linux-kernel - Re: [PATCH] mmc: dw_mmc: setpower on MMC_POWER

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Message-ID: <878v5fo07e.fsf@octavius.laptop.org>
Date:	Fri, 22 Mar 2013 12:42:29 -0400
From:	Chris Ball <cjb@...top.org>
To:	James Hogan <james.hogan@...tec.com>
Cc:	<linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Jaehoon Chung <jh80.chung@...sung.com>
Subject: Re: [PATCH] mmc: dw_mmc: setpower on MMC_POWER_{UP,OFF}

Hi,

On Tue, Mar 12 2013, James Hogan wrote:
> Call the setpower platform callback in response to set_ios with
> ios->power_mode == MMC_POWER_UP or MMC_POWER_OFF, instead of from the
> card detect work function.
>
> This appears to fix a problem I have where a card stuck in a funny state
> doesn't get properly cleared by the power being turned off, presumably
> due to lack of power sequencing. This resulted in the following log
> messages after boot:

Thanks, pushed to mmc-next for 3.10.

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