Re: [PATCH v36 04/31] usb: host: xhci-plat: Set XHCI max interrupters if property is present

[Puma Hsu]

On Wed, Mar 19, 2025 at 8:54 AM Wesley Cheng <quic_wcheng@xxxxxxxxxxx> wrote:
>
> Some platforms may want to limit the number of XHCI interrupters allocated.
> This is passed to xhci-plat as a device property.  Ensure that this is read
> and the max_interrupters field is set.
>
> Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>

Tested-by: Puma Hsu <pumahsu@xxxxxxxxxx>

> ---
>  drivers/usb/host/xhci-plat.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 3155e3a842da..6dab142e7278 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -267,6 +267,8 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
>
>                 device_property_read_u32(tmpdev, "imod-interval-ns",
>                                          &xhci->imod_interval);
> +               device_property_read_u16(tmpdev, "num-hc-interrupters",
> +                                        &xhci->max_interrupters);
>         }
>
>         /*
>