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authorAaro Koskinen <aaro.koskinen@iki.fi>2013-10-06 19:22:33 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-07 05:02:21 (GMT)
commite16b5e3f14365c29f84e2fa5ab4780e58a6736f1 (patch)
tree3b900484e2d0b6609af97984b86bbbf991cb3151 /drivers/staging/octeon-usb
parent9fdbb6964b80eb1bb385a8ef3cbbbff0d1c91193 (diff)
staging: octeon-usb: cvmx_usb_submit_control: 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>
Diffstat (limited to 'drivers/staging/octeon-usb')
-rw-r--r--drivers/staging/octeon-usb/octeon-hcd.c56
1 files changed, 10 insertions, 46 deletions
diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c
index 14062a0..0a448ae 100644
--- a/drivers/staging/octeon-usb/octeon-hcd.c
+++ b/drivers/staging/octeon-usb/octeon-hcd.c
@@ -2497,57 +2497,25 @@ static int cvmx_usb_submit_control(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.
- * @start_frame:
- * Number of frames into the future to schedule
- * this transaction.
- * @number_packets:
- * Number of sequential packets to transfer.
- * "packets" is a pointer to an array of this
- * many packet structures.
- * @packets: Description of each transfer packet as
- * defined by struct cvmx_usb_iso_packet. The array
- * pointed to here must stay valid until the
- * complete callback is called.
- * @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_isochronous(struct cvmx_usb_state *usb,
- int pipe_handle, int start_frame,
- int number_packets, struct
- cvmx_usb_iso_packet packets[],
- uint64_t buffer, int buffer_length,
- struct urb *urb)
+ int pipe_handle, struct urb *urb)
{
int submit_handle;
+ struct cvmx_usb_iso_packet *packets;
- /* Pipe handle checking is done later in a common place */
- if (unlikely(start_frame < 0))
- return -EINVAL;
- if (unlikely(number_packets < 1))
- return -EINVAL;
- if (unlikely(!packets))
- return -EINVAL;
- if (unlikely(!buffer))
- return -EINVAL;
- if (unlikely(buffer_length < 0))
- return -EINVAL;
-
+ packets = (struct cvmx_usb_iso_packet *) urb->setup_packet;
submit_handle = __cvmx_usb_submit_transaction(usb, pipe_handle,
CVMX_USB_TRANSFER_ISOCHRONOUS,
- buffer,
- buffer_length,
+ urb->transfer_dma,
+ urb->transfer_buffer_length,
0, /* control_header */
- start_frame,
- number_packets,
+ urb->start_frame,
+ urb->number_of_packets,
packets,
urb);
return submit_handle;
@@ -3410,13 +3378,9 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd,
* this saves us a bunch of logic.
*/
urb->setup_packet = (char *)iso_packet;
- submit_handle = cvmx_usb_submit_isochronous(&priv->usb, pipe_handle,
- urb->start_frame,
- urb->number_of_packets,
- iso_packet,
- urb->transfer_dma,
- urb->transfer_buffer_length,
- urb);
+ submit_handle = cvmx_usb_submit_isochronous(&priv->usb,
+ pipe_handle,
+ urb);
/*
* If submit failed we need to free our private packet
* list.

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