ARM: mcpm: provide an interface to set the SMP ops at run time

This is cleaner than exporting the mcpm_smp_ops structure.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Jon Medhurst <tixy@linaro.org>

arch/arm/common/mcpm_platsmp.c

@@ -76,7 +76,7 @@ static void mcpm_cpu_die(unsigned int cpu)
 
 #endif
 
-struct smp_operations __initdata mcpm_smp_ops = {
+static struct smp_operations __initdata mcpm_smp_ops = {
 	.smp_init_cpus		= simple_smp_init_cpus,
 	.smp_boot_secondary	= mcpm_boot_secondary,
 	.smp_secondary_init	= mcpm_secondary_init,
@@ -85,3 +85,8 @@ struct smp_operations __initdata mcpm_smp_ops = {
 	.cpu_die		= mcpm_cpu_die,
 #endif
 };
+
+void __init mcpm_smp_set_ops(void)
+{
+	smp_set_ops(&mcpm_smp_ops);
+}

arch/arm/include/asm/mcpm.h

@@ -167,6 +167,8 @@ int __mcpm_cluster_state(unsigned int cluster);
 int __init mcpm_sync_init(
 	void (*power_up_setup)(unsigned int affinity_level));
 
+void __init mcpm_smp_set_ops(void);
+
 #else
 
 /*