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Diffstat (limited to 'arch/arm/mach-mvebu/pmsu.c')
-rw-r--r--arch/arm/mach-mvebu/pmsu.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 25aa8237d668..b31a8293a347 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -143,13 +143,13 @@ static void armada_370_xp_pmsu_enable_l2_powerdown_onidle(void)
}
/* No locking is needed because we only access per-CPU registers */
-void armada_370_xp_pmsu_idle_prepare(bool deepidle)
+int armada_370_xp_pmsu_idle_enter(unsigned long deepidle)
{
unsigned int hw_cpu = cpu_logical_map(smp_processor_id());
u32 reg;
if (pmsu_mp_base == NULL)
- return;
+ return -EINVAL;
/*
* Adjust the PMSU configuration to wait for WFI signal, enable
@@ -178,11 +178,6 @@ void armada_370_xp_pmsu_idle_prepare(bool deepidle)
reg = readl(pmsu_mp_base + PMSU_CPU_POWER_DOWN_CONTROL(hw_cpu));
reg |= PMSU_CPU_POWER_DOWN_DIS_SNP_Q_SKIP;
writel(reg, pmsu_mp_base + PMSU_CPU_POWER_DOWN_CONTROL(hw_cpu));
-}
-
-static noinline int do_armada_370_xp_cpu_suspend(unsigned long deepidle)
-{
- armada_370_xp_pmsu_idle_prepare(deepidle);
v7_exit_coherency_flush(all);
@@ -215,11 +210,11 @@ static noinline int do_armada_370_xp_cpu_suspend(unsigned long deepidle)
static int armada_370_xp_cpu_suspend(unsigned long deepidle)
{
- return cpu_suspend(deepidle, do_armada_370_xp_cpu_suspend);
+ return cpu_suspend(deepidle, armada_370_xp_pmsu_idle_enter);
}
/* No locking is needed because we only access per-CPU registers */
-static noinline void armada_370_xp_pmsu_idle_restore(void)
+void armada_370_xp_pmsu_idle_exit(void)
{
unsigned int hw_cpu = cpu_logical_map(smp_processor_id());
u32 reg;
@@ -248,7 +243,7 @@ static int armada_370_xp_cpu_pm_notify(struct notifier_block *self,
unsigned int hw_cpu = cpu_logical_map(smp_processor_id());
mvebu_pmsu_set_cpu_boot_addr(hw_cpu, armada_370_xp_cpu_resume);
} else if (action == CPU_PM_EXIT) {
- armada_370_xp_pmsu_idle_restore();
+ armada_370_xp_pmsu_idle_exit();
}
return NOTIFY_OK;
@@ -258,7 +253,7 @@ static struct notifier_block armada_370_xp_cpu_pm_notifier = {
.notifier_call = armada_370_xp_cpu_pm_notify,
};
-int __init armada_370_xp_cpu_pm_init(void)
+static int __init armada_370_xp_cpu_pm_init(void)
{
struct device_node *np;