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[109.252.193.52]) by smtp.gmail.com with ESMTPSA id o7sm15723239wrs.16.2021.03.14.09.34.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Mar 2021 09:34:31 -0700 (PDT) From: Dmitry Osipenko To: Qiang Yu , Rob Clark , Sean Paul , Rob Herring , Tomeu Vizoso , Steven Price , Alyssa Rosenzweig , Stanimir Varbanov , Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , Lukasz Luba , Krzysztof Kozlowski , Adrian Hunter , Ulf Hansson , Viresh Kumar , Nishanth Menon , Stephen Boyd , Mark Brown , Greg Kroah-Hartman , Jiri Slaby , Yangtao Li Cc: Daniel Vetter , dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v3 01/15] opp: Add devres wrapper for dev_pm_opp_set_clkname Date: Sun, 14 Mar 2021 19:33:54 +0300 Message-Id: <20210314163408.22292-2-digetx@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210314163408.22292-1-digetx@gmail.com> References: <20210314163408.22292-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Yangtao Li Add devres wrapper for dev_pm_opp_set_clkname() to simplify drivers code. Signed-off-by: Yangtao Li Signed-off-by: Dmitry Osipenko --- drivers/opp/core.c | 27 +++++++++++++++++++++++++++ include/linux/pm_opp.h | 6 ++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 150be4c28c99..02e46508a3a2 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2119,6 +2119,33 @@ void dev_pm_opp_put_clkname(struct opp_table *opp_table) } EXPORT_SYMBOL_GPL(dev_pm_opp_put_clkname); +static void devm_pm_opp_clkname_release(void *data) +{ + dev_pm_opp_put_clkname(data); +} + +/** + * devm_pm_opp_set_clkname() - Set clk name for the device + * @dev: Device for which clk name is being set. + * @name: Clk name. + * + * This is a resource-managed variant of dev_pm_opp_set_clkname(). + * + * Return: 0 on success and errorno otherwise. + */ +int devm_pm_opp_set_clkname(struct device *dev, const char *name) +{ + struct opp_table *opp_table; + + opp_table = dev_pm_opp_set_clkname(dev, name); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); + + return devm_add_action_or_reset(dev, devm_pm_opp_clkname_release, + opp_table); +} +EXPORT_SYMBOL_GPL(devm_pm_opp_set_clkname); + /** * dev_pm_opp_register_set_opp_helper() - Register custom set OPP helper * @dev: Device for which the helper is getting registered. diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index c0371efa4a0f..0583d775aa5a 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -150,6 +150,7 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * con void dev_pm_opp_put_regulators(struct opp_table *opp_table); struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name); void dev_pm_opp_put_clkname(struct opp_table *opp_table); +int devm_pm_opp_set_clkname(struct device *dev, const char *name); struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)); void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table); struct opp_table *devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)); @@ -355,6 +356,11 @@ static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {} +static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name) +{ + return -EOPNOTSUPP; +} + static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs) { return ERR_PTR(-EOPNOTSUPP);