Add `devm_pm_runtime_set_active()` and
`devm_pm_runtime_get_noresume()` for
simplifying common use cases in drivers.
Signed-off-by: Bence Csókás <csokas.bence@xxxxxxxxx>
---
drivers/base/power/runtime.c | 36 ++++++++++++++++++++++++++++++++++++
include/linux/pm_runtime.h | 4 ++++
2 files changed, 40 insertions(+)
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 2ee45841486b..f0a6c64bec19 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1545,6 +1545,24 @@ void pm_runtime_enable(struct device *dev)
}
EXPORT_SYMBOL_GPL(pm_runtime_enable);
+static void pm_runtime_set_suspended_action(void *data)
+{
+ pm_runtime_set_suspended(data);
+}
+
+/**
+ * devm_pm_runtime_set_active - devres-enabled version of pm_runtime_set_active.
+ *
+ * @dev: Device to handle.
+ */
+int devm_pm_runtime_set_active(struct device *dev)
+{
+ pm_runtime_set_active(dev);
+
+ return devm_add_action_or_reset(dev, pm_runtime_set_suspended_action, dev);
+}
+EXPORT_SYMBOL_GPL(devm_pm_runtime_set_active);
+
static void pm_runtime_disable_action(void *data)
{
pm_runtime_dont_use_autosuspend(data);
@@ -1567,6 +1585,24 @@ int devm_pm_runtime_enable(struct device *dev)
}
EXPORT_SYMBOL_GPL(devm_pm_runtime_enable);
+static void pm_runtime_put_noidle_action(void *data)
+{
+ pm_runtime_put_noidle(data);
+}
+
+/**
+ * devm_pm_runtime_get_noresume - devres-enabled version of pm_runtime_get_noresume.
+ *
+ * @dev: Device to handle.
+ */
+int devm_pm_runtime_get_noresume(struct device *dev)
+{
+ pm_runtime_get_noresume(dev);
+
+ return devm_add_action_or_reset(dev, pm_runtime_put_noidle_action, dev);
+}
+EXPORT_SYMBOL_GPL(devm_pm_runtime_get_noresume);
+
/**
* pm_runtime_forbid - Block runtime PM of a device.
* @dev: Device to handle.
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index d39dc863f612..d7eca86150b8 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -93,7 +93,9 @@ extern void pm_runtime_new_link(struct device *dev);
extern void pm_runtime_drop_link(struct device_link *link);
extern void pm_runtime_release_supplier(struct device_link *link);
+int devm_pm_runtime_set_active(struct device *dev);
extern int devm_pm_runtime_enable(struct device *dev);
+int devm_pm_runtime_get_noresume(struct device *dev);
/**
* pm_suspend_ignore_children - Set runtime PM behavior regarding children.
@@ -276,7 +278,9 @@ static inline void __pm_runtime_disable(struct device *dev, bool c) {}
static inline void pm_runtime_allow(struct device *dev) {}
static inline void pm_runtime_forbid(struct device *dev) {}
+static inline int devm_pm_runtime_set_active(struct device *dev) { return 0; }
static inline int devm_pm_runtime_enable(struct device *dev) { return 0; }
+static inline int devm_pm_runtime_get_noresume(struct device *dev) { return 0; }
static inline void pm_suspend_ignore_children(struct device *dev, bool enable) {}
static inline void pm_runtime_get_noresume(struct device *dev) {}
--
2.48.1
