Re: [PATCH] OMAP2+: ads7846_init: put gpio_pendown into pdata if it's provided

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On 12/21/11 20:06, Ilya Yanok wrote:
> Hi Igor,
> 
> On 21.12.2011 21:22, Igor Grinberg wrote:
>> Please, Cc the linux-arm-kernel@xxxxxxxxxxxxxxxxxxx for patches,
>> so Tony, or whoever will not need to resend them...
> 
> Uh.. Actually I thought that linux-omap ML is a good place for really
> OMAP-specific patches like this one and there is no much sense posting
> such patches into the main ARM list...
> 
> Ok, I will Cc linux-arm-kernel in future.
> 
>>> If platform data is provided by the caller gpio_pendown is put into
>>> unused static ads7846_config structure and effectively has no effect.
>>> Of course caller can set gpio_pendown field in platform data himself
>>> but it seems natural to do this in ads7846_init to remove duplication.
>>>
>>> Signed-off-by: Ilya Yanok <yanok@xxxxxxxxxxx>
>>> ---
>>>  arch/arm/mach-omap2/common-board-devices.c |    5 ++++-
>>>  1 files changed, 4 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
>>> index 2d1d775..eb408dd 100644
>>> --- a/arch/arm/mach-omap2/common-board-devices.c
>>> +++ b/arch/arm/mach-omap2/common-board-devices.c
>>> @@ -75,7 +75,10 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
>>>  			gpio_set_debounce(gpio_pendown, gpio_debounce);
>>>  	}
>>>  
>>> -	ads7846_config.gpio_pendown = gpio_pendown;
>>> +	if (!board_pdata)
>>> +		ads7846_config.gpio_pendown = gpio_pendown;
>>> +	else
>>> +		board_pdata->gpio_pendown = gpio_pendown;
>>>  
>>>  	spi_bi->bus_num	= bus_num;
>>>  	spi_bi->irq	= OMAP_GPIO_IRQ(gpio_pendown);
>>
>> The fact that the ads7846_config has no effect in case
>> the board_pdata is provided does not really meter...
>> How about reusing the existing "if" instead of adding another one?
>> Like in the attached patch?
> 
> Yes, I think your version is a bit clearer. Probably it makes to add
> "else" clause and move ads7846_config.gpio_pendown assignment under it.

Sounds fine, care to send a v2?
You can add my SOB.


-- 
Regards,
Igor.
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