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powernv/opal: Disable OPAL notifier upon poweroff 

While we're restarting or powering off the system, we needn't
the OPAL notifier any more. So just to disable that.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Gavin Shan 2013-06-20 18:13:23 +08:00 committed by Benjamin Herrenschmidt
parent 1bc98de26d
commit e8e71fa426
1 changed files with 4 additions and 0 deletions
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4
arch/powerpc/platforms/powernv/setup.c
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@ -93,6 +93,8 @@ static void __noreturn pnv_restart(char *cmd)
{
long rc = OPAL_BUSY;
opal_notifier_disable();
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_cec_reboot();
if (rc == OPAL_BUSY_EVENT)
@ -108,6 +110,8 @@ static void __noreturn pnv_power_off(void)
{
long rc = OPAL_BUSY;
opal_notifier_disable();
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_cec_power_down(0);
if (rc == OPAL_BUSY_EVENT)