linux-kernel - Re: SDHCI: Ricoh [1180:e823] unable to mount MMC cards.

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Message-ID: <4D949298.4000701@canonical.com>
Date:	Thu, 31 Mar 2011 09:41:28 -0500
From:	Manoj <manoj.iyer@...onical.com>
To:	Chris Ball <cjb@...top.org>
CC:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: SDHCI: Ricoh [1180:e823] unable to mount MMC cards.



Manoj Iyer
Ubuntu/Canonical
Hardware Enablement

On 03/31/2011 09:43 AM, Chris Ball wrote:
> Hi Manoj,
>
> On Thu, Mar 31 2011, Manoj wrote:
>>> There's no sign of life at all from the card.  Have you tried another
>>> MMC card to verify that this one isn't broken?  Or the quirks?
>>
>> Yes, tried it all, I have tried MMC, MMCplus, and quirks. I get the
>> same result. At the same time it sees SDHCI just fine.
>
> How about setting CONFIG_MMC_RICOH_MMC?

Yes Sir... that was already set.
CONFIG_MMC_RICOH_MMC=y



>
> config MMC_RICOH_MMC
>          bool "Ricoh MMC Controller Disabler  (EXPERIMENTAL)"
>          depends on MMC_SDHCI_PCI
>          help
>            This adds a pci quirk to disable Ricoh MMC Controller. This
>            proprietary controller is unnecessary because the SDHCI driver
>            supports MMC cards on the SD controller, but if it is not
>            disabled, it will steal the MMC cards away - rendering them
>            useless. It is safe to select this even if you don't
>            have a Ricoh based card reader.
>
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