powerpc/pseries: Enable POWER Architecture Platform Watchdog Driver
Description: Add support for the new H_WATCHDOG hypercall included with P10 firmware. Add a driver, "pseries-wdt", that exposes these hypercall-based watchdog timers to userspace via the Linux watchdog API.
Bugzilla: http://bugzilla.redhat.com/2110139
Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=47613062
Tested: Did sanity boot testing on power 9 (ibm-p9z-16-lp10) system.
Signed-off-by: Steve Best sbest@redhat.com
Edited by Steve Best