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 appropriate platform devices. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ Cc: Atish Patra <atishp@xxxxxxxxxxxxxx> CC: Anup Patel <anup@xxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/perf/riscv_pmu_legacy.c | 1 + drivers/perf/riscv_pmu_sbi.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legacy.c index fa0bccf4edf2..04487ad7fba0 100644 --- a/drivers/perf/riscv_pmu_legacy.c +++ b/drivers/perf/riscv_pmu_legacy.c @@ -136,6 +136,7 @@ static int pmu_legacy_device_probe(struct platform_device *pdev) pmu = riscv_pmu_alloc(); if (!pmu) return -ENOMEM; + pmu->pmu.parent = &pdev->dev; pmu_legacy_init(pmu); return 0; diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c index 8cbe6e5f9c39..5c9c98fd796a 100644 --- a/drivers/perf/riscv_pmu_sbi.c +++ b/drivers/perf/riscv_pmu_sbi.c @@ -1081,6 +1081,7 @@ static int pmu_sbi_device_probe(struct platform_device *pdev) } pmu->pmu.attr_groups = riscv_pmu_attr_groups; + pmu->pmu.parent = &pdev->dev; pmu->cmask = cmask; pmu->ctr_start = pmu_sbi_ctr_start; pmu->ctr_stop = pmu_sbi_ctr_stop; -- 2.39.2
