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

From: Vignesh R
Date: Fri Jan 20 2017 - 03:23:01 EST




On Thursday 19 January 2017 09:05 PM, Greg Kroah-Hartman wrote:
> On Thu, Jan 19, 2017 at 06:54:23AM -0800, Tony Lindgren wrote:
>> * Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> [170119 05:25]:
>>> On Fri, Jan 13, 2017 at 10:20:21AM -0800, 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.
>>>>
>>>> TX on the uart on omap5 seems to work OK, I do see all the console
>>>> messages fine. And these patches do not make the issue better or
>>>> worse.
>>>
>>> Ok, I'm dropping them from my review queue then.
>>
>> It turned out to be not related to this set of patches, Vignesh
>> posted a fix for it. For this set:
>>
>> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
>
> Ugh, these are now gone from my queue, can someone resend them with this
> acked-by added?
>

I have resent this series with the Ack:
http://marc.info/?l=linux-serial&m=148490028003788&w=2

--
Regards
Vignesh