linux-kernel - [PATCH 3/3] media: bcm2835-unicam: Do not replace IRQ retcode during probe

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Message-Id: <20240430-fix-broad-v1-3-cf3b81bf97ff@chromium.org>
Date: Tue, 30 Apr 2024 07:51:28 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Florian Fainelli <florian.fainelli@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>
Cc: linux-media@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Hans Verkuil <hverkuil@...all.nl>, Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 3/3] media: bcm2835-unicam: Do not replace IRQ retcode
 during probe

Use the error code generated by platform_get_irq() and
devm_request_irq() as the error code of probe().

It will give a more accurate reason of why it failed.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/platform/broadcom/bcm2835-unicam.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/media/platform/broadcom/bcm2835-unicam.c b/drivers/media/platform/broadcom/bcm2835-unicam.c
index b2b23d24da19..0b2729bf4a36 100644
--- a/drivers/media/platform/broadcom/bcm2835-unicam.c
+++ b/drivers/media/platform/broadcom/bcm2835-unicam.c
@@ -2660,17 +2660,13 @@ static int unicam_probe(struct platform_device *pdev)
 	}
 
 	ret = platform_get_irq(pdev, 0);
-	if (ret < 0) {
-		if (ret != -EPROBE_DEFER)
-			ret = -EINVAL;
+	if (ret < 0)
 		goto err_unicam_put;
-	}
 
 	ret = devm_request_irq(&pdev->dev, ret, unicam_isr, 0,
 			       "unicam_capture0", unicam);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to request interrupt\n");
-		ret = -EINVAL;
 		goto err_unicam_put;
 	}
 

-- 
2.44.0.769.g3c40516874-goog