[PATCH v2 20/30] perf/arm-dmc620: Assign parents for event_source device
Jonathan Cameron
Jonathan.Cameron at huawei.com
Fri Apr 12 09:10:47 PDT 2024
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/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
---
drivers/perf/arm_dmc620_pmu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
index 8a81be2dd5ec..2ec96e204c40 100644
--- a/drivers/perf/arm_dmc620_pmu.c
+++ b/drivers/perf/arm_dmc620_pmu.c
@@ -673,6 +673,7 @@ static int dmc620_pmu_device_probe(struct platform_device *pdev)
dmc620_pmu->pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = &pdev->dev,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
.task_ctx_nr = perf_invalid_context,
.event_init = dmc620_pmu_event_init,
--
2.39.2
More information about the linux-arm-kernel
mailing list