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| author | David S. Miller <davem@davemloft.net> | 2010-01-23 00:31:06 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-23 00:31:06 -0800 |
| commit | 51c24aaacaea90c8e87f1dec75a2ac7622b593f8 (patch) | |
| tree | 9f54936c87764bef75e97395cb56b7d1e0df24c6 /arch/powerpc/kernel/time.c | |
| parent | 4276e47e2d1c85a2477caf0d22b91c4f2377fba8 (diff) | |
| parent | 6be325719b3e54624397e413efd4b33a997e55a3 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 11 |
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; |