Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1390912

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

From Linus Walleij <linus.walleij@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH] pinctrl: at91-pio4: fix pull-up/down logic
Date 2016-04-29 11:20 +0200
Message-ID <rtcKC-3oy-3@gated-at.bofh.it> (permalink)
References <rpEvN-87k-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

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

csiph-web