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 platform devices. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ Cc: Andy Gross <agross@xxxxxxxxxx> Cc: Bjorn Andersson <andersson@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/perf/qcom_l2_pmu.c | 1 + drivers/perf/qcom_l3_pmu.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c index aaca6db7d8f6..b047282cdda8 100644 --- a/drivers/perf/qcom_l2_pmu.c +++ b/drivers/perf/qcom_l2_pmu.c @@ -904,6 +904,7 @@ static int l2_cache_pmu_probe(struct platform_device *pdev) l2cache_pmu->pmu = (struct pmu) { /* suffix is instance id for future use with multiple sockets */ .name = "l2cache_0", + .parent = &pdev->dev, .task_ctx_nr = perf_invalid_context, .pmu_enable = l2_cache_pmu_enable, .pmu_disable = l2_cache_pmu_disable, diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c index 346311a05460..f693a6d9e7e1 100644 --- a/drivers/perf/qcom_l3_pmu.c +++ b/drivers/perf/qcom_l3_pmu.c @@ -748,6 +748,7 @@ static int qcom_l3_cache_pmu_probe(struct platform_device *pdev) return -ENOMEM; l3pmu->pmu = (struct pmu) { + .parent = &pdev->dev, .task_ctx_nr = perf_invalid_context, .pmu_enable = qcom_l3_cache__pmu_enable, -- 2.37.2
