ARM: imx: Assign parents for mmdc event_source devices

jic23 · Shawn Guo · commit 6eaa8431b340 · 2024-04-22T13:41:58.000+08:00
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>
diff --git 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,

Original file line number	Diff line number	Diff line change
`@@ -437,6 +437,7 @@ static int mmdc_pmu_init(struct mmdc_pmu *pmu_mmdc,`
`437`	`437`	`{`
`438`	`438`	`*pmu_mmdc = (struct mmdc_pmu) {`
`439`	`439`	`.pmu = (struct pmu) {`
	`440`	`+ .parent = dev,`
`440`	`441`	`.task_ctx_nr = perf_invalid_context,`
`441`	`442`	`.attr_groups = attr_groups,`
`442`	`443`	`.event_init = mmdc_pmu_event_init,`