static void __init omap2_gp_clockevent_init(int gptimer_id, const char *fck_source, const char *property) { int res; clkev.id = gptimer_id; clkev.errata = omap_dm_timer_get_errata(); /* * For clock-event timers we never read the timer counter and * so we are not impacted by errata i103 and i767. Therefore, * we can safely ignore this errata for clock-event timers. */ __omap_dm_timer_override_errata(&clkev, OMAP_TIMER_ERRATA_I103_I767); res = omap_dm_timer_init_one(&clkev, fck_source, property, &clockevent_gpt.name, OMAP_TIMER_POSTED); BUG_ON(res); omap2_gp_timer_irq.dev_id = &clkev; setup_irq(clkev.irq, &omap2_gp_timer_irq); __omap_dm_timer_int_enable(&clkev, OMAP_TIMER_INT_OVERFLOW); clockevent_gpt.cpumask = cpu_possible_mask; clockevent_gpt.irq = omap_dm_timer_get_irq(&clkev); clockevents_config_and_register(&clockevent_gpt, clkev.rate, 3, /* Timer internal resynch latency */ 0xffffffff); pr_info("OMAP clockevent source: %s at %lu Hz\n", clockevent_gpt.name, clkev.rate); }
static void __init omap2_gp_clockevent_init(int gptimer_id, const char *fck_source, const char *property) { int res; clkev.errata = omap_dm_timer_get_errata(); /* * For clock-event timers we never read the timer counter and * so we are not impacted by errata i103 and i767. Therefore, * we can safely ignore this errata for clock-event timers. */ __omap_dm_timer_override_errata(&clkev, OMAP_TIMER_ERRATA_I103_I767); res = omap_dm_timer_init_one(&clkev, gptimer_id, fck_source, property, OMAP_TIMER_POSTED); BUG_ON(res); omap2_gp_timer_irq.dev_id = &clkev; setup_irq(clkev.irq, &omap2_gp_timer_irq); __omap_dm_timer_int_enable(&clkev, OMAP_TIMER_INT_OVERFLOW); clockevent_gpt.mult = div_sc(clkev.rate, NSEC_PER_SEC, clockevent_gpt.shift); clockevent_gpt.max_delta_ns = clockevent_delta2ns(0xffffffff, &clockevent_gpt); clockevent_gpt.min_delta_ns = clockevent_delta2ns(3, &clockevent_gpt); /* Timer internal resynch latency. */ clockevent_gpt.cpumask = cpu_possible_mask; clockevent_gpt.irq = omap_dm_timer_get_irq(&clkev); clockevents_register_device(&clockevent_gpt); pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n", gptimer_id, clkev.rate); }