Hi Zixun,
Thank you for the patch.
On mar., juil. 23, 2024 at 15:18, Zixun LI <ad...@hifiphile.com> wrote:
> Add controller attach/detach support by using
> usb_gadget_ops.pullup() method.
>
> Signed-off-by: Zixun LI <z...@ogga.fr>
Reviewed-by: Mattijs Korpershoek <mkorpersh...@baylibre.com>
> ---
> drivers/usb/gadget/atmel_usba_udc.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/usb/gadget/atmel_usba_udc.c
> b/drivers/usb/gadget/atmel_usba_udc.c
> index ea9ad7585e..a7b96449f8 100644
> --- a/drivers/usb/gadget/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/atmel_usba_udc.c
> @@ -506,10 +506,28 @@ usba_udc_set_selfpowered(struct usb_gadget *gadget, int
> is_selfpowered)
> return 0;
> }
>
> +static int usba_udc_pullup(struct usb_gadget *gadget, int is_on)
> +{
> + struct usba_udc *udc = to_usba_udc(gadget);
> + u32 ctrl;
> +
> + ctrl = usba_readl(udc, CTRL);
> +
> + if (is_on)
> + ctrl &= ~USBA_DETACH;
> + else
> + ctrl |= USBA_DETACH;
> +
> + usba_writel(udc, CTRL, ctrl);
> +
> + return 0;
> +}
> +
> static const struct usb_gadget_ops usba_udc_ops = {
> .get_frame = usba_udc_get_frame,
> .wakeup = usba_udc_wakeup,
> .set_selfpowered = usba_udc_set_selfpowered,
> + .pullup = usba_udc_pullup,
> };
>
> static struct usb_endpoint_descriptor usba_ep0_desc = {
> --
> 2.45.2
