2024-02-14 15:45:35

by Paul Walmsley

[permalink] [raw]
Subject: Re: [PATCH] tty: hvc: Don't enable the RISC-V SBI console by default

On Wed, 14 Feb 2024, Palmer Dabbelt wrote:

> From: Palmer Dabbelt <[email protected]>
>
> The new SBI console has the same problem as the old one: there's only
> one shared backing hardware and no synchronization, so the two drivers
> end up stepping on each other. This was the same issue the old SBI-0.1
> console drivers had, but that was disabled by default when SBI-0.1 was.
>
> So just mark the new driver as nonportable.
>
> Reported-by: Emil Renner Berthing <[email protected]>
> Fixes: 88ead68e764c ("tty: Add SBI debug console support to HVC SBI driver")
> Signed-off-by: Palmer Dabbelt <[email protected]>

Reviewed-by: Paul Walmsley <[email protected]>


- Paul