[PATCH 2/2] usb: gadget: dwc2: Set endpoint capabilities via .caps field

[Ilias Apalodimas]

On Fri, 3 Jul 2026 at 16:29, Mattijs Korpershoek
<mkorpershoek at kernel.org> wrote:
>
> Endpoint capabilities can be described via the .caps field of
> struct usb_ep since commit
> 77dcbdf3c1ce ("usb: gadget: Add match_ep() op to usb_gadget_ops")
>
> In linux, the following commit introduces it:
> b86f33a3a371 ("usb: gadget: epautoconf: add endpoint capabilities flags verification")
>
> Linux's change also reworks the ep matching function by relying on
> these new capabilities instead of guessing based on the endpoint name.
>
> Prepare the dwc2 UDC driver for capability-based matching by adding the
> required capabilities for each endpoint.
>
> Signed-off-by: Mattijs Korpershoek <mkorpershoek at kernel.org>
> ---

Acked-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

>  drivers/usb/gadget/dwc2_udc_otg.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>
> diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c
> index 9c85383fd62a..570fed347c9e 100644
> --- a/drivers/usb/gadget/dwc2_udc_otg.c
> +++ b/drivers/usb/gadget/dwc2_udc_otg.c
> @@ -828,6 +828,11 @@ static struct dwc2_udc memory = {
>                 .ep = {
>                         .name = ep0name,
>                         .ops = &dwc2_ep_ops,
> +                       .caps = {
> +                               .type_control = 1,
> +                               .dir_in = 1,
> +                               .dir_out = 1,
> +                       },
>                 },
>                 .dev = &memory,
>
> @@ -842,6 +847,10 @@ static struct dwc2_udc memory = {
>                 .ep = {
>                         .name = "ep1in-bulk",
>                         .ops = &dwc2_ep_ops,
> +                       .caps = {
> +                               .type_bulk = 1,
> +                               .dir_in = 1,
> +                       },
>                 },
>                 .dev = &memory,
>
> @@ -856,6 +865,10 @@ static struct dwc2_udc memory = {
>                 .ep = {
>                         .name = "ep2out-bulk",
>                         .ops = &dwc2_ep_ops,
> +                       .caps = {
> +                               .type_bulk = 1,
> +                               .dir_out = 1,
> +                       },
>                 },
>                 .dev = &memory,
>
> @@ -870,6 +883,10 @@ static struct dwc2_udc memory = {
>                 .ep = {
>                         .name = "ep3in-int",
>                         .ops = &dwc2_ep_ops,
> +                       .caps = {
> +                               .type_int = 1,
> +                               .dir_in = 1,
> +                       },
>                 },
>                 .dev = &memory,
>
>
> --
> 2.54.0
>