On Wed, Apr 20, 2011 at 05:30:22PM +0200, Per Forlin wrote: [...] > Remove dma_map and dma_unmap from your host driver and run the tests > (obviously nonblocking and blocking will have the same results). If > there is still no performance gain the cache penalty is very small on > your platform and therefore nonblocking doesn't improve things much. > Please let me know the result. > Sorry, I could not understand. What's the point to run the test when the driver is even broken. The removal of dma_map_sg and dma_unmap_sg makes mxs-mmc host driver broken. -- Regards, Shawn -- 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
