diff options
Diffstat (limited to 'drivers/perf/arm_pmu_platform.c')
| -rw-r--r-- | drivers/perf/arm_pmu_platform.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 91b224eced18..46501cc79fd7 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -82,19 +82,10 @@ static int pmu_parse_irq_affinity(struct device_node *node, int i) return -EINVAL; } - /* Now look up the logical CPU number */ - for_each_possible_cpu(cpu) { - struct device_node *cpu_dn; - - cpu_dn = of_cpu_device_node_get(cpu); - of_node_put(cpu_dn); - - if (dn == cpu_dn) - break; - } - - if (cpu >= nr_cpu_ids) { + cpu = of_cpu_node_to_id(dn); + if (cpu < 0) { pr_warn("failed to find logical CPU for %s\n", dn->name); + cpu = nr_cpu_ids; } of_node_put(dn); |