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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-06-11 09:01:34 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-06-11 09:01:34 +0200 |
| commit | c598d5eb9fb331ba17bc9ad67ae9a2231ca5aca5 (patch) | |
| tree | a5b6f4655cde4f19b6b157aa455723c0329bd719 /include/linux/device/devres.h | |
| parent | 29a9b3a504c0d18bcc7f0547371409e9dcbc045e (diff) | |
| parent | 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 (diff) | |
Merge drm/drm-next into drm-misc-next
Backmerging to forward to v6.16-rc1
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/device/devres.h')
| -rw-r--r-- | include/linux/device/devres.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 9b49f9915850..ae696d10faff 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -8,6 +8,7 @@ #include <linux/overflow.h> #include <linux/stdarg.h> #include <linux/types.h> +#include <asm/bug.h> struct device; struct device_node; @@ -126,4 +127,44 @@ void __iomem *devm_of_iomap(struct device *dev, struct device_node *node, int in #endif +/* allows to add/remove a custom action to devres stack */ +int devm_remove_action_nowarn(struct device *dev, void (*action)(void *), void *data); + +/** + * devm_remove_action() - removes previously added custom action + * @dev: Device that owns the action + * @action: Function implementing the action + * @data: Pointer to data passed to @action implementation + * + * Removes instance of @action previously added by devm_add_action(). + * Both action and data should match one of the existing entries. + */ +static inline +void devm_remove_action(struct device *dev, void (*action)(void *), void *data) +{ + WARN_ON(devm_remove_action_nowarn(dev, action, 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(dev, action, data) \ + __devm_add_action(dev, action, data, #action) + +static inline int __devm_add_action_or_reset(struct device *dev, void (*action)(void *), + void *data, const char *name) +{ + int ret; + + ret = __devm_add_action(dev, action, data, name); + if (ret) + action(data); + + return ret; +} +#define devm_add_action_or_reset(dev, action, data) \ + __devm_add_action_or_reset(dev, action, data, #action) + +bool devm_is_action_added(struct device *dev, void (*action)(void *), void *data); + #endif /* _DEVICE_DEVRES_H_ */ |
