static void sh_cmt_clock_event_mode(enum clock_event_mode mode,
struct clock_event_device *ced)
{
struct sh_cmt_priv *p = ced_to_sh_cmt(ced);
/* deal with old setting first */
switch (ced->mode) {
case CLOCK_EVT_MODE_PERIODIC:
case CLOCK_EVT_MODE_ONESHOT:
sh_cmt_stop(p, FLAG_CLOCKEVENT);
break;
default:
break;
}
switch (mode) {
case CLOCK_EVT_MODE_PERIODIC:
pr_info("sh_cmt: %s used for periodic clock events\n",
ced->name);
sh_cmt_clock_event_start(p, 1);
break;
case CLOCK_EVT_MODE_ONESHOT:
pr_info("sh_cmt: %s used for oneshot clock events\n",
ced->name);
sh_cmt_clock_event_start(p, 0);
break;
case CLOCK_EVT_MODE_SHUTDOWN:
case CLOCK_EVT_MODE_UNUSED:
sh_cmt_stop(p, FLAG_CLOCKEVENT);
break;
default:
break;
}
}
static void sh_cmt_clock_event_resume(struct clock_event_device *ced)
{
struct sh_cmt_priv *p = ced_to_sh_cmt(ced);
clk_prepare(p->clk);
pm_genpd_syscore_poweron(&p->pdev->dev);
}
static int sh_cmt_clock_event_next(unsigned long delta,
struct clock_event_device *ced)
{
struct sh_cmt_priv *p = ced_to_sh_cmt(ced);
BUG_ON(ced->mode != CLOCK_EVT_MODE_ONESHOT);
if (likely(p->flags & FLAG_IRQCONTEXT))
p->next_match_value = delta;
else
sh_cmt_set_next(p, delta);
return 0;
}