From 6eaa8431b340577ddfba86cf92f4b52e52370db4 Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Fri, 12 Apr 2024 17:10:52 +0100
Subject: [PATCH] ARM: imx: Assign parents for mmdc event_source devices
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: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
arch/arm/mach-imx/mmdc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 25893d1091903..b68cb86dbe4cf 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -437,6 +437,7 @@ static int mmdc_pmu_init(struct mmdc_pmu *pmu_mmdc,
{
*pmu_mmdc = (struct mmdc_pmu) {
.pmu = (struct pmu) {
+ .parent = dev,
.task_ctx_nr = perf_invalid_context,
.attr_groups = attr_groups,
.event_init = mmdc_pmu_event_init,