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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-03-18 16:52:50 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2011-03-18 16:52:50 +0000 |
| commit | 817890ba15df44181bc9c2bf7527cb066ebae06f (patch) | |
| tree | d6cf5a0e5a023894ab5fe8bdb1a64bdaf4c12f77 /arch/mn10300 | |
| parent | 73a173a4117419892bd436e85a00a53aa22ad118 (diff) | |
| download | linux-3.10-817890ba15df44181bc9c2bf7527cb066ebae06f.tar.gz linux-3.10-817890ba15df44181bc9c2bf7527cb066ebae06f.tar.bz2 linux-3.10-817890ba15df44181bc9c2bf7527cb066ebae06f.zip | |
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>
Diffstat (limited to 'arch/mn10300')
| -rw-r--r-- | arch/mn10300/kernel/csrc-mn10300.c | 3 | ||||
| -rw-r--r-- | arch/mn10300/kernel/internal.h | 3 | ||||
| -rw-r--r-- | arch/mn10300/kernel/time.c | 16 |
3 files changed, 1 insertions, 21 deletions
diff --git a/arch/mn10300/kernel/csrc-mn10300.c b/arch/mn10300/kernel/csrc-mn10300.c index ba2f0c4d6e0..45644cf18c4 100644 --- a/arch/mn10300/kernel/csrc-mn10300.c +++ b/arch/mn10300/kernel/csrc-mn10300.c @@ -29,7 +29,6 @@ static struct clocksource clocksource_mn10300 = { int __init init_clocksource(void) { startup_timestamp_counter(); - clocksource_set_clock(&clocksource_mn10300, MN10300_TSCCLK); - clocksource_register(&clocksource_mn10300); + clocksource_register_hz(&clocksource_mn10300, MN10300_TSCCLK); return 0; } diff --git a/arch/mn10300/kernel/internal.h b/arch/mn10300/kernel/internal.h index 6a064ab5af0..3d43d4dd023 100644 --- a/arch/mn10300/kernel/internal.h +++ b/arch/mn10300/kernel/internal.h @@ -37,9 +37,6 @@ extern irqreturn_t local_timer_interrupt(void); /* * time.c */ -#ifdef CONFIG_CEVT_MN10300 -extern void clockevent_set_clock(struct clock_event_device *, unsigned int); -#endif #ifdef CONFIG_CSRC_MN10300 extern void clocksource_set_clock(struct clocksource *, unsigned int); #endif diff --git a/arch/mn10300/kernel/time.c b/arch/mn10300/kernel/time.c index 611696df816..78f72080ca1 100644 --- a/arch/mn10300/kernel/time.c +++ b/arch/mn10300/kernel/time.c @@ -93,22 +93,6 @@ irqreturn_t local_timer_interrupt(void) return IRQ_HANDLED; } -void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock) -{ - u64 temp; - u32 shift; - - /* Find a shift value */ - for (shift = 32; shift > 0; shift--) { - temp = (u64) NSEC_PER_SEC << shift; - do_div(temp, clock); - if ((temp >> 32) == 0) - break; - } - cs->shift = shift; - cs->mult = (u32) temp; -} - void __cpuinit clockevent_set_clock(struct clock_event_device *cd, unsigned int clock) { |