diff options
Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
| -rw-r--r-- | drivers/usb/class/cdc-wdm.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 1c50baff7725..9734863a3a49 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -159,11 +159,9 @@ static void wdm_int_callback(struct urb *urb) int rv = 0; int status = urb->status; struct wdm_device *desc; - struct usb_ctrlrequest *req; struct usb_cdc_notification *dr; desc = urb->context; - req = desc->irq; dr = (struct usb_cdc_notification *)desc->sbuf; if (status) { @@ -210,24 +208,6 @@ static void wdm_int_callback(struct urb *urb) goto exit; } - req->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE); - req->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE; - req->wValue = 0; - req->wIndex = desc->inum; - req->wLength = cpu_to_le16(desc->wMaxCommand); - - usb_fill_control_urb( - desc->response, - interface_to_usbdev(desc->intf), - /* using common endpoint 0 */ - usb_rcvctrlpipe(interface_to_usbdev(desc->intf), 0), - (unsigned char *)req, - desc->inbuf, - desc->wMaxCommand, - wdm_in_callback, - desc - ); - desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; spin_lock(&desc->iuspin); clear_bit(WDM_READ, &desc->flags); set_bit(WDM_RESPONDING, &desc->flags); @@ -734,6 +714,25 @@ next_desc: ); desc->validity->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + desc->irq->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE); + desc->irq->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE; + desc->irq->wValue = 0; + desc->irq->wIndex = desc->inum; + desc->irq->wLength = cpu_to_le16(desc->wMaxCommand); + + usb_fill_control_urb( + desc->response, + interface_to_usbdev(desc->intf), + /* using common endpoint 0 */ + usb_rcvctrlpipe(interface_to_usbdev(desc->intf), 0), + (unsigned char *)desc->irq, + desc->inbuf, + desc->wMaxCommand, + wdm_in_callback, + desc + ); + desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + usb_set_intfdata(intf, desc); rv = usb_register_dev(intf, &wdm_class); if (rv < 0) |