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hwtracing: hisi_ptt: Assign parent for event_source device

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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: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240412161057.14099-31-Jonathan.Cameron@huawei.com
This commit is contained in:
Jonathan Cameron 2024-04-12 17:10:57 +01:00 committed by Suzuki K Poulose
parent 1f82d58ddb
commit 9b47d9982d
1 changed files with 1 additions and 0 deletions
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1
drivers/hwtracing/ptt/hisi_ptt.c
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@ -1221,6 +1221,7 @@ 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_NO_EXCLUDE,
.task_ctx_nr = perf_sw_context,
.attr_groups = hisi_ptt_pmu_groups,