RE: [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions

[H Hartley Sweeten]

On Thursday, September 17, 2009 3:03 PM, Mike Frysinger wrote:
>
> From: Yi Li <yi.li@xxxxxxxxxx>
>
> 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.
> 
> Signed-off-by: Yi Li <yi.li@xxxxxxxxxx>
> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>

Has any additional work be done on this patchset?

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

Regards,
Hartley
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