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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: Mark Rutland <mark.rutland@arm.com>, Peter Zijlstra
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CC: <linuxarm@huawei.com>, Shaokun Zhang <zhangshaokun@hisilicon.com>, Yicong
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	Khuong Dinh <khuong@os.amperecomputing.com>, Atish Patra
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	Suzuki K Poulose <suzuki.poulose@arm.com>, Liang Kan
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Subject: [PATCH v2 06/30] perf/amlogic: Assign parents for event_source devices
Date: Fri, 12 Apr 2024 17:10:33 +0100
Message-ID: <20240412161057.14099-7-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 all these devices appear directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parents to be the platform device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Reviewed-by: Jiucheng Xu <jiucheng.xu@amlogic.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/perf/amlogic/meson_ddr_pmu_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/amlogic/meson_ddr_pmu_core.c b/drivers/perf/amlogic/meson_ddr_pmu_core.c
index bbc7285fd934..07446d784a1a 100644
--- a/drivers/perf/amlogic/meson_ddr_pmu_core.c
+++ b/drivers/perf/amlogic/meson_ddr_pmu_core.c
@@ -492,6 +492,7 @@ int meson_ddr_pmu_create(struct platform_device *pdev)
 	*pmu = (struct ddr_pmu) {
 		.pmu = {
 			.module		= THIS_MODULE,
+			.parent		= &pdev->dev,
 			.capabilities	= PERF_PMU_CAP_NO_EXCLUDE,
 			.task_ctx_nr	= perf_invalid_context,
 			.attr_groups	= attr_groups,
-- 
2.39.2