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s390/time: improve comparison for tod steering 

It doesn't make sense to add zero shifted by 15. It's still zero.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2020-07-20 14:28:36 +02:00
parent 555701a714
commit 411155820b
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kernel/time.c
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@ -237,7 +237,7 @@ static u64 read_tod_clock(struct clocksource *cs)
preempt_disable(); /* protect from changes to steering parameters */
now = get_tod_clock();
adj = tod_steering_end - now;
if (unlikely((s64) adj >= 0))
if (unlikely((s64) adj > 0))
/*
* manually steer by 1 cycle every 2^16 cycles. This
* corresponds to shifting the tod delta by 15. 1s is