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From: Chris Ball <cjb@laptop.org>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: linux-mmc@vger.kernel.org, linux-sh@vger.kernel.org
Subject: Re: [PATCH v3 1/2] mmc: tmio: fix unbalanced power-on calls with clock-gating enabled
Date: Thu, 06 Jun 2013 11:48:38 -0400	[thread overview]
Message-ID: <8761xr6y09.fsf@octavius.laptop.org> (raw)
In-Reply-To: <Pine.LNX.4.64.1306061625290.32566@axis700.grange> (Guennadi Liakhovetski's message of "Thu, 6 Jun 2013 16:35:44 +0200 (CEST)")

Hi,

On Thu, Jun 06 2013, Guennadi Liakhovetski wrote:
> With MMC clock gating enabled the MMC core currently calls MMC host driver's
> .set_ios() method with .power_mode == MMC_POWER_ON and the clock value set
> either to 0 or to the target rate. The tmio MMC driver then wrongly
> translates the latter calls to card slot power-on requests, even when the
> slot already was on. This patch fixes the driver to avoid needlessly
> incrementing power-supplying regulator's use count.
>
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>
> v3: rebased on top of current mmc-next / 3.10-rc

Thanks, pushed to mmc-next for 3.10.

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child

      parent reply	other threads:[~2013-06-06 15:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-23  7:29 [PATCH v2] MMC: tmio: fix unbalanced power-on calls with clock-gating enabled Guennadi Liakhovetski
2013-04-24 22:16 ` Laurent Pinchart
2013-06-06  7:34 ` Guennadi Liakhovetski
2013-06-06 11:43 ` Chris Ball
2013-06-06 14:35   ` [PATCH v3 1/2] mmc: " Guennadi Liakhovetski
2013-06-06 14:35     ` [PATCH v3 2/2] mmc: tmio: reset the controller after power-up Guennadi Liakhovetski
2013-06-06 15:48       ` Chris Ball
2013-06-06 15:48     ` Chris Ball [this message]

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