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[10/32] perf/xgene: Assign parents for event_source devices

Message ID 20230404134225.13408-11-Jonathan.Cameron@huawei.com (mailing list archive)
State New
Headers show
Series Add parents to struct pmu -> dev | expand

Commit Message

Jonathan Cameron April 4, 2023, 1:42 p.m. UTC 
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 hardware related struct device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Cc: Khuong Dinh <khuong@os.amperecomputing.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/perf/xgene_pmu.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 0c32dffc7ede..451c01dbc1d6 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1104,6 +1104,7 @@  static int xgene_init_perf(struct xgene_pmu_dev *pmu_dev, char *name)
 
 	/* Perf driver registration */
 	pmu_dev->pmu = (struct pmu) {
+		.parent		= pmu_dev->parent->dev,
 		.attr_groups	= pmu_dev->attr_groups,
 		.task_ctx_nr	= perf_invalid_context,
 		.pmu_enable	= xgene_perf_pmu_enable,