From patchwork Tue Apr  4 13:42:00 2023
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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: Mark Rutland <mark.rutland@arm.com>,
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Subject: [PATCH 07/32] perf/amlogic: Assign parents for event_source devices
Date: Tue, 4 Apr 2023 14:42:00 +0100
Message-ID: <20230404134225.13408-8-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/
Cc: Jiucheng Xu <jiucheng.xu@amlogic.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Jiucheng Xu <jiucheng.xu@amlogic.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 b84346dbac2c..e0d3e87457e0 100644
--- a/drivers/perf/amlogic/meson_ddr_pmu_core.c
+++ b/drivers/perf/amlogic/meson_ddr_pmu_core.c
@@ -490,6 +490,7 @@ 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,