linux-kernel - Re: [PATCH 2/3] ASoC: ti: omap-mcbsp: Use of_device_get_match

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Date:   Mon, 16 Aug 2021 21:35:15 +0300
From:   Péter Ujfalusi <peter.ujfalusi@...il.com>
To:     Aakash Hemadri <aakashhemadri123@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>
Cc:     Takashi Iwai <tiwai@...e.com>, Jawoslav Kysela <perex@...ex.cz>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        Bjorn Helgaas <bjorn@...gaas.com>
Subject: Re: [PATCH 2/3] ASoC: ti: omap-mcbsp: Use of_device_get_match_data



On 14/08/2021 23:19, Aakash Hemadri wrote:
> Prefer `of_device_get_match_data` over `of_match_device`
> 
> Retrieve OF match data using `of_device_get_match_data`, this is cleaner
> and better expresses intent.
> 
> Signed-off-by: Aakash Hemadri <aakashhemadri123@...il.com>
> ---
>  sound/soc/ti/omap-mcbsp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c
> index 4479d74f0a45..fcb651487854 100644
> --- a/sound/soc/ti/omap-mcbsp.c
> +++ b/sound/soc/ti/omap-mcbsp.c
> @@ -1373,7 +1373,7 @@ static int asoc_mcbsp_probe(struct platform_device *pdev)
>  	const struct of_device_id *match;
>  	int ret;
>  
> -	match = of_match_device(omap_mcbsp_of_match, &pdev->dev);
> +	match = of_device_get_match_data(&pdev->dev);

Similarly incorrect,
of_device_get_match_data() is retrieving the match->data

>  	if (match) {
>  		struct device_node *node = pdev->dev.of_node;
>  		struct omap_mcbsp_platform_data *pdata_quirk = pdata;
> 

-- 
Péter