mxs-auart serial driver DMA support?

Lauri Hintsala lauri.hintsala at bluegiga.com
Thu Jan 12 05:28:11 EST 2012


On 01/12/2012 11:42 AM, Wolfram Sang wrote:
>
>> Any plans to add DMA support for mxs-auart serial driver? I noticed
>> it is impossible to archive full 3.25 Mbs speed with current one.
>
> No plans from our side, currently.

OK, AUART works fine with 115200 bps but over that it loose data 
randomly. I have seen fifo overrun errors during receiving data with 
1Mbs and over. So current driver is unuseful with higher baud rates.

Regards,
Lauri



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