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Message-ID: <20240507060815.GF26689@pendragon.ideasonboard.com>
Date: Tue, 7 May 2024 09:08:15 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Ricardo Ribalda <ribalda@...omium.org>
Cc: 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>,
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>
Subject: Re: [PATCH v2 1/2] media: bcm2835-unicam: Do not replace IRQ retcode
during probe
Hi Ricardo,
Thank you for the patch.
On Mon, May 06, 2024 at 07:24:46PM +0000, Ricardo Ribalda wrote:
> platform_get_irq() cannot return the value 0. It will either return a non-zero
> irq or a errcode.
>
> If a errcode is returned, we need to populate the error code upwards. It will
> give a more accurate reason of why it failed to the caller, who might decide
> to retry later.
>
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
Aren't git commit messages supposed to be wrapped at 72 columns ?
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> ---
> drivers/media/platform/broadcom/bcm2835-unicam.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/broadcom/bcm2835-unicam.c b/drivers/media/platform/broadcom/bcm2835-unicam.c
> index bd2bbb53070e..60c0fe956c58 100644
> --- a/drivers/media/platform/broadcom/bcm2835-unicam.c
> +++ b/drivers/media/platform/broadcom/bcm2835-unicam.c
> @@ -2660,9 +2660,8 @@ static int unicam_probe(struct platform_device *pdev)
> }
>
> ret = platform_get_irq(pdev, 0);
> - if (ret <= 0) {
> + if (ret < 0) {
> dev_err(&pdev->dev, "No IRQ resource\n");
> - ret = -EINVAL;
> goto err_unicam_put;
> }
>
> @@ -2670,7 +2669,6 @@ static int unicam_probe(struct platform_device *pdev)
> "unicam_capture0", unicam);
> if (ret) {
> dev_err(&pdev->dev, "Unable to request interrupt\n");
> - ret = -EINVAL;
> goto err_unicam_put;
> }
>
--
Regards,
Laurent Pinchart
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