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-rw-r--r--ArmPkg/Drivers/TimerDxe/TimerDxe.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/ArmPkg/Drivers/TimerDxe/TimerDxe.c b/ArmPkg/Drivers/TimerDxe/TimerDxe.c
index 1559b323eb..37859e178e 100644
--- a/ArmPkg/Drivers/TimerDxe/TimerDxe.c
+++ b/ArmPkg/Drivers/TimerDxe/TimerDxe.c
@@ -143,8 +143,7 @@ TimerDriverSetTimerPeriod (
// mTimerTicks = TimerPeriod in 1ms unit x Frequency.10^-3
// = TimerPeriod.10^-4 x Frequency.10^-3
// = (TimerPeriod x Frequency) x 10^-7
- TimerTicks = MultU64x32 (TimerPeriod, ArmGenericTimerGetTimerFreq ());
- TimerTicks = DivU64x32 (TimerTicks, 10000000U);
+ TimerTicks = TimerPeriod * ArmGenericTimerGetTimerFreq () / 10000000U;
// Raise TPL to update the mTimerTicks and mTimerPeriod to ensure these values
// are coherent in the interrupt handler