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drivers/perf: Simplify EVENT ATTR macro in fsl_imx8_ddr_perf.c

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Use common macro PMU_EVENT_ATTR_ID to simplify IMX8_DDR_PMU_EVENT_ATTR

Reviewed by Frank Li <Frank .li@nxp.com>

Cc: Frank Li <Frank.li@nxp.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Qi Liu <liuqi115@huawei.com>
Link: https://lore.kernel.org/r/1623220863-58233-7-git-send-email-liuqi115@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Qi Liu 2021-06-09 14:41:02 +08:00 committed by Will Deacon
parent b323dfe02e
commit 773510f4d2
1 changed files with 2 additions and 5 deletions
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7
drivers/perf/fsl_imx8_ddr_perf.c
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@ -222,11 +222,8 @@ ddr_pmu_event_show(struct device *dev, struct device_attribute *attr,
return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id);
}
#define IMX8_DDR_PMU_EVENT_ATTR(_name, _id) \
(&((struct perf_pmu_events_attr[]) { \
{ .attr = __ATTR(_name, 0444, ddr_pmu_event_show, NULL),\
.id = _id, } \
})[0].attr.attr)
#define IMX8_DDR_PMU_EVENT_ATTR(_name, _id) \
PMU_EVENT_ATTR_ID(_name, ddr_pmu_event_show, _id)
static struct attribute *ddr_perf_events_attrs[] = {
IMX8_DDR_PMU_EVENT_ATTR(cycles, EVENT_CYCLES_ID),