Received-SPF: pass (google.com: domain of linux-kernel+bounces-143050-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1;
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: Mark Rutland <mark.rutland@arm.com>, Peter Zijlstra
	<peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de
 Melo <acme@kernel.org>, Will Deacon <will@kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,
	<gregkh@linuxfoundation.org>
CC: <linuxarm@huawei.com>, Shaokun Zhang <zhangshaokun@hisilicon.com>, Yicong
 Yang <yangyicong@hisilicon.com>, Jiucheng Xu <jiucheng.xu@amlogic.com>,
	Khuong Dinh <khuong@os.amperecomputing.com>, Atish Patra
	<atishp@atishpatra.org>, Anup Patel <anup@brainfault.org>, Andy Gross
	<agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Frank Li
	<Frank.li@nxp.com>, Shuai Xue <xueshuai@linux.alibaba.com>, Vineet Gupta
	<vgupta@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Fenghua Yu
	<fenghua.yu@intel.com>, Dave Jiang <dave.jiang@intel.com>, Wu Hao
	<hao.wu@intel.com>, Tom Rix <trix@redhat.com>, <linux-fpga@vger.kernel.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>, Liang Kan
	<kan.liang@linux.intel.com>
Subject: [PATCH v2 16/30] perf/arm_pmu: Assign parents for event_source devices
Date: Fri, 12 Apr 2024 17:10:43 +0100
Message-ID: <20240412161057.14099-17-Jonathan.Cameron@huawei.com>
In-Reply-To: <20240412161057.14099-1-Jonathan.Cameron@huawei.com>
References: <20240412161057.14099-1-Jonathan.Cameron@huawei.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain

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/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/perf/arm_pmu_platform.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c
index 3596db36cbff..4b1a9a92ea11 100644
--- a/drivers/perf/arm_pmu_platform.c
+++ b/drivers/perf/arm_pmu_platform.c
@@ -196,6 +196,7 @@ int arm_pmu_device_probe(struct platform_device *pdev,
 	if (!pmu)
 		return -ENOMEM;
 
+	pmu->pmu.parent = &pdev->dev;
 	pmu->plat_device = pdev;
 
 	ret = pmu_parse_irqs(pmu);
-- 
2.39.2