[PATCH] ARM: at91: pm: change BU Power Switch to automatic mode

[Claudiu Beznea]

On 25.11.2024 18:56, nicolas.ferre at microchip.com wrote:
> From: Nicolas Ferre <nicolas.ferre at microchip.com>
> 
> Change how the Backup Unit Power is configured and force the
> automatic/hardware mode.
> This change eliminates the need for software management of the power
> switch, ensuring it transitions to the backup power source before
> entering low power modes.
> 
> This is done in the only locaton where this swich was configured. It's
> usually done in the bootloader.
> 
> Previously, the loss of the VDDANA (or VDDIN33) power source was not
> automatically compensated by an alternative power source. This resulted
> in the loss of Backup Unit content, including Backup Self-refresh low
> power mode information, OTP emulation configuration, and boot
> configuration, for instance.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre at microchip.com>

I've added the fixes tag, s/locaton/location, s/swich/switch.

Applied to at91-soc, thanks!