[PATCH 29/32] fpga: dfl: Assign parent for event_source device
Xu Yilun
yilun.xu at intel.com
Thu Apr 6 23:42:51 PDT 2023
On 2023-04-04 at 14:42:22 +0100, Jonathan Cameron wrote:
> 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/
> Cc: Wu Hao <hao.wu at intel.com>
> Cc: Tom Rix <trix at redhat.com>
> Cc: linux-fpga at vger.kernel.org
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
Reviewed-by: Xu Yilun <yilun.xu at intel.com>
> ---
> 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;
> --
> 2.37.2
>
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