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

From: Greg Kroah-Hartman
Date: Thu Jan 19 2017 - 10:38:19 EST


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?

thanks,

greg k-h