Merge tag 'seccomp-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees...

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

diff --git a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
index 5eb8168..41b2dce 100644 (file)
--- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
@@ -23,6 +23,7 @@
 #define HHA_INT_MASK           0x0804
 #define HHA_INT_STATUS         0x0808
 #define HHA_INT_CLEAR          0x080C
+#define HHA_VERSION            0x1cf0
 #define HHA_PERF_CTRL          0x1E00
 #define HHA_EVENT_CTRL         0x1E04
 #define HHA_EVENT_TYPE0                0x1E80
@@ -261,6 +262,8 @@ static int hisi_hha_pmu_init_data(struct platform_device *pdev,
                return PTR_ERR(hha_pmu->base);
        }
 
+       hha_pmu->identifier = readl(hha_pmu->base + HHA_VERSION);
+
        return 0;
 }
 
@@ -320,10 +323,23 @@ static const struct attribute_group hisi_hha_pmu_cpumask_attr_group = {
        .attrs = hisi_hha_pmu_cpumask_attrs,
 };
 
+static struct device_attribute hisi_hha_pmu_identifier_attr =
+       __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
+
+static struct attribute *hisi_hha_pmu_identifier_attrs[] = {
+       &hisi_hha_pmu_identifier_attr.attr,
+       NULL
+};
+
+static struct attribute_group hisi_hha_pmu_identifier_group = {
+       .attrs = hisi_hha_pmu_identifier_attrs,
+};
+
 static const struct attribute_group *hisi_hha_pmu_attr_groups[] = {
        &hisi_hha_pmu_format_group,
        &hisi_hha_pmu_events_group,
        &hisi_hha_pmu_cpumask_attr_group,
+       &hisi_hha_pmu_identifier_group,
        NULL,
 };