linux-kernel - Re: [PATCH] mmc: Always check for lower base frequency quirk for Ricoh 1180:e823

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Message-ID: <20111014090727.2ad3d774@jbarnes-desktop>
Date:	Fri, 14 Oct 2011 09:07:27 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Josh Boyer <jwboyer@...hat.com>
Cc:	Manoj Iyer <manoj.iyer@...onical.com>, Chris Ball <cjb@...top.org>,
	Koji Matsumuro <matsumur@....ricoh.co.jp>, stable@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mmc: Always check for lower base frequency quirk for
 Ricoh 1180:e823

On Wed, 5 Oct 2011 11:44:50 -0400
Josh Boyer <jwboyer@...hat.com> wrote:

> Commit 15bed0f2f added a quirk for the e823 Ricoh card reader to lower the
> base frequency.  However, the quirk first checks to see if the proprietary
> MMC controller is disabled, and returns if so.  On some devices, such as the
> Lenovo X220, the MMC controller is already disabled by firmware it seems,
> but the frequency change is still needed so sdhci-pci can talk to the cards.
> Since the MMC controller is disabled, the frequency fixup was never being run
> on these machines.
> 
> This moves the e823 check above the MMC controller check so that it always
> gets run.
> 
> This fixes https://bugzilla.redhat.com/show_bug.cgi?id=722509
> 

Applied to linux-next, thanks.  I forgot to cc stable on it though;
once it hits Linus's tree you may want to make sure it gets backported
to 3.0.x and 3.1.x.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center

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