static void s5p_tick_timer_setup(void)
{
unsigned long rate;
rate = clk_get_rate(clk_event);
s5p_tick_timer_start((rate / HZ) - 1, 1);
}
static void s5p_init_dynamic_tick_timer(unsigned long rate)
{
tick_timer_mode = 1;
s5p_tick_timer_stop();
s5p_tick_timer_start((rate / HZ) - 1, 1);
clockevent_tick_timer.mult = div_sc(rate, NSEC_PER_SEC,
clockevent_tick_timer.shift);
clockevent_tick_timer.max_delta_ns =
clockevent_delta2ns(-1, &clockevent_tick_timer);
clockevent_tick_timer.min_delta_ns =
clockevent_delta2ns(1, &clockevent_tick_timer);
clockevent_tick_timer.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_tick_timer);
printk(KERN_INFO "mult[%lu]\n",
(long unsigned int)clockevent_tick_timer.mult);
printk(KERN_INFO "max_delta_ns[%lu]\n",
(long unsigned int)clockevent_tick_timer.max_delta_ns);
printk(KERN_INFO "min_delta_ns[%lu]\n",
(long unsigned int)clockevent_tick_timer.min_delta_ns);
printk(KERN_INFO "rate[%lu]\n",
(long unsigned int)rate);
printk(KERN_INFO "HZ[%d]\n", HZ);
}
/*
* RTC tick : count down to zero, interrupt, reload
*/
static int s5p_tick_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
/* printk(KERN_INFO "%d\n", cycles); */
if (cycles == 0) /* Should be larger than 0 */
cycles = 1;
s5p_tick_timer_start(cycles, 0);
return 0;
}
