staging: octeon-usb: cvmx_usb_submit_interrupt: get params from urb

Get the transfer parameters from urb.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c
index 27f73db..14062a0 100644 (file)
--- a/drivers/staging/octeon-usb/octeon-hcd.c
+++ b/drivers/staging/octeon-usb/octeon-hcd.c
@@ -2431,34 +2431,20 @@ static int cvmx_usb_submit_bulk(struct cvmx_usb_state *usb, int pipe_handle,
  * @usb:           USB device state populated by cvmx_usb_initialize().
  * @pipe_handle:
  *                 Handle to the pipe for the transfer.
- * @buffer:        Physical address of the data buffer in
- *                 memory. Note that this is NOT A POINTER, but
- *                 the full 64bit physical address of the
- *                 buffer. This may be zero if buffer_length is
- *                 zero.
- * @buffer_length:
- *                 Length of buffer in bytes.
  * @urb:           URB returned when the callback is called.
  *
  * Returns: A submitted transaction handle or negative on
  *         failure. Negative values are error codes.
  */
 static int cvmx_usb_submit_interrupt(struct cvmx_usb_state *usb,
-                                    int pipe_handle, uint64_t buffer,
-                                    int buffer_length, struct urb *urb)
+                                    int pipe_handle, struct urb *urb)
 {
        int submit_handle;
 
-       /* Pipe handle checking is done later in a common place */
-       if (unlikely(!buffer))
-               return -EINVAL;
-       if (unlikely(buffer_length < 0))
-               return -EINVAL;
-
        submit_handle = __cvmx_usb_submit_transaction(usb, pipe_handle,
                                                      CVMX_USB_TRANSFER_INTERRUPT,
-                                                     buffer,
-                                                     buffer_length,
+                                                     urb->transfer_dma,
+                                                     urb->transfer_buffer_length,
                                                      0, /* control_header */
                                                      0, /* iso_start_frame */
                                                      0, /* iso_number_packets */
@@ -3444,10 +3430,8 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd,
        case PIPE_INTERRUPT:
                dev_dbg(dev, "Submit interrupt to %d.%d\n",
                        usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe));
-               submit_handle = cvmx_usb_submit_interrupt(&priv->usb, pipe_handle,
-                                             urb->transfer_dma,
-                                             urb->transfer_buffer_length,
-                                             urb);
+               submit_handle = cvmx_usb_submit_interrupt(&priv->usb,
+                                                         pipe_handle, urb);
                break;
        case PIPE_CONTROL:
                dev_dbg(dev, "Submit control to %d.%d\n",