[U-Boot] [PATCH 06/11] efi_loader: Decouple EFI input/output from stdin/stdout

[Alexander Graf]

On 10.10.17 14:23, Rob Clark wrote:
> In some cases, it is quite useful to have (for example) EFI on screen
> but u-boot on serial port.
> 
> This adds two new optional environment variables, "efiin" and "efiout",
> which can be used to set EFI console input/output independently of
> u-boot's input/output.  If unset, EFI console will default to stdin/
> stdout as before.
> 
> Signed-off-by: Rob Clark <robdclark at gmail.com>

With this patch, we lose the ability to have the efi in/out go to both
graphical and serial console, right? This is critical functionality to
have, since we don't necessarily know which output/input a user ends up
using.


Alex