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    Subject[PATCH v2 20/30] perf/arm-dmc620: Assign parents for event_source device
    Date
    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@kroah.com/
    Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
    ---
    drivers/perf/arm_dmc620_pmu.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
    index 8a81be2dd5ec..2ec96e204c40 100644
    --- a/drivers/perf/arm_dmc620_pmu.c
    +++ b/drivers/perf/arm_dmc620_pmu.c
    @@ -673,6 +673,7 @@ static int dmc620_pmu_device_probe(struct platform_device *pdev)

    dmc620_pmu->pmu = (struct pmu) {
    .module = THIS_MODULE,
    + .parent = &pdev->dev,
    .capabilities = PERF_PMU_CAP_NO_EXCLUDE,
    .task_ctx_nr = perf_invalid_context,
    .event_init = dmc620_pmu_event_init,
    --
    2.39.2

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