ARM: mach-shmobile: Runtime PM late init callback

Add a mach-shmobile specific callback for SoC-specific code
to hook into. By having the late_initcall() in a common place
we can have multi-SoC/board support in the same kernel binary.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/mach-shmobile/pm_runtime.c b/arch/arm/mach-shmobile/pm_runtime.c
index 2bcde1c..2f6ded5 100644
--- a/arch/arm/mach-shmobile/pm_runtime.c
+++ b/arch/arm/mach-shmobile/pm_runtime.c
@@ -56,3 +56,13 @@
 	return 0;
 }
 core_initcall(sh_pm_runtime_init);
+
+void (*shmobile_runtime_pm_late_init)(void);
+
+static int __init sh_pm_runtime_late_init(void)
+{
+	if (shmobile_runtime_pm_late_init)
+		shmobile_runtime_pm_late_init();
+	return 0;
+}
+late_initcall(sh_pm_runtime_late_init);