Changeset d93f5afb in mainline for uspace/lib/usbdev/src/pipes.c

Timestamp:

2013-08-02T15:59:51Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

dcbda00

Parents:

3969a42

Message:

libusbdev: Cleanup unused code.

File:

• uspace/lib/usbdev/src/pipes.c (modified) (4 diffs)

uspace/lib/usbdev/src/pipes.c

@@ -38 +38 @@
 #include <assert.h>
 
-/** Prepare pipe for a long transfer.
- *
- * Long transfer is transfer consisting of several requests to the HC.
- * Calling this function is optional and it has positive effect of
- * improved performance because IPC session is initiated only once.
- *
- * @param pipe Pipe over which the transfer will happen.
- * @return Error code.
- */
-int usb_pipe_start_long_transfer(usb_pipe_t *pipe)
-{
-        assert(pipe);
-        assert(pipe->wire);
-        assert(pipe->wire->hc_connection);
-        return usb_hc_connection_open(pipe->wire->hc_connection);
-}
-
-/** Terminate a long transfer on a pipe.
- * @param pipe Pipe where to end the long transfer.
- * @return Error code.
- * @see usb_pipe_start_long_transfer
- */
-int usb_pipe_end_long_transfer(usb_pipe_t *pipe)
-{
-        assert(pipe);
-        assert(pipe->wire);
-        assert(pipe->wire->hc_connection);
-        return usb_hc_connection_close(pipe->wire->hc_connection);
-}
-
 /** Try to clear endpoint halt of default control pipe.
  *
@@ -271 +241 @@
  *
  * @param pipe Endpoint pipe to be initialized.
- * @param connection Connection to the USB device backing this pipe (the wire).
  * @param endpoint_no Endpoint number (in USB 1.1 in range 0 to 15).
  * @param transfer_type Transfer type (e.g. interrupt or bulk).
@@ -278 +247 @@
  * @return Error code.
  */
-int usb_pipe_initialize(usb_pipe_t *pipe,
-    usb_device_connection_t *connection, usb_endpoint_t endpoint_no,
+int usb_pipe_initialize(usb_pipe_t *pipe, usb_endpoint_t endpoint_no,
     usb_transfer_type_t transfer_type, size_t max_packet_size,
     usb_direction_t direction, usb_dev_session_t *bus_session)
 {
         assert(pipe);
-        assert(connection);
-
-        pipe->wire = connection;
+
         pipe->endpoint_no = endpoint_no;
         pipe->transfer_type = transfer_type;
@@ -300 +266 @@
  *
  * @param pipe Endpoint pipe to be initialized.
- * @param connection Connection to the USB device backing this pipe (the wire).
  * @return Error code.
  */
 int usb_pipe_initialize_default_control(usb_pipe_t *pipe,
-    usb_device_connection_t *connection, usb_dev_session_t *bus_session)
-{
-        assert(pipe);
-        assert(connection);
-
-        int rc = usb_pipe_initialize(pipe, connection, 0, USB_TRANSFER_CONTROL,
+    usb_dev_session_t *bus_session)
+{
+        assert(pipe);
+
+        const int rc = usb_pipe_initialize(pipe, 0, USB_TRANSFER_CONTROL,
             CTRL_PIPE_MIN_PACKET_SIZE, USB_DIRECTION_BOTH, bus_session);