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Fri, 01 Jan 2021 08:55:50 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 01/31] opp: Add devres wrapper for dev_pm_opp_set_clkname and dev_pm_opp_put_clkname Date: Fri, 1 Jan 2021 16:54:37 +0000 Message-Id: <20210101165507.19486-2-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add devres wrapper for dev_pm_opp_set_clkname() and dev_pm_opp_put_clkname() to simplify driver code. Signed-off-by: Yangtao Li --- drivers/opp/core.c | 47 ++++++++++++++++++++++++++++++++++++++++++ include/linux/pm_opp.h | 9 ++++++++ 2 files changed, 56 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 4268eb359915..53fdf33732d5 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1948,6 +1948,53 @@ 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. + * + * In order to support OPP switching, OPP layer needs to get pointer to the + * clock for the device. Simple cases work fine without using this routine (i.e. + * by passing connection-id as NULL), but for a device with multiple clocks + * available, the OPP core needs to know the exact name of the clk to use. + * + * This must be called before any OPPs are initialized for the device. + * + * The opp_table structure will be freed after the device is destroyed. + */ +struct opp_table *devm_pm_opp_set_clkname(struct device *dev, const char *name) +{ + struct opp_table *opp_table; + int err; + + opp_table = dev_pm_opp_set_clkname(dev, name); + if (IS_ERR(opp_table)) + return opp_table; + + err = devm_add_action_or_reset(dev, devm_pm_opp_clkname_release, opp_table); + if (err) + opp_table = ERR_PTR(err); + + return opp_table; +} +EXPORT_SYMBOL_GPL(devm_pm_opp_set_clkname); + +/** + * devm_pm_opp_put_clkname() - Releases resources blocked for clk. + * @dev: Device for which we do this operation. + * @opp_table: OPP table returned from devm_pm_opp_set_clkname(). + */ +void devm_pm_opp_put_clkname(struct device *dev, struct opp_table *opp_table) +{ + devm_release_action(dev, devm_pm_opp_clkname_release, opp_table); +} +EXPORT_SYMBOL_GPL(devm_pm_opp_put_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 1435c054016a..3418a2874f88 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -145,6 +145,8 @@ 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); +struct opp_table *devm_pm_opp_set_clkname(struct device *dev, const char *name); +void devm_pm_opp_put_clkname(struct device *dev, struct opp_table *opp_table); 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 *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs); @@ -326,6 +328,13 @@ 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 struct opp_table *devm_pm_opp_set_clkname(struct device *dev, const char *name) +{ + return ERR_PTR(-ENOTSUPP); +} + +static inline void devm_pm_opp_put_clkname(struct device *dev, struct opp_table *opp_table) {} + static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs) { return ERR_PTR(-ENOTSUPP); From patchwork Fri Jan 1 16:54:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355860 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73A46C43217 for ; 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Fri, 01 Jan 2021 08:56:03 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.55.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:56:03 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 02/31] opp: Add devres wrapper for dev_pm_opp_set_regulators and dev_pm_opp_put_regulators Date: Fri, 1 Jan 2021 16:54:38 +0000 Message-Id: <20210101165507.19486-3-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add devres wrapper for dev_pm_opp_set_regulators() dev_pm_opp_put_regulators () to simplify driver code. Signed-off-by: Yangtao Li Reviewed-by: Dmitry Osipenko Tested-by: Dmitry Osipenko --- drivers/opp/core.c | 50 ++++++++++++++++++++++++++++++++++++++++++ include/linux/pm_opp.h | 9 ++++++++ 2 files changed, 59 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 53fdf33732d5..8709689a7152 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1878,6 +1878,56 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) } EXPORT_SYMBOL_GPL(dev_pm_opp_put_regulators); +static void devm_pm_opp_regulators_release(void *data) +{ + dev_pm_opp_put_regulators(data); +} + +/** + * devm_pm_opp_set_regulators() - Set regulator names for the device + * @dev: Device for which regulator name is being set. + * @names: Array of pointers to the names of the regulator. + * @count: Number of regulators. + * + * In order to support OPP switching, OPP layer needs to know the name of the + * device's regulators, as the core would be required to switch voltages as + * well. + * + * This must be called before any OPPs are initialized for the device. + * + * The opp_table structure will be freed after the device is destroyed. + */ +struct opp_table *devm_pm_opp_set_regulators(struct device *dev, + const char * const names[], + unsigned int count) +{ + struct opp_table *opp_table; + int err; + + opp_table = dev_pm_opp_set_regulators(dev, names, count); + if (IS_ERR(opp_table)) + return opp_table; + + err = devm_add_action_or_reset(dev, devm_pm_opp_regulators_release, + opp_table); + if (err) + opp_table = ERR_PTR(err); + + return opp_table; +} +EXPORT_SYMBOL_GPL(devm_pm_opp_set_regulators); + +/** + * devm_pm_opp_put_regulators() - Releases resources blocked for regulator + * @dev: Device for which we do this operation. + * @opp_table: OPP table returned from dev_pm_opp_set_regulators(). + */ +void devm_pm_opp_put_regulators(struct device *dev, struct opp_table *opp_table) +{ + devm_release_action(dev, devm_pm_opp_regulators_release, opp_table); +} +EXPORT_SYMBOL_GPL(devm_pm_opp_put_regulators); + /** * dev_pm_opp_set_clkname() - Set clk name for the device * @dev: Device for which clk name is being set. diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 3418a2874f88..8a329247e08e 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -143,6 +143,8 @@ struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name) void dev_pm_opp_put_prop_name(struct opp_table *opp_table); struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count); void dev_pm_opp_put_regulators(struct opp_table *opp_table); +struct opp_table *devm_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count); +void devm_pm_opp_put_regulators(struct device *dev, 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); struct opp_table *devm_pm_opp_set_clkname(struct device *dev, const char *name); @@ -321,6 +323,13 @@ static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, co static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {} +static inline struct opp_table *devm_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count) +{ + return ERR_PTR(-ENOTSUPP); +} + +static inline void devm_pm_opp_put_regulators(struct device *dev, struct opp_table *opp_table) {} + static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name) { return ERR_PTR(-ENOTSUPP); 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Fri, 01 Jan 2021 08:56:15 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 03/31] opp: Add devres wrapper for dev_pm_opp_set_supported_hw Date: Fri, 1 Jan 2021 16:54:39 +0000 Message-Id: <20210101165507.19486-4-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add devres wrapper for dev_pm_opp_set_supported_hw() to simplify driver code. Signed-off-by: Yangtao Li Reviewed-by: Dmitry Osipenko Tested-by: Dmitry Osipenko --- drivers/opp/core.c | 38 ++++++++++++++++++++++++++++++++++++++ include/linux/pm_opp.h | 8 ++++++++ 2 files changed, 46 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 8709689a7152..6b83e373f0d8 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1674,6 +1674,44 @@ void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) } EXPORT_SYMBOL_GPL(dev_pm_opp_put_supported_hw); +static void devm_pm_opp_supported_hw_release(void *data) +{ + dev_pm_opp_put_supported_hw(data); +} + +/** + * devm_pm_opp_set_supported_hw() - Set supported platforms + * @dev: Device for which supported-hw has to be set. + * @versions: Array of hierarchy of versions to match. + * @count: Number of elements in the array. + * + * This is required only for the V2 bindings, and it enables a platform to + * specify the hierarchy of versions it supports. OPP layer will then enable + * OPPs, which are available for those versions, based on its 'opp-supported-hw' + * property. + * + * The opp_table structure will be freed after the device is destroyed. + */ +struct opp_table *devm_pm_opp_set_supported_hw(struct device *dev, + const u32 *versions, + unsigned int count) +{ + struct opp_table *opp_table; + int err; + + opp_table = dev_pm_opp_set_supported_hw(dev, versions, count); + if (IS_ERR(opp_table)) + return opp_table; + + err = devm_add_action_or_reset(dev, devm_pm_opp_supported_hw_release, + opp_table); + if (err) + opp_table = ERR_PTR(err); + + return opp_table; +} +EXPORT_SYMBOL_GPL(devm_pm_opp_set_supported_hw); + /** * dev_pm_opp_set_prop_name() - Set prop-extn name * @dev: Device for which the prop-name has to be set. diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 8a329247e08e..e5260fc82ba1 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -139,6 +139,7 @@ int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count); void dev_pm_opp_put_supported_hw(struct opp_table *opp_table); +struct opp_table *devm_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count); struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name); void dev_pm_opp_put_prop_name(struct opp_table *opp_table); struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count); @@ -301,6 +302,13 @@ static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {} +static inline struct opp_table *devm_pm_opp_set_supported_hw(struct device *dev, + const u32 *versions, + unsigned int count) +{ + return ERR_PTR(-ENOTSUPP); +} + static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)) { From patchwork Fri Jan 1 16:54:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355859 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3184C4361A for ; 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Fri, 01 Jan 2021 08:56:28 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.56.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:56:28 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 04/31] opp: Add devres wrapper for dev_pm_opp_of_add_table Date: Fri, 1 Jan 2021 16:54:40 +0000 Message-Id: <20210101165507.19486-5-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add devres wrapper for dev_pm_opp_of_add_table() to simplify driver code. Signed-off-by: Yangtao Li Reviewed-by: Dmitry Osipenko Tested-by: Dmitry Osipenko --- drivers/opp/of.c | 36 ++++++++++++++++++++++++++++++++++++ include/linux/pm_opp.h | 6 ++++++ 2 files changed, 42 insertions(+) diff --git a/drivers/opp/of.c b/drivers/opp/of.c index 03cb387236c4..50df483c7dc3 100644 --- a/drivers/opp/of.c +++ b/drivers/opp/of.c @@ -998,6 +998,42 @@ int dev_pm_opp_of_add_table(struct device *dev) } EXPORT_SYMBOL_GPL(dev_pm_opp_of_add_table); +static void devm_pm_opp_of_table_release(void *data) +{ + dev_pm_opp_of_remove_table(data); +} + +/** + * devm_pm_opp_of_add_table() - Initialize opp table from device tree + * @dev: device pointer used to lookup OPP table. + * + * Register the initial OPP table with the OPP library for given device. + * + * The opp_table structure will be freed after the device is destroyed. + * + * Return: + * 0 On success OR + * Duplicate OPPs (both freq and volt are same) and opp->available + * -EEXIST Freq are same and volt are different OR + * Duplicate OPPs (both freq and volt are same) and !opp->available + * -ENOMEM Memory allocation failure + * -ENODEV when 'operating-points' property is not found or is invalid data + * in device node. + * -ENODATA when empty 'operating-points' property is found + * -EINVAL when invalid entries are found in opp-v2 table + */ +int devm_pm_opp_of_add_table(struct device *dev) +{ + int ret; + + ret = dev_pm_opp_of_add_table(dev); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, devm_pm_opp_of_table_release, dev); +} +EXPORT_SYMBOL_GPL(devm_pm_opp_of_add_table); + /** * dev_pm_opp_of_add_table_indexed() - Initialize indexed opp table from device tree * @dev: device pointer used to lookup OPP table. diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index e5260fc82ba1..e8bdac5f9555 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -398,6 +398,7 @@ static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask int dev_pm_opp_of_add_table(struct device *dev); int dev_pm_opp_of_add_table_indexed(struct device *dev, int index); void dev_pm_opp_of_remove_table(struct device *dev); +int devm_pm_opp_of_add_table(struct device *dev); int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask); void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask); int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask); @@ -425,6 +426,11 @@ static inline void dev_pm_opp_of_remove_table(struct device *dev) { } +static inline int devm_pm_opp_of_add_table(struct device *dev) +{ + return -ENOTSUPP; +} + static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask) { return -ENOTSUPP; From patchwork Fri Jan 1 16:54:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356042 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC206C072AB for ; 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Fri, 01 Jan 2021 08:56:41 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.56.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:56:40 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 05/31] opp: Add devres wrapper for dev_pm_opp_register_notifier Date: Fri, 1 Jan 2021 16:54:41 +0000 Message-Id: <20210101165507.19486-6-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add devres wrapper for dev_pm_opp_register_notifier() to simplify driver code. Signed-off-by: Yangtao Li --- drivers/opp/core.c | 38 ++++++++++++++++++++++++++++++++++++++ include/linux/pm_opp.h | 6 ++++++ 2 files changed, 44 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 6b83e373f0d8..ef3544f8cecd 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2599,6 +2599,44 @@ int dev_pm_opp_unregister_notifier(struct device *dev, } EXPORT_SYMBOL(dev_pm_opp_unregister_notifier); +static void devm_pm_opp_notifier_release(struct device *dev, void *res) +{ + struct notifier_block *nb = *(struct notifier_block **)res; + + WARN_ON(dev_pm_opp_unregister_notifier(dev, nb)); +} + +/** + * devm_pm_opp_register_notifier() - Register OPP notifier for the device + * @dev: Device for which notifier needs to be registered + * @nb: Notifier block to be registered + * + * Return: 0 on success or a negative error value. + * + * The notifier will be unregistered after the device is destroyed. + */ +int devm_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb) +{ + struct notifier_block **ptr; + int ret; + + ptr = devres_alloc(devm_pm_opp_notifier_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + ret = dev_pm_opp_register_notifier(dev, nb); + if (ret) { + devres_free(ptr); + return ret; + } + + *ptr = nb; + devres_add(dev, ptr); + + return 0; +} +EXPORT_SYMBOL(devm_pm_opp_register_notifier); + /** * dev_pm_opp_remove_table() - Free all OPPs associated with the device * @dev: device pointer used to lookup OPP table. diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index e8bdac5f9555..c24bd34339d7 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -136,6 +136,7 @@ int dev_pm_opp_disable(struct device *dev, unsigned long freq); int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb); int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb); +int devm_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb); struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count); void dev_pm_opp_put_supported_hw(struct opp_table *opp_table); @@ -288,6 +289,11 @@ static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifi return -ENOTSUPP; } +static inline int devm_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb) +{ + return -ENOTSUPP; +} + static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb) { return -ENOTSUPP; From patchwork Fri Jan 1 16:54:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355858 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FA75C433E9 for ; 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Fri, 01 Jan 2021 08:56:53 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.56.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:56:53 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 06/31] serial: qcom_geni_serial: fix potential mem leak in qcom_geni_serial_probe() Date: Fri, 1 Jan 2021 16:54:42 +0000 Message-Id: <20210101165507.19486-7-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We should use dev_pm_opp_put_clkname() to free opp table each time dev_pm_opp_of_add_table() got error. Signed-off-by: Yangtao Li --- drivers/tty/serial/qcom_geni_serial.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 291649f02821..5aada7ebae35 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1438,9 +1438,12 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) return PTR_ERR(port->se.opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (ret && ret != -ENODEV) { - dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - goto put_clkname; + if (ret) { + dev_pm_opp_put_clkname(port->se.opp_table); + if (ret != -ENODEV) { + dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + return ret; + } } port->private_data.drv = drv; @@ -1482,7 +1485,6 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) return 0; err: dev_pm_opp_of_remove_table(&pdev->dev); -put_clkname: dev_pm_opp_put_clkname(port->se.opp_table); return ret; } From patchwork Fri Jan 1 16:54:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356041 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 899B5C433E0 for ; Fri, 1 Jan 2021 16:58:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 521E6221F2 for ; Fri, 1 Jan 2021 16:58:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727525AbhAAQ5r (ORCPT ); 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Fri, 01 Jan 2021 08:57:05 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 07/31] serial: qcom_geni_serial: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:43 +0000 Message-Id: <20210101165507.19486-8-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code, and we don't need to make opp_table glabal. Let's remove opp_table from geni_se later. Signed-off-by: Yangtao Li --- drivers/tty/serial/qcom_geni_serial.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 5aada7ebae35..36a92df8ec11 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1352,6 +1352,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) int irq; bool console = false; struct uart_driver *drv; + struct opp_table *opp_table; if (of_device_is_compatible(pdev->dev.of_node, "qcom,geni-debug-uart")) console = true; @@ -1433,13 +1434,13 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) if (of_property_read_bool(pdev->dev.of_node, "cts-rts-swap")) port->cts_rts_swap = true; - port->se.opp_table = dev_pm_opp_set_clkname(&pdev->dev, "se"); - if (IS_ERR(port->se.opp_table)) - return PTR_ERR(port->se.opp_table); + opp_table = devm_pm_opp_set_clkname(&pdev->dev, "se"); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(&pdev->dev); + ret = devm_pm_opp_of_add_table(&pdev->dev); if (ret) { - dev_pm_opp_put_clkname(port->se.opp_table); + devm_pm_opp_put_clkname(&pdev->dev, opp_table); if (ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); return ret; @@ -1453,7 +1454,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) ret = uart_add_one_port(drv, uport); if (ret) - goto err; + return ret; irq_set_status_flags(uport->irq, IRQ_NOAUTOEN); ret = devm_request_irq(uport->dev, uport->irq, qcom_geni_serial_isr, @@ -1461,7 +1462,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) if (ret) { dev_err(uport->dev, "Failed to get IRQ ret %d\n", ret); uart_remove_one_port(drv, uport); - goto err; + return ret; } /* @@ -1478,15 +1479,11 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) if (ret) { device_init_wakeup(&pdev->dev, false); uart_remove_one_port(drv, uport); - goto err; + return ret; } } return 0; -err: - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(port->se.opp_table); - return ret; } static int qcom_geni_serial_remove(struct platform_device *pdev) @@ -1494,8 +1491,6 @@ static int qcom_geni_serial_remove(struct platform_device *pdev) struct qcom_geni_serial_port *port = platform_get_drvdata(pdev); struct uart_driver *drv = port->private_data.drv; - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(port->se.opp_table); dev_pm_clear_wake_irq(&pdev->dev); device_init_wakeup(&pdev->dev, false); uart_remove_one_port(drv, &port->uport); From patchwork Fri Jan 1 16:54:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355857 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFB8DC433E6 for ; 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Fri, 01 Jan 2021 08:57:18 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.57.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:57:18 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 08/31] spi: spi-qcom-qspi: fix potential mem leak in spi_geni_probe() Date: Fri, 1 Jan 2021 16:54:44 +0000 Message-Id: <20210101165507.19486-9-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We should use dev_pm_opp_put_clkname() to free opp table each time dev_pm_opp_of_add_table() got error. Signed-off-by: Yangtao Li Acked-by: Mark Brown --- drivers/spi/spi-geni-qcom.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 512e925d5ea4..2b5a164fecb9 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -620,9 +620,12 @@ static int spi_geni_probe(struct platform_device *pdev) return PTR_ERR(mas->se.opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (ret && ret != -ENODEV) { - dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - goto put_clkname; + if (ret) { + dev_pm_opp_put_clkname(mas->se.opp_table); + if (ret != -ENODEV) { + dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + return ret; + } } spi->bus_num = -1; @@ -675,7 +678,6 @@ static int spi_geni_probe(struct platform_device *pdev) spi_geni_probe_runtime_disable: pm_runtime_disable(dev); dev_pm_opp_of_remove_table(&pdev->dev); -put_clkname: dev_pm_opp_put_clkname(mas->se.opp_table); return ret; } From patchwork Fri Jan 1 16:54:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356040 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10F87C43219 for ; Fri, 1 Jan 2021 16:58:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC41A22228 for ; Fri, 1 Jan 2021 16:58:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727630AbhAAQ6M (ORCPT ); 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Fri, 01 Jan 2021 08:57:30 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 09/31] spi: spi-qcom-qspi: fix potential mem leak in spi_geni_probe() Date: Fri, 1 Jan 2021 16:54:45 +0000 Message-Id: <20210101165507.19486-10-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code, and we don't need to make opp_table glabal. Let's remove opp_table from geni_se later. Signed-off-by: Yangtao Li Acked-by: Mark brown --- drivers/spi/spi-geni-qcom.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 2b5a164fecb9..e330c46a9243 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -590,6 +590,7 @@ static int spi_geni_probe(struct platform_device *pdev) void __iomem *base; struct clk *clk; struct device *dev = &pdev->dev; + struct opp_table *opp_table; irq = platform_get_irq(pdev, 0); if (irq < 0) @@ -615,13 +616,13 @@ static int spi_geni_probe(struct platform_device *pdev) mas->se.wrapper = dev_get_drvdata(dev->parent); mas->se.base = base; mas->se.clk = clk; - mas->se.opp_table = dev_pm_opp_set_clkname(&pdev->dev, "se"); - if (IS_ERR(mas->se.opp_table)) - return PTR_ERR(mas->se.opp_table); + opp_table = devm_pm_opp_set_clkname(dev, "se"); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(&pdev->dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) { - dev_pm_opp_put_clkname(mas->se.opp_table); + devm_pm_opp_put_clkname(dev, opp_table); if (ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); return ret; @@ -677,8 +678,6 @@ static int spi_geni_probe(struct platform_device *pdev) free_irq(mas->irq, spi); spi_geni_probe_runtime_disable: pm_runtime_disable(dev); - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(mas->se.opp_table); return ret; } @@ -692,8 +691,6 @@ static int spi_geni_remove(struct platform_device *pdev) free_irq(mas->irq, spi); pm_runtime_disable(&pdev->dev); - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(mas->se.opp_table); return 0; } From patchwork Fri Jan 1 16:54:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355856 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69366C433DB for ; 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Fri, 01 Jan 2021 08:57:43 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.57.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:57:43 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 10/31] qcom-geni-se: remove opp_table Date: Fri, 1 Jan 2021 16:54:46 +0000 Message-Id: <20210101165507.19486-11-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org opp_table isn't used anymore, remove it. Signed-off-by: Yangtao Li --- include/linux/qcom-geni-se.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/qcom-geni-se.h b/include/linux/qcom-geni-se.h index ec2ad4b0fe14..cddef864a760 100644 --- a/include/linux/qcom-geni-se.h +++ b/include/linux/qcom-geni-se.h @@ -47,7 +47,6 @@ struct geni_icc_path { * @num_clk_levels: Number of valid clock levels in clk_perf_tbl * @clk_perf_tbl: Table of clock frequency input to serial engine clock * @icc_paths: Array of ICC paths for SE - * @opp_table: Pointer to the OPP table */ struct geni_se { void __iomem *base; @@ -57,7 +56,6 @@ struct geni_se { unsigned int num_clk_levels; unsigned long *clk_perf_tbl; struct geni_icc_path icc_paths[3]; - struct opp_table *opp_table; }; /* Common SE registers */ From patchwork Fri Jan 1 16:54:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356039 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73728C43333 for ; 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Fri, 01 Jan 2021 08:57:56 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.57.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:57:55 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 11/31] mmc: sdhci-msm: fix potential mem leak in sdhci_msm_probe() Date: Fri, 1 Jan 2021 16:54:47 +0000 Message-Id: <20210101165507.19486-12-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We should use dev_pm_opp_put_clkname() to free opp table each time dev_pm_opp_of_add_table() got error. Signed-off-by: Yangtao Li --- drivers/mmc/host/sdhci-msm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 9c7927b03253..094ef95f5ecc 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -2291,9 +2291,12 @@ static int sdhci_msm_probe(struct platform_device *pdev) /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (ret && ret != -ENODEV) { - dev_err(&pdev->dev, "Invalid OPP table in Device tree\n"); - goto opp_put_clkname; + if (ret) { + dev_pm_opp_put_clkname(msm_host->opp_table); + if (ret != -ENODEV) { + dev_err(&pdev->dev, "Invalid OPP table in Device tree\n"); + goto bus_clk_disable; + } } /* Vote for maximum clock rate for maximum performance */ @@ -2461,7 +2464,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) msm_host->bulk_clks); opp_cleanup: dev_pm_opp_of_remove_table(&pdev->dev); -opp_put_clkname: dev_pm_opp_put_clkname(msm_host->opp_table); 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Fri, 01 Jan 2021 08:58:08 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 12/31] mmc: sdhci-msm: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:48 +0000 Message-Id: <20210101165507.19486-13-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code, and remove opp_table from sdhci_msm_host. Signed-off-by: Yangtao Li --- drivers/mmc/host/sdhci-msm.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 094ef95f5ecc..490ba5d68f72 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -261,7 +261,6 @@ struct sdhci_msm_host { struct clk_bulk_data bulk_clks[4]; /* core, iface, cal, sleep clocks */ unsigned long clk_rate; struct mmc_host *mmc; - struct opp_table *opp_table; bool use_14lpp_dll_reset; bool tuning_done; bool calibration_done; @@ -2215,6 +2214,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) const struct sdhci_msm_offset *msm_offset; const struct sdhci_msm_variant_info *var_info; struct device_node *node = pdev->dev.of_node; + struct opp_table *opp_table; host = sdhci_pltfm_init(pdev, &sdhci_msm_pdata, sizeof(*msm_host)); if (IS_ERR(host)) @@ -2283,16 +2283,16 @@ static int sdhci_msm_probe(struct platform_device *pdev) if (ret) goto bus_clk_disable; - msm_host->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "core"); - if (IS_ERR(msm_host->opp_table)) { - ret = PTR_ERR(msm_host->opp_table); + opp_table = devm_pm_opp_set_clkname(&pdev->dev, "core"); + if (IS_ERR(opp_table)) { + ret = PTR_ERR(opp_table); goto bus_clk_disable; } /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(&pdev->dev); + ret = devm_pm_opp_of_add_table(&pdev->dev); if (ret) { - dev_pm_opp_put_clkname(msm_host->opp_table); + devm_pm_opp_put_clkname(&pdev->dev, opp_table); if (ret != -ENODEV) { dev_err(&pdev->dev, "Invalid OPP table in Device tree\n"); goto bus_clk_disable; @@ -2317,7 +2317,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks), msm_host->bulk_clks); if (ret) - goto opp_cleanup; + goto bus_clk_disable; /* * xo clock is needed for FLL feature of cm_dll. @@ -2462,9 +2462,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) clk_disable: clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks), msm_host->bulk_clks); -opp_cleanup: - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(msm_host->opp_table); bus_clk_disable: if (!IS_ERR(msm_host->bus_clk)) clk_disable_unprepare(msm_host->bus_clk); @@ -2483,8 +2480,6 @@ static int sdhci_msm_remove(struct platform_device *pdev) sdhci_remove_host(host, dead); - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(msm_host->opp_table); pm_runtime_get_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); From patchwork Fri Jan 1 16:54:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356038 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72F57C4332D for ; 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Fri, 01 Jan 2021 08:58:21 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.58.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:58:20 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 13/31] spi: spi-qcom-qspi: fix potential mem leak in qcom_qspi_probe() Date: Fri, 1 Jan 2021 16:54:49 +0000 Message-Id: <20210101165507.19486-14-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We should use dev_pm_opp_put_clkname() to free opp table each time dev_pm_opp_of_add_table() got error. Signed-off-by: Yangtao Li Acked-by: Mark Brown --- drivers/spi/spi-qcom-qspi.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c index 8863be370884..915ae115d8c1 100644 --- a/drivers/spi/spi-qcom-qspi.c +++ b/drivers/spi/spi-qcom-qspi.c @@ -536,9 +536,12 @@ static int qcom_qspi_probe(struct platform_device *pdev) return PTR_ERR(ctrl->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (ret && ret != -ENODEV) { - dev_err(&pdev->dev, "invalid OPP table in device tree\n"); - goto exit_probe_put_clkname; + if (ret) { + dev_pm_opp_put_clkname(ctrl->opp_table); + if (ret != -ENODEV) { + dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + return ret; + } } pm_runtime_use_autosuspend(dev); @@ -551,8 +554,6 @@ static int qcom_qspi_probe(struct platform_device *pdev) pm_runtime_disable(dev); dev_pm_opp_of_remove_table(&pdev->dev); - -exit_probe_put_clkname: dev_pm_opp_put_clkname(ctrl->opp_table); 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Fri, 01 Jan 2021 08:58:33 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 14/31] spi: spi-qcom-qspi: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:50 +0000 Message-Id: <20210101165507.19486-15-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code, and remove opp_table from qcom_qspi. Signed-off-by: Yangtao Li Acked-by: Mark Brown --- drivers/spi/spi-qcom-qspi.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c index 915ae115d8c1..1a1ab153ff59 100644 --- a/drivers/spi/spi-qcom-qspi.c +++ b/drivers/spi/spi-qcom-qspi.c @@ -142,7 +142,6 @@ struct qcom_qspi { struct clk_bulk_data *clks; struct qspi_xfer xfer; struct icc_path *icc_path_cpu_to_qspi; - struct opp_table *opp_table; unsigned long last_speed; /* Lock to protect data accessed by IRQs */ spinlock_t lock; @@ -459,6 +458,7 @@ static int qcom_qspi_probe(struct platform_device *pdev) struct device *dev; struct spi_master *master; struct qcom_qspi *ctrl; + struct opp_table *opp_table; dev = &pdev->dev; @@ -531,13 +531,13 @@ static int qcom_qspi_probe(struct platform_device *pdev) master->handle_err = qcom_qspi_handle_err; master->auto_runtime_pm = true; - ctrl->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "core"); - if (IS_ERR(ctrl->opp_table)) - return PTR_ERR(ctrl->opp_table); + opp_table = devm_pm_opp_set_clkname(dev, "core"); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(&pdev->dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) { - dev_pm_opp_put_clkname(ctrl->opp_table); + devm_pm_opp_put_clkname(dev, opp_table); if (ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); return ret; @@ -553,8 +553,6 @@ static int qcom_qspi_probe(struct platform_device *pdev) return 0; pm_runtime_disable(dev); - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(ctrl->opp_table); return ret; } @@ -568,8 +566,6 @@ static int qcom_qspi_remove(struct platform_device *pdev) spi_unregister_master(master); pm_runtime_disable(&pdev->dev); - dev_pm_opp_of_remove_table(&pdev->dev); - dev_pm_opp_put_clkname(ctrl->opp_table); return 0; } From patchwork Fri Jan 1 16:54:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356037 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 593B2C433DB for ; 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Fri, 01 Jan 2021 08:58:46 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.58.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:58:45 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 15/31] drm/msm: fix potential mem leak Date: Fri, 1 Jan 2021 16:54:51 +0000 Message-Id: <20210101165507.19486-16-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We should use dev_pm_opp_put_clkname() to free opp table each time dev_pm_opp_of_add_table() got error. Signed-off-by: Yangtao Li --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 10 ++++++---- drivers/gpu/drm/msm/dsi/dsi_host.c | 8 +++++--- 2 files changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 374b0e8471e6..6f19dfcb4965 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1093,9 +1093,12 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(dpu_kms->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(dev); - if (ret && ret != -ENODEV) { - dev_err(dev, "invalid OPP table in device tree\n"); - goto put_clkname; + if (ret) { + dev_pm_opp_put_clkname(dpu_kms->opp_table); + if (ret != -ENODEV) { + dev_err(dev, "invalid OPP table in device tree\n"); + return ret; + } } mp = &dpu_kms->mp; @@ -1122,7 +1125,6 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) return ret; err: dev_pm_opp_of_remove_table(dev); -put_clkname: dev_pm_opp_put_clkname(dpu_kms->opp_table); return ret; } diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index ab281cba0f08..a282307f2799 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1891,10 +1891,12 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) return PTR_ERR(msm_host->opp_table); /* OPP table is optional */ ret = dev_pm_opp_of_add_table(&pdev->dev); - if (ret && ret != -ENODEV) { - dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + if (ret) { dev_pm_opp_put_clkname(msm_host->opp_table); - return ret; + if (ret != -ENODEV) { + dev_err(&pdev->dev, "invalid OPP table in device tree\n"); + return ret; + } } init_completion(&msm_host->dma_comp); From patchwork Fri Jan 1 16:54:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355853 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB8C6C4360C for ; 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Fri, 01 Jan 2021 08:58:58 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.58.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:58:58 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 16/31] drm/msm: convert to use devm_pm_opp_* API and remove dp_ctrl_put Date: Fri, 1 Jan 2021 16:54:52 +0000 Message-Id: <20210101165507.19486-17-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 1. Use devm_pm_opp_* to simplif code and avoid mem leak. 2. Remove opp_table from dpu_kms, dp_ctrl_private and msm_dsi_host, since it does not need a global scope. 3. Remove dp_ctrl_put. Signed-off-by: Yangtao Li --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 2 +- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 2 +- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 23 ++++++++------------ drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 2 -- drivers/gpu/drm/msm/dp/dp_ctrl.c | 29 ++++++------------------- drivers/gpu/drm/msm/dp/dp_ctrl.h | 1 - drivers/gpu/drm/msm/dp/dp_display.c | 5 +---- drivers/gpu/drm/msm/dsi/dsi_host.c | 15 +++++-------- 9 files changed, 26 insertions(+), 55 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index a5af223eaf50..47e51c632209 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -1560,7 +1560,7 @@ static void check_speed_bin(struct device *dev) nvmem_cell_put(cell); } - dev_pm_opp_set_supported_hw(dev, &val, 1); + devm_pm_opp_set_supported_hw(dev, &val, 1); } struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index e6703ae98760..bd159e6fac5a 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -1321,7 +1321,7 @@ static int a6xx_gmu_pwrlevels_probe(struct a6xx_gmu *gmu) * The GMU handles its own frequency switching so build a list of * available frequencies to send during initialization */ - ret = dev_pm_opp_of_add_table(gmu->dev); + ret = devm_pm_opp_of_add_table(gmu->dev); if (ret) { DRM_DEV_ERROR(gmu->dev, "Unable to set the OPP table for the GMU\n"); return ret; diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 6cf9975e951e..e6c446c436e3 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -845,7 +845,7 @@ static void adreno_get_pwrlevels(struct device *dev, if (!of_find_property(dev->of_node, "operating-points-v2", NULL)) ret = adreno_get_legacy_pwrlevels(dev); else { - ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) DRM_DEV_ERROR(dev, "Unable to set the OPP table\n"); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 6f19dfcb4965..cb7e4fddf268 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -1082,19 +1082,20 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) struct msm_drm_private *priv = ddev->dev_private; struct dpu_kms *dpu_kms; struct dss_module_power *mp; + struct opp_table *opp_table; int ret = 0; dpu_kms = devm_kzalloc(&pdev->dev, sizeof(*dpu_kms), GFP_KERNEL); if (!dpu_kms) return -ENOMEM; - dpu_kms->opp_table = dev_pm_opp_set_clkname(dev, "core"); - if (IS_ERR(dpu_kms->opp_table)) - return PTR_ERR(dpu_kms->opp_table); + opp_table = devm_pm_opp_set_clkname(dev, "core"); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) { - dev_pm_opp_put_clkname(dpu_kms->opp_table); + devm_pm_opp_put_clkname(dev, opp_table); if (ret != -ENODEV) { dev_err(dev, "invalid OPP table in device tree\n"); return ret; @@ -1105,7 +1106,7 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) ret = msm_dss_parse_clock(pdev, mp); if (ret) { DPU_ERROR("failed to parse clocks, ret=%d\n", ret); - goto err; + return ret; } platform_set_drvdata(pdev, dpu_kms); @@ -1113,7 +1114,7 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) ret = msm_kms_init(&dpu_kms->base, &kms_funcs); if (ret) { DPU_ERROR("failed to init kms, ret=%d\n", ret); - goto err; + return ret; } dpu_kms->dev = ddev; dpu_kms->pdev = pdev; @@ -1122,10 +1123,7 @@ static int dpu_bind(struct device *dev, struct device *master, void *data) dpu_kms->rpm_enabled = true; priv->kms = &dpu_kms->base; - return ret; -err: - dev_pm_opp_of_remove_table(dev); - dev_pm_opp_put_clkname(dpu_kms->opp_table); + return ret; } @@ -1141,9 +1139,6 @@ static void dpu_unbind(struct device *dev, struct device *master, void *data) if (dpu_kms->rpm_enabled) pm_runtime_disable(&pdev->dev); - - dev_pm_opp_of_remove_table(dev); - dev_pm_opp_put_clkname(dpu_kms->opp_table); } static const struct component_ops dpu_ops = { diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index d6717d6672f7..1483995a94d9 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -130,8 +130,6 @@ struct dpu_kms { struct platform_device *pdev; bool rpm_enabled; - struct opp_table *opp_table; - struct dss_module_power mp; /* reference count bandwidth requests, so we know when we can diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index e3462f5d96d7..fdb696ec9d9a 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -77,8 +77,6 @@ struct dp_ctrl_private { struct dp_parser *parser; struct dp_catalog *catalog; - struct opp_table *opp_table; - struct completion idle_comp; struct completion video_comp; }; @@ -1873,6 +1871,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, struct dp_parser *parser) { struct dp_ctrl_private *ctrl; + struct opp_table *opp_table; int ret; if (!dev || !panel || !aux || @@ -1887,19 +1886,18 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, return ERR_PTR(-ENOMEM); } - ctrl->opp_table = dev_pm_opp_set_clkname(dev, "ctrl_link"); - if (IS_ERR(ctrl->opp_table)) { + opp_table = devm_pm_opp_set_clkname(dev, "ctrl_link"); + if (IS_ERR(opp_table)) { dev_err(dev, "invalid DP OPP table in device tree\n"); - /* caller do PTR_ERR(ctrl->opp_table) */ - return (struct dp_ctrl *)ctrl->opp_table; + /* caller do PTR_ERR(opp_table) */ + return (struct dp_ctrl *)opp_table; } /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) { dev_err(dev, "failed to add DP OPP table\n"); - dev_pm_opp_put_clkname(ctrl->opp_table); - ctrl->opp_table = NULL; + devm_pm_opp_put_clkname(dev, opp_table); } init_completion(&ctrl->idle_comp); @@ -1916,16 +1914,3 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, return &ctrl->dp_ctrl; } - -void dp_ctrl_put(struct dp_ctrl *dp_ctrl) -{ - struct dp_ctrl_private *ctrl; - - ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); - - if (ctrl->opp_table) { - dev_pm_opp_of_remove_table(ctrl->dev); - dev_pm_opp_put_clkname(ctrl->opp_table); - ctrl->opp_table = NULL; - } -} diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index f60ba93c8678..dcd6bde2b23d 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -31,6 +31,5 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, struct dp_panel *panel, struct drm_dp_aux *aux, struct dp_power *power, struct dp_catalog *catalog, struct dp_parser *parser); -void dp_ctrl_put(struct dp_ctrl *dp_ctrl); #endif /* _DP_CTRL_H_ */ diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 6e971d552911..44c1572e7005 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -706,7 +706,6 @@ static int dp_irq_hpd_handle(struct dp_display_private *dp, u32 data) static void dp_display_deinit_sub_modules(struct dp_display_private *dp) { dp_debug_put(dp->debug); - dp_ctrl_put(dp->ctrl); dp_panel_put(dp->panel); dp_aux_put(dp->aux); dp_audio_put(dp->audio); @@ -800,13 +799,11 @@ static int dp_init_sub_modules(struct dp_display_private *dp) rc = PTR_ERR(dp->audio); pr_err("failed to initialize audio, rc = %d\n", rc); dp->audio = NULL; - goto error_audio; + goto error_ctrl; } return rc; -error_audio: - dp_ctrl_put(dp->ctrl); error_ctrl: dp_panel_put(dp->panel); error_link: diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index a282307f2799..30c89dd448b9 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -113,8 +113,6 @@ struct msm_dsi_host { struct clk *pixel_clk_src; struct clk *byte_intf_clk; - struct opp_table *opp_table; - u32 byte_clk_rate; u32 pixel_clk_rate; u32 esc_clk_rate; @@ -1822,6 +1820,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) { struct msm_dsi_host *msm_host = NULL; struct platform_device *pdev = msm_dsi->pdev; + struct opp_table *opp_table; int ret; msm_host = devm_kzalloc(&pdev->dev, sizeof(*msm_host), GFP_KERNEL); @@ -1886,13 +1885,13 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) goto fail; } - msm_host->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "byte"); - if (IS_ERR(msm_host->opp_table)) - return PTR_ERR(msm_host->opp_table); + opp_table = devm_pm_opp_set_clkname(&pdev->dev, "byte"); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); /* OPP table is optional */ - ret = dev_pm_opp_of_add_table(&pdev->dev); + ret = devm_pm_opp_of_add_table(&pdev->dev); if (ret) { - dev_pm_opp_put_clkname(msm_host->opp_table); + devm_pm_opp_put_clkname(&pdev->dev, opp_table); if (ret != -ENODEV) { dev_err(&pdev->dev, "invalid OPP table in device tree\n"); return ret; @@ -1934,8 +1933,6 @@ void msm_dsi_host_destroy(struct mipi_dsi_host *host) mutex_destroy(&msm_host->cmd_mutex); mutex_destroy(&msm_host->dev_mutex); - dev_pm_opp_of_remove_table(&msm_host->pdev->dev); - dev_pm_opp_put_clkname(msm_host->opp_table); pm_runtime_disable(&msm_host->pdev->dev); } From patchwork Fri Jan 1 16:54:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356036 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92B67C4332D for ; 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Fri, 01 Jan 2021 08:59:11 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.58.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:59:10 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 17/31] drm/lima: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:53 +0000 Message-Id: <20210101165507.19486-18-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code, and remove opp_table from lima_devfreq. Signed-off-by: Yangtao Li --- drivers/gpu/drm/lima/lima_devfreq.c | 40 ++++++++--------------------- drivers/gpu/drm/lima/lima_devfreq.h | 2 -- 2 files changed, 10 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c index 5686ad4aaf7c..d5937cf86504 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.c +++ b/drivers/gpu/drm/lima/lima_devfreq.c @@ -99,13 +99,6 @@ void lima_devfreq_fini(struct lima_device *ldev) devm_devfreq_remove_device(ldev->dev, devfreq->devfreq); devfreq->devfreq = NULL; } - - dev_pm_opp_of_remove_table(ldev->dev); - - dev_pm_opp_put_regulators(devfreq->regulators_opp_table); - dev_pm_opp_put_clkname(devfreq->clkname_opp_table); - devfreq->regulators_opp_table = NULL; - devfreq->clkname_opp_table = NULL; } int lima_devfreq_init(struct lima_device *ldev) @@ -125,15 +118,11 @@ int lima_devfreq_init(struct lima_device *ldev) spin_lock_init(&ldevfreq->lock); - opp_table = dev_pm_opp_set_clkname(dev, "core"); - if (IS_ERR(opp_table)) { - ret = PTR_ERR(opp_table); - goto err_fini; - } - - ldevfreq->clkname_opp_table = opp_table; + opp_table = devm_pm_opp_set_clkname(dev, "core"); + if (IS_ERR(opp_table)) + return PTR_ERR(opp_table); - opp_table = dev_pm_opp_set_regulators(dev, + opp_table = devm_pm_opp_set_regulators(dev, (const char *[]){ "mali" }, 1); if (IS_ERR(opp_table)) { @@ -141,24 +130,20 @@ int lima_devfreq_init(struct lima_device *ldev) /* Continue if the optional regulator is missing */ if (ret != -ENODEV) - goto err_fini; - } else { - ldevfreq->regulators_opp_table = opp_table; + return ret; } - ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) - goto err_fini; + return ret; lima_devfreq_reset(ldevfreq); cur_freq = clk_get_rate(ldev->clk_gpu); opp = devfreq_recommended_opp(dev, &cur_freq, 0); - if (IS_ERR(opp)) { - ret = PTR_ERR(opp); - goto err_fini; - } + if (IS_ERR(opp)) + return PTR_ERR(opp); lima_devfreq_profile.initial_freq = cur_freq; dev_pm_opp_put(opp); @@ -167,8 +152,7 @@ int lima_devfreq_init(struct lima_device *ldev) DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL); if (IS_ERR(devfreq)) { dev_err(dev, "Couldn't initialize GPU devfreq\n"); - ret = PTR_ERR(devfreq); - goto err_fini; + return PTR_ERR(devfreq); } ldevfreq->devfreq = devfreq; @@ -180,10 +164,6 @@ int lima_devfreq_init(struct lima_device *ldev) ldevfreq->cooling = cooling; return 0; - -err_fini: - lima_devfreq_fini(ldev); - return ret; } void lima_devfreq_record_busy(struct lima_devfreq *devfreq) diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h index 2d9b3008ce77..c3bcae76ca07 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.h +++ b/drivers/gpu/drm/lima/lima_devfreq.h @@ -15,8 +15,6 @@ struct lima_device; struct lima_devfreq { struct devfreq *devfreq; - struct opp_table *clkname_opp_table; - struct opp_table *regulators_opp_table; struct thermal_cooling_device *cooling; ktime_t busy_time; From patchwork Fri Jan 1 16:54:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355852 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71E69C4361B for ; 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Fri, 01 Jan 2021 08:59:23 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.59.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:59:23 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 18/31] drm/lima: remove unneeded devm_devfreq_remove_device() Date: Fri, 1 Jan 2021 16:54:54 +0000 Message-Id: <20210101165507.19486-19-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There is no need to manually release devm related resources. Signed-off-by: Yangtao Li --- drivers/gpu/drm/lima/lima_devfreq.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c index d5937cf86504..7690c5c69f9f 100644 --- a/drivers/gpu/drm/lima/lima_devfreq.c +++ b/drivers/gpu/drm/lima/lima_devfreq.c @@ -94,11 +94,6 @@ void lima_devfreq_fini(struct lima_device *ldev) devfreq_cooling_unregister(devfreq->cooling); devfreq->cooling = NULL; } - - if (devfreq->devfreq) { - devm_devfreq_remove_device(ldev->dev, devfreq->devfreq); - devfreq->devfreq = NULL; - } } int lima_devfreq_init(struct lima_device *ldev) From patchwork Fri Jan 1 16:54:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355851 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03B79C4361A for ; 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Fri, 01 Jan 2021 08:59:36 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.59.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 08:59:35 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 19/31] drm/panfrost: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:55 +0000 Message-Id: <20210101165507.19486-20-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code, and remove opp_table from panfrost_devfreq. Signed-off-by: Yangtao Li Reviewed-by: Steven Price --- drivers/gpu/drm/panfrost/panfrost_devfreq.c | 34 ++++++--------------- drivers/gpu/drm/panfrost/panfrost_devfreq.h | 1 - 2 files changed, 10 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index f44d28fad085..c42fa9eb43b1 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -92,25 +92,26 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) struct thermal_cooling_device *cooling; struct panfrost_devfreq *pfdevfreq = &pfdev->pfdevfreq; - opp_table = dev_pm_opp_set_regulators(dev, pfdev->comp->supply_names, + opp_table = devm_pm_opp_set_regulators(dev, pfdev->comp->supply_names, pfdev->comp->num_supplies); if (IS_ERR(opp_table)) { ret = PTR_ERR(opp_table); /* Continue if the optional regulator is missing */ if (ret != -ENODEV) { DRM_DEV_ERROR(dev, "Couldn't set OPP regulators\n"); - goto err_fini; + return ret; } - } else { - pfdevfreq->regulators_opp_table = opp_table; } - ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (ret) { + if (!IS_ERR(opp_table)) + devm_pm_opp_put_regulators(dev, opp_table); + /* Optional, continue without devfreq */ if (ret == -ENODEV) ret = 0; - goto err_fini; + return ret; } pfdevfreq->opp_of_table_added = true; @@ -121,10 +122,8 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) cur_freq = clk_get_rate(pfdev->clock); opp = devfreq_recommended_opp(dev, &cur_freq, 0); - if (IS_ERR(opp)) { - ret = PTR_ERR(opp); - goto err_fini; - } + if (IS_ERR(opp)) + return PTR_ERR(opp); panfrost_devfreq_profile.initial_freq = cur_freq; dev_pm_opp_put(opp); @@ -133,8 +132,7 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL); if (IS_ERR(devfreq)) { DRM_DEV_ERROR(dev, "Couldn't initialize GPU devfreq\n"); - ret = PTR_ERR(devfreq); - goto err_fini; + return PTR_ERR(devfreq); } pfdevfreq->devfreq = devfreq; @@ -145,10 +143,6 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) pfdevfreq->cooling = cooling; return 0; - -err_fini: - panfrost_devfreq_fini(pfdev); - return ret; } void panfrost_devfreq_fini(struct panfrost_device *pfdev) @@ -159,14 +153,6 @@ void panfrost_devfreq_fini(struct panfrost_device *pfdev) devfreq_cooling_unregister(pfdevfreq->cooling); pfdevfreq->cooling = NULL; } - - if (pfdevfreq->opp_of_table_added) { - dev_pm_opp_of_remove_table(&pfdev->pdev->dev); - pfdevfreq->opp_of_table_added = false; - } - - dev_pm_opp_put_regulators(pfdevfreq->regulators_opp_table); - pfdevfreq->regulators_opp_table = NULL; } void panfrost_devfreq_resume(struct panfrost_device *pfdev) diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.h b/drivers/gpu/drm/panfrost/panfrost_devfreq.h index db6ea48e21f9..a51854cc8c06 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.h +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.h @@ -15,7 +15,6 @@ struct panfrost_device; struct panfrost_devfreq { struct devfreq *devfreq; - struct opp_table *regulators_opp_table; struct thermal_cooling_device *cooling; bool opp_of_table_added; From patchwork Fri Jan 1 16:54:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356035 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C391CC4360C for ; Fri, 1 Jan 2021 17:00:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AF187221F2 for ; 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Fri, 01 Jan 2021 08:59:47 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 20/31] media: venus: fix error check in core_get_v4() Date: Fri, 1 Jan 2021 16:54:56 +0000 Message-Id: <20210101165507.19486-21-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Don't call dev_pm_opp_put_clkname() when got invalid OPP table in device tree, since we do this in core_put_v4(). Signed-off-by: Yangtao Li --- drivers/media/platform/qcom/venus/pm_helpers.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index a3850261d697..59cbd6c39450 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -881,8 +881,9 @@ static int core_get_v4(struct device *dev) core->has_opp_table = true; } else if (ret != -ENODEV) { dev_err(dev, "invalid OPP table in device tree\n"); - dev_pm_opp_put_clkname(core->opp_table); return ret; + } else { + dev_pm_opp_put_clkname(core->opp_table); } } From patchwork Fri Jan 1 16:54:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356034 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77BA8C433DB for ; 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Fri, 01 Jan 2021 09:00:01 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.08.59.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 09:00:00 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 21/31] media: venus: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:57 +0000 Message-Id: <20210101165507.19486-22-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code. Signed-off-by: Yangtao Li --- .../media/platform/qcom/venus/pm_helpers.c | 21 ++++--------------- 1 file changed, 4 insertions(+), 17 deletions(-) diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index 59cbd6c39450..9684c25558ef 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -871,31 +871,23 @@ static int core_get_v4(struct device *dev) if (legacy_binding) return 0; - core->opp_table = dev_pm_opp_set_clkname(dev, "core"); + core->opp_table = devm_pm_opp_set_clkname(dev, "core"); if (IS_ERR(core->opp_table)) return PTR_ERR(core->opp_table); if (core->res->opp_pmdomain) { - ret = dev_pm_opp_of_add_table(dev); + ret = devm_pm_opp_of_add_table(dev); if (!ret) { core->has_opp_table = true; } else if (ret != -ENODEV) { dev_err(dev, "invalid OPP table in device tree\n"); return ret; } else { - dev_pm_opp_put_clkname(core->opp_table); + devm_pm_opp_put_clkname(dev, core->opp_table); } } - ret = vcodec_domains_get(dev); - if (ret) { - if (core->has_opp_table) - dev_pm_opp_of_remove_table(dev); - dev_pm_opp_put_clkname(core->opp_table); - return ret; - } - - return 0; + return vcodec_domains_get(dev); } static void core_put_v4(struct device *dev) @@ -906,11 +898,6 @@ static void core_put_v4(struct device *dev) return; vcodec_domains_put(dev); - - if (core->has_opp_table) - dev_pm_opp_of_remove_table(dev); - dev_pm_opp_put_clkname(core->opp_table); - } static int core_power_v4(struct device *dev, int on) From patchwork Fri Jan 1 16:54:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355850 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D794C4360C for ; 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Fri, 01 Jan 2021 09:00:13 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.09.00.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 09:00:12 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 22/31] memory: samsung: exynos5422-dmc: fix return error in exynos5_init_freq_table Date: Fri, 1 Jan 2021 16:54:58 +0000 Message-Id: <20210101165507.19486-23-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org We can't always return -EINVAL, let's fix it. Signed-off-by: Yangtao Li Reviewed-by: Krzysztof Kozlowski --- drivers/memory/samsung/exynos5422-dmc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index c5ee4121a4d2..62a83633f837 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -353,16 +353,20 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc, dmc->opp = devm_kmalloc_array(dmc->dev, dmc->opp_count, sizeof(struct dmc_opp_table), GFP_KERNEL); - if (!dmc->opp) + if (!dmc->opp) { + ret = -ENOMEM; goto err_opp; + } idx = dmc->opp_count - 1; for (i = 0, freq = ULONG_MAX; i < dmc->opp_count; i++, freq--) { struct dev_pm_opp *opp; opp = dev_pm_opp_find_freq_floor(dmc->dev, &freq); - if (IS_ERR(opp)) + if (IS_ERR(opp)) { + ret = PTR_ERR(opp); goto err_opp; + } dmc->opp[idx - i].freq_hz = freq; dmc->opp[idx - i].volt_uv = dev_pm_opp_get_voltage(opp); @@ -375,7 +379,7 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc, err_opp: dev_pm_opp_of_remove_table(dmc->dev); - return -EINVAL; + return ret; } /** From patchwork Fri Jan 1 16:54:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 356033 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBB8CC43142 for ; Fri, 1 Jan 2021 17:01:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7FEB0221FE for ; Fri, 1 Jan 2021 17:01:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727306AbhAARBI (ORCPT ); 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Fri, 01 Jan 2021 09:00:25 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 23/31] memory: samsung: exynos5422-dmc: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:54:59 +0000 Message-Id: <20210101165507.19486-24-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code. Signed-off-by: Yangtao Li Reviewed-by: Krzysztof Kozlowski --- drivers/memory/samsung/exynos5422-dmc.c | 21 +++++---------------- 1 file changed, 5 insertions(+), 16 deletions(-) diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 62a83633f837..cab9fd74322b 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -343,7 +343,7 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc, int idx; unsigned long freq; - ret = dev_pm_opp_of_add_table(dmc->dev); + ret = devm_pm_opp_of_add_table(dmc->dev); if (ret < 0) { dev_err(dmc->dev, "Failed to get OPP table\n"); return ret; @@ -353,20 +353,16 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc, dmc->opp = devm_kmalloc_array(dmc->dev, dmc->opp_count, sizeof(struct dmc_opp_table), GFP_KERNEL); - if (!dmc->opp) { - ret = -ENOMEM; - goto err_opp; - } + if (!dmc->opp) + return -ENOMEM; idx = dmc->opp_count - 1; for (i = 0, freq = ULONG_MAX; i < dmc->opp_count; i++, freq--) { struct dev_pm_opp *opp; opp = dev_pm_opp_find_freq_floor(dmc->dev, &freq); - if (IS_ERR(opp)) { - ret = PTR_ERR(opp); - goto err_opp; - } + if (IS_ERR(opp)) + return PTR_ERR(opp); dmc->opp[idx - i].freq_hz = freq; dmc->opp[idx - i].volt_uv = dev_pm_opp_get_voltage(opp); @@ -375,11 +371,6 @@ static int exynos5_init_freq_table(struct exynos5_dmc *dmc, } return 0; - -err_opp: - dev_pm_opp_of_remove_table(dmc->dev); - - return ret; } /** @@ -1571,8 +1562,6 @@ static int exynos5_dmc_remove(struct platform_device *pdev) clk_disable_unprepare(dmc->mout_bpll); clk_disable_unprepare(dmc->fout_bpll); - dev_pm_opp_remove_table(dmc->dev); - return 0; } From patchwork Fri Jan 1 16:55:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 355849 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4142AC43217 for ; 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Fri, 01 Jan 2021 09:00:38 -0800 (PST) Received: from localhost.localdomain ([43.255.31.23]) by smtp.gmail.com with ESMTPSA id 84sm50002729pfy.9.2021.01.01.09.00.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jan 2021 09:00:38 -0800 (PST) From: Yangtao Li To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, krzk@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, digetx@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, yuq825@gmail.com, airlied@linux.ie, daniel@ffwll.ch, robdclark@gmail.com, sean@poorly.run, robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com, stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, lukasz.luba@arm.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, broonie@kernel.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, rjw@rjwysocki.net, jcrouse@codeaurora.org, hoegsberg@google.com, eric@anholt.net, tzimmermann@suse.de, marijn.suijten@somainline.org, gustavoars@kernel.org, emil.velikov@collabora.com, jonathan@marek.ca, akhilpo@codeaurora.org, smasetty@codeaurora.org, airlied@redhat.com, masneyb@onstation.org, kalyan_t@codeaurora.org, tanmay@codeaurora.org, tiny.windzz@gmail.com, ddavenport@chromium.org, jsanka@codeaurora.org, rnayak@codeaurora.org, tongtiangen@huawei.com, miaoqinglang@huawei.com, khsieh@codeaurora.org, abhinavk@codeaurora.org, chandanu@codeaurora.org, groeck@chromium.org, varar@codeaurora.org, mka@chromium.org, harigovi@codeaurora.org, rikard.falkeborn@gmail.com, natechancellor@gmail.com, georgi.djakov@linaro.org, akashast@codeaurora.org, parashar@codeaurora.org, dianders@chromium.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, lima@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 24/31] memory: tegra20: convert to use devm_pm_opp_* API Date: Fri, 1 Jan 2021 16:55:00 +0000 Message-Id: <20210101165507.19486-25-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210101165507.19486-1-tiny.windzz@gmail.com> References: <20210101165507.19486-1-tiny.windzz@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use devm_pm_opp_* API to simplify code. Signed-off-by: Yangtao Li Reviewed-by: Krzysztof Kozlowski --- drivers/memory/tegra/tegra20-emc.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 686aaf477d8a..223d9d97eb8f 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -911,31 +911,31 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc) static int tegra_emc_opp_table_init(struct tegra_emc *emc) { u32 hw_version = BIT(tegra_sku_info.soc_process_id); - struct opp_table *clk_opp_table, *hw_opp_table; + struct opp_table *opp_table; int err; - clk_opp_table = dev_pm_opp_set_clkname(emc->dev, NULL); - err = PTR_ERR_OR_ZERO(clk_opp_table); + opp_table = devm_pm_opp_set_clkname(emc->dev, NULL); + err = PTR_ERR_OR_ZERO(opp_table); if (err) { dev_err(emc->dev, "failed to set OPP clk: %d\n", err); return err; } - hw_opp_table = dev_pm_opp_set_supported_hw(emc->dev, &hw_version, 1); - err = PTR_ERR_OR_ZERO(hw_opp_table); + opp_table = devm_pm_opp_set_supported_hw(emc->dev, &hw_version, 1); + err = PTR_ERR_OR_ZERO(opp_table); if (err) { dev_err(emc->dev, "failed to set OPP supported HW: %d\n", err); - goto put_clk_table; + return err; } - err = dev_pm_opp_of_add_table(emc->dev); + err = devm_pm_opp_of_add_table(emc->dev); if (err) { if (err == -ENODEV) dev_err(emc->dev, "OPP table not found, please update your device tree\n"); else dev_err(emc->dev, "failed to add OPP table: %d\n", err); - goto put_hw_table; + return err; } dev_info(emc->dev, "OPP HW ver. 0x%x, current clock rate %lu MHz\n", @@ -943,19 +943,8 @@ static int tegra_emc_opp_table_init(struct tegra_emc *emc) /* first dummy rate-set initializes voltage state */ err = dev_pm_opp_set_rate(emc->dev, clk_get_rate(emc->clk)); - if (err) { + if (err) dev_err(emc->dev, "failed to initialize OPP clock: %d\n", err); - goto remove_table; - } - - return 0; - -remove_table: - dev_pm_opp_of_remove_table(emc->dev); -put_hw_table: - dev_pm_opp_put_supported_hw(hw_opp_table); -put_clk_table: - dev_pm_opp_put_clkname(clk_opp_table); return err; }