Merge tag 'v2.6.33' for its firewire changes since last branch point

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 10 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 9ba2cc88591..6c6093d67f3 100644
--- a/arch/powerpc/kernel/time.c
+++ b/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;