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Message-ID: <20240412161057.14099-31-Jonathan.Cameron@huawei.com>
Date: Fri, 12 Apr 2024 17:10:57 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Mark Rutland <mark.rutland@....com>, Peter Zijlstra
<peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de
Melo <acme@...nel.org>, Will Deacon <will@...nel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<gregkh@...uxfoundation.org>
CC: <linuxarm@...wei.com>, Shaokun Zhang <zhangshaokun@...ilicon.com>, Yicong
Yang <yangyicong@...ilicon.com>, Jiucheng Xu <jiucheng.xu@...ogic.com>,
Khuong Dinh <khuong@...amperecomputing.com>, Atish Patra
<atishp@...shpatra.org>, Anup Patel <anup@...infault.org>, Andy Gross
<agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Frank Li
<Frank.li@....com>, Shuai Xue <xueshuai@...ux.alibaba.com>, Vineet Gupta
<vgupta@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Fenghua Yu
<fenghua.yu@...el.com>, Dave Jiang <dave.jiang@...el.com>, Wu Hao
<hao.wu@...el.com>, Tom Rix <trix@...hat.com>, <linux-fpga@...r.kernel.org>,
Suzuki K Poulose <suzuki.poulose@....com>, Liang Kan
<kan.liang@...ux.intel.com>
Subject: [PATCH v2 30/30] hwtracing: hisi_ptt: Assign parent for event_source device
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@....com>
Reviewed-by: Yicong Yang <yangyicong@...ilicon.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.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
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