[PATCH v2 25/30] ARM: imx: Assign parents for mmdc event_source devices

From: Jonathan Cameron
Date: Fri Apr 12 2024 - 12:25:54 EST


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@xxxxxxxxx/
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
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 25893d109190..b68cb86dbe4c 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,
--
2.39.2