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perf/imx_ddr: Assign parents for event_source devices

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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>
Link: https://lore.kernel.org/r/20240412161057.14099-16-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Jonathan Cameron 2024-04-12 17:10:42 +01:00 committed by Will Deacon
parent 6148865dd5
commit 1d194ab857
1 changed files with 1 additions and 0 deletions
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1
drivers/perf/fsl_imx8_ddr_perf.c
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@ -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,