From: Yangtao Li <frank.li@vivo.com>
Date: Mon, 10 Jul 2023 03:23:49 +0000 (+0800)
Subject: drm/tegra: dpaux: Fix incorrect return value of platform_get_irq
X-Git-Tag: v6.4.16~391
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=39f5dc484ea284a159a5981e152cee7c4476921b;p=thirdparty%2Fkernel%2Fstable.git

drm/tegra: dpaux: Fix incorrect return value of platform_get_irq

[ Upstream commit 2a1ca44b654346cadfc538c4fb32eecd8daf3140 ]

When platform_get_irq fails, we should return dpaux->irq
instead of -ENXIO.

Fixes: 6b6b604215c6 ("drm/tegra: Add eDP support")
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230710032355.72914-13-frank.li@vivo.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 4d2677dcd8315..68ded2e34e1cf 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -468,7 +468,7 @@ static int tegra_dpaux_probe(struct platform_device *pdev)
 
 	dpaux->irq = platform_get_irq(pdev, 0);
 	if (dpaux->irq < 0)
-		return -ENXIO;
+		return dpaux->irq;
 
 	if (!pdev->dev.pm_domain) {
 		dpaux->rst = devm_reset_control_get(&pdev->dev, "dpaux");