[PATCH 24/27] powernv/opal: Disable OPAL notifier upon poweroff
From: Gavin Shan <hidden>
Date: 2013-06-15 09:03:41
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
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 <redacted> --- arch/powerpc/platforms/powernv/setup.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index d4459bf..84438af 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c@@ -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)
--
1.7.5.4