linux-kernel - Re: [PATCH] gpio: bcm281xx: Centralize register locking

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Message-ID: <CACRpkdYSh+h4za6tMR1WuPXRo6jPA7TM2XkCYPc-f6vwuaFwcg@mail.gmail.com>
Date:	Thu, 23 Jan 2014 09:22:25 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Markus Mayer <markus.mayer@...aro.org>
Cc:	Linaro Patches <patches@...aro.org>,
	Linux GPIO List <linux-gpio@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tim Kryger <tim.kryger@...aro.org>
Subject: Re: [PATCH] gpio: bcm281xx: Centralize register locking

On Wed, Jan 22, 2014 at 1:10 AM, Markus Mayer <markus.mayer@...aro.org> wrote:

> Rather than unlock/re-lock for every write access, unlock a GPIO when
> it is requested and re-lock it when it is freed. As a result, the GPIO
> helper functions no longer have to deal with unlocking and re-locking
> the register.
>
> In addition, only unlock a specific GPIO rather than unlocking the
> entire GPIO bank as before.
>
> Signed-off-by: Markus Mayer <markus.mayer@...aro.org>
> Reviewed-by: Tim Kryger <tim.kryger@...aro.org>

Patch applied (for v3.15)

Yours,
Linus Walleij
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