Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support

[Vignesh R]

On Tuesday 17 January 2017 11:36 AM, Vignesh R wrote:
> 
> 
> On Friday 13 January 2017 11:50 PM, Tony Lindgren wrote:
>> * Vignesh R <vigneshr@xxxxxx> [170113 00:03]:
>>> This patch series re enables DMA support for UART 8250_omap driver.
>>>
>>> Tested on AM335x, AM437x that use EDMA and OMAP5 and DRA74 EVM with
>>> SDMA.
>>
>> Is 8250_omap serial console working for you on omap5 in general?
>>
>> I've noticed that it's really unresponsive for me as if the FIFO
>> interrupt was not working. For example logging in might take several
>> attempts and a long time with each character showing up much later
>> after some timeout.
>>
> 
> Yes, I did face the same issue on omap5 using 8250_omap driver for
> console. Looks like this bug has existed all along.
> 

This looks a separate issue, I don't see any errata specific errata wrt
UART on OMAP5. I will try to debug further.

-- 
Regards
Vignesh