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[46.138.83.36]) by smtp.gmail.com with ESMTPSA id q5sm588570lfg.36.2021.09.12.11.46.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Sep 2021 11:46:09 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Viresh Kumar , Nishanth Menon , MyungJoo Ham , Stephen Boyd , Kyungmin Park , Chanwoo Choi Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v1 2/4] PM / devfreq: Add devm_devfreq_add_governor() Date: Sun, 12 Sep 2021 21:44:56 +0300 Message-Id: <20210912184458.17995-3-digetx@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210912184458.17995-1-digetx@gmail.com> References: <20210912184458.17995-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add resource-managed variant of devfreq_add_governor(). Signed-off-by: Dmitry Osipenko --- 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..d3af000ec290 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) +{ + 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..0d70a9ad951e 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -94,4 +94,7 @@ static inline int devfreq_update_stats(struct devfreq *df) return df->profile->get_dev_status(df->dev.parent, &df->last_status); } + +int devm_devfreq_add_governor(struct device *dev, + struct devfreq_governor *governor); #endif /* _GOVERNOR_H */ -- 2.32.0