Re: status_ep in ether.c

On Wednesday 19 September 2007, Lorenzo T. Flores wrote:
> Hi guys, sorry if this is kind of a noob question, but exactly what ep 
> should the status_ep autoconfig to?
> 
> for example, heres the memory struct from lh7a40x_udc:
> 
> static struct lh7a40x_udc memory = {
>     .usb_address = 0,
> 
>     .gadget = {
>            .ops = &lh7a40x_udc_ops,
>            .ep0 = &memory.ep[0].ep,
>            .name = driver_name,
>            .dev = {
>                .bus_id = "gadget",
>                .release = nop_release,
>                },
>            },
> 
>     /* control endpoint */
>     .ep[0] = {
>           .ep = {
>              .name = ep0name,
>              .ops = &lh7a40x_ep_ops,
>              .maxpacket = EP0_PACKETSIZE,
>              },
>           .dev = &memory,
> 
>           .bEndpointAddress = 0,
>           .bmAttributes = 0,
> 
>           .ep_type = ep_control,
>           .fifo = io_p2v(USB_EP0_FIFO),
>           .csr1 = USB_EP0_CSR,
>           .csr2 = USB_EP0_CSR,
>           },
> 
>     /* first group of endpoints */
>     .ep[1] = {
>           .ep = {
>              .name = "ep1in-bulk",
>              .ops = &lh7a40x_ep_ops,
>              .maxpacket = 64,
>              },
>           .dev = &memory,
> 
>           .bEndpointAddress = USB_DIR_IN | 1,
>           .bmAttributes = USB_ENDPOINT_XFER_BULK,
> 
>           .ep_type = ep_bulk_in,
>           .fifo = io_p2v(USB_EP1_FIFO),
>           .csr1 = USB_IN_CSR1,
>           .csr2 = USB_IN_CSR2,
>           },
> 
>     .ep[2] = {
>           .ep = {
>              .name = "ep2out-bulk",
>              .ops = &lh7a40x_ep_ops,
>              .maxpacket = 64,
>              },
>           .dev = &memory,
> 
>           .bEndpointAddress = 2,
>           .bmAttributes = USB_ENDPOINT_XFER_BULK,
> 
>           .ep_type = ep_bulk_out,
>           .fifo = io_p2v(USB_EP2_FIFO),
>           .csr1 = USB_OUT_CSR1,
>           .csr2 = USB_OUT_CSR2,
>           },
> 
>     .ep[3] = {
>           .ep = {
>              .name = "ep3in-int",
>              .ops = &lh7a40x_ep_ops,
>              .maxpacket = 64,
>              },
>           .dev = &memory,
> 
>           .bEndpointAddress = USB_DIR_IN | 3,
>           .bmAttributes = USB_ENDPOINT_XFER_INT,
> 
>           .ep_type = ep_interrupt,
>           .fifo = io_p2v(USB_EP3_FIFO),
>           .csr1 = USB_IN_CSR1,
>           .csr2 = USB_IN_CSR2,
>           },
> };
> 
> Should status_ep autoconfig to ep0?

Certainly not.  "ep3-int" should do it.  The only use
for ep0 is to receive control messages.


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