[PATCH 32/32] hwtracing: hisi_ptt: Assign parent for event_source device
Jonathan Cameron
Jonathan.Cameron at huawei.com
Tue Apr 4 06:42:25 PDT 2023
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 PCI device.
Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Cc: Yicong Yang <yangyicong at hisilicon.com>
Cc: Suzuki K Poulose <suzuki.poulose at arm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
---
drivers/hwtracing/ptt/hisi_ptt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c
index 30f1525639b5..3868d43e9e3c 100644
--- a/drivers/hwtracing/ptt/hisi_ptt.c
+++ b/drivers/hwtracing/ptt/hisi_ptt.c
@@ -871,6 +871,7 @@ static int hisi_ptt_register_pmu(struct hisi_ptt *hisi_ptt)
hisi_ptt->hisi_ptt_pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = &hisi_ptt->pdev->dev,
.capabilities = PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE,
.task_ctx_nr = perf_sw_context,
.attr_groups = hisi_ptt_pmu_groups,
--
2.37.2
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