[PATCH 15/32] perf/qcom: Assign parents for event_source devices

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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 devices.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/
Cc: Andy Gross <agross@xxxxxxxxxx>
Cc: Bjorn Andersson <andersson@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
 drivers/perf/qcom_l2_pmu.c | 1 +
 drivers/perf/qcom_l3_pmu.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c
index aaca6db7d8f6..b047282cdda8 100644
--- a/drivers/perf/qcom_l2_pmu.c
+++ b/drivers/perf/qcom_l2_pmu.c
@@ -904,6 +904,7 @@ static int l2_cache_pmu_probe(struct platform_device *pdev)
 	l2cache_pmu->pmu = (struct pmu) {
 		/* suffix is instance id for future use with multiple sockets */
 		.name		= "l2cache_0",
+		.parent		= &pdev->dev,
 		.task_ctx_nr    = perf_invalid_context,
 		.pmu_enable	= l2_cache_pmu_enable,
 		.pmu_disable	= l2_cache_pmu_disable,
diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c
index 346311a05460..f693a6d9e7e1 100644
--- a/drivers/perf/qcom_l3_pmu.c
+++ b/drivers/perf/qcom_l3_pmu.c
@@ -748,6 +748,7 @@ static int qcom_l3_cache_pmu_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	l3pmu->pmu = (struct pmu) {
+		.parent		= &pdev->dev,
 		.task_ctx_nr	= perf_invalid_context,
 
 		.pmu_enable	= qcom_l3_cache__pmu_enable,
-- 
2.37.2




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