From: Deepak Das <deepak_das@mentor.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
Vladimir Zapolskiy <Vladimir_Zapolskiy@mentor.com>,
Fabio Estevam <fabio.estevam@nxp.com>,
Sascha Hauer <kernel@pengutronix.de>,
Philipp Zabel <p.zabel@pengutronix.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] gpio: mxc: Shift generic request/free after gpiochip registration
Date: Tue, 25 Oct 2016 17:50:50 +0530 [thread overview]
Message-ID: <580F4E22.8020805@mentor.com> (raw)
In-Reply-To: <CACRpkdYbMxk_NoJpJS5bU-zOL=aXDAxrhT2LjLSj+CaPaBE7jw@mail.gmail.com>
On Tuesday 25 October 2016 05:41 PM, Linus Walleij wrote:
> On Tue, Oct 25, 2016 at 6:57 AM, Deepak Das <deepak_das@mentor.com> wrote:
>
>> generic gpio request/free should be added after gpiocip registration
>> to validate mapping of gpiochip with pinctrl subsystem.
>>
>> gpiochip->pin_ranges list contains the information used by pinctrl
>> subsystem to configure corresponding pins for gpio usage.
>> This list will be empty if gpiochip fails to map with
>> pinctrl subsystem for any reason.
>> For Ex.:-
>> generic gpio request/free should not be used if IOMUX pin controller
>> device node is disabled in device tree.
>>
>> This commit checks above list and skips adding generic gpio request/free
>> if list is found empty.
>>
>> Signed-off-by: Deepak Das <deepak_das@mentor.com>
>> Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
>
> Third time I find this in my inbox and it still doesn't apply.
>
> Yours,
> Linus Walleij
Hi Linus,
Sorry for the trouble. Three patches were sent by mistake. I am rebasing this patch on top of your gpio fixes branch.
This might not be required for stable branch since the original patch
4c806c9 "gpio: mxc: add generic gpio request/free callbacks to pinctrl" was included in v4.9 so this cane be added in
v4.9 fixes.
with warm regards,
Deepak Das
>
next prev parent reply other threads:[~2016-10-25 12:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-25 4:57 [PATCH] gpio: mxc: Shift generic request/free after gpiochip registration Deepak Das
2016-10-25 4:57 ` Deepak Das
2016-10-25 12:11 ` Linus Walleij
2016-10-25 12:20 ` Deepak Das [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-10-24 16:18 Deepak Das
2016-10-25 12:05 ` Linus Walleij
2016-10-24 10:31 Deepak Das
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