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msm: timer: do not always clear msm_active_clock

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If a timer is being shutdown and it is not the active
clock, the msm_active_clock for that CPU should not be
cleared.

Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
This commit is contained in:
Steve Muckle
2012-06-06 19:01:37 -07:00
parent 711a714bdd
commit d599fdaaae
1 changed files with 4 additions and 1 deletions
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arch/arm/mach-msm/timer.c
+4 -1
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@@ -322,6 +322,7 @@ static void msm_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
struct msm_clock *clock;
struct msm_clock **cur_clock;
struct msm_clock_percpu_data *clock_state, *gpt_state;
unsigned long irq_flags;
struct irq_chip *chip;
@@ -354,7 +355,9 @@ static void msm_timer_set_mode(enum clock_event_mode mode,
break;
case CLOCK_EVT_MODE_UNUSED:
case CLOCK_EVT_MODE_SHUTDOWN:
get_cpu_var(msm_active_clock) = NULL;
cur_clock = &get_cpu_var(msm_active_clock);
if (*cur_clock == clock)
*cur_clock = NULL;
put_cpu_var(msm_active_clock);
clock_state->in_sync = 0;
clock_state->stopped = 1;