diff options
| -rw-r--r-- | drivers/perf/arm_pmu.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index c494613c1909..193a68cc2af4 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -602,7 +602,7 @@ static void cpu_pmu_free_irq(struct arm_pmu *cpu_pmu) irqs = min(pmu_device->num_resources, num_possible_cpus()); irq = platform_get_irq(pmu_device, 0); - if (irq >= 0 && irq_is_percpu(irq)) { + if (irq > 0 && irq_is_percpu(irq)) { on_each_cpu_mask(&cpu_pmu->supported_cpus, cpu_pmu_disable_percpu_irq, &irq, 1); free_percpu_irq(irq, &hw_events->percpu_pmu); @@ -616,7 +616,7 @@ static void cpu_pmu_free_irq(struct arm_pmu *cpu_pmu) if (!cpumask_test_and_clear_cpu(cpu, &cpu_pmu->active_irqs)) continue; irq = platform_get_irq(pmu_device, i); - if (irq >= 0) + if (irq > 0) free_irq(irq, per_cpu_ptr(&hw_events->percpu_pmu, cpu)); } } @@ -638,7 +638,7 @@ static int cpu_pmu_request_irq(struct arm_pmu *cpu_pmu, irq_handler_t handler) } irq = platform_get_irq(pmu_device, 0); - if (irq >= 0 && irq_is_percpu(irq)) { + if (irq > 0 && irq_is_percpu(irq)) { err = request_percpu_irq(irq, handler, "arm-pmu", &hw_events->percpu_pmu); if (err) { @@ -919,7 +919,7 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) /* Check the IRQ type and prohibit a mix of PPIs and SPIs */ irq = platform_get_irq(pdev, i); - if (irq >= 0) { + if (irq > 0) { bool spi = !irq_is_percpu(irq); if (i > 0 && spi != using_spi) { @@ -969,8 +969,7 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) if (cpumask_weight(&pmu->supported_cpus) == 0) { int irq = platform_get_irq(pdev, 0); - if (irq_is_percpu(irq)) { - /* If using PPIs, check the affinity of the partition */ + if (irq > 0 && irq_is_percpu(irq)) { int ret; ret = irq_get_percpu_devid_partition(irq, &pmu->supported_cpus); |