Merge tag 'ovl-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

[linux-2.6-microblaze.git] / drivers / perf / hisilicon / hisi_uncore_pmu.c

diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index 97aff87..9dbdc3f 100644 (file)
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
@@ -119,6 +119,16 @@ int hisi_uncore_pmu_get_event_idx(struct perf_event *event)
 }
 EXPORT_SYMBOL_GPL(hisi_uncore_pmu_get_event_idx);
 
+ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev,
+                                            struct device_attribute *attr,
+                                            char *page)
+{
+       struct hisi_pmu *hisi_pmu = to_hisi_pmu(dev_get_drvdata(dev));
+
+       return snprintf(page, PAGE_SIZE, "0x%08x\n", hisi_pmu->identifier);
+}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_identifier_attr_show);
+
 static void hisi_uncore_pmu_clear_event_idx(struct hisi_pmu *hisi_pmu, int idx)
 {
        if (!hisi_uncore_pmu_counter_valid(hisi_pmu, idx)) {