[PATCH 28/32] dmaengine: idxd: Assign parent for event_source device

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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 iDXD PCI Device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: Dave Jiang <dave.jiang@xxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
 drivers/dma/idxd/perfmon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/idxd/perfmon.c b/drivers/dma/idxd/perfmon.c
index d73004f47cf4..4d61334a814a 100644
--- a/drivers/dma/idxd/perfmon.c
+++ b/drivers/dma/idxd/perfmon.c
@@ -478,6 +478,7 @@ static void idxd_pmu_init(struct idxd_pmu *idxd_pmu)
 	}
 
 	idxd_pmu->pmu.name		= idxd_pmu->name;
+	idxd_pmu->pmu.parent		= &idxd_pmu->idxd->pdev->dev;
 	idxd_pmu->pmu.attr_groups	= perfmon_attr_groups;
 	idxd_pmu->pmu.task_ctx_nr	= perf_invalid_context;
 	idxd_pmu->pmu.event_init	= perfmon_pmu_event_init;
-- 
2.37.2




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