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
