Re: [PATCH 04/14] iio: dac: ad5421: Use devm_* APIs

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On 08/19/13 12:38, Sachin Kamat wrote:
> devm_* APIs are device managed and make code simpler.
> 
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Applied to the togreg branch of iio.git

Thanks,

Jonathan
> ---
>  drivers/iio/dac/ad5421.c |   19 ++++---------------
>  1 file changed, 4 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c
> index 98f2440..1f78b14 100644
> --- a/drivers/iio/dac/ad5421.c
> +++ b/drivers/iio/dac/ad5421.c
> @@ -451,7 +451,7 @@ static int ad5421_probe(struct spi_device *spi)
>  	struct ad5421_state *st;
>  	int ret;
>  
> -	indio_dev = iio_device_alloc(sizeof(*st));
> +	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
>  	if (indio_dev == NULL) {
>  		dev_err(&spi->dev, "Failed to allocate iio device\n");
>  		return  -ENOMEM;
> @@ -484,31 +484,23 @@ static int ad5421_probe(struct spi_device *spi)
>  	ad5421_update_ctrl(indio_dev, 0, 0);
>  
>  	if (spi->irq) {
> -		ret = request_threaded_irq(spi->irq,
> +		ret = devm_request_threaded_irq(&spi->dev, spi->irq,
>  					   NULL,
>  					   ad5421_fault_handler,
>  					   IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
>  					   "ad5421 fault",
>  					   indio_dev);
>  		if (ret)
> -			goto error_free;
> +			return ret;
>  	}
>  
>  	ret = iio_device_register(indio_dev);
>  	if (ret) {
>  		dev_err(&spi->dev, "Failed to register iio device: %d\n", ret);
> -		goto error_free_irq;
> +		return ret;
>  	}
>  
>  	return 0;
> -
> -error_free_irq:
> -	if (spi->irq)
> -		free_irq(spi->irq, indio_dev);
> -error_free:
> -	iio_device_free(indio_dev);
> -
> -	return ret;
>  }
>  
>  static int ad5421_remove(struct spi_device *spi)
> @@ -516,9 +508,6 @@ static int ad5421_remove(struct spi_device *spi)
>  	struct iio_dev *indio_dev = spi_get_drvdata(spi);
>  
>  	iio_device_unregister(indio_dev);
> -	if (spi->irq)
> -		free_irq(spi->irq, indio_dev);
> -	iio_device_free(indio_dev);
>  
>  	return 0;
>  }
> 
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