Re: [PATCH v2 2/8] ASoC: Intel: boards: handle errors with acpi_dev_get_first_match_dev()

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On Thu, Aug 12, 2021 at 05:44:37PM -0500, Pierre-Louis Bossart wrote:
> acpi_dev_get_first_match_dev() searches for an acpi_handle
> instantiated by the ACPI table scanning done early during boot.
> 
> Two of three machine drivers using this search don't deal with errors
> and the one which does (bytcr_rt5651) returns -ENODEV, which doesn't
> make sense here: an alternate driver will not be probed.
> 
> Add consistent error handling and report -ENXIO

Missed period.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> Suggested-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> ---
>  sound/soc/intel/boards/bytcht_es8316.c | 3 +++
>  sound/soc/intel/boards/bytcr_rt5640.c  | 3 +++
>  sound/soc/intel/boards/bytcr_rt5651.c  | 2 +-
>  3 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
> index fcf7c9c04069..7c078a9f6deb 100644
> --- a/sound/soc/intel/boards/bytcht_es8316.c
> +++ b/sound/soc/intel/boards/bytcht_es8316.c
> @@ -492,6 +492,9 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
>  			 "i2c-%s", acpi_dev_name(adev));
>  		put_device(&adev->dev);
>  		byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
> +	} else {
> +		dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
> +		return -ENXIO;
>  	}
>  
>  	/* override plaform name, if required */
> diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
> index 808bfb7fd81e..60ed954d7277 100644
> --- a/sound/soc/intel/boards/bytcr_rt5640.c
> +++ b/sound/soc/intel/boards/bytcr_rt5640.c
> @@ -1396,6 +1396,9 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
>  			 "i2c-%s", acpi_dev_name(adev));
>  		put_device(&adev->dev);
>  		byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
> +	} else {
> +		dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
> +		return -ENXIO;
>  	}
>  
>  	/*
> diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
> index 7033c07f8fd6..b4307d1d5527 100644
> --- a/sound/soc/intel/boards/bytcr_rt5651.c
> +++ b/sound/soc/intel/boards/bytcr_rt5651.c
> @@ -921,7 +921,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
>  		byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
>  	} else {
>  		dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
> -		return -ENODEV;
> +		return -ENXIO;
>  	}
>  
>  	codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
> -- 
> 2.25.1
> 

-- 
With Best Regards,
Andy Shevchenko





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