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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Subject: [PATCH v2 30/30] hwtracing: hisi_ptt: Assign parent for event_source device
Date: Fri, 12 Apr 2024 17:10:57 +0100
Message-ID: <20240412161057.14099-31-Jonathan.Cameron@huawei.com>
In-Reply-To: <20240412161057.14099-1-Jonathan.Cameron@huawei.com>
References: <20240412161057.14099-1-Jonathan.Cameron@huawei.com>
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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>
---
 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 4bf04a977840..3090479a2979 100644
--- a/drivers/hwtracing/ptt/hisi_ptt.c
+++ b/drivers/hwtracing/ptt/hisi_ptt.c
@@ -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,
-- 
2.39.2