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Date:   Tue, 02 Mar 2021 12:23:08 +0000
From:   Paul Cercueil <paul@crapouillou.net>
Subject: Re: [PATCH] ASoC: codec: Omit superfluous error message in
 jz4760_codec_probe()
To:     Tang Bin <tangbin@cmss.chinamobile.com>
Cc:     broonie@kernel.org, lgirdwood@gmail.com, perex@perex.cz,
        tiwai@suse.com, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org
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Hi Tang,

Le mar. 2 mars 2021 ? 20:11, Tang Bin <tangbin@cmss.chinamobile.com> a 
?crit :
> The function devm_platform_ioremap_resource has already contained 
> error
> message, so remove the redundant dev_err here.
> 
> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
> ---
>  sound/soc/codecs/jz4760.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/sound/soc/codecs/jz4760.c b/sound/soc/codecs/jz4760.c
> index e8f28ccc145a..c2d8a107f159 100644
> --- a/sound/soc/codecs/jz4760.c
> +++ b/sound/soc/codecs/jz4760.c
> @@ -843,7 +843,6 @@ static int jz4760_codec_probe(struct 
> platform_device *pdev)
>  	codec->base = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(codec->base)) {
>  		ret = PTR_ERR(codec->base);
> -		dev_err(dev, "Failed to ioremap mmio memory: %d\n", ret);
>  		return ret;
>  	}

Indeed, you are right.

I guess you do this instead:

if (IS_ERR(codec->base))
    return PTR_ERR(codec->base);

Cheers,
-Paul