On Wed, 2011-12-21 at 12:58 +0800, Shawn Guo wrote: > On Wed, Dec 21, 2011 at 10:10:51AM +0530, Vinod Koul wrote: > > On Wed, 2011-12-21 at 12:45 +0800, Shawn Guo wrote: > > > > > > > The term PIO here may not the one on your mind. I call it 'mxs-dma > > > pio'. In this mode, mxs-dma hardware can write values into mmc > > > controller register without cpu involved. > > what do you mean by values here? > > > The register values that we want to write to mmc controller registers > in this case. Okay I am going to put this in my queue as this is fixing a regression But, I still don't agree that DMA_NONE as a direction is the correct way to tell dma driver about this. Perhaps we need to find a better mechanism. -- ~Vinod -- 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
