From patchwork Wed Aug 10 11:31:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 12940474 X-Patchwork-Delegate: neil.armstrong@linaro.org 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 458B1C00140 for ; Wed, 10 Aug 2022 11:32:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=b82ryj17E224JOvD8KNh9H1L6efFnWYo/4gIYRxL9QQ=; b=jq6rsAgspO7357FVCNpxCYW2h0 TtfbYX/cnVvuShCS8BfRe3TwR75dB3baPHwRI/HQE/FY6ijCgSKGTpcMntBsTQx0RUBAPVjEAwMc2 V+Ku2MAisX26tj5RKowxKgEKefH7Mhh5ENcmgfjA31MBsC6d18KEayr9FxbIuaBjpgy5JGB1UkCNP 3Ec1H3PkGnbJ+2fvIJZqP5XW6KEcLj2oEoNSROCyg6kzKqXvMIGWZg6gnjbfHsY9vzT34sj5XdEPM gYxToPC46k70rBkazIYYGsdlbk+WE7+tufQwKWLiUN5wjWCWb6f5W42aETQ/DW70RdgXbDCORSYfC 1M66LJxQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oLjwa-00Bald-Ru; Wed, 10 Aug 2022 11:32:12 +0000 Received: from mail-lf1-x135.google.com ([2a00:1450:4864:20::135]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oLjwQ-00Bajk-PW; Wed, 10 Aug 2022 11:32:04 +0000 Received: by mail-lf1-x135.google.com with SMTP id a9so20777848lfm.12; Wed, 10 Aug 2022 04:32:02 -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; bh=0n1Y/OzhfJeE+j8g4UzOYZL6N5O4tDg71xSPH024khI=; b=kA7ZPWE9auNagXtgXGfNtwEbiMHmU8S7bBqOGTC5NBs+JJVZUXFFFEKRBKXN0LiZTT 8P2baQgcumnHOmqX6NsVEjubxnpriOq+frTO+MO9OeJaYrKLoifhAi7spYfhjOGPpc3y /ymTjg8OFT7ro70OslfoDXPppb7eNMwKTJTDA30Gddtjtl4aCrS5bq2+0lwscyTjwPgZ 9XqVPHRM7dh7/p8X7XwoaajDzVBGXk1VM6g2+HW02gSiMnKvuyadkG18Jhgnln7nzXph qujTz7lr0LXTEintAq/wjENu1LQF89E4HU2Wm7mJglCYq5s9eQaZghukzoNwdYwEdEpF TaPw== 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; bh=0n1Y/OzhfJeE+j8g4UzOYZL6N5O4tDg71xSPH024khI=; b=ItBaEJOPoZKlS58hkQH531h/UYGWiwEmUbSSPHYRCou67hAja6q5pzyzT0E0WCzHyJ i2lfdlds08ZhklYlWn74raOlS00dho6vJiGciFrGM+evfSh9Nw9TXTWxLxBclv+8YCgE S/qKxKym7I//1fB3pz2DcXVOFIp2nZDQ2ZGYZs8DXXlXB6Xg0cfZgwuLJ2P1dG5M4R7G Y/dDiol4KGTnT+LOO/e486ped7QdNT5pPzWZNysGcxRKqkPnH2t9XkPtBLdNnzazA7V+ zPnm31qVKsLNxOnknnCgqm7FRmh9NisBKBCRHYEQEHjURPjNJKl7JCT2jzb+u7kYf4c5 hPEA== X-Gm-Message-State: ACgBeo3rRJQHqgGSOGUVi0HVa/Vl/R7EV358wXlY7/0/W6hdJVuNCp+5 +vwqYPBXdMPRF4B3ni30jrI= X-Google-Smtp-Source: AA6agR4HJ7z9C6Qx/mQgUXeus0gaIaf5bRpOkkYd5YSpgaeaMscj9In5G4yyt6jyUcuHoI4k+C+cpw== X-Received: by 2002:a05:6512:13a4:b0:477:a28a:2280 with SMTP id p36-20020a05651213a400b00477a28a2280mr8901373lfa.689.1660131121036; Wed, 10 Aug 2022 04:32:01 -0700 (PDT) Received: from fedora ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id v10-20020a2ea60a000000b0026008acb55asm134927ljp.113.2022.08.10.04.31.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 04:32:00 -0700 (PDT) Date: Wed, 10 Aug 2022 14:31:46 +0300 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Neil Armstrong , David Airlie , Daniel Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Liam Girdwood , Mark Brown , dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 5/7] gpu: drm: meson: simplify using devm_regulator_get_enable_optional() Message-ID: References: MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220810_043202_863936_F47C85E9 X-CRM114-Status: GOOD ( 14.30 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Drop open-coded pattern: 'devm_regulator_get(), regulator_enable(), add_action_or_reset(regulator_disable)' and use the devm_regulator_get_enable_optional(). Also drop the seemingly unused struct member 'hdmi_supply'. Signed-off-by: Matti Vaittinen --- 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");