On 11/08/2013 07:39 PM, Felipe Balbi wrote:
> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
> index 942ef5e..cf1d027 100644
> --- a/include/linux/usb/gadget.h
> +++ b/include/linux/usb/gadget.h
> @@ -177,6 +183,13 @@ struct usb_ep {
> u8 address;
> const struct usb_endpoint_descriptor *desc;
> const struct usb_ss_ep_comp_descriptor *comp_desc;
> +
> + unsigned has_bulk:1;
> + unsigned has_control:1;
> + unsigned has_interrupt:1;
> + unsigned has_isochronous:1;
> + unsigned has_dir_in:1;
> + unsigned has_dir_out:1;
> };
I am not a big fan this bitfields but this is another story.
One thing you might want to add later (because we do one thing at a
time) is that you might want to prefer one kind of an endpoint. For
instance you want hold back "this-ep" and not give it away for INTR
because it can do double buffer and DMA and you would like to give it
away for 512bytes BULK type of endpoints.
Another restriction is that an endpoint can do INTR, BULK, ISO but has
only a 64byte sized fifo and you would like to give it away as soon as
possible.
Sebastian
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