Patches for mxcmmc.c

Daniel Mack daniel at caiaq.de
Wed Nov 11 09:43:37 EST 2009


On Thu, Nov 05, 2009 at 06:13:33PM +0100, Daniel Mack wrote:
> Here are three update patches for the mxc mmc driver to bring it closer
> to a working SDIO implementation.
> 
> (There is one more pending which modifies the way the buffers' busy
>  flags are interpreted, but we're not yet sure whether this one does
>  the right thing, so I'm not yet posting it now.)
> 
> I'm not sure whether the problems we're having here are due to the
> fact that DMA does not yet work on MX3. Hence, I would appreciate if
> anyone with access to an MX2 board could try these patches and see
> if the hardware can talk to SDIO connected peripherals (preferably
> a Libertas Wifi solution, but trying anything else might also give
> a hint).

Was anyone with a MX2 based board able to help testing this? It would be
very important for us to know whether SDIO cards work with DMA.

Thanks,
Daniel




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