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perf/riscv: Assign parents for event_source devices

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Currently all these devices appear directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parents to be the appropriate platform devices.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Cc: Atish Patra <atishp@atishpatra.org>
CC: Anup Patel <anup@brainfault.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240412161057.14099-13-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Jonathan Cameron 2024-04-12 17:10:39 +01:00 committed by Will Deacon
parent ecb79c21c1
commit 50650e5f31
2 changed files with 2 additions and 0 deletions
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1
drivers/perf/riscv_pmu_legacy.c
View File

@ -136,6 +136,7 @@ static int pmu_legacy_device_probe(struct platform_device *pdev)
pmu = riscv_pmu_alloc();
if (!pmu)
return -ENOMEM;
pmu->pmu.parent = &pdev->dev;
pmu_legacy_init(pmu);
return 0;

1
drivers/perf/riscv_pmu_sbi.c
View File

@ -1080,6 +1080,7 @@ static int pmu_sbi_device_probe(struct platform_device *pdev)
}
pmu->pmu.attr_groups = riscv_pmu_attr_groups;
pmu->pmu.parent = &pdev->dev;
pmu->cmask = cmask;
pmu->ctr_start = pmu_sbi_ctr_start;
pmu->ctr_stop = pmu_sbi_ctr_stop;