From patchwork Mon Jan 3 14:53:24 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: 12702581 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 01318C433EF for ; Mon, 3 Jan 2022 14:54:13 +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:References:In-Reply-To: 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: List-Owner; bh=bH0Etc72j1nZgqO2R+a6SDDkdAiicdtQwq/BXIuTWoQ=; b=0ByWnlHkLe+qdZ Gevgs8QorC4gQAkgWNe1jIgnJ+l3+gv8/8UDy9KKcNCRthx3CEpcvoSH6AnSRZyiCLrBwuXqIz7+d vpXPbRiLCDtT/zHeuN069qKoEKSynF0UJb49FXZ+WI2Azg73Lqrdc3jrjvXQ2wMmOQNkSpcQi97aZ w5hMHRel1cfNjudyrncAvDwg5mk7EAMzxVNuqOWeHh92puXrFGQbB6skSGhNVXpo4YM4rYtD5DbR2 aUvqRPCB6GdtrXLvDdi7WBNIEgPpc3uq51xGqq0Q+na9IfhIhMHqGV1YPdXaPn0n4IDMD3TrMsLVr mohY2nBKAl0GTcLizxCg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4Oiu-009Fc7-Sm; Mon, 03 Jan 2022 14:54:08 +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 1n4OiK-009FOl-OD; Mon, 03 Jan 2022 14:53:35 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 104261F403D7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1641221611; bh=4lRW2VG+0+p2tLc6QpXE9I8vDpcPYutZzSZUO5j1/bk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mrOCpcBLKjsqok0PsMFVOHn/BGN16+E8tu3N8vBfD7RjPeL4wc5C3kJjEzJnOtMFa 37N2jIHf9SQpwDIiR1SizFv2aQdZbmxKgkejdYfedoGI00DQxCdj5kYf/mSZme6qHj zIShumWfhKpqzdC/4YRHcixNVkM/0QMGo0pk1CyCy5C7/72AlsuJ28z8+XPBFcAUPD txzAaBvpsKWDz4NO/lq+Fz65SURLkOZ9YCHPD5Qnf+xq/7pXCOJXOz9rlcs/bz1VRh +sr4L1FYTrtkyR1IM0aKIvikuusdgjbpESNBQKj76p6Ti8xEn4ECbAKxr+XP1yQ0Cf SJaB49QgLJEfQ== 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 3/3] phy: mediatek: phy-mtk-mipi-dsi: Simplify with dev_err_probe() Date: Mon, 3 Jan 2022 15:53:24 +0100 Message-Id: <20220103145324.48008-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220103145324.48008-1-angelogioacchino.delregno@collabora.com> References: <20220103145324.48008-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220103_065332_941620_4788478E X-CRM114-Status: UNSURE ( 9.84 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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-mipi-dsi.c | 29 +++++++++---------------- 1 file changed, 10 insertions(+), 19 deletions(-) diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c index 6f7425b0bf5b..4b77508f5241 100644 --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c @@ -148,11 +148,9 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) return PTR_ERR(mipi_tx->regmap); ref_clk = devm_clk_get(dev, NULL); - if (IS_ERR(ref_clk)) { - ret = PTR_ERR(ref_clk); - dev_err(dev, "Failed to get reference clock: %d\n", ret); - return ret; - } + if (IS_ERR(ref_clk)) + return dev_err_probe(dev, PTR_ERR(ref_clk), + "Failed to get reference clock\n"); ret = of_property_read_u32(dev->of_node, "drive-strength-microamp", &mipi_tx->mipitx_drive); @@ -172,27 +170,20 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) 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"); clk_init.ops = mipi_tx->driver_data->mipi_tx_clk_ops; mipi_tx->pll_hw.init = &clk_init; mipi_tx->pll = devm_clk_register(dev, &mipi_tx->pll_hw); - if (IS_ERR(mipi_tx->pll)) { - ret = PTR_ERR(mipi_tx->pll); - dev_err(dev, "Failed to register PLL: %d\n", ret); - return ret; - } + if (IS_ERR(mipi_tx->pll)) + return dev_err_probe(dev, PTR_ERR(mipi_tx->pll), "Cannot register PLL\n"); phy = devm_phy_create(dev, NULL, &mtk_mipi_tx_ops); - if (IS_ERR(phy)) { - ret = PTR_ERR(phy); - dev_err(dev, "Failed to create MIPI D-PHY: %d\n", ret); - return ret; - } + if (IS_ERR(phy)) + return dev_err_probe(dev, PTR_ERR(phy), "Failed to create MIPI D-PHY\n"); + phy_set_drvdata(phy, mipi_tx); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);