On Mon, Jul 06, 2015 at 12:19:22PM +0200, Maxime Ripard wrote: > Hi Vinod, > > Here is a patch serie that adds a new dmaengine operation for > scatter-gathered memset. > > Indeed, doing a memset over a discontiguous buffer is quite > inefficient at the moment, since you have to create and submit each > chunk separately, which might result in a huge list of transfers, > while some controllers can handle that just fine. > > Let me know what you think, > Maxime > > Maxime Ripard (2): > dmaengine: Add scatter-gathered memset > dmaengine: xdmac: Add scatter gathered memset support > I have forgotten to add it but of course: Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx> Thanks > drivers/dma/at_xdmac.c | 166 +++++++++++++++++++++++++++++++++++++++++++++- > include/linux/dmaengine.h | 5 ++ > 2 files changed, 170 insertions(+), 1 deletion(-) > > -- > 2.4.5 > -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
