diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2025-02-20 19:20:26 +0300 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-04-28 10:30:40 +0300 |
| commit | f5e5631df596ade5875ba1dc5d640611745d0c0d (patch) | |
| tree | ca04a511d94c43d82a844ff8b60399b389fae720 /include/linux/device/devres.h | |
| parent | 0af2f6be1b4281385b618cb86ad946eded089ac8 (diff) | |
| download | linux-f5e5631df596ade5875ba1dc5d640611745d0c0d.tar.xz | |
devres: Move devm_*_action*() APIs to devres.h
We have a newly created header linux/device/devres.h that gathers
device managed APIs, so users won't need to include entire device.h
for only these ones. Move devm_*_action*() APIs to devres.h as well.
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Zijun Hu <quic_zijuhu@quicinc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250220162238.2738038-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'include/linux/device/devres.h')
| -rw-r--r-- | include/linux/device/devres.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 9b49f9915850..9cd1787ef28e 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 +127,42 @@ 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) + #endif /* _DEVICE_DEVRES_H_ */ |