1 files changed, 0 insertions, 141 deletions

diff --git a/sound/firewire/lib.c b/sound/firewire/lib.c
index 7683238283b6..39dfa74906ef 100644
--- a/sound/firewire/lib.c
+++ b/sound/firewire/lib.c
@@ -99,147 +99,6 @@ void snd_fw_schedule_registration(struct fw_unit *unit,
 }
 EXPORT_SYMBOL(snd_fw_schedule_registration);
 
-static void async_midi_port_callback(struct fw_card *card, int rcode,
-				     void *data, size_t length,
-				     void *callback_data)
-{
-	struct snd_fw_async_midi_port *port = callback_data;
-	struct snd_rawmidi_substream *substream = ACCESS_ONCE(port->substream);
-
-	/* This port is closed. */
-	if (substream == NULL)
-		return;
-
-	if (rcode == RCODE_COMPLETE)
-		snd_rawmidi_transmit_ack(substream, port->consume_bytes);
-	else if (!rcode_is_permanent_error(rcode))
-		/* To start next transaction immediately for recovery. */
-		port->next_ktime = 0;
-	else
-		/* Don't continue processing. */
-		port->error = true;
-
-	port->idling = true;
-
-	if (!snd_rawmidi_transmit_empty(substream))
-		schedule_work(&port->work);
-}
-
-static void midi_port_work(struct work_struct *work)
-{
-	struct snd_fw_async_midi_port *port =
-			container_of(work, struct snd_fw_async_midi_port, work);
-	struct snd_rawmidi_substream *substream = ACCESS_ONCE(port->substream);
-	int generation;
-	int type;
-
-	/* Under transacting or error state. */
-	if (!port->idling || port->error)
-		return;
-
-	/* Nothing to do. */
-	if (substream == NULL || snd_rawmidi_transmit_empty(substream))
-		return;
-
-	/* Do it in next chance. */
-	if (ktime_after(port->next_ktime, ktime_get())) {
-		schedule_work(&port->work);
-		return;
-	}
-
-	/*
-	 * Fill the buffer. The callee must use snd_rawmidi_transmit_peek().
-	 * Later, snd_rawmidi_transmit_ack() is called.
-	 */
-	memset(port->buf, 0, port->len);
-	port->consume_bytes = port->fill(substream, port->buf);
-	if (port->consume_bytes <= 0) {
-		/* Do it in next chance, immediately. */
-		if (port->consume_bytes == 0) {
-			port->next_ktime = 0;
-			schedule_work(&port->work);
-		} else {
-			/* Fatal error. */
-			port->error = true;
-		}
-		return;
-	}
-
-	/* Calculate type of transaction. */
-	if (port->len == 4)
-		type = TCODE_WRITE_QUADLET_REQUEST;
-	else
-		type = TCODE_WRITE_BLOCK_REQUEST;
-
-	/* Set interval to next transaction. */
-	port->next_ktime = ktime_add_ns(ktime_get(),
-				port->consume_bytes * 8 * NSEC_PER_SEC / 31250);
-
-	/* Start this transaction. */
-	port->idling = false;
-
-	/*
-	 * In Linux FireWire core, when generation is updated with memory
-	 * barrier, node id has already been updated. In this module, After
-	 * this smp_rmb(), load/store instructions to memory are completed.
-	 * Thus, both of generation and node id are available with recent
-	 * values. This is a light-serialization solution to handle bus reset
-	 * events on IEEE 1394 bus.
-	 */
-	generation = port->parent->generation;
-	smp_rmb();
-
-	fw_send_request(port->parent->card, &port->transaction, type,
-			port->parent->node_id, generation,
-			port->parent->max_speed, port->addr,
-			port->buf, port->len, async_midi_port_callback,
-			port);
-}
-
-/**
- * snd_fw_async_midi_port_init - initialize asynchronous MIDI port structure
- * @port: the asynchronous MIDI port to initialize
- * @unit: the target of the asynchronous transaction
- * @addr: the address to which transactions are transferred
- * @len: the length of transaction
- * @fill: the callback function to fill given buffer, and returns the
- *	       number of consumed bytes for MIDI message.
- *
- */
-int snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port,
-		struct fw_unit *unit, u64 addr, unsigned int len,
-		snd_fw_async_midi_port_fill fill)
-{
-	port->len = DIV_ROUND_UP(len, 4) * 4;
-	port->buf = kzalloc(port->len, GFP_KERNEL);
-	if (port->buf == NULL)
-		return -ENOMEM;
-
-	port->parent = fw_parent_device(unit);
-	port->addr = addr;
-	port->fill = fill;
-	port->idling = true;
-	port->next_ktime = 0;
-	port->error = false;
-
-	INIT_WORK(&port->work, midi_port_work);
-
-	return 0;
-}
-EXPORT_SYMBOL(snd_fw_async_midi_port_init);
-
-/**
- * snd_fw_async_midi_port_destroy - free asynchronous MIDI port structure
- * @port: the asynchronous MIDI port structure
- */
-void snd_fw_async_midi_port_destroy(struct snd_fw_async_midi_port *port)
-{
-	snd_fw_async_midi_port_finish(port);
-	cancel_work_sync(&port->work);
-	kfree(port->buf);
-}
-EXPORT_SYMBOL(snd_fw_async_midi_port_destroy);
-
 MODULE_DESCRIPTION("FireWire audio helper functions");
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
 MODULE_LICENSE("GPL v2");