linux-kernel - [PATCH v2 13/19] drm/tegra: dpaux: Fix incorrect return value of platform_get

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Message-Id: <20230710032355.72914-13-frank.li@vivo.com>
Date:   Mon, 10 Jul 2023 11:23:49 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonathan Hunter <jonathanh@...dia.com>
Cc:     Yangtao Li <frank.li@...o.com>,
        Thierry Reding <treding@...dia.com>,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 13/19] drm/tegra: dpaux: Fix incorrect return value of platform_get_irq

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@...o.com>
---
 drivers/gpu/drm/tegra/dpaux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 4699def04190..f120897ce4b3 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -466,7 +466,7 @@ 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");
-- 
2.39.0