[PATCH V3 1/3] iio: mxs-lradc: simplify TS registration

[Jonathan Cameron]

On 25/04/16 22:00, Dmitry Torokhov wrote:
> On Sat, Apr 23, 2016 at 07:57:57PM +0000, Stefan Wahren wrote:
>> This patch simplifies the TS registration of mxs-lradc by
>> using devm_input_allocate_device.
>>
>> Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
>> Reviewed-by: Marek Vasut <marex at denx.de>
> 
> Acked-by: Dmitry Torokhov <dmitry.torokhov at gmail.com>
Applied to the togreg branch of iio.git - initially going
to be pushed out as testing though may not be until the weekend.

Jonathan
> 
>> ---
>>  drivers/iio/adc/mxs-lradc.c |   10 ++--------
>>  1 file changed, 2 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/iio/adc/mxs-lradc.c b/drivers/iio/adc/mxs-lradc.c
>> index ad26da1..3d1d370 100644
>> --- a/drivers/iio/adc/mxs-lradc.c
>> +++ b/drivers/iio/adc/mxs-lradc.c
>> @@ -1120,18 +1120,16 @@ static int mxs_lradc_ts_register(struct mxs_lradc *lradc)
>>  {
>>  	struct input_dev *input;
>>  	struct device *dev = lradc->dev;
>> -	int ret;
>>  
>>  	if (!lradc->use_touchscreen)
>>  		return 0;
>>  
>> -	input = input_allocate_device();
>> +	input = devm_input_allocate_device(dev);
>>  	if (!input)
>>  		return -ENOMEM;
>>  
>>  	input->name = DRIVER_NAME;
>>  	input->id.bustype = BUS_HOST;
>> -	input->dev.parent = dev;
>>  	input->open = mxs_lradc_ts_open;
>>  	input->close = mxs_lradc_ts_close;
>>  
>> @@ -1146,11 +1144,8 @@ static int mxs_lradc_ts_register(struct mxs_lradc *lradc)
>>  
>>  	lradc->ts_input = input;
>>  	input_set_drvdata(input, lradc);
>> -	ret = input_register_device(input);
>> -	if (ret)
>> -		input_free_device(lradc->ts_input);
>>  
>> -	return ret;
>> +	return input_register_device(input);
>>  }
>>  
>>  static void mxs_lradc_ts_unregister(struct mxs_lradc *lradc)
>> @@ -1159,7 +1154,6 @@ static void mxs_lradc_ts_unregister(struct mxs_lradc *lradc)
>>  		return;
>>  
>>  	mxs_lradc_disable_ts(lradc);
>> -	input_unregister_device(lradc->ts_input);
>>  }
>>  
>>  /*
>> -- 
>> 1.7.9.5
>>
>