[PATCH v1 1/1] include: configs: tegra-common-post: make usb first boot target

Thierry Reding treding at nvidia.com
Tue Jun 18 14:23:09 CEST 2024


On Tue Jun 18, 2024 at 2:00 PM CEST, Svyatoslav Ryhel wrote:
> This ensures that the device can boot from a USB device prior to MMC. Useful
> cases are when installing a new OS from USB while MMC still has a working OS
> configuration or if the OS configuration is broken in late boot stages
> (kernel boots but the system does not start).
>
> Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
> ---
>  include/configs/tegra-common-post.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

What's the implication of this if no USB mass storage device is found?
How does this behave when USB cannot be read or booting from it doesn't
work?

I vaguely recall that boot order doesn't always proceed, though
admittedly I haven't tested all of these edge-cases in a long time.

Thierry


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