GPIO support for HTC Dream

H Hartley Sweeten hartleys at visionengravers.com
Fri Dec 11 18:12:35 EST 2009


On Friday, December 11, 2009 3:41 PM, Arve Hjønnevåg wrote:

<snip>

>> Now, it will still need some cleanups -- I'm not sure if gpios are
>> dream-specific or generic for whole msm.... I kind of assume they
>> should be generic for msm. Google people, can you help?
>
> I'm not exactly sure what you are asking. Gpios in general are not
> dream specific, the code in board-dream-gpio.c is. Some gpios (e.g.
> DREAM_4_BALL_UP_0) are used for a dream specific function, but point
> to a gpio that is generic to the msm architecture.

<snip>

>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index 1c4119c..8bb8546 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -565,6 +565,8 @@ config ARCH_MSM
>>        select CPU_V6
>>        select GENERIC_TIME
>>        select GENERIC_CLOCKEVENTS
>> +       select GENERIC_GPIO
>> +       select ARCH_REQUIRE_GPIOLIB
>
> Please do not do this in a board specific change. You have not changed
> the msm generic gpio support to use gpiolib.

Where is the msm tree located?  mach-msm in mainline doesn't appear to
have _any_ gpio support.  Is Pavel's implementation generic enough to
work with any msm based board?

Regards,
Hartley



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