From 3daea253160a8444a661679443d66bc40ec1d9d9 Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Mon, 11 Jan 2010 22:28:54 +0000
Subject: [PATCH] --- yaml --- r: 179573 b: refs/heads/master c:
 3e7b484354c8f60c12119c1c5174ef354696c30d h: refs/heads/master i:   179571:
 ed27719e717d737fb756754c91171a011c0bd643 v: v3

---
 [refs]                           |  2 +-
 trunk/arch/powerpc/kernel/time.c | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 2b84b6abbf3d..3d5649252e26 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b0ff153cd6228b2502e1c3ce5e226b82ae4e0679
+refs/heads/master: 3e7b484354c8f60c12119c1c5174ef354696c30d
diff --git a/trunk/arch/powerpc/kernel/time.c b/trunk/arch/powerpc/kernel/time.c
index 9ba2cc88591d..6c6093d67f30 100644
--- a/trunk/arch/powerpc/kernel/time.c
+++ b/trunk/arch/powerpc/kernel/time.c
@@ -903,12 +903,21 @@ static void decrementer_set_mode(enum clock_event_mode mode,
 		decrementer_set_next_event(DECREMENTER_MAX, dev);
 }
 
+static inline uint64_t div_sc64(unsigned long ticks, unsigned long nsec,
+				int shift)
+{
+	uint64_t tmp = ((uint64_t)ticks) << shift;
+
+	do_div(tmp, nsec);
+	return tmp;
+}
+
 static void __init setup_clockevent_multiplier(unsigned long hz)
 {
 	u64 mult, shift = 32;
 
 	while (1) {
-		mult = div_sc(hz, NSEC_PER_SEC, shift);
+		mult = div_sc64(hz, NSEC_PER_SEC, shift);
 		if (mult && (mult >> 32UL) == 0UL)
 			break;