Re: [PATCH] ASoC: ti: davinci-i2s: Add check for clk_enable()

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On 28/02/2022 05:15, Jiasheng Jiang wrote:
> As the potential failure of the clk_enable(),
> it should be better to check it and return error
> if fails.

Thank you for the patch!

Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>


> 
> Fixes: 5f9a50c3e55e ("ASoC: Davinci: McBSP: add device tree support for McBSP")
> Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
> ---
>  sound/soc/ti/davinci-i2s.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/ti/davinci-i2s.c b/sound/soc/ti/davinci-i2s.c
> index 6dca51862dd7..0363a088d2e0 100644
> --- a/sound/soc/ti/davinci-i2s.c
> +++ b/sound/soc/ti/davinci-i2s.c
> @@ -708,7 +708,9 @@ static int davinci_i2s_probe(struct platform_device *pdev)
>  	dev->clk = clk_get(&pdev->dev, NULL);
>  	if (IS_ERR(dev->clk))
>  		return -ENODEV;
> -	clk_enable(dev->clk);
> +	ret = clk_enable(dev->clk);
> +	if (ret)
> +		goto err_put_clk;
>  
>  	dev->dev = &pdev->dev;
>  	dev_set_drvdata(&pdev->dev, dev);
> @@ -730,6 +732,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
>  	snd_soc_unregister_component(&pdev->dev);
>  err_release_clk:
>  	clk_disable(dev->clk);
> +err_put_clk:
>  	clk_put(dev->clk);
>  	return ret;
>  }

-- 
Péter



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