[PATCH 18/32] perf/alibaba_uncore: Assign parents for event_source device
Jonathan Cameron
Jonathan.Cameron at huawei.com
Tue Apr 4 06:42:11 PDT 2023
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/
Cc: Shuai Xue <xueshuai at linux.alibaba.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
---
drivers/perf/alibaba_uncore_drw_pmu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/perf/alibaba_uncore_drw_pmu.c b/drivers/perf/alibaba_uncore_drw_pmu.c
index a7689fecb49d..0d129acf3f84 100644
--- a/drivers/perf/alibaba_uncore_drw_pmu.c
+++ b/drivers/perf/alibaba_uncore_drw_pmu.c
@@ -683,6 +683,7 @@ static int ali_drw_pmu_probe(struct platform_device *pdev)
drw_pmu->pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = &pdev->dev,
.task_ctx_nr = perf_invalid_context,
.event_init = ali_drw_pmu_event_init,
.add = ali_drw_pmu_add,
--
2.37.2
More information about the linux-arm-kernel
mailing list