Index: uspace/lib/usbhost/src/iface.c
===================================================================
--- uspace/lib/usbhost/src/iface.c	(revision 4cbb6e411c52cf2091d3a3d974dc8fe793d35ac1)
+++ uspace/lib/usbhost/src/iface.c	(revision 1e647c7d81a68e2c939af34197e0de24a4c7014b)
@@ -221,122 +221,4 @@
 }
 /*----------------------------------------------------------------------------*/
-/** Interrupt out transaction interface function
- *
- * @param[in] fun DDF function that was called.
- * @param[in] target USB device to write to.
- * @param[in] data Source of data.
- * @param[in] size Size of data source.
- * @param[in] callback Function to call on transaction completion
- * @param[in] arg Additional for callback function.
- * @return Error code.
- */
-static int interrupt_out(
-    ddf_fun_t *fun, usb_target_t target, void *data,
-    size_t size, usbhc_iface_transfer_out_callback_t callback, void *arg)
-{
-	return send_batch(fun, target, USB_DIRECTION_OUT, data, size,
-	    0, NULL, callback, arg, "Interrupt OUT");
-}
-/*----------------------------------------------------------------------------*/
-/** Interrupt in transaction interface function
- *
- * @param[in] fun DDF function that was called.
- * @param[in] target USB device to write to.
- * @param[out] data Data destination.
- * @param[in] size Size of data source.
- * @param[in] callback Function to call on transaction completion
- * @param[in] arg Additional for callback function.
- * @return Error code.
- */
-static int interrupt_in(
-    ddf_fun_t *fun, usb_target_t target, void *data,
-    size_t size, usbhc_iface_transfer_in_callback_t callback, void *arg)
-{
-	return send_batch(fun, target, USB_DIRECTION_IN, data, size,
-	    0, callback, NULL, arg, "Interrupt IN");
-}
-/*----------------------------------------------------------------------------*/
-/** Bulk out transaction interface function
- *
- * @param[in] fun DDF function that was called.
- * @param[in] target USB device to write to.
- * @param[in] data Source of data.
- * @param[in] size Size of data source.
- * @param[in] callback Function to call on transaction completion
- * @param[in] arg Additional for callback function.
- * @return Error code.
- */
-static int bulk_out(
-    ddf_fun_t *fun, usb_target_t target, void *data,
-    size_t size, usbhc_iface_transfer_out_callback_t callback, void *arg)
-{
-	return send_batch(fun, target, USB_DIRECTION_OUT, data, size,
-	    0, NULL, callback, arg, "Bulk OUT");
-}
-/*----------------------------------------------------------------------------*/
-/** Bulk in transaction interface function
- *
- * @param[in] fun DDF function that was called.
- * @param[in] target USB device to write to.
- * @param[out] data Data destination.
- * @param[in] size Size of data source.
- * @param[in] callback Function to call on transaction completion
- * @param[in] arg Additional for callback function.
- * @return Error code.
- */
-static int bulk_in(
-    ddf_fun_t *fun, usb_target_t target, void *data,
-    size_t size, usbhc_iface_transfer_in_callback_t callback, void *arg)
-{
-	return send_batch(fun, target, USB_DIRECTION_IN, data, size,
-	    0, callback, NULL, arg, "Bulk IN");
-}
-/*----------------------------------------------------------------------------*/
-/** Control write transaction interface function
- *
- * @param[in] fun DDF function that was called.
- * @param[in] target USB device to write to.
- * @param[in] setup_data Data to send with SETUP transfer.
- * @param[in] setup_size Size of data to send with SETUP transfer (always 8B).
- * @param[in] data Source of data.
- * @param[in] size Size of data source.
- * @param[in] callback Function to call on transaction completion.
- * @param[in] arg Additional for callback function.
- * @return Error code.
- */
-static int control_write(
-    ddf_fun_t *fun, usb_target_t target,
-    void *setup_data, size_t setup_size, void *data, size_t size,
-    usbhc_iface_transfer_out_callback_t callback, void *arg)
-{
-	uint64_t setup_buffer;
-	memcpy(&setup_buffer, setup_data, 8);
-	return send_batch(fun, target, USB_DIRECTION_BOTH, data, size,
-	    setup_buffer, NULL, callback, arg, "Control WRITE");
-}
-/*----------------------------------------------------------------------------*/
-/** Control read transaction interface function
- *
- * @param[in] fun DDF function that was called.
- * @param[in] target USB device to write to.
- * @param[in] setup_data Data to send with SETUP packet.
- * @param[in] setup_size Size of data to send with SETUP packet (should be 8B).
- * @param[out] data Source of data.
- * @param[in] size Size of data source.
- * @param[in] callback Function to call on transaction completion.
- * @param[in] arg Additional for callback function.
- * @return Error code.
- */
-static int control_read(
-    ddf_fun_t *fun, usb_target_t target,
-    void *setup_data, size_t setup_size, void *data, size_t size,
-    usbhc_iface_transfer_in_callback_t callback, void *arg)
-{
-	uint64_t setup_buffer;
-	memcpy(&setup_buffer, setup_data, 8);
-	return send_batch(fun, target, USB_DIRECTION_BOTH, data, size,
-	    setup_buffer, callback, NULL, arg, "Control READ");
-}
-/*----------------------------------------------------------------------------*/
 static int usb_read(ddf_fun_t *fun, usb_target_t target, uint64_t setup_data,
     uint8_t *data, size_t size, usbhc_iface_transfer_in_callback_t callback,
@@ -364,13 +246,4 @@
 	.unregister_endpoint = unregister_endpoint,
 
-	.interrupt_out = interrupt_out,
-	.interrupt_in = interrupt_in,
-
-	.bulk_out = bulk_out,
-	.bulk_in = bulk_in,
-
-	.control_write = control_write,
-	.control_read = control_read,
-
 	.read = usb_read,
 	.write = usb_write,