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authorStefan Agner <stefan@agner.ch>2014-09-29 03:50:05 +0400
committerDaniel Lezcano <daniel.lezcano@linaro.org>2014-09-29 03:50:05 +0400
commit04f7e3e5134b9517bd9a78a84a9ee0f982d3ebdd (patch)
tree9aceaf4035d0101bbeb7a9673d80a7fa2ed1c9ef /drivers/clocksource/vf_pit_timer.c
parente4a6b378751fa8934c691816da1423e849059fad (diff)
downloadlinux-04f7e3e5134b9517bd9a78a84a9ee0f982d3ebdd.tar.xz
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>
Diffstat (limited to 'drivers/clocksource/vf_pit_timer.c')
-rw-r--r--drivers/clocksource/vf_pit_timer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c
index a918bc481c52..b45ac6229b57 100644
--- a/drivers/clocksource/vf_pit_timer.c
+++ b/drivers/clocksource/vf_pit_timer.c
@@ -93,6 +93,10 @@ static void pit_set_mode(enum clock_event_mode mode,
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;
}