Messages in this thread | | | Date | Mon, 11 Apr 2016 18:51:12 +0300 | Subject | Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART | From | Andy Shevchenko <> |
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On Mon, Apr 11, 2016 at 6:33 PM, Bryan O'Donoghue <pure.logic@nexus-software.ie> wrote: > On Thu, 2016-04-07 at 23:37 +0300, Andy Shevchenko wrote: > > Preface. I tried this on Galileo and it appears to work. I'll do some > throughput testing to verify but, initially the results are positive :)
I submitted (and pushed into my branch) a bit changed version (see my v2).
>> + lpss->dma_maxburst = 8; > > Are these dwords ? If those are bytes then the maxburst value looks > small. In the BSP the max burst is 32 bytes.
max_burst is in items of given size (here is 32 bytes for memory and 8 bytes for UART). I took this value from Quark BSP, but I'll be happy to adjust to more optimal values.
-- With Best Regards, Andy Shevchenko
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