| Message ID | 20210920172249.28206-3-digetx@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Make probe() of Tegra devfreq driver completely resource-managed | expand |
On 21. 9. 21. 오전 2:22, Dmitry Osipenko wrote: > Add resource-managed variant of devfreq_add_governor(). > > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> > --- > drivers/devfreq/devfreq.c | 26 ++++++++++++++++++++++++++ > drivers/devfreq/governor.h | 3 +++ > 2 files changed, 29 insertions(+) > > diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c > index 85faa7a5c7d1..4579eefb8fe7 100644 > --- a/drivers/devfreq/devfreq.c > +++ b/drivers/devfreq/devfreq.c > @@ -1301,6 +1301,32 @@ int devfreq_add_governor(struct devfreq_governor *governor) > } > EXPORT_SYMBOL(devfreq_add_governor); > > +static void devm_devfreq_remove_governor(void *governor) > +{ > + WARN_ON(devfreq_remove_governor(governor)); > +} > + > +/** > + * devm_devfreq_add_governor() - Add devfreq governor > + * @dev: device which adds devfreq governor > + * @governor: the devfreq governor to be added > + * > + * This is a resource-managed variant of devfreq_add_governor(). > + */ > +int devm_devfreq_add_governor(struct device *dev, > + struct devfreq_governor *governor) > +{ > + int err; > + > + err = devfreq_add_governor(governor); > + if (err) > + return err; > + > + return devm_add_action_or_reset(dev, devm_devfreq_remove_governor, > + governor); > +} > +EXPORT_SYMBOL(devm_devfreq_add_governor); > + > /** > * devfreq_remove_governor() - Remove devfreq feature from a device. > * @governor: the devfreq governor to be removed > diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h > index 2d69a0ce6291..002a7d67e39d 100644 > --- a/drivers/devfreq/governor.h > +++ b/drivers/devfreq/governor.h > @@ -84,6 +84,9 @@ void devfreq_update_interval(struct devfreq *devfreq, unsigned int *delay); > int devfreq_add_governor(struct devfreq_governor *governor); > int devfreq_remove_governor(struct devfreq_governor *governor); > > +int devm_devfreq_add_governor(struct device *dev, > + struct devfreq_governor *governor); > + > int devfreq_update_status(struct devfreq *devfreq, unsigned long freq); > int devfreq_update_target(struct devfreq *devfreq, unsigned long freq); > > Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 85faa7a5c7d1..4579eefb8fe7 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -1301,6 +1301,32 @@ int devfreq_add_governor(struct devfreq_governor *governor) } EXPORT_SYMBOL(devfreq_add_governor); +static void devm_devfreq_remove_governor(void *governor) +{ + WARN_ON(devfreq_remove_governor(governor)); +} + +/** + * devm_devfreq_add_governor() - Add devfreq governor + * @dev: device which adds devfreq governor + * @governor: the devfreq governor to be added + * + * This is a resource-managed variant of devfreq_add_governor(). + */ +int devm_devfreq_add_governor(struct device *dev, + struct devfreq_governor *governor) +{ + int err; + + err = devfreq_add_governor(governor); + if (err) + return err; + + return devm_add_action_or_reset(dev, devm_devfreq_remove_governor, + governor); +} +EXPORT_SYMBOL(devm_devfreq_add_governor); + /** * devfreq_remove_governor() - Remove devfreq feature from a device. * @governor: the devfreq governor to be removed diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h index 2d69a0ce6291..002a7d67e39d 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -84,6 +84,9 @@ void devfreq_update_interval(struct devfreq *devfreq, unsigned int *delay); int devfreq_add_governor(struct devfreq_governor *governor); int devfreq_remove_governor(struct devfreq_governor *governor); +int devm_devfreq_add_governor(struct device *dev, + struct devfreq_governor *governor); + int devfreq_update_status(struct devfreq *devfreq, unsigned long freq); int devfreq_update_target(struct devfreq *devfreq, unsigned long freq);
Add resource-managed variant of devfreq_add_governor(). Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/devfreq/devfreq.c | 26 ++++++++++++++++++++++++++ drivers/devfreq/governor.h | 3 +++ 2 files changed, 29 insertions(+)