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.opas...@samsung.com>
> ---
> Changes since v1:
> - remove redundant assignments

Thanks.

Greg,

Here is my ack. Could you please pick this up.

Acked-by: Shuah Khan <shua...@osg.samsung.com>

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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