diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index d615e6fbe50253e4a746ed33417ad3daac227314..4332dc458ff9d575005757aa4eb3a1cfde91d827 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -170,7 +170,5 @@ void __init iop_init_time(unsigned long tick_rate)
 	write_trr1(0xffffffff);
 	write_tcr1(0xffffffff);
 	write_tmr1(timer_ctl);
-	clocksource_calc_mult_shift(&iop_clocksource, tick_rate,
-				    IOP_MIN_RANGE);
-	clocksource_register(&iop_clocksource);
+	clocksource_register_hz(&iop_clocksource, tick_rate);
 }