[PATCH] usb/fsl_udc: fix dequeuing a request in progress

[Peter Chen]

>>It seems to can't get the correct qh pointer, you may still need to use
>>below code to get it
>>       int i = ep_index(ep) * 2 + ep_is_in(ep);
>>       struct ep_queue_head *dQH = &ep->udc->ep_qh[i];
>
> Thanks for trying.    It will be much easier if we can dereference QH from the ep structure.  It is really strange that the ep->qh pointer is not working somehow.
>

Seems only ep0-out's qh pointer is assigned at ep structure.
At probe:
/* setup udc->eps[] for ep0 */
struct_ep_setup(udc_controller, 0, "ep0", 0);


> We have initialized it in struct_ep_setup():
>        ep->qh = &udc->ep_qh[index];
>
> Can you do me a favor on investigating why it's failing?
>
> Thanks,
> Leo
>
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-- 
BR,
Peter Chen