From 1919bd8e0be0bdd0382ee672a40e75bf19c0068c Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Fri, 12 Apr 2024 17:10:44 +0100
Subject: [PATCH] perf/alibaba_uncore: Assign parents for event_source device
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: Shuai Xue <xueshuai@linux.alibaba.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240412161057.14099-18-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
---
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 d4d14b65c4a53..89dd38343f93c 100644
--- a/drivers/perf/alibaba_uncore_drw_pmu.c
+++ b/drivers/perf/alibaba_uncore_drw_pmu.c
@@ -709,6 +709,7 @@ 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,
--
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