[PATCH 25/32] perf/arm-spe: Assign parents for event_source device

From: Jonathan Cameron
Date: Tue Apr 04 2023 - 09:55:53 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_spe_pmu.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index b9ba4c4fe5a2..a98ef633fa00 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -955,6 +955,7 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu)

spe_pmu->pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = &spe_pmu->pdev->dev,
.capabilities = PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE,
.attr_groups = arm_spe_pmu_attr_groups,
/*
--
2.37.2