From patchwork Mon Mar 28 14:52:17 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: 12793741 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 23569C433F5 for ; Mon, 28 Mar 2022 14:53:32 +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=HQG0eFWS+K39Tv8HifU5+VcCDmxmZzCGBtAWQhoLd8U=; b=FdCz7A2WcgeMQK tiuyBxOaxQdfmZ1p+HmMABI3NDxjB8YhvV2ufUDVJvSTpPHdafhHVHJLvJgbbkmS81hMYuMWvWUIb vjkcFb9P49Af+Hy2BeRMRQom40zU7ef58N5bu20A8KUCmuGmFto1Bbt9/UY63XZjaDwyVPFE7OIWW yW+Tq6IXeguObe1hH86kLooAftHPc2ZQSuKyBe8Lu2Q4tugugMysQpSIkdPIcJZY4BopKBU47rxQ3 3i8K5riXxzObmP4JknTKsBf6hWfXr7bOACL/jEdFIKDs2Ui0jDh5/NVBRZhVsIfM8KoCqXabbd9mK WKX3x8Pwd/ZG2/85DTsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nYqjL-009AFt-Bo; Mon, 28 Mar 2022 14:52:27 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nYqjH-009AEm-Nf; Mon, 28 Mar 2022 14:52:25 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id CF2831F40887 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1648479142; bh=XMWA9qgWgkC/u71lI6wm/PuAiM5oal1tM//wU28I3+Q=; h=From:To:Cc:Subject:Date:From; b=KpxYfx5mPacmgWtvt0niX7ZGuHbYIYeRj0xTOMgZP7XUOchwKhPwRxny07to7LuBj OJ9HizD4Ma3B8gwDFN+9W6uFPYL7qjVnfWl+BvvWvZ71uxSlsB1qTCFTtP7oNLmHt0 VO60a4vdL+8Tzth/2i8qMPikMX4EvoI1wuoIsKaU+uGJ5GZ6SpZp01QjQAg07TETb5 +2xfAt/nS2ciDJbTItTh6LFd1P+xmEahKdg5pFrj6iwE8nodPW0W/QA8WEJroO8oHn NyOHs7sVRdDzrysFgIdJhWpuwT5RolACCr4aozGJN2gMfrtIntI3EHQ8WngSSSThs3 aVDTi9XfD5/GA== 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 v2] phy: mediatek: phy-mtk-mipi-dsi: Simplify with dev_err_probe() Date: Mon, 28 Mar 2022 16:52:17 +0200 Message-Id: <20220328145217.228457-1-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_075223_923799_544A8422 X-CRM114-Status: GOOD ( 10.52 ) 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 --- v2: Sorry, v1 was only partial as I have accidentally sent the wrong patch file. Fixed for v2. 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 67b005d5b9e3..28506932bd91 100644 --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi.c +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi.c @@ -154,11 +154,9 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev) return PTR_ERR(mipi_tx->regs); 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); @@ -178,27 +176,20 @@ 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), "Failed to 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);