linux-kernel - Re: [PATCH] remoteproc/davinci: Use dev_err

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Date:   Thu, 23 Mar 2023 16:36:43 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     ye.xingchen@....com.cn
Cc:     andersson@...nel.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] remoteproc/davinci: Use dev_err_probe()

On Thu, Mar 23, 2023 at 04:00:49PM +0800, ye.xingchen@....com.cn wrote:
> From: Ye Xingchen <ye.xingchen@....com.cn>
> 
> Replace the open-code with dev_err_probe() to simplify the code.
> 
> Signed-off-by: Ye Xingchen <ye.xingchen@....com.cn>
> ---
>  drivers/remoteproc/da8xx_remoteproc.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c
> index 98e0be9476a4..b2b7d3347949 100644
> --- a/drivers/remoteproc/da8xx_remoteproc.c
> +++ b/drivers/remoteproc/da8xx_remoteproc.c
> @@ -278,13 +278,9 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
>  	}
> 
>  	dsp_reset = devm_reset_control_get_exclusive(dev, NULL);
> -	if (IS_ERR(dsp_reset)) {
> -		if (PTR_ERR(dsp_reset) != -EPROBE_DEFER)
> -			dev_err(dev, "unable to get reset control: %ld\n",
> -				PTR_ERR(dsp_reset));
> -
> -		return PTR_ERR(dsp_reset);
> -	}
> +	if (IS_ERR(dsp_reset))
> +		return dev_err_probe(dev, PTR_ERR(dsp_reset),
> +				     "unable to get reset control: %ld\n");

This patch is obviously wrong and doesn't even compile.

> 
>  	if (dev->of_node) {
>  		ret = of_reserved_mem_device_init(dev);
> -- 
> 2.25.1