From 0f87c1dd8f10958121e10219c89e8d710babd1ce Mon Sep 17 00:00:00 2001
From: Alison Wang <b18965@freescale.com>
Date: Fri, 17 Jul 2015 17:11:52 +0800
Subject: [PATCH] arm: kernel: utilize hrtimer based broadcast

Hrtimer based broadcast is used on ARM platform. It can be
registered as the tick broadcast device in the absence of
a real external clock device.

Signed-off-by: Alison Wang <alison.wang@freescale.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
---
 arch/arm/kernel/time.c | 3 +++
 1 file changed, 3 insertions(+)

--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -9,6 +9,7 @@
  *  reading the RTC at bootup, etc...
  */
 #include <linux/clk-provider.h>
+#include <linux/clockchips.h>
 #include <linux/clocksource.h>
 #include <linux/errno.h>
 #include <linux/export.h>
@@ -107,5 +108,7 @@ void __init time_init(void)
 		of_clk_init(NULL);
 #endif
 		timer_probe();
+
+		tick_setup_hrtimer_broadcast();
 	}
 }