Re: [PATCH v2 30/30] hwtracing: hisi_ptt: Assign parent for event_source device
From: Suzuki K Poulose
Date: Tue Apr 16 2024 - 05:38:17 EST
On 12/04/2024 17:10, 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 PCI device.
Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/
Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
Reviewed-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
drivers/hwtracing/ptt/hisi_ptt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c
index 4bf04a977840..3090479a2979 100644
--- a/drivers/hwtracing/ptt/hisi_ptt.c
+++ b/drivers/hwtracing/ptt/hisi_ptt.c
@@ -1221,6 +1221,7 @@ static int hisi_ptt_register_pmu(struct hisi_ptt *hisi_ptt)
hisi_ptt->hisi_ptt_pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = &hisi_ptt->pdev->dev,
.capabilities = PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_NO_EXCLUDE,
.task_ctx_nr = perf_sw_context,
.attr_groups = hisi_ptt_pmu_groups,
Acked-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>