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-rw-r--r--arch/arm/kernel/perf_event.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index bf0d7b6006ff..172101ac97de 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -373,6 +373,8 @@ armpmu_release_hardware(struct arm_pmu *armpmu)
{
int i, irq, irqs;
struct platform_device *pmu_device = armpmu->plat_device;
+ struct arm_pmu_platdata *plat =
+ dev_get_platdata(&pmu_device->dev);
irqs = min(pmu_device->num_resources, num_possible_cpus());
@@ -380,8 +382,11 @@ armpmu_release_hardware(struct arm_pmu *armpmu)
if (!cpumask_test_and_clear_cpu(i, &armpmu->active_irqs))
continue;
irq = platform_get_irq(pmu_device, i);
- if (irq >= 0)
+ if (irq >= 0) {
+ if (plat && plat->disable_irq)
+ plat->disable_irq(irq);
free_irq(irq, armpmu);
+ }
}
release_pmu(armpmu->type);
@@ -441,7 +446,8 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)
irq);
armpmu_release_hardware(armpmu);
return err;
- }
+ } else if (plat && plat->enable_irq)
+ plat->enable_irq(irq);
cpumask_set_cpu(i, &armpmu->active_irqs);
}
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