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perf/arm-dsu: Assign parents for event_source device
author
Jonathan Cameron
<Jonathan.Cameron@huawei.com>
Fri, 12 Apr 2024 16:10:48 +0000
(17:10 +0100)
committer
Will Deacon
<will@kernel.org>
Fri, 19 Apr 2024 14:59:30 +0000
(15:59 +0100)
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/
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link:
https://lore.kernel.org/r/20240412161057.14099-22-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/arm_dsu_pmu.c
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diff --git
a/drivers/perf/arm_dsu_pmu.c
b/drivers/perf/arm_dsu_pmu.c
index adc0bbb5fafe4d6785d2f89109a16ae3844092e3..92248a24a1aabe36f4f2c7004ab8609f34eaac1f 100644
(file)
--- a/
drivers/perf/arm_dsu_pmu.c
+++ b/
drivers/perf/arm_dsu_pmu.c
@@
-742,6
+742,7
@@
static int dsu_pmu_device_probe(struct platform_device *pdev)
dsu_pmu->pmu = (struct pmu) {
.task_ctx_nr = perf_invalid_context,
+ .parent = &pdev->dev,
.module = THIS_MODULE,
.pmu_enable = dsu_pmu_enable,
.pmu_disable = dsu_pmu_disable,