diff options
| -rw-r--r-- | drivers/perf/qcom_l2_pmu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c index 5b093badd0f6..7640491aab12 100644 --- a/drivers/perf/qcom_l2_pmu.c +++ b/drivers/perf/qcom_l2_pmu.c @@ -840,17 +840,14 @@ static int l2_cache_pmu_probe_cluster(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev->parent); struct platform_device *sdev = to_platform_device(dev); + struct acpi_device *adev = ACPI_COMPANION(dev); struct l2cache_pmu *l2cache_pmu = data; struct cluster_pmu *cluster; - struct acpi_device *device; unsigned long fw_cluster_id; int err; int irq; - if (acpi_bus_get_device(ACPI_HANDLE(dev), &device)) - return -ENODEV; - - if (kstrtoul(device->pnp.unique_id, 10, &fw_cluster_id) < 0) { + if (!adev || kstrtoul(adev->pnp.unique_id, 10, &fw_cluster_id) < 0) { dev_err(&pdev->dev, "unable to read ACPI uid\n"); return -ENODEV; } |