diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/ci13xxx_udc.c | 48 | ||||
| -rw-r--r-- | drivers/usb/gadget/ci13xxx_udc.h | 3 |
2 files changed, 30 insertions, 21 deletions
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index b6f359ce157d..b44c83d90c0e 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -1650,8 +1650,8 @@ static int _gadget_stop_activity(struct usb_gadget *gadget) gadget_for_each_ep(ep, gadget) { usb_ep_fifo_flush(ep); } - usb_ep_fifo_flush(&udc->ep0out.ep); - usb_ep_fifo_flush(&udc->ep0in.ep); + usb_ep_fifo_flush(&udc->ep0out->ep); + usb_ep_fifo_flush(&udc->ep0in->ep); udc->driver->disconnect(gadget); @@ -1661,7 +1661,7 @@ static int _gadget_stop_activity(struct usb_gadget *gadget) } if (udc->status != NULL) { - usb_ep_free_request(&udc->ep0in.ep, udc->status); + usb_ep_free_request(&udc->ep0in->ep, udc->status); udc->status = NULL; } @@ -1701,7 +1701,7 @@ __acquires(udc->lock) if (retval) goto done; - udc->status = usb_ep_alloc_request(&udc->ep0in.ep, GFP_ATOMIC); + udc->status = usb_ep_alloc_request(&udc->ep0in->ep, GFP_ATOMIC); if (udc->status == NULL) retval = -ENOMEM; @@ -1744,7 +1744,7 @@ static int isr_get_status_response(struct ci13xxx *udc, __releases(mEp->lock) __acquires(mEp->lock) { - struct ci13xxx_ep *mEp = &udc->ep0in; + struct ci13xxx_ep *mEp = udc->ep0in; struct usb_request *req = NULL; gfp_t gfp_flags = GFP_ATOMIC; int dir, num, retval; @@ -1835,7 +1835,7 @@ __acquires(mEp->lock) trace("%p", udc); - mEp = (udc->ep0_dir == TX) ? &udc->ep0out : &udc->ep0in; + mEp = (udc->ep0_dir == TX) ? udc->ep0out : udc->ep0in; udc->status->context = udc; udc->status->complete = isr_setup_status_complete; @@ -1877,7 +1877,7 @@ __acquires(mEp->lock) spin_unlock(mEp->lock); if ((mEp->type == USB_ENDPOINT_XFER_CONTROL) && mReq->req.length) - mEpTemp = &_udc->ep0in; + mEpTemp = _udc->ep0in; mReq->req.complete(&mEpTemp->ep, &mReq->req); spin_lock(mEp->lock); } @@ -1950,8 +1950,8 @@ __acquires(udc->lock) * Flush data and handshake transactions of previous * setup packet. */ - _ep_nuke(&udc->ep0out); - _ep_nuke(&udc->ep0in); + _ep_nuke(udc->ep0out); + _ep_nuke(udc->ep0in); /* read_setup_packet */ do { @@ -2279,7 +2279,7 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req, if (mEp->type == USB_ENDPOINT_XFER_CONTROL) { if (req->length) mEp = (_udc->ep0_dir == RX) ? - &_udc->ep0out : &_udc->ep0in; + _udc->ep0out : _udc->ep0in; if (!list_empty(&mEp->qh.queue)) { _ep_nuke(mEp); retval = -EOVERFLOW; @@ -2496,7 +2496,7 @@ static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active) if (is_active) { pm_runtime_get_sync(&_gadget->dev); hw_device_reset(udc); - hw_device_state(udc->ep0out.qh.dma); + hw_device_state(udc->ep0out->qh.dma); } else { hw_device_state(0); if (udc->udc_driver->notify_event) @@ -2637,28 +2637,38 @@ static int ci13xxx_start(struct usb_gadget_driver *driver, else memset(mEp->qh.ptr, 0, sizeof(*mEp->qh.ptr)); - /* skip ep0 out and in endpoints */ - if (i == 0) + /* + * set up shorthands for ep0 out and in endpoints, + * don't add to gadget's ep_list + */ + if (i == 0) { + if (j == RX) + udc->ep0out = mEp; + else + udc->ep0in = mEp; + continue; + } list_add_tail(&mEp->ep.ep_list, &udc->gadget.ep_list); } } if (retval) goto done; + spin_unlock_irqrestore(udc->lock, flags); - udc->ep0out.ep.desc = &ctrl_endpt_out_desc; - retval = usb_ep_enable(&udc->ep0out.ep); + udc->ep0out->ep.desc = &ctrl_endpt_out_desc; + retval = usb_ep_enable(&udc->ep0out->ep); if (retval) return retval; - udc->ep0in.ep.desc = &ctrl_endpt_in_desc; - retval = usb_ep_enable(&udc->ep0in.ep); + udc->ep0in->ep.desc = &ctrl_endpt_in_desc; + retval = usb_ep_enable(&udc->ep0in->ep); if (retval) return retval; spin_lock_irqsave(udc->lock, flags); - udc->gadget.ep0 = &udc->ep0in.ep; + udc->gadget.ep0 = &udc->ep0in->ep; /* bind gadget */ driver->driver.bus = NULL; udc->gadget.dev.driver = &driver->driver; @@ -2684,7 +2694,7 @@ static int ci13xxx_start(struct usb_gadget_driver *driver, } } - retval = hw_device_state(udc->ep0out.qh.dma); + retval = hw_device_state(udc->ep0out->qh.dma); if (retval) pm_runtime_put_sync(&udc->gadget.dev); diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h index 6490cf872adb..d6dbaad9c906 100644 --- a/drivers/usb/gadget/ci13xxx_udc.h +++ b/drivers/usb/gadget/ci13xxx_udc.h @@ -125,8 +125,7 @@ struct ci13xxx { struct usb_gadget gadget; /* USB slave device */ struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX]; /* extended endpts */ u32 ep0_dir; /* ep0 direction */ -#define ep0out ci13xxx_ep[0] -#define ep0in ci13xxx_ep[hw_ep_max / 2] + struct ci13xxx_ep *ep0out, *ep0in; u8 remote_wakeup; /* Is remote wakeup feature enabled by the host? */ u8 suspended; /* suspended by the host */ |