On 17 October 2016 at 10:26, Alex Gagniuc <mr.nuke...@gmail.com> wrote: > On Thu, Aug 20, 2015 at 6:48 AM, Michal Suchanek <hramr...@gmail.com> wrote: >> Hello, >> >> On 14 August 2015 at 01:08, Alex G. <mr.nuke...@gmail.com> wrote: >>> On 08/10/2015 07:54 AM, Michal Suchanek wrote: >>>> On 10 August 2015 at 15:44, Olliver Schinagl <oliver+l...@schinagl.nl> >>>> wrote: >>>>> Hey Michal, >>>>> >>>>> As without this patch, we cannot use something like mmc-spi due to the >>>>> restriction of packet size iirc. >>>> >>>> With DMA we can. And since DMA will be enabled most of the time the >>>> non-DMA code will receive little or no testing. >>>> >>> That was also an objection over a year ago, when this patch was first >>> ready, and still, no DMA support is implemented. It would be amazing to >>> have a way to run larger transfers _today_ :) . >> >> The dmaengine patch should get into 4.3 probably. >> > > And here we are again, over one year later, up to 4.9, and still > limited to 63 byte transfers. > > A very smart person just brought this up to me today: > > " cool, to bad spi does not work properly on allwinner..." >
The patches are out there - eg here https://github.com/hramrach/linux-sunxi/tree/sunxi-spi-dma-merged I don't have time to haggle with maintainers which variant is acceptable atm but you are free to use the thing and/or pick it up and submit to linux. Thanks Michal -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.