[PATCH v2 27/30] fpga: dfl: Assign parent for event_source device

From: Jonathan Cameron
Date: Fri Apr 12 2024 - 12:26:30 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: linux-fpga@xxxxxxxxxxxxxxx
Reviewed-by: Xu Yilun <yilun.xu@xxxxxxxxx>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
drivers/fpga/dfl-fme-perf.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c
index 7422d2bc6f37..2d59f1c620b1 100644
--- a/drivers/fpga/dfl-fme-perf.c
+++ b/drivers/fpga/dfl-fme-perf.c
@@ -912,6 +912,7 @@ static int fme_perf_pmu_register(struct platform_device *pdev,

fme_perf_setup_hardware(priv);

+ pmu->parent = &pdev->dev;
pmu->task_ctx_nr = perf_invalid_context;
pmu->attr_groups = fme_perf_groups;
pmu->attr_update = fme_perf_events_groups;
--
2.39.2