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    SubjectRe: [PATCH 2/2] mmc: Test bus-width for old MMC devices
    Hi Takashi, Philip,

    On Wed, Nov 24, 2010 at 07:21:14AM +0100, Takashi Iwai wrote:
    > From: Aries Lee <>
    > Some old MMC devices fail with the 4/8 bits the driver tries to use
    > exclusively. This patch adds a test for the given bus setup and falls
    > back to the lower bit mode (until 1-bit mode) when the test fails.
    > [Major rework and refactoring by tiwai]
    > Signed-off-by: Aries Lee <>
    > Signed-off-by: Takashi Iwai <>

    We have two independent patches for performing MMC bus-width testing now:

    I'm planning on taking Takashi's since it looks a little cleaner; Philip,
    please could you take a look at Takashi's patch and add anything you
    think should be present from your own patch as a new incremental patch?

    Thanks very much,

    - Chris.
    Chris Ball <> <>
    One Laptop Per Child

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