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To:     dri-devel@lists.freedesktop.org,
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        linux-samsung-soc@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>,
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        Seung-Woo Kim <sw0312.kim@samsung.com>
From:   Markus Elfring <Markus.Elfring@web.de>
Subject: [PATCH] drm/exynos: Delete an error message in three functions
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Cc:     LKML <linux-kernel@vger.kernel.org>,
        kernel-janitors@vger.kernel.org,
        Tang Bin <tangbin@cmss.chinamobile.com>
Message-ID: <57b725ed-f705-b5e1-0da6-3d16801c7c85@web.de>
Date:   Sun, 5 Apr 2020 14:18:23 +0200
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 5 Apr 2020 14:10:09 +0200

The function =E2=80=9Cplatform_get_irq=E2=80=9D can log an error already.
Thus omit redundant messages for the exception handling in the
calling functions.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
=2D--
 drivers/gpu/drm/exynos/exynos_drm_dsi.c     | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_rotator.c | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_scaler.c  | 4 +---
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exy=
nos/exynos_drm_dsi.c
index e080aa92338c..a00c6dd16c8a 100644
=2D-- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1813,10 +1813,8 @@ static int exynos_dsi_probe(struct platform_device =
*pdev)
 	}

 	dsi->irq =3D platform_get_irq(pdev, 0);
-	if (dsi->irq < 0) {
-		dev_err(dev, "failed to request dsi irq resource\n");
+	if (dsi->irq < 0)
 		return dsi->irq;
-	}

 	irq_set_status_flags(dsi->irq, IRQ_NOAUTOEN);
 	ret =3D devm_request_threaded_irq(dev, dsi->irq, NULL,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm=
/exynos/exynos_drm_rotator.c
index dafa87b82052..2d94afba031e 100644
=2D-- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -293,10 +293,8 @@ static int rotator_probe(struct platform_device *pdev=
)
 		return PTR_ERR(rot->regs);

 	irq =3D platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to get irq\n");
+	if (irq < 0)
 		return irq;
-	}

 	ret =3D devm_request_irq(dev, irq, rotator_irq_handler, 0, dev_name(dev)=
,
 			       rot);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/=
exynos/exynos_drm_scaler.c
index 93c43c8d914e..ce1857138f89 100644
=2D-- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
@@ -502,10 +502,8 @@ static int scaler_probe(struct platform_device *pdev)
 		return PTR_ERR(scaler->regs);

 	irq =3D platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "failed to get irq\n");
+	if (irq < 0)
 		return irq;
-	}

 	ret =3D devm_request_threaded_irq(dev, irq, NULL,	scaler_irq_handler,
 					IRQF_ONESHOT, "drm_scaler", scaler);
=2D-
2.26.0