From patchwork Mon Mar 28 11:10:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12793401 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 88D9CC433F5 for ; Mon, 28 Mar 2022 11:12:15 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=2pt8g5Uf60P3+PNKbsAYu/NDDERf89K27wFD/MBInl8=; b=mCM2vaQugoGvuu ZCunvWGxkfODD5zbiU3SIZBqn175mRpTAUYP1lRgBQB+ue3jekpUkO389DBT3rJICe7wEdmuw2M24 ufJe0TP+B2+wTtuL1EclSUlVWOYXIYRLGHKkqidNPlHb0OwRPvGmbBdaNYHeo9SobxpGhY2lJ5GmS gC/5qUTNZz7qnOr3Mhd3QQRkavFIFAcQwVgQzLdzzXB2lCoj7R+AcG/gs+U2slENSbVI98BQzpV+7 v3GZFzk8lM87ovYBNVF83YvKMD14l0U8a1mVSxtRhAsGK/yrHTY1rt1rsoiUWUxw9XtaRUB7afs/M iGtfR1V7pyOAlj32/dBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nYnHA-008JGs-DV; Mon, 28 Mar 2022 11:11:08 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nYnGx-008JCb-SQ; Mon, 28 Mar 2022 11:10:58 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 3A2661F4088D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1648465853; bh=deTkHQpKA18AAAHiDk9+8wmr9h/b1KiUBqAtpnciiDM=; h=From:To:Cc:Subject:Date:From; b=hXKySC9QHhKT7sSldZtyDiX1Op63uGr0fTT6MEXaGAN5SRqZ7LRaBPLaJ/NTBinOf TgEVNXob5plGTIfNiJuLNw4D+slDko0wRiNEA1qgMejd2no2GR62QPm4fEbIfk3675 lqJmjYpASqlYHTNJ1YNwyw+CA1iUOEAPIlaoUXUN6UsVwNG1wfx3KjQIE9w1SF7a2Z 5Op4c1R0bKX8C+wcWXJa1DhzRXNvy5lf1ACfzdXYogC2lTmhd5Tu/FcprurV3gD+9Z KSFUdpEGCNo++YrLUqlBtTlI1Ri0MjVpP3vd/GJ7dsWyY39ze/UpSziCZApvdNmg/u 0054dM3QeNuqg== From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, chunfeng.yun@mediatek.com, kishon@ti.com, vkoul@kernel.org, matthias.bgg@gmail.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno Subject: [PATCH] phy: mediatek: phy-mtk-hdmi: Simplify with dev_err_probe() Date: Mon, 28 Mar 2022 13:10:46 +0200 Message-Id: <20220328111046.210736-1-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220328_041056_135856_3ABACE26 X-CRM114-Status: UNSURE ( 9.19 ) X-CRM114-Notice: Please train this message. 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 Use the dev_err_probe() helper to simplify error handling during probe. Signed-off-by: AngeloGioacchino Del Regno --- drivers/phy/mediatek/phy-mtk-hdmi.c | 50 +++++++++++------------------ 1 file changed, 19 insertions(+), 31 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c b/drivers/phy/mediatek/phy-mtk-hdmi.c index 5fb4217fb8e0..d4bd419abc3c 100644 --- a/drivers/phy/mediatek/phy-mtk-hdmi.c +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c @@ -120,20 +120,16 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) return PTR_ERR(hdmi_phy->regs); ref_clk = devm_clk_get(dev, "pll_ref"); - if (IS_ERR(ref_clk)) { - ret = PTR_ERR(ref_clk); - dev_err(&pdev->dev, "Failed to get PLL reference clock: %d\n", - ret); - return ret; - } + if (IS_ERR(ref_clk)) + return dev_err_probe(dev, PTR_ERR(ref_clk), + "Failed to get PLL reference clock\n"); + ref_clk_name = __clk_get_name(ref_clk); ret = of_property_read_string(dev->of_node, "clock-output-names", &clk_init.name); - if (ret < 0) { - dev_err(dev, "Failed to read clock-output-names: %d\n", ret); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to read clock-output-names\n"); hdmi_phy->dev = dev; hdmi_phy->conf = @@ -141,25 +137,19 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) mtk_hdmi_phy_clk_get_data(hdmi_phy, &clk_init); hdmi_phy->pll_hw.init = &clk_init; hdmi_phy->pll = devm_clk_register(dev, &hdmi_phy->pll_hw); - if (IS_ERR(hdmi_phy->pll)) { - ret = PTR_ERR(hdmi_phy->pll); - dev_err(dev, "Failed to register PLL: %d\n", ret); - return ret; - } + if (IS_ERR(hdmi_phy->pll)) + return dev_err_probe(dev, PTR_ERR(hdmi_phy->pll), + "Failed to register PLL\n"); ret = of_property_read_u32(dev->of_node, "mediatek,ibias", &hdmi_phy->ibias); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to get ibias: %d\n", ret); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to get ibias\n"); ret = of_property_read_u32(dev->of_node, "mediatek,ibias_up", &hdmi_phy->ibias_up); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to get ibias up: %d\n", ret); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to get ibias_up\n"); dev_info(dev, "Using default TX DRV impedance: 4.2k/36\n"); hdmi_phy->drv_imp_clk = 0x30; @@ -168,17 +158,15 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev) hdmi_phy->drv_imp_d0 = 0x30; phy = devm_phy_create(dev, NULL, mtk_hdmi_phy_dev_get_ops(hdmi_phy)); - if (IS_ERR(phy)) { - dev_err(dev, "Failed to create HDMI PHY\n"); - return PTR_ERR(phy); - } + if (IS_ERR(phy)) + return dev_err_probe(dev, PTR_ERR(phy), "Cannot create HDMI PHY\n"); + phy_set_drvdata(phy, hdmi_phy); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - if (IS_ERR(phy_provider)) { - dev_err(dev, "Failed to register HDMI PHY\n"); - return PTR_ERR(phy_provider); - } + if (IS_ERR(phy_provider)) + return dev_err_probe(dev, PTR_ERR(phy_provider), + "Failed to register HDMI PHY\n"); if (hdmi_phy->conf->pll_default_off) hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);