Re: [RFC PATCH v2 0/3] Prefer working VT console over SPCR and device-tree chosen stdout-path

[Sergey Senozhatsky]

On (20/04/30 19:14), Alper Nebi Yasak wrote:
>                     |     "console=tty0"    |    (no console arg)   |
>   ------------------+-----------------------+-----------------------+
>   QEMU VM           | tty0     -WU (EC p  ) | ttyAMA0  -W- (EC   a) |
>   (w/ SPCR)         | ttyAMA0  -W- (E    a) |                       |
>   ------------------+-----------------------+-----------------------+
>   Chromebook Plus   | tty0     -WU (EC p  ) | ttyS2    -W- (EC p a) |
>   (w/ stdout-path)  |                       | tty0     -WU (E     ) |
>   ------------------+-----------------------+-----------------------+
>   Chromebook Plus   | tty0     -WU (EC p  ) | tty0     -WU (EC p  ) |
>   (w/o either)      |                       |                       |
>   ------------------+-----------------------+-----------------------+
> 
> This patchset tries to ensure that VT is preferred in those conditions
> even in the presence of firmware-mandated serial consoles. These should
> cleanly apply onto next-20200430.

Well, if there is a "mandated console", then why would we prefer
any other console?

	-ss