From patchwork Fri Aug 12 10:11:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 12942108 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 02608C00140 for ; Fri, 12 Aug 2022 10:13:19 +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=7FLUcczrXVteuZ0hpNMf1EBURv3m2bWB/1kSq6uH1W8=; b=zvO+a2RrmayJDK9BUcHZE34Xn6 bkqnYc1T482uuj9Hcrt8Y6B0ZZW3wPKKa3vTJZP0v6zWZEYMW/vPaPpZ5UZWEP9vJ3GcL5SMx1Whx 7SU7WUP2EPVkCMVomIxy2N7dMWYOJsfSkARTWGTGi94FlKv9ixiYFIBq+ZoPFJ7WT5MNWBW3S5lSU t8/5C7dDsa3yY+Xli5brJG7TDFTYAhIKiaTFdE2tou0gY8jSmAgwok9TwPV1vAmQOYndMcgm9n13Q Dts2CSx1AQRjYNkbzJ510fZOfcwGVxxc1Hx0Jy9kXPKOzMAbPQL0avYpa8Bh6ZS3gtcOUpdQw/bjY cEZ0za6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMReD-004nzG-BJ; Fri, 12 Aug 2022 10:12:11 +0000 Received: from mail-lf1-x130.google.com ([2a00:1450:4864:20::130]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMRdf-004n7h-KT; Fri, 12 Aug 2022 10:11:39 +0000 Received: by mail-lf1-x130.google.com with SMTP id a9so684533lfm.12; Fri, 12 Aug 2022 03:11:35 -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=6aDzddAdi44gYxrtGzveI8akk+ZLwKh2Jsp1l+35n5M=; b=Q+3sLXPMIeE2lr8ycY3m5xLmWKjUKdY+/y2OWnnTBfTY4EuhUxMHlTfjcNOi1HTbkt 3dBmfvGNeHbZ0HbmM4st2HjDTDHYu26MMAOXD6OJEcfS/HQvuSBlinhjrPCQc1mAqJzd POaxkLRQGk9/fw/H6a1YB80KUrRYJvylB2tJhxXxE15r5GZhc+HhE9QVhGE8b4MG503F JAEG67em8oUa4w0Vutxw67ugsmfW8GyNxbRDSL37q+XW1toBFfJoB+n00OG64sHSXULS 4x0NYx2TlidOqAM+vExwUDYG85Yi5K6zRZhN8Ac0nuQFwxwhHWesDxw1H5+MFcsiKa6c iFQA== 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=6aDzddAdi44gYxrtGzveI8akk+ZLwKh2Jsp1l+35n5M=; b=VPBtFj9dMVHWGnTWVr7MBqsv3D7nA61Jdl4XPJNkHY2I9XxE+qQ6yHxeOknJDKtsSq Owiqo+RBXI02Ie2+rnLtgszlU6A4VS/3vYpbtmpHEvDwaPCJihL876FelcWBTl7Hi/La EyU9jRlLkCv/JHxQNSa212tewv+Po/2UO+bqn16P/IEoYyFl0DlD8ttarxaqCnjqU/YB xcNIb1zOAq5aySIry28kEtLngQeD37TyvvqwZ1kRwH74vPqQoCSUaSales633A98jlXR tTLPCuZfhYUSa5s2BvlbKbyRx6qRKUb317e6qNkC1M0gk8QEUTy9YvexpV+WN7ybRF8H E0SA== X-Gm-Message-State: ACgBeo1bsn1BErnu9adHsHWCFyUyD7rGIk0rp94OuxvJcK19UqheJ9T3 32HdPa0rLS83K7CBPFTwL+Y= X-Google-Smtp-Source: AA6agR5pNSqr97WKqmglCzCsOwtkCD5QhIzi4+k+Y/zOxRe9qNoFU4jVUA/TOBFEMWXyD+dQOb+w0Q== X-Received: by 2002:a05:6512:3403:b0:48c:9727:50b0 with SMTP id i3-20020a056512340300b0048c972750b0mr972034lfr.309.1660299094169; Fri, 12 Aug 2022 03:11:34 -0700 (PDT) Received: from fedora ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id t13-20020a056512068d00b0048b052a7980sm160143lfe.168.2022.08.12.03.11.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Aug 2022 03:11:33 -0700 (PDT) Date: Fri, 12 Aug 2022 13:11:29 +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 , 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 Subject: [PATCH v2 5/7] gpu: drm: simplify drivers using devm_regulator_*get_enable*() Message-ID: <986ab4650ee4fb6fa9ec1a813152ac36da6119ce.1660292316.git.mazziesaccount@gmail.com> References: MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220812_031135_782730_8A029A01 X-CRM114-Status: GOOD ( 16.73 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Simplify drivers using managed "regulator get and enable". meson: Use the devm_regulator_get_enable_optional(). Also drop the seemingly unused struct member 'hdmi_supply'. sii902x: Simplify using devm_regulator_bulk_get_enable() Signed-off-by: Matti Vaittinen --- 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/bridge/sii902x.c | 22 +++------------------- drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++-------------------- 2 files changed, 6 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 65549fbfdc87..4bf572b7ca77 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -170,7 +170,6 @@ 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 @@ -1070,6 +1069,7 @@ 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, @@ -1120,27 +1120,13 @@ 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); - if (ret < 0) - return ret; - - ret = regulator_bulk_enable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); + ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(supplies), supplies); if (ret < 0) { dev_err_probe(dev, ret, "Failed to enable supplies"); return ret; } - ret = sii902x_init(sii902x); - if (ret < 0) { - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), - sii902x->supplies); - } - - return ret; + return sii902x_init(sii902x); } static int sii902x_remove(struct i2c_client *client) @@ -1150,8 +1136,6 @@ static int 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); return 0; } 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");