Re: [PATCH 08/32] perf/arm_cspmu: Assign parents for event_source devices
From: Suzuki K Poulose
Date: Tue Apr 04 2023 - 10:51:03 EST
On 04/04/2023 14:42, Jonathan Cameron wrote:
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@xxxxxxxxx/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
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 e31302ab7e37..4390e4fb1e95 100644
--- a/drivers/perf/arm_cspmu/arm_cspmu.c
+++ b/drivers/perf/arm_cspmu/arm_cspmu.c
@@ -1155,6 +1155,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu)
cspmu->pmu = (struct pmu){
.task_ctx_nr = perf_invalid_context,
.module = THIS_MODULE,
+ .parent = cspmu->dev,
.pmu_enable = arm_cspmu_enable,
.pmu_disable = arm_cspmu_disable,
.event_init = arm_cspmu_event_init,
Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>