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Subject[PATCH v2 26/30] dmaengine: idxd: Assign parent for event_source device
Date
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@kroah.com/
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
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 fdda6d604262..fbb586eed0b3 100644
--- a/drivers/dma/idxd/perfmon.c
+++ b/drivers/dma/idxd/perfmon.c
@@ -477,6 +477,7 @@ 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;
--
2.39.2

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