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authorBrian King <brking@linux.vnet.ibm.com>2010-07-07 12:31:02 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-07-09 11:26:17 +1000
commit32d8ad4e621d6620e925cf540ef1d35aa6fa5a7b (patch)
tree02f0113e9a7cf78129b671e00244b39e72471c31 /arch/powerpc/platforms/pseries/hotplug-cpu.c
parent8fe93f8d850a24581e9d47df5814b257fe451052 (diff)
downloadlinaro-lsk-32d8ad4e621d6620e925cf540ef1d35aa6fa5a7b.tar.gz
powerpc/pseries: Partition hibernation support
Enables support for HMC initiated partition hibernation. This is a firmware assisted hibernation, since the firmware handles writing the memory out to disk, along with other partition information, so we just mimic suspend to ram. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/hotplug-cpu.c')
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 8f85f399ab9..bbe50763536 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -116,6 +116,9 @@ static void pseries_mach_cpu_die(void)
if (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
set_cpu_current_state(cpu, CPU_STATE_INACTIVE);
+ if (ppc_md.suspend_disable_cpu)
+ ppc_md.suspend_disable_cpu();
+
cede_latency_hint = 2;
get_lppaca()->idle = 1;