linux-kernel - Re: [PATCH 1/2] Revert "media: rkisp1: Drop IRQF

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Date: Mon, 18 Dec 2023 11:16:27 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc: Dafna Hirschfeld <dafna@...tmail.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Mikhail Rudenko <mike.rudenko@...il.com>,
	Kieran Bingham <kieran.bingham@...asonboard.com>,
	Paul Elder <paul.elder@...asonboard.com>,
	linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] Revert "media: rkisp1: Drop IRQF_SHARED"

Hi Tomi,

Thank you for the patch.

On Mon, Dec 18, 2023 at 09:54:00AM +0200, Tomi Valkeinen wrote:
> This reverts commit 85d2a31fe4d9be1555f621ead7a520d8791e0f74.
> 
> The rkisp1 does share interrupt lines on some platforms, after all. Thus
> we need to revert this, and implement a fix for the rkisp1 shared irq
> handling in a follow-up patch.
> 
> Reported-by: Mikhail Rudenko <mike.rudenko@...il.com>
> Closes: https://lore.kernel.org/all/87o7eo8vym.fsf@gmail.com/
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> index f96f821a7b50..acc559652d6e 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> @@ -559,7 +559,7 @@ static int rkisp1_probe(struct platform_device *pdev)
>  				rkisp1->irqs[il] = irq;
>  		}
>  
> -		ret = devm_request_irq(dev, irq, info->isrs[i].isr, 0,
> +		ret = devm_request_irq(dev, irq, info->isrs[i].isr, IRQF_SHARED,
>  				       dev_driver_string(dev), dev);
>  		if (ret) {
>  			dev_err(dev, "request irq failed: %d\n", ret);

-- 
Regards,

Laurent Pinchart