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-rw-r--r--arch/arm/mach-vexpress/tc2_pm.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c
index cdc606816cd..ddd97dd4e9b 100644
--- a/arch/arm/mach-vexpress/tc2_pm.c
+++ b/arch/arm/mach-vexpress/tc2_pm.c
@@ -95,7 +95,7 @@ static int tc2_pm_power_up(unsigned int cpu, unsigned int cluster)
return 0;
}
-static void tc2_pm_power_down(void)
+static void tc2_pm_down(u64 residency)
{
unsigned int mpidr, cpu, cluster;
bool last_man = false, skip_wfi = false;
@@ -209,6 +209,22 @@ static void tc2_pm_power_down(void)
/* Not dead at this point? Let our caller cope. */
}
+static void tc2_pm_power_down(void)
+{
+ tc2_pm_down(0);
+}
+
+static void tc2_pm_suspend(u64 residency)
+{
+ unsigned int mpidr, cpu, cluster;
+
+ mpidr = read_cpuid_mpidr();
+ cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
+ ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point));
+ tc2_pm_down(residency);
+}
+
static void tc2_pm_powered_up(void)
{
unsigned int mpidr, cpu, cluster;
@@ -242,6 +258,7 @@ static void tc2_pm_powered_up(void)
static const struct mcpm_platform_ops tc2_pm_power_ops = {
.power_up = tc2_pm_power_up,
.power_down = tc2_pm_power_down,
+ .suspend = tc2_pm_suspend,
.powered_up = tc2_pm_powered_up,
};