Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART

[Andy Shevchenko]

On Mon, Apr 11, 2016 at 6:33 PM, Bryan O'Donoghue
<pure.logic@xxxxxxxxxxxxxxxxx> 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