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path: root/drivers/firmware/psci/psci.c
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Diffstat (limited to 'drivers/firmware/psci/psci.c')
-rw-r--r--drivers/firmware/psci/psci.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 3c1c5daf6df2..cfb448eabdaa 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -296,7 +296,8 @@ static int get_set_conduit_method(struct device_node *np)
return 0;
}
-static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
+static int psci_sys_reset(struct notifier_block *nb, unsigned long action,
+ void *data)
{
if ((reboot_mode == REBOOT_WARM || reboot_mode == REBOOT_SOFT) &&
psci_system_reset2_supported) {
@@ -309,8 +310,15 @@ static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
} else {
invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
}
+
+ return NOTIFY_DONE;
}
+static struct notifier_block psci_sys_reset_nb = {
+ .notifier_call = psci_sys_reset,
+ .priority = 129,
+};
+
static void psci_sys_poweroff(void)
{
invoke_psci_fn(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);
@@ -335,10 +343,15 @@ int psci_cpu_suspend_enter(u32 state)
{
int ret;
- if (!psci_power_state_loses_context(state))
+ if (!psci_power_state_loses_context(state)) {
+ struct arm_cpuidle_irq_context context;
+
+ arm_cpuidle_save_irq_context(&context);
ret = psci_ops.cpu_suspend(state, 0);
- else
+ arm_cpuidle_restore_irq_context(&context);
+ } else {
ret = cpu_suspend(state, psci_suspend_finisher);
+ }
return ret;
}
@@ -472,7 +485,7 @@ static void __init psci_0_2_set_functions(void)
.migrate_info_type = psci_migrate_info_type,
};
- arm_pm_restart = psci_sys_reset;
+ register_restart_handler(&psci_sys_reset_nb);
pm_power_off = psci_sys_poweroff;
}