linux-kernel - Re: [PATCH v2 2/2] ASoC: SOF: Intel: byt: remove duplicating driver data retrieval

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Date:   Tue, 5 Jul 2022 11:57:37 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        sound-open-firmware@...a-project.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Subject: Re: [PATCH v2 2/2] ASoC: SOF: Intel: byt: remove duplicating driver
 data retrieval



On 7/5/22 11:11, Andy Shevchenko wrote:
> device_get_match_data() in ACPI case calls similar to acpi_match_device().
> Hence there is no need to duplicate the call. Just assign what is in
> the id->driver_data.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

Thanks Andy!

> ---
> v2: new patch (Pierre)
>  sound/soc/sof/intel/byt.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
> index 4ed8381eceda..e6dc4ff531c3 100644
> --- a/sound/soc/sof/intel/byt.c
> +++ b/sound/soc/sof/intel/byt.c
> @@ -465,10 +465,7 @@ static int sof_baytrail_probe(struct platform_device *pdev)
>  		return -ENODEV;
>  	}
>  
> -	desc = device_get_match_data(&pdev->dev);
> -	if (!desc)
> -		return -ENODEV;
> -
> +	desc = (const struct sof_dev_desc *)id->driver_data;
>  	if (desc == &sof_acpi_baytrail_desc && soc_intel_is_byt_cr(pdev))
>  		desc = &sof_acpi_baytrailcr_desc;
>