[alsa-devel] [PATCH] ASoC: omap-dmic: use managed interfaces

[Peter Ujfalusi]

On 07/10/2014 12:21 AM, Himangi Saraogi wrote:
> This patch moves data allocated using clk_put and
> snd_soc_register_component to the corresponding managed interfaces and
> does away with the functions to free memory in the probe and remove
> functions. The probe function is no longer required and is completely
> removed.

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

> 
> Signed-off-by: Himangi Saraogi <himangi774 at gmail.com>
> Acked-by: Julia Lawall <julia.lawall at lip6.fr>
> ---
>  sound/soc/omap/omap-dmic.c | 35 ++++++++---------------------------
>  1 file changed, 8 insertions(+), 27 deletions(-)
> 
> diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c
> index 6925d71..b315b27 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 +483,17 @@ 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 = snd_soc_register_component(&pdev->dev, &omap_dmic_component,
> -					 &omap_dmic_dai, 1);
> +	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);
> -
> -	snd_soc_unregister_component(&pdev->dev);
> -	clk_put(dmic->fclk);
> +		return ret;
>  
>  	return 0;
>  }
> @@ -529,7 +511,6 @@ 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);
> 


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