From patchwork Fri Oct 21 13:18:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 13014811 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAAFEC4332F for ; Fri, 21 Oct 2022 13:18:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229792AbiJUNSu (ORCPT ); Fri, 21 Oct 2022 09:18:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230432AbiJUNSc (ORCPT ); Fri, 21 Oct 2022 09:18:32 -0400 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EF9027354E; Fri, 21 Oct 2022 06:18:10 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id b1so5049344lfs.7; Fri, 21 Oct 2022 06:18:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ihyfIhpnzq65oKa3RDOB7v3ysoQ+yvmg3Y0WFsPd1bw=; b=I9NeRnvmBddsliQwQ2JpFRY+yBhvSinkJq/RCwn5uMf4MgZObYFZAv/iOK3QP8HDji 9FhiOcX3yboLmgid/jqKyVngYBvuPvf5BkzKMNFWrL8KQT1Tl6iFXObUupxvMPyj6ipV hTwvZClXLoQOmaru2RChDi02M5YSHTfFduAL2+4oTQGWTpzWlEA43DlIrC6Xrq73NH5O 7Zs1g3PN9W+9D9GL2WBG90EoQeCFaYYsg3kjewxiPQUlMaz2PZmj+0fcCPZO2Un+43ag 2qgx1yDok3Bs6op5lq+uaO6uVmesvlIp5o4EQAeDUAca5dg6zkwSVqXiapNee7MfkIoj SUGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ihyfIhpnzq65oKa3RDOB7v3ysoQ+yvmg3Y0WFsPd1bw=; b=jVb9PcnpXr+uEaKDgc7OtKLl5ba5omCn5WlvLO1hVWXNw1jF8Pxl9sU64NjFke7OwZ haG4gaZI0rCSqapdDdj9So+Ib78bAdqYRlKDcxDfdmyBAfBDxPhg2VEBPpmzBDvRnmqk K5bHOPttgiGIlb5N3ndlhoXVAKeuUiDbR/Z9rlVb2hwarP3eHbblDyDNGWmSCgyMafb6 rmSg2+mJeSQKVZfzJwRGWdRW4ZO0Brfr9A/XzwlsUcJ33E4u9Nh91wBGaSAKuW1uQ6JS phV3F5a1nfJFKavn91hYeSKKDlnbcgO0lPES7EJ/n/yCn4FxGctovhTxciwpoYKzUr/H PPzA== X-Gm-Message-State: ACrzQf0L6qSqccQb1TD9EYuWqPnTUsGt/szVCz37x4LBkCLtgBnlFJK9 MWVbacdBtVHeWTxSaIExM8o= X-Google-Smtp-Source: AMsMyM5r/E/MTpA6dpEKyj/vPwlJ3EnRAGRQWeDHieNWdktxJ3gFXIx6Cn2GnJ4y5gYcXpejtbqXhg== X-Received: by 2002:a05:6512:3085:b0:4a2:7d80:d4b4 with SMTP id z5-20020a056512308500b004a27d80d4b4mr7150541lfd.534.1666358288796; Fri, 21 Oct 2022 06:18:08 -0700 (PDT) Received: from dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi (dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi. [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: Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Simplify using the devm_regulator_get_enable_optional(). Also drop the seemingly unused struct member 'hdmi_supply'. Signed-off-by: Matti Vaittinen Reviewed-by: Neil Armstrong --- 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"); From patchwork Fri Oct 21 13:18:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 13014812 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA727C433FE for ; Fri, 21 Oct 2022 13:19:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230425AbiJUNTS (ORCPT ); Fri, 21 Oct 2022 09:19:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230465AbiJUNSr (ORCPT ); Fri, 21 Oct 2022 09:18:47 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FD62270237; Fri, 21 Oct 2022 06:18:31 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id bu25so5097545lfb.3; Fri, 21 Oct 2022 06:18:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=qI3A82j8OlKFN8/s3EGSbVRexJ10lYyCFaVb3RuN9Is=; b=EddB7/l5OXNdqlNUaGLu6aYnT5u8eGmGUOD2LYBqpyC6BKfPYZSYjogyqbQOlfXZZy LHTBXr9JUt6OuGdzhxu2SG3s5TacFmpQaIT2wnAsCqshT3K20Nz1wmhTvB9GJS4sniFw MxRcFTStp17cAXYvqFLjHmGbs8xL3sMUNhmIvnhfkDhZFVzcM5glxRRHXkgtIBJ6oAh8 UBDaGKp5DR2lqAnNbXK8Pcvnj2UP9k+BXMrycOGj30rNUmyjnz4tESR3q16OAi/4KVe4 B12c7lBrRPym7hKeHuI0FRXMOqSt7vyf2OGG5bbr0//KRXUEPOrAH9V2OeDs+00yCoX+ lJIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=qI3A82j8OlKFN8/s3EGSbVRexJ10lYyCFaVb3RuN9Is=; b=NLghEedr8qJ5jBB/3yz0J0LyrXjBNejhUIe/QywqKf24n7aMoR6TAaNDP5Up8m1cMl P1Yrc29pI6xSK0rYJXFzqaF2fSsTTet9xKuvN5t/vEtov3+UHg9hMiSj8Z+vxi6H+T5o ZfOXCv3cFQFk1et4/isH82+u5hey6xCbda5pLL5QQu6OkN377YrSQgx+HXQoYs3bPuG2 gdO7yTvwQvytzXcVLjNUiRpFj5n1NxyKIQOqGBzAJYGki87YK9+bJNiut/pUnxM+X/jh 5TZokSdrtATMwG2J0LlvIl6DC9UHg7r7jywSdqXmESOTynlqc/z1eZi7P1lNlLPDHTwH hd8A== X-Gm-Message-State: ACrzQf2KeApwnVNDWPzK06bVgMx4nvwtb9yzZRXwHzZGKvey9FBEXcio GWPZ8H/Y7CoakZAt04bRZv4= X-Google-Smtp-Source: AMsMyM6YSuN5NBVb/th5/FcRZVreCEibK29TtTjbtKUF0vDw9NIOEje3N82DjgRRlHan4QPs87ovyg== X-Received: by 2002:a05:6512:681:b0:489:d509:e076 with SMTP id t1-20020a056512068100b00489d509e076mr7399577lfe.618.1666358309446; Fri, 21 Oct 2022 06:18:29 -0700 (PDT) Received: from dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi (dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi. [2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id f5-20020a2e9e85000000b0026dfdcbccdasm3400209ljk.14.2022.10.21.06.18.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:18:28 -0700 (PDT) Date: Fri, 21 Oct 2022 16:18:23 +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 2/4] gpu: drm: sii902x: Use devm_regulator_bulk_get_enable() Message-ID: <1ed8351c2cb4911fcda21b97f7a7b089e955c301.1666357434.git.mazziesaccount@gmail.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Simplify using devm_regulator_bulk_get_enable() Signed-off-by: Matti Vaittinen Reviewed-by: Robert Foss Acked-by: Robert Foss --- v3 => v4: - split to own patch. - return directly the value returned by the dev_err_probe() Please note - this is only compile-tested due to the lack of HW. Careful review and testing is _highly_ appreciated --- drivers/gpu/drm/bridge/sii902x.c | 26 ++++---------------------- 1 file changed, 4 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 878fb7d3732b..f6e8b401069b 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -171,7 +171,6 @@ struct sii902x { struct drm_connector connector; struct gpio_desc *reset_gpio; struct i2c_mux_core *i2cmux; - struct regulator_bulk_data supplies[2]; bool sink_is_hdmi; /* * Mutex protects audio and video functions from interfering @@ -1072,6 +1071,7 @@ static int sii902x_probe(struct i2c_client *client, struct device *dev = &client->dev; struct device_node *endpoint; struct sii902x *sii902x; + static const char * const supplies[] = {"iovcc", "cvcc12"}; int ret; ret = i2c_check_functionality(client->adapter, @@ -1122,27 +1122,11 @@ static int sii902x_probe(struct i2c_client *client, mutex_init(&sii902x->mutex); - sii902x->supplies[0].supply = "iovcc"; - sii902x->supplies[1].supply = "cvcc12"; - ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); + ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(supplies), supplies); if (ret < 0) - return ret; - - ret = regulator_bulk_enable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); - if (ret < 0) { - dev_err_probe(dev, ret, "Failed to enable supplies"); - return ret; - } + return dev_err_probe(dev, ret, "Failed to enable supplies"); - ret = sii902x_init(sii902x); - if (ret < 0) { - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); - } - - return ret; + return sii902x_init(sii902x); } static void sii902x_remove(struct i2c_client *client) @@ -1152,8 +1136,6 @@ static void sii902x_remove(struct i2c_client *client) i2c_mux_del_adapters(sii902x->i2cmux); drm_bridge_remove(&sii902x->bridge); - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); } static const struct of_device_id sii902x_dt_ids[] = { From patchwork Fri Oct 21 13:18:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 13014813 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B41E6C4332F for ; Fri, 21 Oct 2022 13:19:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229542AbiJUNTS (ORCPT ); Fri, 21 Oct 2022 09:19:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230495AbiJUNTA (ORCPT ); Fri, 21 Oct 2022 09:19:00 -0400 Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DDCB270236; Fri, 21 Oct 2022 06:18:50 -0700 (PDT) Received: by mail-lj1-x236.google.com with SMTP id a25so3744635ljk.0; Fri, 21 Oct 2022 06:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=pRkhXHMl4TQ/DqaAGRL8GCynFjjb+3hTJyL1LA0fGPI=; b=WgobnPDdXrxxYqHttfwgpj1q5gAY72WGanvgflFsMOySjkHmZ4ZH4p7AB0RtJyA3KR LAQJzEZ7NujWLO07huI2EltfmcuGTsWpKfAxegLQF6ITGT5ldA3qdzhI3F4kFUq4yVGw zaIz7sxHn5cE8lamSLUKUO0ZVDZZNZAIVmGSTwuP4f8oGB8ATSsPMkGX2VDO/4i5MZNi bPGdh+ZVAvIhLxkO1TLvj50dkUl/1NOl0SeeLJjHwicmqljgCcVMVsjgf6Lg53kjC09m dNUk9rCAkhIQhKjM82dlPBTIwqx7IB9jFo3fTAy7E717X6RDH/DQOgQqpIuQ5070bUD0 Z6gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=pRkhXHMl4TQ/DqaAGRL8GCynFjjb+3hTJyL1LA0fGPI=; b=wAMVbd/DgFo3RgrZSCoGdGawxZiKoRWQCnL40dL69xlc/VgApLI5wF9yiXrkPWwBwg as2wNoE/oeCPRb5ij4V8tQNk9lKvA9BaJaS8R283zQSZeCuWgdDJX93Hz7zlkuOxFuh0 U8Nv9mdJjp9vI8ZmUTVAGFBhEC4sGFz4AN2Tsv1YA6LJzY197aGbrFyRPsgAZoBceXld XxhQUsAe+ORiv8hODTbS8SaEQwe9os0YjH/YhjxmjYzb7P3BpOByjWEOhim2vBklJLsy DuowOAtPnO4gj9Y6+wm9ZpoJ/puQVcdH5Qdi7YupRmPKHCC4Ns8ja5ldCCTENpvLQ+nZ vg2w== X-Gm-Message-State: ACrzQf2j36vyJRynPQtky/JV2sHtFKt0b3y9hVb/3pq9I/GWW5DvPTrc aX8liCgpGx9/6tF8XAQ+f14= X-Google-Smtp-Source: AMsMyM5ZI9LOvAWowEwE1BQiARts/ZjcHuWX/l3x5n+ReleYNXhDm3X/s5vQQklCiZ0l7SohVfPGEA== X-Received: by 2002:a2e:a7d0:0:b0:26f:d241:483b with SMTP id x16-20020a2ea7d0000000b0026fd241483bmr6279663ljp.426.1666358328736; Fri, 21 Oct 2022 06:18:48 -0700 (PDT) Received: from dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi (dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi. [2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id 9-20020ac25f49000000b0049944ab6895sm3150402lfz.260.2022.10.21.06.18.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:18:47 -0700 (PDT) Date: Fri, 21 Oct 2022 16:18:43 +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 3/4] hwmon: lm90: simplify using devm_regulator_get_enable() Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(), add_action_or_reset(regulator_disable)' and use the devm_regulator_get_enable(). Signed-off-by: Matti Vaittinen Acked-by: Guenter Roeck --- RFCv1 => v2: - No changes --- drivers/hwmon/lm90.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index db595f7d01f8..a3f95ba00dbf 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -2663,11 +2663,6 @@ static void lm90_remove_pec(void *dev) device_remove_file(dev, &dev_attr_pec); } -static void lm90_regulator_disable(void *regulator) -{ - regulator_disable(regulator); -} - static int lm90_probe_channel_from_dt(struct i2c_client *client, struct device_node *child, struct lm90_data *data) @@ -2749,24 +2744,13 @@ static int lm90_probe(struct i2c_client *client) struct device *dev = &client->dev; struct i2c_adapter *adapter = client->adapter; struct hwmon_channel_info *info; - struct regulator *regulator; struct device *hwmon_dev; struct lm90_data *data; int err; - regulator = devm_regulator_get(dev, "vcc"); - if (IS_ERR(regulator)) - return PTR_ERR(regulator); - - err = regulator_enable(regulator); - if (err < 0) { - dev_err(dev, "Failed to enable regulator: %d\n", err); - return err; - } - - err = devm_add_action_or_reset(dev, lm90_regulator_disable, regulator); + err = devm_regulator_get_enable(dev, "vcc"); if (err) - return err; + return dev_err_probe(dev, err, "Failed to enable regulator\n"); data = devm_kzalloc(dev, sizeof(struct lm90_data), GFP_KERNEL); if (!data) From patchwork Fri Oct 21 13:19:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 13014814 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47ACFC43217 for ; Fri, 21 Oct 2022 13:19:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229685AbiJUNTT (ORCPT ); Fri, 21 Oct 2022 09:19:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231173AbiJUNTO (ORCPT ); Fri, 21 Oct 2022 09:19:14 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0A6C5C9C3; Fri, 21 Oct 2022 06:19:12 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id f37so5022230lfv.8; Fri, 21 Oct 2022 06:19:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=kSylMpx0YFsO31Hjkjkcjn2msnx+oITUaLGfh+0vVIE=; b=pCPCyBdcW1Dxce4rSpZGxMbdmm3k4A8+8OJ+rBpD3sbTSRkrm98zqrhlvRnQWFeiPg MvE5i8PbKLTNGMCyql6GsXQQQ4AR2ycbx55uOON8fjLAXKw1N1IBmzFeQxB0fFF0QTvZ sCGFD9eb/7U66Fpi96reXKRp56nrV4AmnyftOqBEv2yi3p1CsRspKkhJVvp6/3qJ1su6 pkHlAUz4/0AKk43eHoddYd1qtd+kWkhCaZublMPgaLlXzl7DWblkEvA7QSZTmVRiU630 2QBEo8/zjdrjSYeh4Rw9zactbfWk8r4o2nbgHhwqzAUkO1V/qtgpjOR8LbtCfaPN8YmA /Xtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=kSylMpx0YFsO31Hjkjkcjn2msnx+oITUaLGfh+0vVIE=; b=IcTlfFt/B9gO994TEG10yP1jztBiFsAYwCQCoGZPJiYM2IVnYh3Z1ff38NBySwdrRG UD5RYZ3BJJmnnBMauXjHG7Kl39YnLdh160j7fwOcl/NJGWyuDZ4p/J6TlzTcQ2KaUP4N 3qlVtOBZ+Dj0h3+Co0CypKphHyOTDPsVlUHjkJe/aumcgJnDKuNIQMm3RnExkyi5KH2V n6+ADhHBOKI/v3/dfumtc/ji+d93Y7fgD1mLdtdfhwuyG8OXvxqHrHLNrqnOV1bgnFOY 6Kj9jRsL9kDlbLjRqcJVJKU+6GqnXHXiAZ0gRZIgjY7hsrrte9wb6TxjBzrv/xENWlPV PCRQ== X-Gm-Message-State: ACrzQf01QhQOGzTPhRXkAy5NO/nQmPIK/KmR0ITwaORGEUtTPITNqFYf x/hn8cQrYxcAYx6bgAxVT4g= X-Google-Smtp-Source: AMsMyM4B1Gz1PwwH2+BbftHuFfixXyGIDvs32ddQqbNWh+grybL2k3HLNZB+9j1dXvJuph8bTTYW2w== X-Received: by 2002:a05:6512:1681:b0:4a2:1925:e3ff with SMTP id bu1-20020a056512168100b004a21925e3ffmr7580907lfb.517.1666358350758; Fri, 21 Oct 2022 06:19:10 -0700 (PDT) Received: from dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi (dc75zzyyyyyyyyyyyyyby-3.rev.dnainternet.fi. [2001:14ba:16f3:4a00::2]) by smtp.gmail.com with ESMTPSA id t28-20020a05651c205c00b0026e02eb613csm3398419ljo.18.2022.10.21.06.19.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 06:19:09 -0700 (PDT) Date: Fri, 21 Oct 2022 16:19:04 +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 4/4] hwmon: adm1177: simplify using devm_regulator_get_enable() Message-ID: <7773541795f280db31dd981ffc21df8a630b794a.1666357434.git.mazziesaccount@gmail.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(), add_action_or_reset(regulator_disable)' and use the devm_regulator_get_enable() and drop the pointer to the regulator. This simplifies code and makes it less tempting to add manual control for the regulator which is also controlled by devm. Signed-off-by: Matti Vaittinen Acked-by: Guenter Roeck --- v2 => v3: New patch --- drivers/hwmon/adm1177.c | 27 +++------------------------ 1 file changed, 3 insertions(+), 24 deletions(-) diff --git a/drivers/hwmon/adm1177.c b/drivers/hwmon/adm1177.c index 0c5dbc5e33b4..be17a26a84f1 100644 --- a/drivers/hwmon/adm1177.c +++ b/drivers/hwmon/adm1177.c @@ -26,14 +26,12 @@ /** * struct adm1177_state - driver instance specific data * @client: pointer to i2c client - * @reg: regulator info for the power supply of the device * @r_sense_uohm: current sense resistor value * @alert_threshold_ua: current limit for shutdown * @vrange_high: internal voltage divider */ struct adm1177_state { struct i2c_client *client; - struct regulator *reg; u32 r_sense_uohm; u32 alert_threshold_ua; bool vrange_high; @@ -189,13 +187,6 @@ static const struct hwmon_chip_info adm1177_chip_info = { .info = adm1177_info, }; -static void adm1177_remove(void *data) -{ - struct adm1177_state *st = data; - - regulator_disable(st->reg); -} - static int adm1177_probe(struct i2c_client *client) { struct device *dev = &client->dev; @@ -210,21 +201,9 @@ static int adm1177_probe(struct i2c_client *client) st->client = client; - st->reg = devm_regulator_get_optional(&client->dev, "vref"); - if (IS_ERR(st->reg)) { - if (PTR_ERR(st->reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - st->reg = NULL; - } else { - ret = regulator_enable(st->reg); - if (ret) - return ret; - ret = devm_add_action_or_reset(&client->dev, adm1177_remove, - st); - if (ret) - return ret; - } + ret = devm_regulator_get_enable_optional(&client->dev, "vref"); + if (ret == -EPROBE_DEFER) + return -EPROBE_DEFER; if (device_property_read_u32(dev, "shunt-resistor-micro-ohms", &st->r_sense_uohm))