[PATCH 0/4] gpio: introduce descriptor-based interface

Greg Ungerer gerg at uclinux.org
Thu Jan 17 07:02:06 EST 2013


Hi Linus,

(My gerg at snapgear.com email no longer gets to me, gerg at uclinux.org is
the best direct email for me now).

On 01/17/2013 09:15 PM, Linus Walleij wrote:
> On Thu, Jan 10, 2013 at 11:08 AM, Arnd Bergmann <arnd at arndb.de> wrote:
> 
>> I've tried to find platforms that don't yet use GPIOLIB and fortunately
>> there are very few left:
>>
>> I found two that provide the generic gpio interfaces when gpiolib
>> is disabled, but use gpiolib otherwise for the same hardware,
>> arch/m68k/include/asm/mcfgpio.h and arch/blackfin/include/asm/gpio.h.
>> I would assume that we can simply remove the non-gpiolib shortcut
>> here at cost of a small overhead.
> 
> Geert/Greg: interested in looking into this issue?
> 
> The GPIO maintainers want to get rid of non-gpiolib platforms.

Steven King did most of the ColdFire GPIO work (CC'ed on this).
Steven: are you happy to drop the non-gpiolib support?

Regards
Greg




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