[riot-notifications] [RIOT-OS/RIOT] cpu/stm32: make backup SRAM available (#16870)

benpicco notifications at github.com
Thu Sep 23 13:55:21 CEST 2021

@benpicco commented on this pull request.

> +    if (backup_ram_is_retained())
+        PWR->REG_PWR_CR &= ~(BIT_CR_DBP);

Sure, what speaks against it?
That's certainly better than such wacky preprocessor constructs 

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