[riot-notifications] [RIOT-OS/RIOT] Implement power management `pm` for CPUs (#6802)

benpicco notifications at github.com
Wed Mar 6 15:29:25 CET 2019

Huh, is this not a general problem?
In the end the sleep modes are always coupled with peripherals that are still working in that mode.
So only peripherals should be able to call pm_block() / pm_unblock() - now I see how uart_rx_pause() / unpause() makes sense. (I'd rather call it uart_allow_suspend(bool) to make the meaning more clear. Then we could shut down the peripheral clock entirely if no TX is going on, assuming we can still wake it up on RX, but that again is implementation specific.)

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