[U-Boot] [U-Boot, v2, 5/7] sniper: Proper reboot mode and boot reason validation

[Tom Rini]

On Tue, Mar 29, 2016 at 02:16:25PM +0200, Paul Kocialkowski wrote:

> With the previous implementation, rebooting without registering a recognized
> reboot mode (despite registering the magic) would end up with U-Boot checking
> for a valid power-on reason, which might result in the device turning off (e.g.
> with no USB cable attached and no buttons pressed).
> 
> This was designed to catch reboots that are actually intended to be power-off,
> something that old Android kernels do, instead of properly turning the device
> off using the TWL4030.
> 
> However, since this approach is not viable (breaks reboot in most cases), the
> validity of the reboot mode magic is checked to detect a reboot and the 'o' char
> is recognized to indicate that power-off is required. Still, that might be
> overridden by the detection of usual power-on reasons, on purpose.
> 
> Signed-off-by: Paul Kocialkowski <contact at paulk.fr>

Applied to u-boot/master, thanks!

-- 
Tom
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