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Re: [PATCH] pinctrl: at91-pio4: fix pull-up/down logic

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  Re: [PATCH] pinctrl: at91-pio4: fix pull-up/down logic Linus Walleij <linus.walleij@linaro.org> - 2016-04-29 11:20 +0200

#1390912 — Re: [PATCH] pinctrl: at91-pio4: fix pull-up/down logic

On Tue, Apr 19, 2016 at 4:03 PM, Ludovic Desroches
<ludovic.desroches@atmel.com> wrote:

> The default configuration of a pin is often with a value in the
> pull-up/down field at chip reset. So, even if the internal logic of the
> controller prevents writing a configuration with pull-up and pull-down at
> the same time, we must ensure explicitly this condition before writing the
> register.
>
> This was leading to a pull-down condition not taken into account for
> instance.
>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
> Fixes: 776180848b57 ("pinctrl: introduce driver for Atmel PIO4 controller")
> Cc: stable@vger.kernel.org #v4.4 and later

Patch applied for fixes with the ACKs.

Yours,
Linus Walleij

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