Re: [PATCH 23/32] perf/arm-dsu: Assign parents for event_source device
From: Suzuki K Poulose
Date: Tue Apr 04 2023 - 10:52:34 EST
On 04/04/2023 14:42, Jonathan Cameron wrote:
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@xxxxxxxxx/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
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 fe2abb412c00..de75c00cb456 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,
Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>