[PATCH v2 3/4] bootretry: check for bootretry variable changes

[Tom Rini]

On Fri, Oct 04, 2024 at 02:46:52PM +0200, Caleb Connolly wrote:

> To enable more complex sequencing of the bootmenu, autoboot, and
> bootretry, handle changes to the bootretry variable between tries. This
> makes it possible to turn bootretry off (e.g. to drop to a shell) and
> then back on again.
> 
> This makes it possible to have a persistent bootmenu (the only way to
> navigate U-Boot on devices like smartphones which lack a physical
> keyboard) by having bootcmd be defined to launch the bootmenu. This
> allows for menu options like enabling USB mass storage gadget to return
> back to the boot menu once the gadget is shut down.
> 
> Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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