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>
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@ -93,6 +93,8 @@ static void __noreturn pnv_restart(char *cmd)
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{
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long rc = OPAL_BUSY;
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opal_notifier_disable();
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while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
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rc = opal_cec_reboot();
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if (rc == OPAL_BUSY_EVENT)
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@ -108,6 +110,8 @@ static void __noreturn pnv_power_off(void)
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{
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long rc = OPAL_BUSY;
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opal_notifier_disable();
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while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
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rc = opal_cec_power_down(0);
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if (rc == OPAL_BUSY_EVENT)
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