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
