struct yld_ctl_packet *ctl_data;
dma_addr_t ctl_dma;
struct usb_ctrlrequest *ctl_req;
- dma_addr_t ctl_req_dma;
struct urb *urb_ctl;
char phys[64]; /* physical device path */
usb_free_urb(yld->urb_irq);
usb_free_urb(yld->urb_ctl);
- usb_buffer_free(yld->udev, sizeof(*(yld->ctl_req)),
- yld->ctl_req, yld->ctl_req_dma);
- usb_buffer_free(yld->udev, USB_PKT_LEN,
- yld->ctl_data, yld->ctl_dma);
- usb_buffer_free(yld->udev, USB_PKT_LEN,
- yld->irq_data, yld->irq_dma);
+ kfree(yld->ctl_req);
+ usb_free_coherent(yld->udev, USB_PKT_LEN, yld->ctl_data, yld->ctl_dma);
+ usb_free_coherent(yld->udev, USB_PKT_LEN, yld->irq_data, yld->irq_dma);
kfree(yld);
return err;
return usb_cleanup(yld, -ENOMEM);
/* allocate usb buffers */
- yld->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN,
- GFP_ATOMIC, &yld->irq_dma);
+ yld->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN,
+ GFP_ATOMIC, &yld->irq_dma);
if (yld->irq_data == NULL)
return usb_cleanup(yld, -ENOMEM);
- yld->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN,
- GFP_ATOMIC, &yld->ctl_dma);
+ yld->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN,
+ GFP_ATOMIC, &yld->ctl_dma);
if (!yld->ctl_data)
return usb_cleanup(yld, -ENOMEM);
- yld->ctl_req = usb_buffer_alloc(udev, sizeof(*(yld->ctl_req)),
- GFP_ATOMIC, &yld->ctl_req_dma);
+ yld->ctl_req = kmalloc(sizeof(*(yld->ctl_req)), GFP_KERNEL);
if (yld->ctl_req == NULL)
return usb_cleanup(yld, -ENOMEM);
usb_fill_control_urb(yld->urb_ctl, udev, usb_sndctrlpipe(udev, 0),
(void *)yld->ctl_req, yld->ctl_data, USB_PKT_LEN,
urb_ctl_callback, yld);
- yld->urb_ctl->setup_dma = yld->ctl_req_dma;
yld->urb_ctl->transfer_dma = yld->ctl_dma;
- yld->urb_ctl->transfer_flags |= URB_NO_SETUP_DMA_MAP |
- URB_NO_TRANSFER_DMA_MAP;
+ yld->urb_ctl->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
yld->urb_ctl->dev = udev;
/* find out the physical bus location */