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/ Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/perf/arm_dsu_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c index bae3ca37f846..ce98bf169574 100644 --- a/drivers/perf/arm_dsu_pmu.c +++ b/drivers/perf/arm_dsu_pmu.c @@ -751,6 +751,7 @@ static int dsu_pmu_device_probe(struct platform_device *pdev) dsu_pmu->pmu = (struct pmu) { .task_ctx_nr = perf_invalid_context, + .parent = &pdev->dev, .module = THIS_MODULE, .pmu_enable = dsu_pmu_enable, .pmu_disable = dsu_pmu_disable, -- 2.39.2
