[riot-notifications] [RIOT-OS/RIOT] sam0_common: make RTC implementation common across all sam0 MCUs (#11317)

benpicco notifications at github.com
Fri Apr 12 12:21:12 CEST 2019

benpicco commented on this pull request.

-    /* Software Reset the RTC */
-    RTC->MODE2.CTRLA.bit.SWRST = 1;
-    /* Wait end of reset */
-    while (RTC->MODE2.CTRLA.bit.SWRST);
+void rtc_init(void)
+    rtc_poweroff();
+    rtc_clock_setup();

Ok, I've changed the call order and made the RTC persist across reboots.
I might as well remove `rtc_reset()` then as it's currently unused.

Only tested on the samr21 as I don't have a saml21.

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