Register with kernel power-off handler instead of setting pm_power_off
directly. Register with low priority to reflect that the call is expected
to be replaced at some point in the future.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <redacted>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v5:
- Rebase to v3.18-rc3
v4:
- No change
v3:
- Replace poweroff in all newly introduced variables and in text
  with power_off or power-off as appropriate
- Replace POWEROFF_PRIORITY_xxx with POWER_OFF_PRIORITY_xxx
v2:
- Use define to specify poweroff handler priority

 arch/ia64/sn/kernel/setup.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 5f6b6b4..fc9905e 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c

@@ -488,12 +488,13 @@ void __init sn_setup(char **cmdline_p)
 	sn_timer_init();
 
 	/*
-	 * set pm_power_off to a SAL call to allow
+	 * set power-off handler to a SAL call to allow
 	 * sn machines to power off. The SAL call can be replaced
 	 * by an ACPI interface call when ACPI is fully implemented
 	 * for sn.
 	 */
-	pm_power_off = ia64_sn_power_down;
+	register_power_off_handler_simple(ia64_sn_power_down,
+					  POWER_OFF_PRIORITY_LOW);
 	current->thread.flags |= IA64_THREAD_MIGRATION;
 }
 

-- 
1.9.1