[PATCH 2/3] board: dragonboard410c: Fix fastboot

[Tom Rini]

On Wed, Jul 14, 2021 at 10:56:25AM +0200, Stephan Gerhold wrote:

> At the moment pressing the volume down key does not actually launch
> fastboot. This is because setting "bootdelay" to "-1" actually
> disables autoboot and drops to the U-Boot console. It does not execute
> the "bootcmd".
> 
> The correct value for "bootdelay" here would be "-2", which disables
> the delay and key checking and would immediately execute the "bootcmd".
> 
> However, even better in this case is using "preboot" to trigger Fastboot.
> The advantage is that running "fastboot continue" will actually continue
> the autoboot process instead of ending up in the U-Boot shell.
> 
> Also make sure to unset "preboot" again immediately in case the user
> saves the environment after triggering fastboot.
> 
> Cc: Ramon Fried <rfried.dev at gmail.com>
> Fixes: aa043ee91a47 ("db410c: automatically launch fastboot")
> Signed-off-by: Stephan Gerhold <stephan at gerhold.net>
> Reviewed-by: Ramon Fried <rfried.dev at gmail.com>

Applied to u-boot/master, thanks!

-- 
Tom
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