linux-kernel - Re: [PATCH] pinctrl: vt8500: Ensure value reg is updated when setting direction

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Message-ID: <CACRpkdbJGWbTJQBJqs-T6c29JciKofMkWoSU=zYW2BOEP-VEJA@mail.gmail.com>
Date:	Fri, 9 May 2014 13:40:51 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Alexey Charkov <alchark@...il.com>
Cc:	Tony Prisk <linux@...sktech.co.nz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: vt8500: Ensure value reg is updated when setting direction

On Tue, Apr 29, 2014 at 9:42 PM, Alexey Charkov <alchark@...il.com> wrote:

> Current code only touches the direction register when setting direction
> to output, which breaks logic like
>
> echo high > /sys/class/gpio/gpio0/direction
>
> which is expected to also set the value. This patch also adds a call
> to update the value register when setting direction to output.
>
> Signed-off-by: Alexey Charkov <alchark@...il.com>

Patch applied for fixes with Tony's ACK.

Yours,
Linus Walleij
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