clocksource: vf_pit_timer: Support shutdown mode
In order to avoid waking up the system in a low power mode, the
clocksource should not generate interrupts anymore. Disable the PIT
timer interrupt when changing into the CLOCK_EVT_MODE_SHUTDOWN mode.
[dlezcano] : remove superfluous empty line
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Bill Pringlemeir <bpringlemeir@nbsps.com>
diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c
index a918bc4..b45ac62 100644
--- a/drivers/clocksource/vf_pit_timer.c
+++ b/drivers/clocksource/vf_pit_timer.c
@@ -93,6 +93,10 @@
case CLOCK_EVT_MODE_PERIODIC:
pit_set_next_event(cycle_per_jiffy, evt);
break;
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_UNUSED:
+ pit_timer_disable();
+ break;
default:
break;
}