Re: [PATCH v3 3/3] backlight: as3711: add OF support

[Ryan Mallon <rmallon@gmail.com>]

On 26/03/13 09:40, Andrew Morton wrote:
> On Fri, 22 Mar 2013 17:15:49 +0100 Guennadi Liakhovetski <g.liakhovetski@gmx.de> wrote:
> 
>> Add support for configuring AS3711 backlight driver from DT.
>>
>> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
>> Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
>> ---
>>  drivers/video/backlight/as3711_bl.c |  118 ++++++++++++++++++++++++++++++++++-
>>  1 files changed, 117 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c
>> index 41d52fe..123887c 100644
>> --- a/drivers/video/backlight/as3711_bl.c
>> +++ b/drivers/video/backlight/as3711_bl.c
>> @@ -258,6 +258,109 @@ static int as3711_bl_register(struct platform_device *pdev,
>>  	return 0;
>>  }
>>  
>> +static int as3711_backlight_parse_dt(struct device *dev)
>> +{
>> +	struct as3711_bl_pdata *pdata = dev_get_platdata(dev);
>> +	struct device_node *bl =
>> +		of_find_node_by_name(dev->parent->of_node, "backlight"), *fb;
>> +	int ret;
> 
> It's tidier to do
> 
> 	struct device_node *bl;
> 	
> 	bl = of_find_node_by_name(dev->parent->of_node, "backlight"), *fb;
> 
> and avoid the 80-col trickery.

The other reason being that it now becomes much more apparent that *fb
is not an argument to of_find_node_by_name(), but a second variable of
type struct device_node :-).

~Ryan