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Date:	Mon, 14 Jul 2014 08:40:56 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Himangi Saraogi <himangi774@...il.com>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	<linux-omap@...r.kernel.org>, <alsa-devel@...a-project.org>,
	<linux-kernel@...r.kernel.org>
CC:	<julia.lawall@...6.fr>
Subject: Re: [PATCH] ASoC: omap-dmic: Use devm_clk_get

On 07/11/2014 07:14 AM, Himangi Saraogi wrote:
> This patch introduces the use of managed interfaces like devm_clk_get
> and does away with the clk_puts in the probe and remove functions. A
> label is also done away with.

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

> 
> Signed-off-by: Himangi Saraogi <himangi774@...il.com>
> ---
> This is a follow up to ASoC: omap-dmic: use managed interfaces which
> failed to apply as the other devm_ functions were introduced by a patch
> ASoC: omap-dmic: Use devm_snd_soc_register_component.
> 
>  sound/soc/omap/omap-dmic.c | 29 ++++++-----------------------
>  1 file changed, 6 insertions(+), 23 deletions(-)
> 
> diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c
> index f125eb9..0f34e28 100644
> --- a/sound/soc/omap/omap-dmic.c
> +++ b/sound/soc/omap/omap-dmic.c
> @@ -466,7 +466,7 @@ static int asoc_dmic_probe(struct platform_device *pdev)
>  
>  	mutex_init(&dmic->mutex);
>  
> -	dmic->fclk = clk_get(dmic->dev, "fck");
> +	dmic->fclk = devm_clk_get(dmic->dev, "fck");
>  	if (IS_ERR(dmic->fclk)) {
>  		dev_err(dmic->dev, "cant get fck\n");
>  		return -ENODEV;
> @@ -475,8 +475,7 @@ static int asoc_dmic_probe(struct platform_device *pdev)
>  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma");
>  	if (!res) {
>  		dev_err(dmic->dev, "invalid dma memory resource\n");
> -		ret = -ENODEV;
> -		goto err_put_clk;
> +		return -ENODEV;
>  	}
>  	dmic->dma_data.addr = res->start + OMAP_DMIC_DATA_REG;
>  
> @@ -484,34 +483,19 @@ static int asoc_dmic_probe(struct platform_device *pdev)
>  
>  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
>  	dmic->io_base = devm_ioremap_resource(&pdev->dev, res);
> -	if (IS_ERR(dmic->io_base)) {
> -		ret = PTR_ERR(dmic->io_base);
> -		goto err_put_clk;
> -	}
> +	if (IS_ERR(dmic->io_base))
> +		return PTR_ERR(dmic->io_base);
>  
>  
>  	ret = devm_snd_soc_register_component(&pdev->dev,
>  					      &omap_dmic_component,
>  					      &omap_dmic_dai, 1);
>  	if (ret)
> -		goto err_put_clk;
> +		return ret;
>  
>  	ret = omap_pcm_platform_register(&pdev->dev);
>  	if (ret)
> -		goto err_put_clk;
> -
> -	return 0;
> -
> -err_put_clk:
> -	clk_put(dmic->fclk);
> -	return ret;
> -}
> -
> -static int asoc_dmic_remove(struct platform_device *pdev)
> -{
> -	struct omap_dmic *dmic = platform_get_drvdata(pdev);
> -
> -	clk_put(dmic->fclk);
> +		return ret;
>  
>  	return 0;
>  }
> @@ -529,7 +513,6 @@ static struct platform_driver asoc_dmic_driver = {
>  		.of_match_table = omap_dmic_of_match,
>  	},
>  	.probe = asoc_dmic_probe,
> -	.remove = asoc_dmic_remove,
>  };
>  
>  module_platform_driver(asoc_dmic_driver);
> 


-- 
P├ęter
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