linux-kernel - Re: [PATCH v3] ASoC: sirf-audio: Remove redundant of_match

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Date:   Wed, 27 Mar 2019 20:03:19 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Aditya Pakki <pakki001@....edu>
Cc:     Barry Song <baohua@...nel.org>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, kjlu@....edu,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] ASoC: sirf-audio: Remove redundant of_match_node call


On 3/23/2019 3:30 AM, Aditya Pakki wrote:
> Unlike other drivers probe method, of_match_node return value
> is not used or checked. This patch removes the redundant code.

Instead could be written like "Use of `of_match_node` is redundant in 
sirf-audio-codec driver probe. Remove it."

>
> Signed-off-by: Aditya Pakki <pakki001@....edu>

Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

-Mukesh


>
> ---
> v2: Move the signed by above the version change log
> v1: A check is unnecessary as match is never used.
> ---
>   sound/soc/codecs/sirf-audio-codec.c | 3 ---
>   1 file changed, 3 deletions(-)
>
> diff --git a/sound/soc/codecs/sirf-audio-codec.c b/sound/soc/codecs/sirf-audio-codec.c
> index e424499a8450..e0af21050078 100644
> --- a/sound/soc/codecs/sirf-audio-codec.c
> +++ b/sound/soc/codecs/sirf-audio-codec.c
> @@ -461,9 +461,6 @@ static int sirf_audio_codec_driver_probe(struct platform_device *pdev)
>   	struct sirf_audio_codec *sirf_audio_codec;
>   	void __iomem *base;
>   	struct resource *mem_res;
> -	const struct of_device_id *match;
> -
> -	match = of_match_node(sirf_audio_codec_of_match, pdev->dev.of_node);
>   
>   	sirf_audio_codec = devm_kzalloc(&pdev->dev,
>   		sizeof(struct sirf_audio_codec), GFP_KERNEL);