Migrate omap timer32 driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.
This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.
Acked-by: Santosh Shilimkar <ssantosh@xxxxxxxxxx>
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
arch/arm/mach-omap1/timer32k.c | 33 ++++++++++++++++-----------------
1 file changed, 16 insertions(+), 17 deletions(-)
diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c
index 36bf174b3fac..0ae6c52a7d70 100644
--- a/arch/arm/mach-omap1/timer32k.c
+++ b/arch/arm/mach-omap1/timer32k.c
@@ -114,29 +114,28 @@ static int omap_32k_timer_set_next_event(unsigned long delta,
return 0;
}
-static void omap_32k_timer_set_mode(enum clock_event_mode mode,
- struct clock_event_device *evt)
+static int omap_32k_timer_shutdown(struct clock_event_device *evt)
{
omap_32k_timer_stop();
+ return 0;
+}
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
- break;
- case CLOCK_EVT_MODE_RESUME:
- break;
- }
+static int omap_32k_timer_set_periodic(struct clock_event_device *evt)
+{
+ omap_32k_timer_stop();
+ omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
+ return 0;
}
static struct clock_event_device clockevent_32k_timer = {
- .name = "32k-timer",
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = omap_32k_timer_set_next_event,
- .set_mode = omap_32k_timer_set_mode,
+ .name = "32k-timer",
+ .features = CLOCK_EVT_FEAT_PERIODIC |
+ CLOCK_EVT_FEAT_ONESHOT,
+ .set_next_event = omap_32k_timer_set_next_event,
+ .set_state_shutdown = omap_32k_timer_shutdown,
+ .set_state_periodic = omap_32k_timer_set_periodic,
+ .set_state_oneshot = omap_32k_timer_shutdown,
+ .tick_resume = omap_32k_timer_shutdown,
};
static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id)
--
2.4.0
--
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