[PATCH 22/32] perf/arm-dmc620: Assign parents for event_source device

From: Jonathan Cameron
Date: Tue Apr 04 2023 - 09:54:06 EST


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 platform device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
drivers/perf/arm_dmc620_pmu.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
index 54aa4658fb36..c99360cc8f6d 100644
--- a/drivers/perf/arm_dmc620_pmu.c
+++ b/drivers/perf/arm_dmc620_pmu.c
@@ -644,6 +644,7 @@ static int dmc620_pmu_device_probe(struct platform_device *pdev)

dmc620_pmu->pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = &pdev->dev,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
.task_ctx_nr = perf_invalid_context,
.event_init = dmc620_pmu_event_init,
--
2.37.2