Re: [PATCH v2 2/2] usb: host: ehci-platform: add ignore_oc DT support
From: Alan Stern
Date: Tue Feb 23 2021 - 11:56:45 EST
On Tue, Feb 23, 2021 at 05:16:44PM +0100, Álvaro Fernández Rojas wrote:
> Over-current reporting isn't supported on some platforms such as bcm63xx.
> These devices will incorrectly report over-current if this flag isn't properly
> activated.
>
> Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
> ---
> v2: change flag name and improve documentation as suggested by Alan Stern.
>
> drivers/usb/host/ehci-platform.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
> index a48dd3fac153..2c587e31d010 100644
> --- a/drivers/usb/host/ehci-platform.c
> +++ b/drivers/usb/host/ehci-platform.c
> @@ -286,6 +286,9 @@ static int ehci_platform_probe(struct platform_device *dev)
> if (of_property_read_bool(dev->dev.of_node, "big-endian"))
> ehci->big_endian_mmio = ehci->big_endian_desc = 1;
>
> + if (of_property_read_bool(dev->dev.of_node, "spurious-oc"))
> + ehci->ignore_oc = 1;
> +
> if (of_property_read_bool(dev->dev.of_node,
> "needs-reset-on-resume"))
> priv->reset_on_resume = true;
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>