int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
struct mt7601u_dma_buf *buf, gfp_t gfp,
usb_complete_t complete_fn, void *context)
{
struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
unsigned pipe;
int ret;
if (dir == USB_DIR_IN)
pipe = usb_rcvbulkpipe(usb_dev, dev->in_eps[ep_idx]);
else
pipe = usb_sndbulkpipe(usb_dev, dev->out_eps[ep_idx]);
usb_fill_bulk_urb(buf->urb, usb_dev, pipe, buf->buf, buf->len,
complete_fn, context);
buf->urb->transfer_dma = buf->dma;
buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
trace_mt_submit_urb(dev, buf->urb);
ret = usb_submit_urb(buf->urb, gfp);
if (ret)
dev_err(dev->dev, "Error: submit URB dir:%d ep:%d failed:%d\n",
dir, ep_idx, ret);
return ret;
}
static int mt7601u_submit_rx_buf(struct mt7601u_dev *dev,
struct mt7601u_dma_buf_rx *e, gfp_t gfp)
{
struct usb_device *usb_dev = mt7601u_to_usb_dev(dev);
u8 *buf = page_address(e->p);
unsigned pipe;
int ret;
pipe = usb_rcvbulkpipe(usb_dev, dev->in_eps[MT_EP_IN_PKT_RX]);
usb_fill_bulk_urb(e->urb, usb_dev, pipe, buf, MT_RX_URB_SIZE,
mt7601u_complete_rx, dev);
trace_mt_submit_urb(dev, e->urb);
ret = usb_submit_urb(e->urb, gfp);
if (ret)
dev_err(dev->dev, "Error: submit RX URB failed:%d\n", ret);
return ret;
}
