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

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Message-ID: <CACRpkda6dqAj+DzrMCnKET7Z9PtuW0+k9ea3YDL8Z1D=oFVRpQ@mail.gmail.com>
Date:	Thu, 17 Jan 2013 12:15:24 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>, Greg Ungerer <gerg@...pgear.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Alex Courbot <acourbot@...dia.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Guenter Roeck <linux@...ck-us.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arch <linux-arch@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [PATCH 0/4] gpio: introduce descriptor-based interface

On Thu, Jan 10, 2013 at 11:08 AM, Arnd Bergmann <arnd@...db.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.

Yours,
Linus Walleij
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