linux-kernel - Re: [PATCH -next] staging: media: Remove surplus dev_err() when using platform_get

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Date:   Thu, 8 Dec 2022 14:23:47 +0100
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     mchehab@...nel.org, wens@...e.org, jernej.skrabec@...il.com,
        samuel@...lland.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH -next] staging: media: Remove surplus dev_err() when
 using platform_get_irq()

Hi,

On Tue 29 Nov 22, 09:29, Yang Li wrote:
> There is no need to call the dev_err() function directly to print a
> custom message when handling an error from either the platform_get_irq()
> or platform_get_irq_byname() functions as both are going to display an
> appropriate error message in case of a failure.
> 
> ./drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c:390:2-9: line 390 is redundant because platform_get_irq() already prints an error
> 
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3274
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>

Thanks for the fix!

Acked-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>

Paul

> ---
>  drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c
> index 7b7947509b69..a6e813ff413a 100644
> --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c
> +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp.c
> @@ -387,7 +387,6 @@ static int sun6i_isp_resources_setup(struct sun6i_isp_device *isp_dev,
>  
>  	irq = platform_get_irq(platform_dev, 0);
>  	if (irq < 0) {
> -		dev_err(dev, "failed to get interrupt\n");
>  		ret = -ENXIO;
>  		goto error_clock_rate_exclusive;
>  	}
> -- 
> 2.20.1.7.g153144c
> 

-- 
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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