diff options
Diffstat (limited to 'drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c')
-rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c index 8c3ffcbfd4c0..ffb039d05d07 100644 --- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c @@ -499,13 +499,6 @@ static int hisi_ddrc_pmu_probe(struct platform_device *pdev) if (ret) return ret; - ret = cpuhp_state_add_instance(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, - &ddrc_pmu->node); - if (ret) { - dev_err(&pdev->dev, "Error %d registering hotplug;\n", ret); - return ret; - } - if (ddrc_pmu->identifier >= HISI_PMU_V2) name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "hisi_sccl%u_ddrc%u_%u", @@ -516,7 +509,17 @@ static int hisi_ddrc_pmu_probe(struct platform_device *pdev) "hisi_sccl%u_ddrc%u", ddrc_pmu->sccl_id, ddrc_pmu->index_id); - hisi_pmu_init(ddrc_pmu, name, THIS_MODULE); + if (!name) + return -ENOMEM; + + ret = cpuhp_state_add_instance(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, + &ddrc_pmu->node); + if (ret) { + dev_err(&pdev->dev, "Error %d registering hotplug;\n", ret); + return ret; + } + + hisi_pmu_init(ddrc_pmu, THIS_MODULE); ret = perf_pmu_register(&ddrc_pmu->pmu, name, -1); if (ret) { |