| Message ID | 20250220162238.2738038-3-andriy.shevchenko@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/3] devres: Move devm_*_action*() APIs to devres.h | expand |
On 2/21/2025 12:20 AM, Andy Shevchenko wrote: > In some code we would like to know if the action in device managed resources > was added by devm_add_action() family of calls. Introduce a helper for that. > > Reviewed-by: Raag Jadav <raag.jadav@intel.com> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- > drivers/base/devres.c | 11 +++++++++++ > include/linux/device/devres.h | 2 ++ > 2 files changed, 13 insertions(+) > > diff --git a/drivers/base/devres.c b/drivers/base/devres.c > index 93e7779ef21e..7c2babfa9396 100644 > --- a/drivers/base/devres.c > +++ b/drivers/base/devres.c > @@ -749,6 +749,17 @@ int __devm_add_action(struct device *dev, void (*action)(void *), void *data, co > } > EXPORT_SYMBOL_GPL(__devm_add_action); > > +bool devm_is_action_added(struct device *dev, void (*action)(void *), void *data) > +{ > + struct action_devres devres = { > + .data = data, > + .action = action, > + }; > + > + return devres_find(dev, devm_action_release, devm_action_match, &devres); > +} > +EXPORT_SYMBOL_GPL(devm_is_action_added); > + > /** > * devm_remove_action_nowarn() - removes previously added custom action > * @dev: Device that owns the action > diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h > index 9cd1787ef28e..ae696d10faff 100644 > --- a/include/linux/device/devres.h > +++ b/include/linux/device/devres.h > @@ -165,4 +165,6 @@ static inline int __devm_add_action_or_reset(struct device *dev, void (*action)( > #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_ */ Reviewed-by: Zijun Hu <quic_zijuhu@quicinc.com>
diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 93e7779ef21e..7c2babfa9396 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -749,6 +749,17 @@ int __devm_add_action(struct device *dev, void (*action)(void *), void *data, co } EXPORT_SYMBOL_GPL(__devm_add_action); +bool devm_is_action_added(struct device *dev, void (*action)(void *), void *data) +{ + struct action_devres devres = { + .data = data, + .action = action, + }; + + return devres_find(dev, devm_action_release, devm_action_match, &devres); +} +EXPORT_SYMBOL_GPL(devm_is_action_added); + /** * devm_remove_action_nowarn() - removes previously added custom action * @dev: Device that owns the action diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 9cd1787ef28e..ae696d10faff 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -165,4 +165,6 @@ static inline int __devm_add_action_or_reset(struct device *dev, void (*action)( #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_ */