Messages in this thread | | | Date | Fri, 17 Jul 2015 08:22:20 +0200 | From | Ludovic Desroches <> | Subject | Re: [PATCH 0/2] dmaengine: Add scatter-gathered memset support |
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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@atmel.com>
Thanks
> drivers/dma/at_xdmac.c | 166 +++++++++++++++++++++++++++++++++++++++++++++- > include/linux/dmaengine.h | 5 ++ > 2 files changed, 170 insertions(+), 1 deletion(-) > > -- > 2.4.5 >
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