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Subject[PATCH v2 19/30] perf/arm-ccn: Assign parents for event_source device
Date
Currently the PMU device appears directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parent to be the platform device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/perf/arm-ccn.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c
index 641471bd5eff..f4495ff6525f 100644
--- a/drivers/perf/arm-ccn.c
+++ b/drivers/perf/arm-ccn.c
@@ -1265,6 +1265,7 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn)
/* Perf driver registration */
ccn->dt.pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = ccn->dev,
.attr_groups = arm_ccn_pmu_attr_groups,
.task_ctx_nr = perf_invalid_context,
.event_init = arm_ccn_pmu_event_init,
--
2.39.2

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