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@@ -903,12 +903,21 @@ static void decrementer_set_mode(enum clock_event_mode mode,
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decrementer_set_next_event(DECREMENTER_MAX, dev);
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}
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+static inline uint64_t div_sc64(unsigned long ticks, unsigned long nsec,
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+ int shift)
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+{
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+ uint64_t tmp = ((uint64_t)ticks) << shift;
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+
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+ do_div(tmp, nsec);
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+ return tmp;
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+}
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+
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static void __init setup_clockevent_multiplier(unsigned long hz)
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{
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u64 mult, shift = 32;
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while (1) {
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- mult = div_sc(hz, NSEC_PER_SEC, shift);
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+ mult = div_sc64(hz, NSEC_PER_SEC, shift);
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if (mult && (mult >> 32UL) == 0UL)
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break;
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