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| author | Paul Mundt <lethal@linux-sh.org> | 2010-02-02 11:33:45 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-02 11:33:45 +0900 |
| commit | 9d3f1881abeae0494a27716b08fcf2d3264bb0fa (patch) | |
| tree | f457dd2d35af29bc831b93865efa47229d0b9bee /arch/powerpc/kernel/time.c | |
| parent | b6c58b1d987a5795086c5c2babd8c7367d2fdb8c (diff) | |
| parent | bc10e875d4aeaa93a0d418d8b4346b72f5067ea0 (diff) | |
| download | kernel-crypto-9d3f1881abeae0494a27716b08fcf2d3264bb0fa.tar.gz kernel-crypto-9d3f1881abeae0494a27716b08fcf2d3264bb0fa.tar.xz kernel-crypto-9d3f1881abeae0494a27716b08fcf2d3264bb0fa.zip | |
Merge branch 'sh/stable-updates'
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; |