On Mon, Dec 21, 2015 at 7:26 PM, Julian Margetson <runaway@xxxxxxxx> wrote: > On 12/21/2015 12:48 PM, Andy Shevchenko wrote: >> >> On Sun, 2015-12-20 at 22:55 +0200, Andy Shevchenko wrote: >>> >>> On Sun, Dec 20, 2015 at 10:17 PM, Andy Shevchenko >>> <andy.shevchenko@xxxxxxxxx> wrote: >>>> >>>> On Sun, Dec 20, 2015 at 8:49 PM, Måns Rullgård <mans@xxxxxxxxx> >>>> wrote: >>>> I noticed thanks to DWC_PARAMS that burst size is hardcoded to 32 >>>> items on this board, however registers for SATA program it to 64. I >>>> remember that I got no interrupt when I programmed transfer width >>>> wrongly (64 bits against 32 bits) when I ported dw_dmac to be used >>>> on >>>> Intel SoCs. >>> >>> One more thing, I have a patch to monitor DMA IO, we may check what >>> exactly the values are written / read in DMA. I can share it >>> tomorrow. >> >> As promised the patch I have to debug IO of DW DMA. Didn't check though >> if it applies cleanly on top of recent vanilla kernel. So, the original driver (with patch from Måns) works, right? -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
