diff options
Diffstat (limited to 'drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c')
| -rw-r--r-- | drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c index 5e3645c96443..5ac6c9113767 100644 --- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c @@ -33,6 +33,7 @@ #define DDRC_INT_MASK 0x6c8 #define DDRC_INT_STATUS 0x6cc #define DDRC_INT_CLEAR 0x6d0 +#define DDRC_VERSION 0x710 /* DDRC has 8-counters */ #define DDRC_NR_COUNTERS 0x8 @@ -267,6 +268,8 @@ static int hisi_ddrc_pmu_init_data(struct platform_device *pdev, return PTR_ERR(ddrc_pmu->base); } + ddrc_pmu->identifier = readl(ddrc_pmu->base + DDRC_VERSION); + return 0; } @@ -308,10 +311,23 @@ static const struct attribute_group hisi_ddrc_pmu_cpumask_attr_group = { .attrs = hisi_ddrc_pmu_cpumask_attrs, }; +static struct device_attribute hisi_ddrc_pmu_identifier_attr = + __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL); + +static struct attribute *hisi_ddrc_pmu_identifier_attrs[] = { + &hisi_ddrc_pmu_identifier_attr.attr, + NULL +}; + +static struct attribute_group hisi_ddrc_pmu_identifier_group = { + .attrs = hisi_ddrc_pmu_identifier_attrs, +}; + static const struct attribute_group *hisi_ddrc_pmu_attr_groups[] = { &hisi_ddrc_pmu_format_group, &hisi_ddrc_pmu_events_group, &hisi_ddrc_pmu_cpumask_attr_group, + &hisi_ddrc_pmu_identifier_group, NULL, }; |