Re: [PATCH AUTOSEL 4.9 64/90] serial: uartps: Wait for tx_empty in console setup

[Greg Kroah-Hartman]

On Tue, Sep 29, 2020 at 01:43:22AM +0530, Naresh Kamboju wrote:
> On Tue, 29 Sep 2020 at 01:41, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
> >
> > On Fri, 18 Sep 2020 at 07:55, Sasha Levin <sashal@xxxxxxxxxx> wrote:
> > >
> > > From: Raviteja Narayanam <raviteja.narayanam@xxxxxxxxxx>
> > >
> > > [ Upstream commit 42e11948ddf68b9f799cad8c0ddeab0a39da33e8 ]
> > >
> > > On some platforms, the log is corrupted while console is being
> > > registered. It is observed that when set_termios is called, there
> > > are still some bytes in the FIFO to be transmitted.
> > >
> > > So, wait for tx_empty inside cdns_uart_console_setup before calling
> > > set_termios.
> > >
> > > Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xxxxxxxxxx>
> > > Reviewed-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
> > > Link: https://lore.kernel.org/r/1586413563-29125-2-git-send-email-raviteja.narayanam@xxxxxxxxxx
> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> >
> > stable rc 4.9 arm64 build broken.
> 
> and stable rc 4.9 arm build broken.

Thanks, I've queued up the dependant patch, somehow Sasha's builders
must have missed this :)

greg k-h