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author | Ingo Molnar <mingo@elte.hu> | 2010-02-25 09:40:22 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-02-25 09:40:26 +0100 |
commit | 996de8c6fe95c5a9fc524241cc8f142ef0605d3d (patch) | |
tree | 0f637ab0d80d6d7e213707ac2d8c1cc16b69523c /arch/powerpc/kernel/time.c | |
parent | 017c426138122c8e9b9f5057fbd0567c37b35247 (diff) | |
parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) |
Merge commit 'v2.6.33' into core/rcu
Merge reason: Update from -rc4 to -final.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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; |