[PATCH 12/32] perf/thunderx2: Assign parents for event_source devices

[Jonathan Cameron]

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@xxxxxxxxx/
Cc: Robert Richter <rric@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
 drivers/perf/thunderx2_pmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/thunderx2_pmu.c b/drivers/perf/thunderx2_pmu.c
index 1edb9c03704f..e58a3523ac8d 100644
--- a/drivers/perf/thunderx2_pmu.c
+++ b/drivers/perf/thunderx2_pmu.c
@@ -729,6 +729,7 @@ static int tx2_uncore_pmu_register(
 	/* Perf event registration */
 	tx2_pmu->pmu = (struct pmu) {
 		.module         = THIS_MODULE,
+		.parent		= tx2_pmu->dev,
 		.attr_groups	= tx2_pmu->attr_groups,
 		.task_ctx_nr	= perf_invalid_context,
 		.event_init	= tx2_uncore_event_init,
-- 
2.37.2