linux-kernel - [PATCH 3/3] phy: mediatek: phy-mtk-mipi-dsi: Simplify with dev_err

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Message-Id: <20220103145324.48008-3-angelogioacchino.delregno@collabora.com>
Date:   Mon,  3 Jan 2022 15:53:24 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     chunkuang.hu@...nel.org
Cc:     p.zabel@...gutronix.de, chunfeng.yun@...iatek.com, kishon@...com,
        vkoul@...nel.org, matthias.bgg@...il.com,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-kernel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 3/3] phy: mediatek: phy-mtk-mipi-dsi: Simplify with dev_err_probe()

Use the dev_err_probe() helper to simplify error handling during probe.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 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);
-- 
2.33.1