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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-05-23 10:33:44 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-05-23 10:33:44 +0200
commitf1a0b8310c99a0e3d579e61d81870caec058db46 (patch)
tree6bfe155bb1f67c0c798428c93520eca8973738cf
parentc7788792a5e7b0d5d7f96d0766b4cb6112d47d75 (diff)
parentc8f6d8351ba8c89d5cd4c562552ec7ec29274e31 (diff)
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Merge branch 'acpi-fixes'
* acpi-fixes: ACPI / video: Add "Asus UL30A" to ACPI video detect blacklist ACPI / PM: Allow device power states to be used for CONFIG_PM unset
-rw-r--r--drivers/acpi/Makefile2
-rw-r--r--drivers/acpi/device_pm.c126
-rw-r--r--drivers/acpi/video_detect.c8
-rw-r--r--include/acpi/acpi_bus.h40
4 files changed, 78 insertions, 98 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index ecb743bf05a5..7cad994ee44f 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -24,7 +24,7 @@ acpi-y += nvs.o
# Power management related files
acpi-y += wakeup.o
acpi-y += sleep.o
-acpi-$(CONFIG_PM) += device_pm.o
+acpi-y += device_pm.o
acpi-$(CONFIG_ACPI_SLEEP) += proc.o
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 96de787e6104..bc493aa3af19 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -37,68 +37,6 @@
#define _COMPONENT ACPI_POWER_COMPONENT
ACPI_MODULE_NAME("device_pm");
-static DEFINE_MUTEX(acpi_pm_notifier_lock);
-
-/**
- * acpi_add_pm_notifier - Register PM notifier for given ACPI device.
- * @adev: ACPI device to add the notifier for.
- * @context: Context information to pass to the notifier routine.
- *
- * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
- * PM wakeup events. For example, wakeup events may be generated for bridges
- * if one of the devices below the bridge is signaling wakeup, even if the
- * bridge itself doesn't have a wakeup GPE associated with it.
- */
-acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
- acpi_notify_handler handler, void *context)
-{
- acpi_status status = AE_ALREADY_EXISTS;
-
- mutex_lock(&acpi_pm_notifier_lock);
-
- if (adev->wakeup.flags.notifier_present)
- goto out;
-
- status = acpi_install_notify_handler(adev->handle,
- ACPI_SYSTEM_NOTIFY,
- handler, context);
- if (ACPI_FAILURE(status))
- goto out;
-
- adev->wakeup.flags.notifier_present = true;
-
- out:
- mutex_unlock(&acpi_pm_notifier_lock);
- return status;
-}
-
-/**
- * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
- * @adev: ACPI device to remove the notifier from.
- */
-acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
- acpi_notify_handler handler)
-{
- acpi_status status = AE_BAD_PARAMETER;
-
- mutex_lock(&acpi_pm_notifier_lock);
-
- if (!adev->wakeup.flags.notifier_present)
- goto out;
-
- status = acpi_remove_notify_handler(adev->handle,
- ACPI_SYSTEM_NOTIFY,
- handler);
- if (ACPI_FAILURE(status))
- goto out;
-
- adev->wakeup.flags.notifier_present = false;
-
- out:
- mutex_unlock(&acpi_pm_notifier_lock);
- return status;
-}
-
/**
* acpi_power_state_string - String representation of ACPI device power state.
* @state: ACPI device power state to return the string representation of.
@@ -385,6 +323,69 @@ bool acpi_bus_power_manageable(acpi_handle handle)
}
EXPORT_SYMBOL(acpi_bus_power_manageable);
+#ifdef CONFIG_PM
+static DEFINE_MUTEX(acpi_pm_notifier_lock);
+
+/**
+ * acpi_add_pm_notifier - Register PM notifier for given ACPI device.
+ * @adev: ACPI device to add the notifier for.
+ * @context: Context information to pass to the notifier routine.
+ *
+ * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
+ * PM wakeup events. For example, wakeup events may be generated for bridges
+ * if one of the devices below the bridge is signaling wakeup, even if the
+ * bridge itself doesn't have a wakeup GPE associated with it.
+ */
+acpi_status acpi_add_pm_notifier(struct acpi_device *adev,
+ acpi_notify_handler handler, void *context)
+{
+ acpi_status status = AE_ALREADY_EXISTS;
+
+ mutex_lock(&acpi_pm_notifier_lock);
+
+ if (adev->wakeup.flags.notifier_present)
+ goto out;
+
+ status = acpi_install_notify_handler(adev->handle,
+ ACPI_SYSTEM_NOTIFY,
+ handler, context);
+ if (ACPI_FAILURE(status))
+ goto out;
+
+ adev->wakeup.flags.notifier_present = true;
+
+ out:
+ mutex_unlock(&acpi_pm_notifier_lock);
+ return status;
+}
+
+/**
+ * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device.
+ * @adev: ACPI device to remove the notifier from.
+ */
+acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
+ acpi_notify_handler handler)
+{
+ acpi_status status = AE_BAD_PARAMETER;
+
+ mutex_lock(&acpi_pm_notifier_lock);
+
+ if (!adev->wakeup.flags.notifier_present)
+ goto out;
+
+ status = acpi_remove_notify_handler(adev->handle,
+ ACPI_SYSTEM_NOTIFY,
+ handler);
+ if (ACPI_FAILURE(status))
+ goto out;
+
+ adev->wakeup.flags.notifier_present = false;
+
+ out:
+ mutex_unlock(&acpi_pm_notifier_lock);
+ return status;
+}
+
bool acpi_bus_can_wakeup(acpi_handle handle)
{
struct acpi_device *device;
@@ -1023,3 +1024,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev)
mutex_unlock(&adev->physical_node_lock);
}
EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent);
+#endif /* CONFIG_PM */
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 66f67626f02e..e6bd910bc6ed 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -161,6 +161,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
},
},
+ {
+ .callback = video_detect_force_vendor,
+ .ident = "Asus UL30A",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
+ },
+ },
{ },
};
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 98db31d9f9b4..636c59f2003a 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -377,7 +377,6 @@ acpi_status acpi_bus_get_status_handle(acpi_handle handle,
unsigned long long *sta);
int acpi_bus_get_status(struct acpi_device *device);
-#ifdef CONFIG_PM
int acpi_bus_set_power(acpi_handle handle, int state);
const char *acpi_power_state_string(int state);
int acpi_device_get_power(struct acpi_device *device, int *state);
@@ -385,41 +384,12 @@ int acpi_device_set_power(struct acpi_device *device, int state);
int acpi_bus_init_power(struct acpi_device *device);
int acpi_bus_update_power(acpi_handle handle, int *state_p);
bool acpi_bus_power_manageable(acpi_handle handle);
+
+#ifdef CONFIG_PM
bool acpi_bus_can_wakeup(acpi_handle handle);
-#else /* !CONFIG_PM */
-static inline int acpi_bus_set_power(acpi_handle handle, int state)
-{
- return 0;
-}
-static inline const char *acpi_power_state_string(int state)
-{
- return "D0";
-}
-static inline int acpi_device_get_power(struct acpi_device *device, int *state)
-{
- return 0;
-}
-static inline int acpi_device_set_power(struct acpi_device *device, int state)
-{
- return 0;
-}
-static inline int acpi_bus_init_power(struct acpi_device *device)
-{
- return 0;
-}
-static inline int acpi_bus_update_power(acpi_handle handle, int *state_p)
-{
- return 0;
-}
-static inline bool acpi_bus_power_manageable(acpi_handle handle)
-{
- return false;
-}
-static inline bool acpi_bus_can_wakeup(acpi_handle handle)
-{
- return false;
-}
-#endif /* !CONFIG_PM */
+#else
+static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; }
+#endif
#ifdef CONFIG_ACPI_PROC_EVENT
int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);