diff options
Diffstat (limited to 'drivers/perf/arm_pmu.c')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index d4f7f1f9cc77..3cbc3baf087f 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -563,14 +563,14 @@ static int armpmu_filter_match(struct perf_event *event) return ret; } -static ssize_t armpmu_cpumask_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t cpus_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct arm_pmu *armpmu = to_arm_pmu(dev_get_drvdata(dev)); return cpumap_print_to_pagebuf(true, buf, &armpmu->supported_cpus); } -static DEVICE_ATTR(cpus, S_IRUGO, armpmu_cpumask_show, NULL); +static DEVICE_ATTR_RO(cpus); static struct attribute *armpmu_common_attrs[] = { &dev_attr_cpus.attr, @@ -644,11 +644,9 @@ int armpmu_request_irq(int irq, int cpu) } irq_flags = IRQF_PERCPU | - IRQF_NOBALANCING | + IRQF_NOBALANCING | IRQF_NO_AUTOEN | IRQF_NO_THREAD; - irq_set_status_flags(irq, IRQ_NOAUTOEN); - err = request_nmi(irq, handler, irq_flags, "arm-pmu", per_cpu_ptr(&cpu_armpmu, cpu)); @@ -670,7 +668,7 @@ int armpmu_request_irq(int irq, int cpu) &cpu_armpmu); irq_ops = &percpu_pmuirq_ops; } else { - has_nmi= true; + has_nmi = true; irq_ops = &percpu_pmunmi_ops; } } else { @@ -869,10 +867,8 @@ static struct arm_pmu *__armpmu_alloc(gfp_t flags) int cpu; pmu = kzalloc(sizeof(*pmu), flags); - if (!pmu) { - pr_info("failed to allocate PMU device!\n"); + if (!pmu) goto out; - } pmu->hw_events = alloc_percpu_gfp(struct pmu_hw_events, flags); if (!pmu->hw_events) { |