From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] Documentation/gpio.txt: Explain expected pinctrl interaction
Date: Mon, 12 Mar 2012 11:19:25 -0600 [thread overview]
Message-ID: <4F5E301D.9030700@wwwdotorg.org> (raw)
In-Reply-To: <20120312163212.70E283E07B0@localhost>
On 03/12/2012 10:32 AM, Grant Likely wrote:
> On Tue, 21 Feb 2012 11:46:03 +0100, Linus Walleij <linus.walleij@linaro.org> wrote:
>> On Mon, Feb 20, 2012 at 7:27 AM, Stephen Warren <swarren@nvidia.com> wrote:
>>
>>> Update gpio.txt based on recent discussions regarding interaction with the
>>> pinctrl subsystem.
>>>
>>> Previously, gpio_request() was described as explicitly not performing any
>>> required mux setup operations etc.
>>>
>>> Now, gpio_request() is explicitly as explicitly performing any required mux
>>> setup operations where possible. In the case it isn't, platform code is
>>> required to have set up any required muxing or other configuration prior to
>>> gpio_request() being called, in order to maintain the same semantics.
>>>
>>> This is achieved by gpiolib drivers calling e.g. pinctrl_request_gpio() in
>>> their .request() operation.
>>>
>>> Signed-off-by: Stephen Warren <swarren@nvidia.com>
>>
>> Acked-by: Linus Walleij <linus.walleij@linaro.org>
>>
>> Grant can you take this one? I'd prefer for you to have a look at
>> it as well.
>
> I've taken this one, but left the 2nd for Olof.
Grant, did you take V2 of this patch? I assume not since you replied to V1.
For reference, that's:
http://lkml.org/lkml/2012/3/5/533
Thanks.
prev parent reply other threads:[~2012-03-12 17:19 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-20 6:27 [PATCH 1/2] Documentation/gpio.txt: Explain expected pinctrl interaction Stephen Warren
2012-02-20 6:27 ` [PATCH 2/2] gpio: tegra: Delete tegra_gpio_enable/disable() Stephen Warren
2012-02-21 10:44 ` Linus Walleij
2012-02-21 18:54 ` Stephen Warren
2012-02-20 7:39 ` [PATCH 1/2] Documentation/gpio.txt: Explain expected pinctrl interaction Russell King - ARM Linux
2012-02-21 10:41 ` Linus Walleij
2012-02-21 11:06 ` Russell King - ARM Linux
2012-02-21 12:40 ` Linus Walleij
2012-02-21 12:44 ` Russell King - ARM Linux
2012-02-21 13:02 ` Russell King - ARM Linux
2012-02-21 13:08 ` Linus Walleij
2012-02-21 19:14 ` Stephen Warren
2012-02-22 6:01 ` Linus Walleij
2012-02-23 0:45 ` Stephen Warren
2012-02-21 18:50 ` Stephen Warren
2012-02-21 10:46 ` Linus Walleij
2012-03-12 16:32 ` Grant Likely
2012-03-12 17:19 ` Stephen Warren [this message]
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