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Sat, 02 Jan 2021 19:55:32 -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 27/31] PM / devfreq: rk3399_dmc: convert to use devm_pm_opp_* API Date: Sun, 3 Jan 2021 03:55:14 +0000 Message-Id: <20210103035514.23788-1-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Use devm_pm_opp_* API to simplify code. Since devres release can guarantee the order, let's remove devm_devfreq_unregister_opp_notifier(). Signed-off-by: Yangtao Li --- drivers/devfreq/rk3399_dmc.c | 22 +++------------------- 1 file changed, 3 insertions(+), 19 deletions(-) diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c index 2e912166a993..9b8ab8be29d1 100644 --- a/drivers/devfreq/rk3399_dmc.c +++ b/drivers/devfreq/rk3399_dmc.c @@ -432,7 +432,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) * We add a devfreq driver to our parent since it has a device tree node * with operating points. */ - if (dev_pm_opp_of_add_table(dev)) { + if (devm_pm_opp_of_add_table(dev)) { dev_err(dev, "Invalid operating-points in device tree.\n"); ret = -EINVAL; goto err_edev; @@ -448,7 +448,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) opp = devfreq_recommended_opp(dev, &data->rate, 0); if (IS_ERR(opp)) { ret = PTR_ERR(opp); - goto err_free_opp; + goto err_edev; } data->rate = dev_pm_opp_get_freq(opp); @@ -463,7 +463,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) &data->ondemand_data); if (IS_ERR(data->devfreq)) { ret = PTR_ERR(data->devfreq); - goto err_free_opp; + goto err_edev; } devm_devfreq_register_opp_notifier(dev, data->devfreq); @@ -473,27 +473,12 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) return 0; -err_free_opp: - dev_pm_opp_of_remove_table(&pdev->dev); err_edev: devfreq_event_disable_edev(data->edev); return ret; } -static int rk3399_dmcfreq_remove(struct platform_device *pdev) -{ - struct rk3399_dmcfreq *dmcfreq = dev_get_drvdata(&pdev->dev); - - /* - * Before remove the opp table we need to unregister the opp notifier. - */ - devm_devfreq_unregister_opp_notifier(dmcfreq->dev, dmcfreq->devfreq); - dev_pm_opp_of_remove_table(dmcfreq->dev); - - return 0; -} - static const struct of_device_id rk3399dmc_devfreq_of_match[] = { { .compatible = "rockchip,rk3399-dmc" }, { }, @@ -502,7 +487,6 @@ MODULE_DEVICE_TABLE(of, rk3399dmc_devfreq_of_match); static struct platform_driver rk3399_dmcfreq_driver = { .probe = rk3399_dmcfreq_probe, - .remove = rk3399_dmcfreq_remove, .driver = { .name = "rk3399-dmc-freq", .pm = &rk3399_dmcfreq_pm,