[PATCH 2/2 v2] efi: add serial driver support

[Jean-Christophe PLAGNIOL-VILLARD]

On 17:23 Sat 11 Mar     , Michael Olbrich wrote:
> On Mon, Mar 06, 2017 at 10:34:47AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > So now we can stop to use the efi-stdio as this driver
> > print on the Framebuffer and the serial at the same time.
> > 
> > This is specially usefull if we want to use the framebuffer via efi-gop for
> > something else.
> > 
> > Do not forget to disable the efi-stdio device before enabling the console
> > otherwise you will get double printing.
> 
> Works nicely here (with a unrelated fix). However, it might be better to
> implement this as a console_platform_driver. The efi drivers are loaded
> rather late during startup and this makes early debugging impossible.
I did not did it as you can use efi-stdio as early as possible

but we can take a look to probe it earlier

Best Regards,
J.