From 1cc55204b0dbba0ca09cc14624cbbeeb2d35742f Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 20 Sep 2021 20:22:47 +0300 Subject: PM / devfreq: Add devm_devfreq_add_governor() Add resource-managed variant of devfreq_add_governor(). Signed-off-by: Dmitry Osipenko Acked-by: Chanwoo Choi Signed-off-by: Viresh Kumar --- drivers/devfreq/devfreq.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'drivers/devfreq/devfreq.c') 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 @@ err_out: } 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 -- cgit v1.2.3