[Patch v4] OMAP: sDMA driver: descriptor autoloading feature

Shilimkar, Santosh santosh.shilimkar at ti.com
Mon Jan 4 04:00:55 EST 2010


> >>
> >> I am about to start working on omap_hsmmc to use the descriptor load
> >> feature. If the DMA changes are acceptable, I can post the driver
> >> patch as well.
> >
> > I don't think doing this for hsmmc makes any sense considering, the IC in which DMA descriptor
> > is available( OMAP3630 and OMAP4), the HSMMC controller is already equipped with its dedicated
> > DMA controller (ADMA)
> >
> > Regards,
> > Santosh
> > --
> 
> AFAIK, 3630 does not have ADMA feature.
> In OMAP4, ADMA support is available for MMC controllers 1 and 2 only;
> the other 3 controllers still use sDMA.
You are correct. It surely help those cases.

Regards,
Santosh



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