On Tue, Mar 30, 2010 at 3:57 AM, Linus WALLEIJ <linus.walleij@xxxxxxxxxxxxxx> wrote: > [Self] > >> This is a fourth iteration of the PrimeCell DMA API on top of the >> generic DMA devices (sibling to the DMA engine). It's based on >> the suggestion from Russell to try and define a specific extension >> subset for DMA devices. > > Russell & Grant can you give some hint on the direction you > see for this patch set? > > The problem we're facing is that next I will start adding DMA > support for the U8500 and the MMCI derivate found in that platform > doesn't *have* a PIO IRQ, which means the system cannot even > boot without some solid DMA framework in place. (It is currently > unbootable from the released kernels.) > > So unless there is some outstanding issue with this approach > we pretty much need this now to keep working on mainlining > the U8500. > > I would very much like to have the DMA patches for PrimeCell > support pushed through Dan's tree, but that requires your ACKs > of course, and it will inevitably collide with other PrimeCell > patches for the next merge window (many submitted by myself > admittedly). > > I can feed all the PrimeCell stuff to Dan if all agree that this > is a good approach. Another approach is to apply the latest > patches from Dan's tree to ARM and SPI alike and then feed > the PrimeCell stuff through the ARM tree. I have no objections to the SPI driver getting merged via Dan's tree. g. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html