Re: [PATCH v6 04/36] earlycon: add reg-offset to physical address before mapping

[Arnd Bergmann]

On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu <green.hu@xxxxxxxxx> wrote:
> From: Greentime Hu <greentime@xxxxxxxxxxxxx>
>
> It will get the wrong virtual address because port->mapbase is not added
> the correct reg-offset yet. We have to update it before earlycon_map()
> is called
>
> Signed-off-by: Greentime Hu <greentime@xxxxxxxxxxxxx>

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 088da2a17619 ("of: earlycon: Initialize port fields from DT properties")

As this is a bugfix for generic code, this might be good to
have Greg pick up directly for his serial drivers tree. An Ack from
Peter Hurley would also help, as he introduced the reg-offset handling
originally.

      Arnd