Lines Matching refs:urb

148 	struct urb *urbs[MAX_ISO_BUFS];
379 static void msi2500_isoc_handler(struct urb *urb) in msi2500_isoc_handler() argument
381 struct msi2500_dev *dev = (struct msi2500_dev *)urb->context; in msi2500_isoc_handler()
386 if (unlikely(urb->status == -ENOENT || in msi2500_isoc_handler()
387 urb->status == -ECONNRESET || in msi2500_isoc_handler()
388 urb->status == -ESHUTDOWN)) { in msi2500_isoc_handler()
390 urb, urb->status == -ENOENT ? "" : "a"); in msi2500_isoc_handler()
394 if (unlikely(urb->status != 0)) { in msi2500_isoc_handler()
395 dev_dbg(dev->dev, "called with status %d\n", urb->status); in msi2500_isoc_handler()
406 for (i = 0; i < urb->number_of_packets; i++) { in msi2500_isoc_handler()
410 fstatus = urb->iso_frame_desc[i].status; in msi2500_isoc_handler()
414 i, urb->number_of_packets, fstatus); in msi2500_isoc_handler()
419 flen = urb->iso_frame_desc[i].actual_length; in msi2500_isoc_handler()
423 iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset; in msi2500_isoc_handler()
443 i = usb_submit_urb(urb, GFP_ATOMIC); in msi2500_isoc_handler()
497 struct urb *urb; in msi2500_isoc_init() local
510 urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL); in msi2500_isoc_init()
511 if (urb == NULL) { in msi2500_isoc_init()
516 dev->urbs[i] = urb; in msi2500_isoc_init()
517 dev_dbg(dev->dev, "Allocated URB at 0x%p\n", urb); in msi2500_isoc_init()
519 urb->interval = 1; in msi2500_isoc_init()
520 urb->dev = dev->udev; in msi2500_isoc_init()
521 urb->pipe = usb_rcvisocpipe(dev->udev, 0x81); in msi2500_isoc_init()
522 urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; in msi2500_isoc_init()
523 urb->transfer_buffer = usb_alloc_coherent(dev->udev, in msi2500_isoc_init()
525 GFP_KERNEL, &urb->transfer_dma); in msi2500_isoc_init()
526 if (urb->transfer_buffer == NULL) { in msi2500_isoc_init()
532 urb->transfer_buffer_length = ISO_BUFFER_SIZE; in msi2500_isoc_init()
533 urb->complete = msi2500_isoc_handler; in msi2500_isoc_init()
534 urb->context = dev; in msi2500_isoc_init()
535 urb->start_frame = 0; in msi2500_isoc_init()
536 urb->number_of_packets = ISO_FRAMES_PER_DESC; in msi2500_isoc_init()
538 urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE; in msi2500_isoc_init()
539 urb->iso_frame_desc[j].length = ISO_MAX_FRAME_SIZE; in msi2500_isoc_init()