Re: [PATCH v2 9/9] serial: 8250_early: Support earlycon_kgdboc
From: Daniel Thompson
Date: Mon Apr 27 2020 - 12:50:20 EST
On Tue, Apr 21, 2020 at 02:14:47PM -0700, Douglas Anderson wrote:
> Implement the read() function in the early console driver. With
> recent kgdb patches this allows you to use kgdb to debug fairly early
> into the system boot.
>
> We only bother implementing this if polling is enabled since kgdb
> can't be enabled without that.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>