 acpi_state)
         return -EINVAL;
 }
 
-#ifdef CONFIG_PM
-/**
- * acpi_pm_device_sleep_state - Get preferred power state of ACPI device.
- * @dev: Device whose preferred target power state to return.
- * @d_min_p: Location to store the upper limit of the allowed states range.
- * @d_max_in: Deepest low-power state to take into consideration.
- * Return value: Preferred power state of the device on success, -ENODEV
- * (if there's no 'struct acpi_device' for @dev) or -EINVAL on failure
- *
- * The caller must ensure that @dev is valid before using this function.
- */
-int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)
-{
-        acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
-        struct acpi_device *adev;
-
-        if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
-                dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
-                return -ENODEV;
-        }
-
-        return acpi_device_power_state(dev, adev, acpi_target_sleep_state,
-                                       d_max_in, d_min_p);
-}
-EXPORT_SYMBOL(acpi_pm_device_sleep_state);
-#endif /* CONFIG_PM */
-
-#ifdef CONFIG_PM_SLEEP
-/**
- * acpi_pm_device_sleep_wake - Enable or disable device to wake up the system.
- * @dev: Device to enable/desible to wake up the system from sleep states.
- * @enable: Whether to enable or disable @dev to wake up the system.
- */
-int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
-{
-        acpi_handle handle;
-        struct acpi_device *adev;
-        int error;
-
-        if (!device_can_wakeup(dev))
-                return -EINVAL;
-
-        handle = DEVICE_ACPI_HANDLE(dev);
-        if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
-                dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
-                return -ENODEV;
-        }
-
-        error = __acpi_device_sleep_wake(adev, acpi_target_sleep_state, enable);
-        if (!error)
-                dev_info(dev, "System wakeup %s by ACPI\n",
-                                enable ? "enabled" : "disabled");
-
-        return error;
-}
-#endif  /* CONFIG_PM_SLEEP */
-
 static void acpi_power_off_prepare(void)
 {
         /* Prepare to power off the system */
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 35812b6e0427..bf8709a1844d 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -470,9 +470,11 @@ static inline int acpi_pm_device_run_wake(struct device *dev, bool enable)
 #endif
 
 #ifdef CONFIG_PM_SLEEP
+u32 acpi_target_system_state(void);
 int __acpi_device_sleep_wake(struct acpi_device *, u32, bool);
 int acpi_pm_device_sleep_wake(struct device *, bool);
 #else
+static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; }
 static inline int __acpi_device_sleep_wake(struct acpi_device *adev,
                                            u32 target_state, bool enable)
 {