On Wed, Jan 25, 2012 at 11:02:03AM +0100, Linus Walleij wrote:
> --- a/drivers/usb/gadget/f_ecm.c
> +++ b/drivers/usb/gadget/f_ecm.c
> @@ -97,6 +97,20 @@ static inline unsigned ecm_bitrate(struct usb_gadget *g)
>
> /* interface descriptor: */
>
> +static struct usb_interface_assoc_descriptor
> +ecm_iad_descriptor = {
> + .bLength = sizeof ecm_iad_descriptor,
> + .bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
> +
> + /* .bFirstInterface = DYNAMIC, */
> + .bInterfaceCount = 2, /* control + data */
> + .bFunctionClass = USB_CLASS_COMM,
> + .bFunctionSubClass = USB_CDC_SUBCLASS_ETHERNET,
> + .bFunctionProtocol = USB_CDC_PROTO_NONE,
> + /* .iFunction = DYNAMIC */
> +};
> +
> +
> static struct usb_interface_descriptor ecm_control_intf = {
> .bLength = sizeof ecm_control_intf,
> .bDescriptorType = USB_DT_INTERFACE,
> @@ -199,6 +213,7 @@ static struct usb_endpoint_descriptor fs_ecm_out_desc = {
>
> static struct usb_descriptor_header *ecm_fs_function[] = {
> /* CDC ECM control descriptors */
> + (struct usb_descriptor_header *) &ecm_iad_descriptor,
> (struct usb_descriptor_header *) &ecm_control_intf,
> (struct usb_descriptor_header *) &ecm_header_desc,
> (struct usb_descriptor_header *) &ecm_union_desc,
> @@ -247,6 +262,7 @@ static struct usb_endpoint_descriptor hs_ecm_out_desc = {
>
> static struct usb_descriptor_header *ecm_hs_function[] = {
> /* CDC ECM control descriptors */
> + (struct usb_descriptor_header *) &ecm_iad_descriptor,
> (struct usb_descriptor_header *) &ecm_control_intf,
> (struct usb_descriptor_header *) &ecm_header_desc,
> (struct usb_descriptor_header *) &ecm_union_desc,
Why did you add this IAD thingy to FS and HS and not SS descriptors? I don't
see a reason so I would guess you just forgot :)
Sebastian
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