diff options
Diffstat (limited to 'drivers/perf/arm_pmu.c')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 1cb8b1a1c122..985bd081f3e7 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -982,6 +982,31 @@ static void armpmu_free(struct arm_pmu *pmu) kfree(pmu); } +int armpmu_register(struct arm_pmu *pmu) +{ + int ret; + + ret = cpu_pmu_init(pmu); + if (ret) + return ret; + + ret = perf_pmu_register(&pmu->pmu, pmu->name, -1); + if (ret) + goto out_destroy; + + if (!__oprofile_cpu_pmu) + __oprofile_cpu_pmu = pmu; + + pr_info("enabled with %s PMU driver, %d counters available\n", + pmu->name, pmu->num_events); + + return 0; + +out_destroy: + cpu_pmu_destroy(pmu); + return ret; +} + int arm_pmu_device_probe(struct platform_device *pdev, const struct of_device_id *of_table, const struct pmu_probe_info *probe_table) @@ -1025,25 +1050,12 @@ int arm_pmu_device_probe(struct platform_device *pdev, goto out_free; } - - ret = cpu_pmu_init(pmu); + ret = armpmu_register(pmu); if (ret) goto out_free; - ret = perf_pmu_register(&pmu->pmu, pmu->name, -1); - if (ret) - goto out_destroy; - - if (!__oprofile_cpu_pmu) - __oprofile_cpu_pmu = pmu; - - pr_info("enabled with %s PMU driver, %d counters available\n", - pmu->name, pmu->num_events); - return 0; -out_destroy: - cpu_pmu_destroy(pmu); out_free: pr_info("%s: failed to register PMU devices!\n", of_node_full_name(node)); |