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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Subject: [PATCH v2 07/30] perf/arm_cspmu: Assign parents for event_source devices
Date: Fri, 12 Apr 2024 17:10:34 +0100
Message-ID: <20240412161057.14099-8-Jonathan.Cameron@huawei.com>
In-Reply-To: <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: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/perf/arm_cspmu/arm_cspmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c
index b9a252272f1e..601d7d0d81d4 100644
--- a/drivers/perf/arm_cspmu/arm_cspmu.c
+++ b/drivers/perf/arm_cspmu/arm_cspmu.c
@@ -1206,6 +1206,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu)
 	cspmu->pmu = (struct pmu){
 		.task_ctx_nr	= perf_invalid_context,
 		.module		= cspmu->impl.module,
+		.parent		= cspmu->dev,
 		.pmu_enable	= arm_cspmu_enable,
 		.pmu_disable	= arm_cspmu_disable,
 		.event_init	= arm_cspmu_event_init,
-- 
2.39.2