linux-kernel - Re: [PATCH 0/6 v12] gpio: Add block GPIO

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Date:	Sat, 29 Dec 2012 13:13:56 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Roland Stigge <stigge@...com.de>
Cc:	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, wg@...ndegger.com,
	tru@...k-microwave.de, mark.rutland@....com
Subject: Re: [PATCH 0/6 v12] gpio: Add block GPIO

On 13:01 Sat 29 Dec     , Roland Stigge wrote:
> Hi,
> 
> On 29/12/12 11:20, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 17:49 Sun 23 Dec     , Roland Stigge wrote:
> >> This set of patches adds:
> >>
> >> * Block GPIO API to gpiolib
> >> * Sysfs support for GPIO API, to provide userland access
> >> * Device interface for userland access (alternative to sysfs)
> >> * Devicetree support to instantiate GPIO blocks via DT
> >> * Example implementations in several gpio drivers since they need
> >>   special accessor functions for block wise GPIO access (only for some
> >>   selected drivers since the feature is optional and not suitable for
> >>   all GPIO hardware)
> >> * Fix for race condition in gpiolib on device creation
> >>
> >> Signed-off-by: Roland Stigge <stigge@...com.de>
> >> Tested by: Wolfgang Grandegger <wg@...ndegger.com>
> >> --
> >>
> >> Testing branch available at: git://git.antcom.de/linux-2.6.git blockgpio
> >>
> >> Changes since v11:
> >> * Removed support for at91, since this one is currently in the migration
> >>   process to pinctrl implementation
> > already done for 3.8
> > 
> > in Linus tree
> 
> Good, thanks for the note! So we include support for block GPIO in
> pinctrl-at91.c now.
> 
> I guess the redundant code in arch/arm/mach-at91/gpio.c will be removed?
no we keep for non DT platform

Best Regards,
J.
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