Re: [PATCH 1/3] staging: iio: ad7150: Use devm_* APIs

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On 08/24/13 20:24, Sachin Kamat wrote:
> devm_* APIs are device managed and make code simpler.
> 
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
All 3 of this series applied.

Thanks.  I like these patches as I can review them on a mobile phone.
(though then I have to remember to apply them later ;)

Hmm. I really need to update my own MAINTAINERS entries before that email
address goes away.  For reference, jic23@xxxxxxxxxx is the right one.
Somehow updating these things is never urgent enough to get around to doing!

Thanks,

Jonathan
> ---
> Series compile tested on togreg branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
> ---
>  drivers/staging/iio/cdc/ad7150.c |   36 ++++++++----------------------------
>  1 files changed, 8 insertions(+), 28 deletions(-)
> 
> diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
> index 687dd2c..f4a0341 100644
> --- a/drivers/staging/iio/cdc/ad7150.c
> +++ b/drivers/staging/iio/cdc/ad7150.c
> @@ -558,11 +558,9 @@ static int ad7150_probe(struct i2c_client *client,
>  	struct ad7150_chip_info *chip;
>  	struct iio_dev *indio_dev;
>  
> -	indio_dev = iio_device_alloc(sizeof(*chip));
> -	if (indio_dev == NULL) {
> -		ret = -ENOMEM;
> -		goto error_ret;
> -	}
> +	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
> +	if (!indio_dev)
> +		return -ENOMEM;
>  	chip = iio_priv(indio_dev);
>  	mutex_init(&chip->state_lock);
>  	/* this is only used for device removal purposes */
> @@ -581,7 +579,7 @@ static int ad7150_probe(struct i2c_client *client,
>  	indio_dev->modes = INDIO_DIRECT_MODE;
>  
>  	if (client->irq) {
> -		ret = request_threaded_irq(client->irq,
> +		ret = devm_request_threaded_irq(&client->dev, client->irq,
>  					   NULL,
>  					   &ad7150_event_handler,
>  					   IRQF_TRIGGER_RISING |
> @@ -590,11 +588,11 @@ static int ad7150_probe(struct i2c_client *client,
>  					   "ad7150_irq1",
>  					   indio_dev);
>  		if (ret)
> -			goto error_free_dev;
> +			return ret;
>  	}
>  
>  	if (client->dev.platform_data) {
> -		ret = request_threaded_irq(*(unsigned int *)
> +		ret = devm_request_threaded_irq(&client->dev, *(unsigned int *)
>  					   client->dev.platform_data,
>  					   NULL,
>  					   &ad7150_event_handler,
> @@ -604,28 +602,17 @@ static int ad7150_probe(struct i2c_client *client,
>  					   "ad7150_irq2",
>  					   indio_dev);
>  		if (ret)
> -			goto error_free_irq;
> +			return ret;
>  	}
>  
>  	ret = iio_device_register(indio_dev);
>  	if (ret)
> -		goto error_free_irq2;
> +		return ret;
>  
>  	dev_info(&client->dev, "%s capacitive sensor registered,irq: %d\n",
>  		 id->name, client->irq);
>  
>  	return 0;
> -error_free_irq2:
> -	if (client->dev.platform_data)
> -		free_irq(*(unsigned int *)client->dev.platform_data,
> -			 indio_dev);
> -error_free_irq:
> -	if (client->irq)
> -		free_irq(client->irq, indio_dev);
> -error_free_dev:
> -	iio_device_free(indio_dev);
> -error_ret:
> -	return ret;
>  }
>  
>  static int ad7150_remove(struct i2c_client *client)
> @@ -633,13 +620,6 @@ static int ad7150_remove(struct i2c_client *client)
>  	struct iio_dev *indio_dev = i2c_get_clientdata(client);
>  
>  	iio_device_unregister(indio_dev);
> -	if (client->irq)
> -		free_irq(client->irq, indio_dev);
> -
> -	if (client->dev.platform_data)
> -		free_irq(*(unsigned int *)client->dev.platform_data, indio_dev);
> -
> -	iio_device_free(indio_dev);
>  
>  	return 0;
>  }
> 
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