[PATCH] mmc: mxs-mmc: add support for pre_req and post_req

Shawn Guo shawn.guo at freescale.com
Thu Apr 21 02:29:25 EDT 2011

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.


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