From: Greg Ungerer <gerg@uclinux.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Alex Courbot <acourbot@nvidia.com>,
Grant Likely <grant.likely@secretlab.ca>,
Guenter Roeck <linux@roeck-us.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
Steven King <sfking@fdwdc.com>
Subject: Re: [PATCH 0/4] gpio: introduce descriptor-based interface
Date: Thu, 17 Jan 2013 22:02:06 +1000 [thread overview]
Message-ID: <50F7E83E.8000105@uclinux.org> (raw)
In-Reply-To: <CACRpkda6dqAj+DzrMCnKET7Z9PtuW0+k9ea3YDL8Z1D=oFVRpQ@mail.gmail.com>
Hi Linus,
(My gerg@snapgear.com email no longer gets to me, gerg@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@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
WARNING: multiple messages have this Message-ID (diff)
From: gerg@uclinux.org (Greg Ungerer)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/4] gpio: introduce descriptor-based interface
Date: Thu, 17 Jan 2013 22:02:06 +1000 [thread overview]
Message-ID: <50F7E83E.8000105@uclinux.org> (raw)
In-Reply-To: <CACRpkda6dqAj+DzrMCnKET7Z9PtuW0+k9ea3YDL8Z1D=oFVRpQ@mail.gmail.com>
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@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
next prev parent reply other threads:[~2013-01-17 12:02 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-08 7:18 [PATCH 0/4] gpio: introduce descriptor-based interface Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` [PATCH 1/4] gpiolib: introduce descriptor-based GPIO interface Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 12:59 ` Arnd Bergmann
2013-01-08 12:59 ` Arnd Bergmann
2013-01-09 1:06 ` Alexandre Courbot
2013-01-09 1:06 ` Alexandre Courbot
2013-01-09 10:25 ` Russell King - ARM Linux
2013-01-09 10:25 ` Russell King - ARM Linux
2013-01-09 10:35 ` Arnd Bergmann
2013-01-09 10:35 ` Arnd Bergmann
2013-01-09 10:44 ` Russell King - ARM Linux
2013-01-09 10:44 ` Russell King - ARM Linux
2013-01-09 11:10 ` Russell King - ARM Linux
2013-01-09 11:10 ` Russell King - ARM Linux
[not found] ` <20130109111055.GG3931-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-01-09 11:52 ` Arnd Bergmann
2013-01-09 11:52 ` Arnd Bergmann
2013-01-09 11:52 ` Arnd Bergmann
2013-01-09 14:44 ` Nicolas Pitre
2013-01-09 14:44 ` Nicolas Pitre
2013-01-09 15:04 ` [PATCH] Proposed removal of IS_ERR_OR_NULL() (was: Re: [PATCH 1/4] gpiolib: introduce descriptor-based GPIO interface) Russell King - ARM Linux
2013-01-09 15:04 ` Russell King - ARM Linux
[not found] ` <20130109150427.GL3931-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-01-09 15:21 ` Grant Likely
2013-01-09 15:21 ` Grant Likely
2013-01-09 15:21 ` Grant Likely
2013-01-09 15:26 ` Arnd Bergmann
2013-01-09 15:26 ` Arnd Bergmann
2013-01-09 15:27 ` Nicolas Pitre
2013-01-09 15:27 ` Nicolas Pitre
2013-01-09 15:51 ` Russell King - ARM Linux
2013-01-09 15:51 ` Russell King - ARM Linux
2013-01-09 16:09 ` Nicolas Pitre
2013-01-09 16:09 ` Nicolas Pitre
2013-01-09 16:21 ` Russell King - ARM Linux
2013-01-09 16:21 ` Russell King - ARM Linux
2013-01-09 17:12 ` Russell King - ARM Linux
2013-01-09 17:12 ` Russell King - ARM Linux
2013-01-09 17:52 ` Tony Lindgren
2013-01-09 17:52 ` Tony Lindgren
2013-01-17 10:28 ` Linus Walleij
2013-01-17 10:28 ` Linus Walleij
2013-01-10 8:36 ` [PATCH 1/4] gpiolib: introduce descriptor-based GPIO interface Thierry Reding
2013-01-10 8:36 ` Thierry Reding
2013-01-08 7:18 ` [PATCH 2/4] gpiolib: add gpiod_get and gpiod_put functions Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 13:07 ` Arnd Bergmann
2013-01-08 13:07 ` Arnd Bergmann
2013-01-09 1:49 ` Alexandre Courbot
2013-01-09 1:49 ` Alexandre Courbot
2013-01-08 7:18 ` [PATCH 3/4] gpiolib: of: convert OF helpers to descriptor API Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` [PATCH 4/4] gpiolib: add documentation for new gpiod_ API Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 7:18 ` Alexandre Courbot
2013-01-08 13:06 ` [PATCH 0/4] gpio: introduce descriptor-based interface Arnd Bergmann
2013-01-08 13:06 ` Arnd Bergmann
2013-01-09 1:48 ` Alexandre Courbot
2013-01-09 1:48 ` Alexandre Courbot
2013-01-09 10:46 ` Arnd Bergmann
2013-01-09 10:46 ` Arnd Bergmann
2013-01-10 4:07 ` Alex Courbot
2013-01-10 4:07 ` Alex Courbot
2013-01-10 10:08 ` Arnd Bergmann
2013-01-10 10:08 ` Arnd Bergmann
2013-01-14 10:21 ` Alex Courbot
2013-01-14 10:21 ` Alex Courbot
2013-01-14 10:21 ` Alex Courbot
2013-01-14 10:21 ` Alex Courbot
2013-01-14 10:46 ` Arnd Bergmann
2013-01-14 10:46 ` Arnd Bergmann
2013-01-14 10:46 ` Arnd Bergmann
2013-01-17 11:15 ` Linus Walleij
2013-01-17 11:15 ` Linus Walleij
2013-01-17 12:02 ` Greg Ungerer [this message]
2013-01-17 12:02 ` Greg Ungerer
2013-01-17 16:50 ` Steven King
2013-01-17 16:50 ` Steven King
2013-01-17 16:50 ` Steven King
2013-01-17 19:22 ` Arnd Bergmann
2013-01-17 19:22 ` Arnd Bergmann
2013-01-20 6:07 ` Alex Courbot
2013-01-20 6:07 ` Alex Courbot
2013-01-20 6:07 ` Alex Courbot
2013-01-22 8:55 ` Linus Walleij
2013-01-22 8:55 ` Linus Walleij
2013-01-17 11:25 ` Linus Walleij
2013-01-17 11:25 ` Linus Walleij
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