298 	struct stk1160_urb *stk_urb = urb->context;  in stk1160_isoc_irq()  local
299 	struct stk1160 *dev = stk_urb->dev;  in stk1160_isoc_irq()
315 	invalidate_kernel_vmap_range(stk_urb->transfer_buffer,  in stk1160_isoc_irq()
317 	dma_sync_sgtable_for_cpu(dma_dev, stk_urb->sgt, DMA_FROM_DEVICE);  in stk1160_isoc_irq()
327 	dma_sync_sgtable_for_device(dma_dev, stk_urb->sgt, DMA_FROM_DEVICE);  in stk1160_isoc_irq()
363 static void stk_free_urb(struct stk1160 *dev, struct stk1160_urb *stk_urb)  in stk_free_urb()  argument
367 	dma_vunmap_noncontiguous(dma_dev, stk_urb->transfer_buffer);  in stk_free_urb()
368 	dma_free_noncontiguous(dma_dev, stk_urb->urb->transfer_buffer_length,  in stk_free_urb()
369 			       stk_urb->sgt, DMA_FROM_DEVICE);  in stk_free_urb()
370 	usb_free_urb(stk_urb->urb);  in stk_free_urb()
372 	stk_urb->transfer_buffer = NULL;  in stk_free_urb()
373 	stk_urb->sgt = NULL;  in stk_free_urb()
374 	stk_urb->urb = NULL;  in stk_free_urb()
375 	stk_urb->dev = NULL;  in stk_free_urb()
376 	stk_urb->dma = 0;  in stk_free_urb()
407 static int stk1160_fill_urb(struct stk1160 *dev, struct stk1160_urb *stk_urb,  in stk1160_fill_urb()  argument
412 	stk_urb->urb = usb_alloc_urb(max_packets, GFP_KERNEL);  in stk1160_fill_urb()
413 	if (!stk_urb->urb)  in stk1160_fill_urb()
415 	stk_urb->sgt = dma_alloc_noncontiguous(dma_dev, sb_size,  in stk1160_fill_urb()
422 	if (!stk_urb->sgt)  in stk1160_fill_urb()
425 	stk_urb->transfer_buffer = dma_vmap_noncontiguous(dma_dev, sb_size,  in stk1160_fill_urb()
426 							  stk_urb->sgt);  in stk1160_fill_urb()
427 	if (!stk_urb->transfer_buffer)  in stk1160_fill_urb()
430 	stk_urb->dma = stk_urb->sgt->sgl->dma_address;  in stk1160_fill_urb()
431 	stk_urb->dev = dev;  in stk1160_fill_urb()
434 	dma_free_noncontiguous(dma_dev, sb_size, stk_urb->sgt, DMA_FROM_DEVICE);  in stk1160_fill_urb()
435 	stk_urb->sgt = NULL;  in stk1160_fill_urb()
437 	usb_free_urb(stk_urb->urb);  in stk1160_fill_urb()
438 	stk_urb->urb = NULL;  in stk1160_fill_urb()