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Subject[PATCH v2 21/30] perf/arm-dsu: 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/
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
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

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