Sonny, On Mon, Oct 6, 2014 at 10:53 AM, Sonny Rao <[email protected]> wrote: > We've already got a reset of DMA after it's done. Add one before we > start DMA too. This fixes a data corruption on Rockchip SoCs which > will get bad data when doing a DMA transfer after doing a PIO transfer. > > We tested this on an Exynos 5800 with HS200 and didn't notice any > difference in sequential read throughput. > > Signed-off-by: Sonny Rao <[email protected]> > Signed-off-by: Doug Anderson <[email protected]> > --- > drivers/mmc/host/dw_mmc.c | 4 ++++ > 1 file changed, 4 insertions(+)
Reviewed-by: Doug Anderson <[email protected]> Tested-by: Doug Anderson <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
