ARM: prima2: use machine specific hook for late init

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Barry Song <baohua.song@csr.com>
diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c
index 02b9c05..8f0429d 100644
--- a/arch/arm/mach-prima2/prima2.c
+++ b/arch/arm/mach-prima2/prima2.c
@@ -25,6 +25,11 @@
 	of_platform_bus_probe(NULL, sirfsoc_of_bus_ids, NULL);
 }
 
+void __init sirfsoc_init_late(void)
+{
+	sirfsoc_pm_init();
+}
+
 static const char *prima2cb_dt_match[] __initdata = {
        "sirf,prima2-cb",
        NULL
@@ -39,6 +44,7 @@
 	.timer		= &sirfsoc_timer,
 	.dma_zone_size	= SZ_256M,
 	.init_machine	= sirfsoc_mach_init,
+	.init_late	= sirfsoc_init_late,
 	.dt_compat      = prima2cb_dt_match,
 	.restart	= sirfsoc_restart,
 MACHINE_END