K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2019-04-02T04:00:01.493595Z
K 7
svn:log
V 415
powerpc/powernv: Add OPAL heartbeat thread

Summary:
OPAL needs to be kicked periodically in order for the firmware to make
progress on its tasks.  To do so, create a heartbeat thread to perform this task
every N milliseconds, defined by the device tree.  This task is also a central
location to handle all messages received from OPAL.

Reviewed By: luporl
Differential Revision: https://reviews.freebsd.org/D19743

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