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Subject[PATCH v4 5/7] drivers/perf: Simplify EVENT ATTR macro in xgene_pmu.c
Date
Use common macro PMU_EVENT_ATTR_ID to simplify XGENE_PMU_EVENT_ATTR

Cc: Khuong Dinh <khuong@os.amperecomputing.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Qi Liu <liuqi115@huawei.com>
---
drivers/perf/xgene_pmu.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 62d9425..2b6d476 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -278,17 +278,14 @@ static const struct attribute_group mc_pmu_v3_format_attr_group = {
static ssize_t xgene_pmu_event_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct dev_ext_attribute *eattr;
+ struct perf_pmu_events_attr *pmu_attr =
+ container_of(attr, struct perf_pmu_events_attr, attr);

- eattr = container_of(attr, struct dev_ext_attribute, attr);
- return sysfs_emit(buf, "config=0x%lx\n", (unsigned long) eattr->var);
+ return sysfs_emit(buf, "config=0x%llx\n", pmu_attr->id);
}

#define XGENE_PMU_EVENT_ATTR(_name, _config) \
- (&((struct dev_ext_attribute[]) { \
- { .attr = __ATTR(_name, S_IRUGO, xgene_pmu_event_show, NULL), \
- .var = (void *) _config, } \
- })[0].attr.attr)
+ PMU_EVENT_ATTR_ID(_name, xgene_pmu_event_show, _config)

static struct attribute *l3c_pmu_events_attrs[] = {
XGENE_PMU_EVENT_ATTR(cycle-count, 0x00),
--
2.7.4
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