diff options
Diffstat (limited to 'drivers/perf/arm_pmu_platform.c')
| -rw-r--r-- | drivers/perf/arm_pmu_platform.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 46501cc79fd7..971ff336494a 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -122,18 +122,11 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) return pmu_parse_percpu_irq(pmu, irq); } - if (!pmu_has_irq_affinity(pdev->dev.of_node)) { + if (nr_cpu_ids != 1 && !pmu_has_irq_affinity(pdev->dev.of_node)) { pr_warn("no interrupt-affinity property for %pOF, guessing.\n", pdev->dev.of_node); } - /* - * Some platforms have all PMU IRQs OR'd into a single IRQ, with a - * special platdata function that attempts to demux them. - */ - if (dev_get_platdata(&pdev->dev)) - cpumask_setall(&pmu->supported_cpus); - for (i = 0; i < num_irqs; i++) { int cpu, irq; @@ -164,6 +157,36 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) return 0; } +static int armpmu_request_irqs(struct arm_pmu *armpmu) +{ + struct pmu_hw_events __percpu *hw_events = armpmu->hw_events; + int cpu, err; + + for_each_cpu(cpu, &armpmu->supported_cpus) { + int irq = per_cpu(hw_events->irq, cpu); + if (!irq) + continue; + + err = armpmu_request_irq(irq, cpu); + if (err) + break; + } + + return err; +} + +static void armpmu_free_irqs(struct arm_pmu *armpmu) +{ + int cpu; + struct pmu_hw_events __percpu *hw_events = armpmu->hw_events; + + for_each_cpu(cpu, &armpmu->supported_cpus) { + int irq = per_cpu(hw_events->irq, cpu); + + armpmu_free_irq(irq, cpu); + } +} + int arm_pmu_device_probe(struct platform_device *pdev, const struct of_device_id *of_table, const struct pmu_probe_info *probe_table) |