[PATCH v3 3/9] drivers/perf: Simplify EVENT ATTR macro in SMMU PMU driver

From: Qi Liu
Date: Mon Jun 07 2021 - 23:33:54 EST


Use common macro PMU_EVENT_ATTR_ID to simplify SMMU_EVENT_ATTR.

Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Signed-off-by: Qi Liu <liuqi115@xxxxxxxxxx>
---
drivers/perf/arm_smmuv3_pmu.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index ff6fab4..da2ce30 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -509,11 +509,8 @@ static ssize_t smmu_pmu_event_show(struct device *dev,
return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id);
}

-#define SMMU_EVENT_ATTR(name, config) \
- (&((struct perf_pmu_events_attr) { \
- .attr = __ATTR(name, 0444, smmu_pmu_event_show, NULL), \
- .id = config, \
- }).attr.attr)
+#define SMMU_EVENT_ATTR(name, config) \
+ PMU_EVENT_ATTR_ID(name, smmu_pmu_event_show, config)

static struct attribute *smmu_pmu_events[] = {
SMMU_EVENT_ATTR(cycles, 0),
--
2.7.4