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    Subject[PATCH v2 07/30] perf/arm_cspmu: Assign parents for event_source devices
    Date
    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 device.

    Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
    Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
    Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
    ---
    drivers/perf/arm_cspmu/arm_cspmu.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c
    index b9a252272f1e..601d7d0d81d4 100644
    --- a/drivers/perf/arm_cspmu/arm_cspmu.c
    +++ b/drivers/perf/arm_cspmu/arm_cspmu.c
    @@ -1206,6 +1206,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu)
    cspmu->pmu = (struct pmu){
    .task_ctx_nr = perf_invalid_context,
    .module = cspmu->impl.module,
    + .parent = cspmu->dev,
    .pmu_enable = arm_cspmu_enable,
    .pmu_disable = arm_cspmu_disable,
    .event_init = arm_cspmu_event_init,
    --
    2.39.2

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