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    SubjectRe: [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions
    On Wed, Dec 16, 2009 at 17:49, H Hartley Sweeten wrote:
    > On Thursday, September 17, 2009 3:03 PM, Mike Frysinger wrote:
    >>
    >> From: Yi Li <yi.li@analog.com>
    >>
    >> For some MMC cards over SPI bus, it needs to lock the SPI bus for its own
    >> use.  The SPI transfer must not be interrupted by other SPI devices that
    >> share the SPI bus with SPI MMC card.
    >>
    >> This patch introduces 2 APIs for SPI bus locking operation.
    >
    > Has any additional work be done on this patchset?

    nope

    > It would be nice to finally have a solution that lets the mmc_spi driver
    > work on a shared spi bus.

    the latest patch is on the list for _anyone_ to contribute their fixes
    to address the posted issues
    -mike
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