diff options
| -rw-r--r-- | arch/sparc/kernel/time_64.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 98d05de8da66..6724bcbc3526 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -585,6 +585,7 @@ fs_initcall(clock_init); /* This is gets the master TICK_INT timer going. */ static unsigned long sparc64_init_timers(void) { + struct sparc64_tick_ops *ops = NULL; struct device_node *dp; unsigned long freq; @@ -598,16 +599,17 @@ static unsigned long sparc64_init_timers(void) impl = ((ver >> 32) & 0xffff); if (manuf == 0x17 && impl == 0x13) { /* Hummingbird, aka Ultra-IIe */ - tick_ops = &hbtick_operations; + ops = &hbtick_operations; freq = of_getintprop_default(dp, "stick-frequency", 0); } else { - tick_ops = &tick_operations; freq = local_cpu_data().clock_tick; } } else { - tick_ops = &stick_operations; + ops = &stick_operations; freq = of_getintprop_default(dp, "stick-frequency", 0); } + if (ops) + memcpy(&tick_operations, ops, sizeof(struct sparc64_tick_ops)); return freq; } @@ -671,12 +673,12 @@ core_initcall(register_sparc64_cpufreq_notifier); static int sparc64_next_event(unsigned long delta, struct clock_event_device *evt) { - return tick_ops->add_compare(delta) ? -ETIME : 0; + return tick_operations.add_compare(delta) ? -ETIME : 0; } static int sparc64_timer_shutdown(struct clock_event_device *evt) { - tick_ops->disable_irq(); + tick_operations.disable_irq(); return 0; } @@ -693,7 +695,7 @@ static DEFINE_PER_CPU(struct clock_event_device, sparc64_events); void __irq_entry timer_interrupt(int irq, struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); - unsigned long tick_mask = tick_ops->softint_mask; + unsigned long tick_mask = tick_operations.softint_mask; int cpu = smp_processor_id(); struct clock_event_device *evt = &per_cpu(sparc64_events, cpu); @@ -728,7 +730,7 @@ void setup_sparc64_timer(void) : "=r" (pstate) : "i" (PSTATE_IE)); - tick_ops->init_tick(); + tick_operations.init_tick(); /* Restore PSTATE_IE. */ __asm__ __volatile__("wrpr %0, 0x0, %%pstate" @@ -757,9 +759,9 @@ void __delay(unsigned long loops) { unsigned long bclock, now; - bclock = tick_ops->get_tick(); + bclock = tick_operations.get_tick(); do { - now = tick_ops->get_tick(); + now = tick_operations.get_tick(); } while ((now-bclock) < loops); } EXPORT_SYMBOL(__delay); @@ -772,7 +774,7 @@ EXPORT_SYMBOL(udelay); static u64 clocksource_tick_read(struct clocksource *cs) { - return tick_ops->get_tick(); + return tick_operations.get_tick(); } void __init time_init(void) @@ -784,14 +786,14 @@ void __init time_init(void) timer_ticks_per_nsec_quotient = clocksource_hz2mult(freq, SPARC64_NSEC_PER_CYC_SHIFT); - clocksource_tick.name = tick_ops->name; + clocksource_tick.name = tick_operations.name; clocksource_tick.read = clocksource_tick_read; clocksource_register_hz(&clocksource_tick, freq); printk("clocksource: mult[%x] shift[%d]\n", clocksource_tick.mult, clocksource_tick.shift); - sparc64_clockevent.name = tick_ops->name; + sparc64_clockevent.name = tick_operations.name; clockevents_calc_mult_shift(&sparc64_clockevent, freq, 4); sparc64_clockevent.max_delta_ns = @@ -809,7 +811,7 @@ void __init time_init(void) unsigned long long sched_clock(void) { - unsigned long ticks = tick_ops->get_tick(); + unsigned long ticks = tick_operations.get_tick(); return (ticks * timer_ticks_per_nsec_quotient) >> SPARC64_NSEC_PER_CYC_SHIFT; @@ -817,6 +819,6 @@ unsigned long long sched_clock(void) int read_current_timer(unsigned long *timer_val) { - *timer_val = tick_ops->get_tick(); + *timer_val = tick_operations.get_tick(); return 0; } |