linux-kernel - Re: [PATCH] pinctrl: meson-gxl: add tsin

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Message-ID: <07b2ff66-6ac1-5e20-b70f-4dec2e050337@suse.de>
Date:   Thu, 8 Jun 2017 15:58:05 +0200
From:   Andreas Färber <afaerber@...e.de>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>, linux-gpio@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: meson-gxl: add tsin_a pins

Am 08.06.2017 um 15:53 schrieb Jerome Brunet:
> On Thu, 2017-06-08 at 15:49 +0200, Andreas Färber wrote:
>> Am 08.06.2017 um 15:09 schrieb Jerome Brunet:
>>> Add Tsin A pins to bank DV and X.
>>> We don't have a driver for the tsin yet but since the tsin A pinmux is
>>> enabled by default at boot time, declaring this pinmux is required to
>>> properly operate on GPIOX.
>>>
>>> Without this change, GPIOX 8, 9, 10 and 11 can't be driven as GPIO output
>>> as the tsin A seems to have priority.
>>
>> Should this get a Fixes header then for stable backports?
> 
> Nothing is wrong with what is already in. This is merely an addition.

Your above description of not being able to use GPIOs on e.g. the GXL
based Khadas Vim devboard sounded like a bug to me.

> If we go that way, all commit to this file should have a Fixes to the
> initial commit. This seems a bit extreme to me ...

Thought it might have been just an oversight.

Cheers,
Andreas

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