tree fa21ed839ce10d1baac5310d0c34d37093062041
parent 3f77df7f81526c932ef681eda56eeaa75d0617da
author Benjamin Herrenschmidt <benh@kernel.crashing.org> 1415942030 +1100
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1427262807 +1100

powerpc/powernv: Support OPAL requested heartbeat

If OPAL requests it, call it back via opal_poll_events() at a
regular interval. Some versions of OPAL on some machines require
this to operate some internal timeouts properly.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>