Messages in this thread | | | Subject | Re: [PATCH 0/3] tty: serial: 8250_omap: Enable DMA support | From | Vignesh R <> | Date | Tue, 17 Jan 2017 11:36:17 +0530 |
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On Friday 13 January 2017 11:50 PM, Tony Lindgren wrote: > * Vignesh R <vigneshr@ti.com> [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.
> 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. >
True.
-- Regards Vignesh
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