XFER_SW_DMA_0 mode should be excluded from the extended cycle timing
computations.
Acked-by: NAlan Cox <alan@linux.intel.com>
Noticed-by: NSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>