linux-kernel - Re: [PATCH 6/6 v11] gpio: Add block gpio to several gpio drivers

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Date:	Thu, 20 Dec 2012 10:12:01 +0100
From:	Roland Stigge <stigge@...com.de>
To:	Wolfgang Grandegger <wg@...ndegger.com>
CC:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	gregkh@...uxfoundation.org, grant.likely@...retlab.ca,
	linus.walleij@...aro.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, w.sang@...gutronix.de,
	jbe@...gutronix.de, highguy@...il.com,
	broonie@...nsource.wolfsonmicro.com, daniel-gl@....net,
	rmallon@...il.com, sr@...x.de, tru@...k-microwave.de,
	mark.rutland@....com
Subject: Re: [PATCH 6/6 v11] gpio: Add block gpio to several gpio drivers

On 12/20/2012 09:07 AM, Wolfgang Grandegger wrote:
> On 12/20/2012 08:08 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>> On 22:22 Wed 19 Dec     , Roland Stigge wrote:
>>> This patch adds block GPIO support to several gpio drivers.
>>>
>>> This implements block GPIO only for some selected drivers since block GPIO is
>>> an optional feature which may not be suitable for every GPIO hardware. (With
>>> automatic fallback to the single GPIO functions if not available in a driver.)
>>>
>>> Signed-off-by: Roland Stigge <stigge@...com.de>
>>>
>>> ---
>>>  arch/arm/mach-at91/gpio.c         |   33 +++++++++++++++
>> as said on the previous version the mach-at91 is deprecated for this platform
>> and boards
>>
>> you MUST updatethe drivers/pinctrl/pinctrl-at91
>>
>> nack on at91 untill this is done
> 
> I suggest to drop the hunk for the AT91 for the moment and wait until
> the block gpio interface is accepted. Then we can add the block gpio
> enhancement to the GPIO drivers in arch/... not only for the AT91...
> also because they have to go through different sub-systems maintainers.

OK, thank you two! Will remove the at91 patch from the current series.
Block GPIO support for at91 can be added later.

I just noticed that the patch set needs another patch not yet in
mainline, but in linux-next, linux-gpio and gpio/next.

I'm providing a branch to easily pull from for testing, building on v3.7:

git://git.antcom.de/linux-2.6.git blockgpio

Feedback welcome - thanks!

Roland
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