PM: runtime: Add new devm functions

Add `devm_pm_runtime_set_active_enabled()` and
`devm_pm_runtime_get_noresume()` for simplifying
common cases in drivers.

Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://patch.msgid.link/20250327195928.680771-3-csokas.bence@prolan.hu
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 0e127b0329c00c8df08fb5de20b71aabfeddf345..205a4f8828b0acc577ac9427500c9a6314e461df 100644 (file)
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1568,6 +1568,32 @@ out:
 }
 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_enabled - set_active version of devm_pm_runtime_enable.
+ *
+ * @dev: Device to handle.
+ */
+int devm_pm_runtime_set_active_enabled(struct device *dev)
+{
+       int err;
+
+       err = pm_runtime_set_active(dev);
+       if (err)
+               return err;
+
+       err = devm_add_action_or_reset(dev, pm_runtime_set_suspended_action, dev);
+       if (err)
+               return err;
+
+       return devm_pm_runtime_enable(dev);
+}
+EXPORT_SYMBOL_GPL(devm_pm_runtime_set_active_enabled);
+
 static void pm_runtime_disable_action(void *data)
 {
        pm_runtime_dont_use_autosuspend(data);
@@ -1590,6 +1616,24 @@ 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 7fb5a459847ef3bdaf89a6b9be8dc0474199c577..756b842dcd3091794e3d0b9b57cc8c251bee3f7e 100644 (file)
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -96,7 +96,9 @@ 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_enabled(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.
@@ -294,7 +296,9 @@ static inline bool pm_runtime_blocked(struct device *dev) { return true; }
 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_enabled(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) {}