MN10300: Use clocksource_register_hz()
clocksource_register_hz() calculates the shift/mult pair for the clocksource. Remove the mn10300 duplicate implementation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: John Stultz <johnstul@us.ibm.com> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: Mark Salter <msalter@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com>
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@ -29,7 +29,6 @@ static struct clocksource clocksource_mn10300 = {
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int __init init_clocksource(void)
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{
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startup_timestamp_counter();
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clocksource_set_clock(&clocksource_mn10300, MN10300_TSCCLK);
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clocksource_register(&clocksource_mn10300);
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clocksource_register_hz(&clocksource_mn10300, MN10300_TSCCLK);
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return 0;
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}
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@ -37,9 +37,6 @@ extern irqreturn_t local_timer_interrupt(void);
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/*
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* time.c
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*/
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#ifdef CONFIG_CEVT_MN10300
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extern void clockevent_set_clock(struct clock_event_device *, unsigned int);
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#endif
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#ifdef CONFIG_CSRC_MN10300
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extern void clocksource_set_clock(struct clocksource *, unsigned int);
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#endif
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@ -93,22 +93,6 @@ irqreturn_t local_timer_interrupt(void)
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return IRQ_HANDLED;
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}
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void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock)
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{
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u64 temp;
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u32 shift;
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/* Find a shift value */
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for (shift = 32; shift > 0; shift--) {
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temp = (u64) NSEC_PER_SEC << shift;
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do_div(temp, clock);
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if ((temp >> 32) == 0)
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break;
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}
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cs->shift = shift;
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cs->mult = (u32) temp;
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}
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void __cpuinit clockevent_set_clock(struct clock_event_device *cd,
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unsigned int clock)
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{
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