On 12/02/2016 10:42 AM, Krzysztof Opasiak wrote:
> Current implementation of init_vudc_hw() adds ep0 to ep_list
> and then after looping through all endpoints removes it from
> that list.
>
> As this may be misleading let's refactor this function
> and avoid adding and removing ep0 to eplist and place it
> immediately in correct place.
>
> In addition let's remove redundant 0 assignments as ep
> array is zeroed during allocation.
>
> Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
> ---
> Changes since v1:
> - remove redundant assignments
Thanks.
Greg,
Here is my ack. Could you please pick this up.
Acked-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
thanks,
-- Shuah
> ---
> drivers/usb/usbip/vudc_dev.c | 35 ++++++++++++++++++-----------------
> 1 file changed, 18 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/usb/usbip/vudc_dev.c b/drivers/usb/usbip/vudc_dev.c
> index 7091848df6c8..70b3540ece2a 100644
> --- a/drivers/usb/usbip/vudc_dev.c
> +++ b/drivers/usb/usbip/vudc_dev.c
> @@ -549,30 +549,34 @@ static int init_vudc_hw(struct vudc *udc)
> sprintf(ep->name, "ep%d%s", num,
> i ? (is_out ? "out" : "in") : "");
> ep->ep.name = ep->name;
> +
> + ep->ep.ops = &vep_ops;
> +
> + usb_ep_set_maxpacket_limit(&ep->ep, ~0);
> + ep->ep.max_streams = 16;
> + ep->gadget = &udc->gadget;
> + INIT_LIST_HEAD(&ep->req_queue);
> +
> if (i == 0) {
> + /* ep0 */
> ep->ep.caps.type_control = true;
> ep->ep.caps.dir_out = true;
> ep->ep.caps.dir_in = true;
> +
> + udc->gadget.ep0 = &ep->ep;
> } else {
> + /* All other eps */
> ep->ep.caps.type_iso = true;
> ep->ep.caps.type_int = true;
> ep->ep.caps.type_bulk = true;
> - }
>
> - if (is_out)
> - ep->ep.caps.dir_out = true;
> - else
> - ep->ep.caps.dir_in = true;
> + if (is_out)
> + ep->ep.caps.dir_out = true;
> + else
> + ep->ep.caps.dir_in = true;
>
> - ep->ep.ops = &vep_ops;
> - list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
> - ep->halted = ep->wedged = ep->already_seen =
> - ep->setup_stage = 0;
> - usb_ep_set_maxpacket_limit(&ep->ep, ~0);
> - ep->ep.max_streams = 16;
> - ep->gadget = &udc->gadget;
> - ep->desc = NULL;
> - INIT_LIST_HEAD(&ep->req_queue);
> + list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
> + }
> }
>
> spin_lock_init(&udc->lock);
> @@ -589,9 +593,6 @@ static int init_vudc_hw(struct vudc *udc)
> ud->eh_ops.reset = vudc_device_reset;
> ud->eh_ops.unusable = vudc_device_unusable;
>
> - udc->gadget.ep0 = &udc->ep[0].ep;
> - list_del_init(&udc->ep[0].ep.ep_list);
> -
> v_init_timer(udc);
> return 0;
>
>
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