ARM/mvebu: Convert to hotplug state machine

[deliverable/linux.git] / arch / arm / mach-mvebu / coherency.c

diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 7e989d61159c384df1de62b27156ddf22d8fa44f..77aaa5243a2075675c59fedbc140421a56c34956 100644 (file)
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -111,20 +111,12 @@ static struct notifier_block mvebu_hwcc_pci_nb __maybe_unused = {
        .notifier_call = mvebu_hwcc_notifier,
 };
 
-static int armada_xp_clear_shared_l2_notifier_func(struct notifier_block *nfb,
-                                       unsigned long action, void *hcpu)
+static int armada_xp_clear_l2_starting(unsigned int cpu)
 {
-       if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
-               armada_xp_clear_shared_l2();
-
-       return NOTIFY_OK;
+       armada_xp_clear_shared_l2();
+       return 0;
 }
 
-static struct notifier_block armada_xp_clear_shared_l2_notifier = {
-       .notifier_call = armada_xp_clear_shared_l2_notifier_func,
-       .priority = 100,
-};
-
 static void __init armada_370_coherency_init(struct device_node *np)
 {
        struct resource res;
@@ -155,8 +147,9 @@ static void __init armada_370_coherency_init(struct device_node *np)
 
        of_node_put(cpu_config_np);
 
-       register_cpu_notifier(&armada_xp_clear_shared_l2_notifier);
-
+       cpuhp_setup_state_nocalls(CPUHP_AP_ARM_MVEBU_COHERENCY,
+                                 "AP_ARM_MVEBU_COHERENCY",
+                                 armada_xp_clear_l2_starting, NULL);
 exit:
        set_cpu_coherent();
 }