devres: Pass unique name of the resource to devm_add_action()

Pass the unique name of the resource to devm_add_action(),
so it will be easier to debug managed resources.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230224200745.17324-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index c0e1000..5c998cf 100644 (file)
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -722,20 +722,21 @@ static void devm_action_release(struct device *dev, void *res)
 }
 
 /**
- * devm_add_action() - add a custom action to list of managed resources
+ * __devm_add_action() - add a custom action to list of managed resources
  * @dev: Device that owns the action
  * @action: Function that should be called
  * @data: Pointer to data passed to @action implementation
+ * @name: Name of the resource (for debugging purposes)
  *
  * This adds a custom action to the list of managed resources so that
  * it gets executed as part of standard resource unwinding.
  */
-int devm_add_action(struct device *dev, void (*action)(void *), void *data)
+int __devm_add_action(struct device *dev, void (*action)(void *), void *data, const char *name)
 {
        struct action_devres *devres;
 
-       devres = devres_alloc(devm_action_release,
-                             sizeof(struct action_devres), GFP_KERNEL);
+       devres = __devres_alloc_node(devm_action_release, sizeof(struct action_devres),
+                                    GFP_KERNEL, NUMA_NO_NODE, name);
        if (!devres)
                return -ENOMEM;
 
@@ -745,7 +746,7 @@ int devm_add_action(struct device *dev, void (*action)(void *), void *data)
        devres_add(dev, devres);
        return 0;
 }
-EXPORT_SYMBOL_GPL(devm_add_action);
+EXPORT_SYMBOL_GPL(__devm_add_action);
 
 /**
  * devm_remove_action() - removes previously added custom action

diff --git a/include/linux/device.h b/include/linux/device.h
index 19b6ba4..0f12852 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -243,10 +243,13 @@ void __iomem *devm_of_iomap(struct device *dev,
                            resource_size_t *size);
 
 /* allows to add/remove a custom action to devres stack */
-int devm_add_action(struct device *dev, void (*action)(void *), void *data);
 void devm_remove_action(struct device *dev, void (*action)(void *), void *data);
 void devm_release_action(struct device *dev, void (*action)(void *), void *data);
 
+int __devm_add_action(struct device *dev, void (*action)(void *), void *data, const char *name);
+#define devm_add_action(release, action, data) \
+       __devm_add_action(release, action, data, #action)
+
 static inline int devm_add_action_or_reset(struct device *dev,
                                           void (*action)(void *), void *data)
 {