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path: root/drivers/perf/arm_v7_pmu.c
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Diffstat (limited to 'drivers/perf/arm_v7_pmu.c')
-rw-r--r--drivers/perf/arm_v7_pmu.c53
1 files changed, 1 insertions, 52 deletions
diff --git a/drivers/perf/arm_v7_pmu.c b/drivers/perf/arm_v7_pmu.c
index 420cadd108e7..a1e438101114 100644
--- a/drivers/perf/arm_v7_pmu.c
+++ b/drivers/perf/arm_v7_pmu.c
@@ -858,16 +858,6 @@ static void armv7pmu_enable_event(struct perf_event *event)
}
/*
- * Enable counter and interrupt, and set the counter to count
- * the event that we're interested in.
- */
-
- /*
- * Disable counter
- */
- armv7_pmnc_disable_counter(idx);
-
- /*
* Set event (if destined for PMNx counters)
* We only need to set the event for the cycle counter if we
* have the ability to perform event filtering.
@@ -875,14 +865,7 @@ static void armv7pmu_enable_event(struct perf_event *event)
if (cpu_pmu->set_event_filter || idx != ARMV7_IDX_CYCLE_COUNTER)
armv7_pmnc_write_evtsel(idx, hwc->config_base);
- /*
- * Enable interrupt for this counter
- */
armv7_pmnc_enable_intens(idx);
-
- /*
- * Enable counter
- */
armv7_pmnc_enable_counter(idx);
}
@@ -898,18 +881,7 @@ static void armv7pmu_disable_event(struct perf_event *event)
return;
}
- /*
- * Disable counter and interrupt
- */
-
- /*
- * Disable counter
- */
armv7_pmnc_disable_counter(idx);
-
- /*
- * Disable interrupt for this counter
- */
armv7_pmnc_disable_intens(idx);
}
@@ -958,8 +930,7 @@ static irqreturn_t armv7pmu_handle_irq(struct arm_pmu *cpu_pmu)
if (!armpmu_event_set_period(event))
continue;
- if (perf_event_overflow(event, &data, regs))
- cpu_pmu->disable(event);
+ perf_event_overflow(event, &data, regs);
}
/*
@@ -1477,14 +1448,6 @@ static void krait_pmu_enable_event(struct perf_event *event)
int idx = hwc->idx;
/*
- * Enable counter and interrupt, and set the counter to count
- * the event that we're interested in.
- */
-
- /* Disable counter */
- armv7_pmnc_disable_counter(idx);
-
- /*
* Set event (if destined for PMNx counters)
* We set the event for the cycle counter because we
* have the ability to perform event filtering.
@@ -1494,10 +1457,7 @@ static void krait_pmu_enable_event(struct perf_event *event)
else
armv7_pmnc_write_evtsel(idx, hwc->config_base);
- /* Enable interrupt for this counter */
armv7_pmnc_enable_intens(idx);
-
- /* Enable counter */
armv7_pmnc_enable_counter(idx);
}
@@ -1798,14 +1758,6 @@ static void scorpion_pmu_enable_event(struct perf_event *event)
int idx = hwc->idx;
/*
- * Enable counter and interrupt, and set the counter to count
- * the event that we're interested in.
- */
-
- /* Disable counter */
- armv7_pmnc_disable_counter(idx);
-
- /*
* Set event (if destined for PMNx counters)
* We don't set the event for the cycle counter because we
* don't have the ability to perform event filtering.
@@ -1815,10 +1767,7 @@ static void scorpion_pmu_enable_event(struct perf_event *event)
else if (idx != ARMV7_IDX_CYCLE_COUNTER)
armv7_pmnc_write_evtsel(idx, hwc->config_base);
- /* Enable interrupt for this counter */
armv7_pmnc_enable_intens(idx);
-
- /* Enable counter */
armv7_pmnc_enable_counter(idx);
}