linux-kernel - Re: [PATCH] mmc: Disabler for Ricoh MMC controller

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Message-Id: <1191309274.6310.108.camel@pasglop>
Date:	Tue, 02 Oct 2007 17:14:34 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Philip Langdale <philipl@...rt.org>
Cc:	Pierre Ossman <drzeus@...eus.cx>, sdhci-devel@...t.drzeus.cx,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: Disabler for Ricoh MMC controller


On Mon, 2007-10-01 at 22:01 -0700, Philip Langdale wrote:
> Benjamin Herrenschmidt wrote:
> > On Tue, 2007-10-02 at 14:44 +1000, Benjamin Herrenschmidt wrote:
> >> On Mon, 2007-10-01 at 20:23 -0700, Philip Langdale wrote:
> >>> Thanks to Matt Domsch and Rezwanul Kabir at Dell, we know how to disable the
> >>> MMC controller on the multi-function Ricoh R5C832. The MMC controller needs
> >>> to be disabled or it will steal MMC cards from the SD controller where they
> >>> would otherwise be supported by the Linux SDHCI driver.
> >> Why can't that be a quirk instead ?
> > 
> > That is, a global quirk or a quirk in the SDHCI driver...
> 
> Pierre doesn't want a quirk.

Hrm... allright, tho having this "disabler" driver is butt ugly too ...
especially since it needs to whack registers in another function, that's
really quirkland :-)

Oh well...

Ben.


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