linux-kernel - Re: [PATCH] ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3

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Message-ID: <CACRpkdZGHNG0uG+vicpQEQ0y61bAM0FTg-wMrZ3SbsW2Owf0PA@mail.gmail.com>
Date:	Mon, 27 May 2013 13:37:37 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	Srinidhi KASAGAR <srinidhi.kasagar@...ricsson.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH] ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3

On Fri, May 24, 2013 at 1:22 PM, Lee Jones <lee.jones@...aro.org> wrote:

> This patch fixes a bug introduced in the v3.10 merge window.
>
> The AB8500 External Regulator driver has recently landed upstream,
> which registers each of the 3 external regulators located on the
> AB8500. If these regulators are marked as 'always on', there is a
> potential for power-loss. If they're not and are seemingly unused
> the Regulator subsystem will attempt to disable them to save power.
> This causes an issue for AUX1, AUX2 and AUX3 as they obtain their
> power from EXT3. So we're specifying that here to prevent EXT3 from
> being powered down.
>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied for ux500-fixes, thanks!

Yours,
Linus Walleij
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