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    SubjectRe: [RFC][PATCH] MMC: Major restructuring and cleanup
    Pierre Ossman wrote:
    > Eeeeww... This is a problem as the SD spec. clearly states the order of
    > init commands. So I wouldn't be surprised if we find SD cards that choke
    > on the MMC init sequence.
    > I guess what we lose by not supporting these is 8 bit data bus, but as
    > we do not currently have a controller for that I think the point is moot.

    Hrm. Even the MMC 4.1 App Note describes a unified init sequence where SD is
    checked first.

    So, these cards are essentially useless then. The number of hosts that support
    MMC 4 but not SD can probably be counted on no hands. :-)

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      Last update: 2007-01-15 02:39    [W:0.018 / U:234.644 seconds]
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