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[2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id a13-20020a056512200d00b00494747ba5f7sm2210665lfb.272.2022.10.21.06.18.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:18:07 -0700 (PDT) Date: Fri, 21 Oct 2022 16:18:01 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Michael Hennerich , Jean Delvare , Guenter Roeck , Liam Girdwood , Mark Brown , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org Subject: [PATCH v4 1/4] gpu: drm: meson: Use devm_regulator_*get_enable*() Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747304181047861852?= X-GMAIL-MSGID: =?utf-8?q?1747304190291200704?= Simplify using the devm_regulator_get_enable_optional(). Also drop the seemingly unused struct member 'hdmi_supply'. Signed-off-by: Matti Vaittinen --- v3 => v4: - split meson part to own patch RFCv1 => v2: - Change also sii902x to use devm_regulator_bulk_get_enable() Please note - this is only compile-tested due to the lack of HW. Careful review and testing is _highly_ appreciated. --- drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++-------------------- 1 file changed, 3 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index 5cd2b2ebbbd3..7642f740272b 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -140,7 +140,6 @@ struct meson_dw_hdmi { struct reset_control *hdmitx_apb; struct reset_control *hdmitx_ctrl; struct reset_control *hdmitx_phy; - struct regulator *hdmi_supply; u32 irq_stat; struct dw_hdmi *hdmi; struct drm_bridge *bridge; @@ -665,11 +664,6 @@ static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi) } -static void meson_disable_regulator(void *data) -{ - regulator_disable(data); -} - static void meson_disable_clk(void *data) { clk_disable_unprepare(data); @@ -723,20 +717,9 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master, meson_dw_hdmi->data = match; dw_plat_data = &meson_dw_hdmi->dw_plat_data; - meson_dw_hdmi->hdmi_supply = devm_regulator_get_optional(dev, "hdmi"); - if (IS_ERR(meson_dw_hdmi->hdmi_supply)) { - if (PTR_ERR(meson_dw_hdmi->hdmi_supply) == -EPROBE_DEFER) - return -EPROBE_DEFER; - meson_dw_hdmi->hdmi_supply = NULL; - } else { - ret = regulator_enable(meson_dw_hdmi->hdmi_supply); - if (ret) - return ret; - ret = devm_add_action_or_reset(dev, meson_disable_regulator, - meson_dw_hdmi->hdmi_supply); - if (ret) - return ret; - } + ret = devm_regulator_get_enable_optional(dev, "hdmi"); + if (ret != -ENODEV) + return ret; meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev, "hdmitx_apb");