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Subject[PATCH v2 15/30] perf/imx_ddr: Assign parents for event_source devices
Date
Currently all this device appear 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: Frank Li <Frank.li@nxp.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/perf/fsl_imx8_ddr_perf.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c
index 4e8fa5a48fcf..1bbdb29743c4 100644
--- a/drivers/perf/fsl_imx8_ddr_perf.c
+++ b/drivers/perf/fsl_imx8_ddr_perf.c
@@ -651,6 +651,7 @@ static int ddr_perf_init(struct ddr_pmu *pmu, void __iomem *base,
*pmu = (struct ddr_pmu) {
.pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = dev,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
.task_ctx_nr = perf_invalid_context,
.attr_groups = attr_groups,
--
2.39.2

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