linux-kernel - [PATCH linux-next 1/2] gpu: drm: tegra: dpaux: Use dev_err

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Message-ID: <20250402193758365XauggSF2EWBYY-e_jgNch@zte.com.cn>
Date: Wed, 2 Apr 2025 19:37:58 +0800 (CST)
From: <shao.mingyin@....com.cn>
To: <thierry.reding@...il.com>, <laurent.pinchart@...asonboard.com>
Cc: <mperttunen@...dia.com>, <airlied@...il.com>, <simona@...ll.ch>,
        <jonathanh@...dia.com>, <dri-devel@...ts.freedesktop.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <tomi.valkeinen@...asonboard.com>, <maarten.lankhorst@...ux.intel.com>,
        <mripard@...nel.org>, <tzimmermann@...e.de>, <michal.simek@....com>,
        <linux-arm-kernel@...ts.infradead.org>, <yang.yang29@....com.cn>,
        <xu.xin16@....com.cn>, <ye.xingchen@....com.cn>,
        <zhang.enpei@....com.cn>
Subject: [PATCH linux-next 1/2] gpu: drm: tegra: dpaux: Use dev_err_probe()

From: Zhang Enpei <zhang.enpei@....com.cn>

Replace the open-code with dev_err_probe() to simplify the code.

Signed-off-by: Zhang Enpei <zhang.enpei@....com.cn>
Signed-off-by: Shao Mingyin <shao.mingyin@....com.cn>
---
 drivers/gpu/drm/tegra/dpaux.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 2cd8dcb959c0..e5297ac5c0fc 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -501,14 +501,9 @@ static int tegra_dpaux_probe(struct platform_device *pdev)

 	dpaux->vdd = devm_regulator_get_optional(&pdev->dev, "vdd");
 	if (IS_ERR(dpaux->vdd)) {
-		if (PTR_ERR(dpaux->vdd) != -ENODEV) {
-			if (PTR_ERR(dpaux->vdd) != -EPROBE_DEFER)
-				dev_err(&pdev->dev,
-					"failed to get VDD supply: %ld\n",
-					PTR_ERR(dpaux->vdd));
-
-			return PTR_ERR(dpaux->vdd);
-		}
+		if (PTR_ERR(dpaux->vdd) != -ENODEV)
+			return dev_err_probe(&pdev->dev, PTR_ERR(dpaux->vdd),
+					     "failed to get VDD supply\n");

 		dpaux->vdd = NULL;
 	}
-- 
2.25.1