Hi Steve,
On Tue, May 23, 2017 at 9:17 AM, Steve Twiss
<stwiss.opensource@xxxxxxxxxxx> wrote:
> From: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
>
> Revert the commit e61c38d85b7392e ("serial: imx: setup DCEDTE early and
> ensure DCD and RI irqs to be off")
>
> The patch submitted to setup DCEDTE early and ensure DCD and RI irqs to
> be off, causes a serial console display problem the i.MX6Q SABRESD board.
> The console becomes unreadable and unwritable.
>
> Tested-by: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
> Signed-off-by: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
>
> ---
> This patch applies against linux-next and v4.12-rc2
>
> Hi,
>
> I have been seeing a problem with the serial output console on the i.MX6Q
> SABRESD, but not the i.MX6DL SABRESD. Everything was fine up to
> linux-mainline/v4.11 but changed after linux-next/next-20170501.
>
> Some bisection has pointed at the commit
> e61c38d85b7392e033ee03bca46f1d6006156175 which, once removed from my
> linux-next/v4.12-rc2 build allows the i.MX6Q board to display the console
> correctly again.
>
> This patch removes the original commit e61c38d85b7392e ("serial: imx:
> setup DCEDTE early and ensure DCD and RI irqs to be off") from linux-next
> v4.12-rc2 and fixes the serial problem seen in the i.MX6Q SABRESD board.
How can the error be reproduced?
Care to share more details of the error, please?
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