[deliverable/linux.git] / sound / firewire / fireworks / fireworks_stream.c

/*
 * fireworks_stream.c - a part of driver for Fireworks based devices
 *
 * Copyright (c) 2013-2014 Takashi Sakamoto
 *
 * Licensed under the terms of the GNU General Public License, version 2.
 */
#include "./fireworks.h"

#define CALLBACK_TIMEOUT	100

static int
init_stream(struct snd_efw *efw, struct amdtp_stream *stream)
{
	struct cmp_connection *conn;
	enum cmp_direction c_dir;
	enum amdtp_stream_direction s_dir;
	int err;

	if (stream == &efw->tx_stream) {
		conn = &efw->out_conn;
		c_dir = CMP_OUTPUT;
		s_dir = AMDTP_IN_STREAM;
	} else {
		conn = &efw->in_conn;
		c_dir = CMP_INPUT;
		s_dir = AMDTP_OUT_STREAM;
	}

	err = cmp_connection_init(conn, efw->unit, c_dir, 0);
	if (err < 0)
		goto end;

	err = amdtp_am824_init(stream, efw->unit, s_dir, CIP_BLOCKING);
	if (err < 0) {
		amdtp_stream_destroy(stream);
		cmp_connection_destroy(conn);
	}
end:
	return err;
}

static void
stop_stream(struct snd_efw *efw, struct amdtp_stream *stream)
{
	amdtp_stream_pcm_abort(stream);
	amdtp_stream_stop(stream);

	if (stream == &efw->tx_stream)
		cmp_connection_break(&efw->out_conn);
	else
		cmp_connection_break(&efw->in_conn);
}

static int
start_stream(struct snd_efw *efw, struct amdtp_stream *stream,
	     unsigned int sampling_rate)
{
	struct cmp_connection *conn;
	unsigned int mode, pcm_channels, midi_ports;
	int err;

	err = snd_efw_get_multiplier_mode(sampling_rate, &mode);
	if (err < 0)
		goto end;
	if (stream == &efw->tx_stream) {
		conn = &efw->out_conn;
		pcm_channels = efw->pcm_capture_channels[mode];
		midi_ports = efw->midi_out_ports;
	} else {
		conn = &efw->in_conn;
		pcm_channels = efw->pcm_playback_channels[mode];
		midi_ports = efw->midi_in_ports;
	}

	err = amdtp_am824_set_parameters(stream, sampling_rate,
					 pcm_channels, midi_ports, false);
	if (err < 0)
		goto end;

	/*  establish connection via CMP */
	err = cmp_connection_establish(conn,
				amdtp_stream_get_max_payload(stream));
	if (err < 0)
		goto end;

	/* start amdtp stream */
	err = amdtp_stream_start(stream,
				 conn->resources.channel,
				 conn->speed);
	if (err < 0) {
		stop_stream(efw, stream);
		goto end;
	}

	/* wait first callback */
	if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
		stop_stream(efw, stream);
		err = -ETIMEDOUT;
	}
end:
	return err;
}

/*
 * This function should be called before starting the stream or after stopping
 * the streams.
 */
static void
destroy_stream(struct snd_efw *efw, struct amdtp_stream *stream)
{
	struct cmp_connection *conn;

	if (stream == &efw->tx_stream)
		conn = &efw->out_conn;
	else
		conn = &efw->in_conn;

	amdtp_stream_destroy(stream);
	cmp_connection_destroy(&efw->out_conn);
}

static int
get_sync_mode(struct snd_efw *efw, enum cip_flags *sync_mode)
{
	enum snd_efw_clock_source clock_source;
	int err;

	err = snd_efw_command_get_clock_source(efw, &clock_source);
	if (err < 0)
		return err;

	if (clock_source == SND_EFW_CLOCK_SOURCE_SYTMATCH)
		return -ENOSYS;

	*sync_mode = CIP_SYNC_TO_DEVICE;
	return 0;
}

static int
check_connection_used_by_others(struct snd_efw *efw, struct amdtp_stream *s)
{
	struct cmp_connection *conn;
	bool used;
	int err;

	if (s == &efw->tx_stream)
		conn = &efw->out_conn;
	else
		conn = &efw->in_conn;

	err = cmp_connection_check_used(conn, &used);
	if ((err >= 0) && used && !amdtp_stream_running(s)) {
		dev_err(&efw->unit->device,
			"Connection established by others: %cPCR[%d]\n",
			(conn->direction == CMP_OUTPUT) ? 'o' : 'i',
			conn->pcr_index);
		err = -EBUSY;
	}

	return err;
}

int snd_efw_stream_init_duplex(struct snd_efw *efw)
{
	int err;

	err = init_stream(efw, &efw->tx_stream);
	if (err < 0)
		goto end;
	/* Fireworks transmits NODATA packets with TAG0. */
	efw->tx_stream.flags |= CIP_EMPTY_WITH_TAG0;
	/* Fireworks has its own meaning for dbc. */
	efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT;
	/* Fireworks reset dbc at bus reset. */
	efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK;
	/*
	 * But Recent firmwares starts packets with non-zero dbc.
	 * Driver version 5.7.6 installs firmware version 5.7.3.
	 */
	if (efw->is_fireworks3 &&
	    (efw->firmware_version == 0x5070000 ||
	     efw->firmware_version == 0x5070300 ||
	     efw->firmware_version == 0x5080000))
		efw->tx_stream.tx_first_dbc = 0x02;
	/* AudioFire9 always reports wrong dbs. */
	if (efw->is_af9)
		efw->tx_stream.flags |= CIP_WRONG_DBS;
	/* Firmware version 5.5 reports fixed interval for dbc. */
	if (efw->firmware_version == 0x5050000)
		efw->tx_stream.tx_dbc_interval = 8;

	err = init_stream(efw, &efw->rx_stream);
	if (err < 0) {
		destroy_stream(efw, &efw->tx_stream);
		goto end;
	}

	/* set IEC61883 compliant mode (actually not fully compliant...) */
	err = snd_efw_command_set_tx_mode(efw, SND_EFW_TRANSPORT_MODE_IEC61883);
	if (err < 0) {
		destroy_stream(efw, &efw->tx_stream);
		destroy_stream(efw, &efw->rx_stream);
	}
end:
	return err;
}

int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
{
	struct amdtp_stream *master, *slave;
	unsigned int slave_substreams;
	enum cip_flags sync_mode;
	unsigned int curr_rate;
	int err = 0;

	/* Need no substreams */
	if (efw->playback_substreams == 0 && efw->capture_substreams  == 0)
		goto end;

	err = get_sync_mode(efw, &sync_mode);
	if (err < 0)
		goto end;
	if (sync_mode == CIP_SYNC_TO_DEVICE) {
		master = &efw->tx_stream;
		slave  = &efw->rx_stream;
		slave_substreams  = efw->playback_substreams;
	} else {
		master = &efw->rx_stream;
		slave  = &efw->tx_stream;
		slave_substreams = efw->capture_substreams;
	}

	/*
	 * Considering JACK/FFADO streaming:
	 * TODO: This can be removed hwdep functionality becomes popular.
	 */
	err = check_connection_used_by_others(efw, master);
	if (err < 0)
		goto end;

	/* packet queueing error */
	if (amdtp_streaming_error(slave))
		stop_stream(efw, slave);
	if (amdtp_streaming_error(master))
		stop_stream(efw, master);

	/* stop streams if rate is different */
	err = snd_efw_command_get_sampling_rate(efw, &curr_rate);
	if (err < 0)
		goto end;
	if (rate == 0)
		rate = curr_rate;
	if (rate != curr_rate) {
		stop_stream(efw, slave);
		stop_stream(efw, master);
	}

	/* master should be always running */
	if (!amdtp_stream_running(master)) {
		amdtp_stream_set_sync(sync_mode, master, slave);
		efw->master = master;

		err = snd_efw_command_set_sampling_rate(efw, rate);
		if (err < 0)
			goto end;

		err = start_stream(efw, master, rate);
		if (err < 0) {
			dev_err(&efw->unit->device,
				"fail to start AMDTP master stream:%d\n", err);
			goto end;
		}
	}

	/* start slave if needed */
	if (slave_substreams > 0 && !amdtp_stream_running(slave)) {
		err = start_stream(efw, slave, rate);
		if (err < 0) {
			dev_err(&efw->unit->device,
				"fail to start AMDTP slave stream:%d\n", err);
			stop_stream(efw, master);
		}
	}
end:
	return err;
}

void snd_efw_stream_stop_duplex(struct snd_efw *efw)
{
	struct amdtp_stream *master, *slave;
	unsigned int master_substreams, slave_substreams;

	if (efw->master == &efw->rx_stream) {
		slave  = &efw->tx_stream;
		master = &efw->rx_stream;
		slave_substreams  = efw->capture_substreams;
		master_substreams = efw->playback_substreams;
	} else {
		slave  = &efw->rx_stream;
		master = &efw->tx_stream;
		slave_substreams  = efw->playback_substreams;
		master_substreams = efw->capture_substreams;
	}

	if (slave_substreams == 0) {
		stop_stream(efw, slave);

		if (master_substreams == 0)
			stop_stream(efw, master);
	}
}

void snd_efw_stream_update_duplex(struct snd_efw *efw)
{
	if (cmp_connection_update(&efw->out_conn) < 0 ||
	    cmp_connection_update(&efw->in_conn) < 0) {
		stop_stream(efw, &efw->rx_stream);
		stop_stream(efw, &efw->tx_stream);
	} else {
		amdtp_stream_update(&efw->rx_stream);
		amdtp_stream_update(&efw->tx_stream);
	}
}

void snd_efw_stream_destroy_duplex(struct snd_efw *efw)
{
	destroy_stream(efw, &efw->rx_stream);
	destroy_stream(efw, &efw->tx_stream);
}

void snd_efw_stream_lock_changed(struct snd_efw *efw)
{
	efw->dev_lock_changed = true;
	wake_up(&efw->hwdep_wait);
}

int snd_efw_stream_lock_try(struct snd_efw *efw)
{
	int err;

	spin_lock_irq(&efw->lock);

	/* user land lock this */
	if (efw->dev_lock_count < 0) {
		err = -EBUSY;
		goto end;
	}

	/* this is the first time */
	if (efw->dev_lock_count++ == 0)
		snd_efw_stream_lock_changed(efw);
	err = 0;
end:
	spin_unlock_irq(&efw->lock);
	return err;
}

void snd_efw_stream_lock_release(struct snd_efw *efw)
{
	spin_lock_irq(&efw->lock);

	if (WARN_ON(efw->dev_lock_count <= 0))
		goto end;
	if (--efw->dev_lock_count == 0)
		snd_efw_stream_lock_changed(efw);
end:
	spin_unlock_irq(&efw->lock);
}
Commit	Line	Data
315fd41f TS	1	/*
	2	* fireworks_stream.c - a part of driver for Fireworks based devices
	3	*
	4	* Copyright (c) 2013-2014 Takashi Sakamoto
	5	*
	6	* Licensed under the terms of the GNU General Public License, version 2.
	7	*/
	8	#include "./fireworks.h"
	9
	10	#define CALLBACK_TIMEOUT 100
	11
315fd41f TS	12	static int
	13	init_stream(struct snd_efw efw, struct amdtp_stream stream)
	14	{
	15	struct cmp_connection *conn;
	16	enum cmp_direction c_dir;
	17	enum amdtp_stream_direction s_dir;
	18	int err;
	19
	20	if (stream == &efw->tx_stream) {
	21	conn = &efw->out_conn;
	22	c_dir = CMP_OUTPUT;
	23	s_dir = AMDTP_IN_STREAM;
	24	} else {
	25	conn = &efw->in_conn;
	26	c_dir = CMP_INPUT;
	27	s_dir = AMDTP_OUT_STREAM;
	28	}
	29
	30	err = cmp_connection_init(conn, efw->unit, c_dir, 0);
	31	if (err < 0)
	32	goto end;
	33
5955815e	34	err = amdtp_am824_init(stream, efw->unit, s_dir, CIP_BLOCKING);
315fd41f TS	35	if (err < 0) {
	36	amdtp_stream_destroy(stream);
	37	cmp_connection_destroy(conn);
	38	}
	39	end:
	40	return err;
	41	}
	42
	43	static void
	44	stop_stream(struct snd_efw efw, struct amdtp_stream stream)
	45	{
	46	amdtp_stream_pcm_abort(stream);
	47	amdtp_stream_stop(stream);
	48
	49	if (stream == &efw->tx_stream)
	50	cmp_connection_break(&efw->out_conn);
	51	else
	52	cmp_connection_break(&efw->in_conn);
	53	}
	54
	55	static int
	56	start_stream(struct snd_efw efw, struct amdtp_stream stream,
	57	unsigned int sampling_rate)
	58	{
	59	struct cmp_connection *conn;
	60	unsigned int mode, pcm_channels, midi_ports;
	61	int err;
	62
	63	err = snd_efw_get_multiplier_mode(sampling_rate, &mode);
	64	if (err < 0)
	65	goto end;
	66	if (stream == &efw->tx_stream) {
	67	conn = &efw->out_conn;
	68	pcm_channels = efw->pcm_capture_channels[mode];
	69	midi_ports = efw->midi_out_ports;
	70	} else {
	71	conn = &efw->in_conn;
	72	pcm_channels = efw->pcm_playback_channels[mode];
	73	midi_ports = efw->midi_in_ports;
	74	}
	75
51c29fd2 TS	76	err = amdtp_am824_set_parameters(stream, sampling_rate,
51c29fd2 TS	77	pcm_channels, midi_ports, false);
547e631c TS	78	if (err < 0)
547e631c TS	79	goto end;
315fd41f TS	80
	81	/* establish connection via CMP */
	82	err = cmp_connection_establish(conn,
	83	amdtp_stream_get_max_payload(stream));
	84	if (err < 0)
	85	goto end;
	86
	87	/* start amdtp stream */
	88	err = amdtp_stream_start(stream,
	89	conn->resources.channel,
	90	conn->speed);
	91	if (err < 0) {
	92	stop_stream(efw, stream);
	93	goto end;
	94	}
	95
	96	/* wait first callback */
	97	if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
	98	stop_stream(efw, stream);
	99	err = -ETIMEDOUT;
	100	}
	101	end:
	102	return err;
	103	}
	104
d23c2cc4 TS	105	/*
	106	* This function should be called before starting the stream or after stopping
	107	* the streams.
	108	*/
315fd41f TS	109	static void
	110	destroy_stream(struct snd_efw efw, struct amdtp_stream stream)
	111	{
d23c2cc4	112	struct cmp_connection *conn;
315fd41f TS	113
315fd41f TS	114	if (stream == &efw->tx_stream)
d23c2cc4	115	conn = &efw->out_conn;
315fd41f	116	else
d23c2cc4 TS	117	conn = &efw->in_conn;
	118
	119	amdtp_stream_destroy(stream);
	120	cmp_connection_destroy(&efw->out_conn);
315fd41f TS	121	}
	122
	123	static int
	124	get_sync_mode(struct snd_efw efw, enum cip_flags sync_mode)
	125	{
	126	enum snd_efw_clock_source clock_source;
	127	int err;
	128
	129	err = snd_efw_command_get_clock_source(efw, &clock_source);
	130	if (err < 0)
	131	return err;
	132
	133	if (clock_source == SND_EFW_CLOCK_SOURCE_SYTMATCH)
	134	return -ENOSYS;
	135
	136	*sync_mode = CIP_SYNC_TO_DEVICE;
	137	return 0;
	138	}
	139
	140	static int
	141	check_connection_used_by_others(struct snd_efw efw, struct amdtp_stream s)
	142	{
	143	struct cmp_connection *conn;
	144	bool used;
	145	int err;
	146
	147	if (s == &efw->tx_stream)
	148	conn = &efw->out_conn;
	149	else
	150	conn = &efw->in_conn;
	151
	152	err = cmp_connection_check_used(conn, &used);
	153	if ((err >= 0) && used && !amdtp_stream_running(s)) {
	154	dev_err(&efw->unit->device,
	155	"Connection established by others: %cPCR[%d]\n",
	156	(conn->direction == CMP_OUTPUT) ? 'o' : 'i',
	157	conn->pcr_index);
	158	err = -EBUSY;
	159	}
	160
	161	return err;
	162	}
	163
	164	int snd_efw_stream_init_duplex(struct snd_efw *efw)
	165	{
	166	int err;
	167
	168	err = init_stream(efw, &efw->tx_stream);
	169	if (err < 0)
	170	goto end;
7ab56645 TS	171	/* Fireworks transmits NODATA packets with TAG0. */
7ab56645 TS	172	efw->tx_stream.flags \|= CIP_EMPTY_WITH_TAG0;
c8bdf49b TS	173	/* Fireworks has its own meaning for dbc. */
c8bdf49b TS	174	efw->tx_stream.flags \|= CIP_DBC_IS_END_EVENT;
b84b1a27 TS	175	/* Fireworks reset dbc at bus reset. */
b84b1a27 TS	176	efw->tx_stream.flags \|= CIP_SKIP_DBC_ZERO_CHECK;
18f5ed36 TS	177	/*
	178	* But Recent firmwares starts packets with non-zero dbc.
	179	* Driver version 5.7.6 installs firmware version 5.7.3.
	180	*/
	181	if (efw->is_fireworks3 &&
	182	(efw->firmware_version == 0x5070000 \|\|
	183	efw->firmware_version == 0x5070300 \|\|
	184	efw->firmware_version == 0x5080000))
	185	efw->tx_stream.tx_first_dbc = 0x02;
69702239 TS	186	/* AudioFire9 always reports wrong dbs. */
	187	if (efw->is_af9)
	188	efw->tx_stream.flags \|= CIP_WRONG_DBS;
d9cd0065 TS	189	/* Firmware version 5.5 reports fixed interval for dbc. */
	190	if (efw->firmware_version == 0x5050000)
	191	efw->tx_stream.tx_dbc_interval = 8;
315fd41f TS	192
	193	err = init_stream(efw, &efw->rx_stream);
	194	if (err < 0) {
	195	destroy_stream(efw, &efw->tx_stream);
	196	goto end;
	197	}
	198
	199	/* set IEC61883 compliant mode (actually not fully compliant...) */
	200	err = snd_efw_command_set_tx_mode(efw, SND_EFW_TRANSPORT_MODE_IEC61883);
	201	if (err < 0) {
	202	destroy_stream(efw, &efw->tx_stream);
	203	destroy_stream(efw, &efw->rx_stream);
	204	}
	205	end:
	206	return err;
	207	}
	208
4a286d55	209	int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
315fd41f TS	210	{
315fd41f TS	211	struct amdtp_stream master, slave;
4d2c50a0	212	unsigned int slave_substreams;
315fd41f TS	213	enum cip_flags sync_mode;
	214	unsigned int curr_rate;
	215	int err = 0;
	216
315fd41f	217	/* Need no substreams */
4d2c50a0	218	if (efw->playback_substreams == 0 && efw->capture_substreams == 0)
315fd41f TS	219	goto end;
	220
	221	err = get_sync_mode(efw, &sync_mode);
	222	if (err < 0)
	223	goto end;
	224	if (sync_mode == CIP_SYNC_TO_DEVICE) {
	225	master = &efw->tx_stream;
	226	slave = &efw->rx_stream;
4d2c50a0	227	slave_substreams = efw->playback_substreams;
315fd41f TS	228	} else {
	229	master = &efw->rx_stream;
	230	slave = &efw->tx_stream;
4d2c50a0	231	slave_substreams = efw->capture_substreams;
315fd41f TS	232	}
	233
	234	/*
	235	* Considering JACK/FFADO streaming:
	236	* TODO: This can be removed hwdep functionality becomes popular.
	237	*/
	238	err = check_connection_used_by_others(efw, master);
	239	if (err < 0)
	240	goto end;
	241
	242	/* packet queueing error */
	243	if (amdtp_streaming_error(slave))
	244	stop_stream(efw, slave);
	245	if (amdtp_streaming_error(master))
	246	stop_stream(efw, master);
	247
	248	/* stop streams if rate is different */
	249	err = snd_efw_command_get_sampling_rate(efw, &curr_rate);
	250	if (err < 0)
	251	goto end;
	252	if (rate == 0)
	253	rate = curr_rate;
	254	if (rate != curr_rate) {
	255	stop_stream(efw, slave);
	256	stop_stream(efw, master);
	257	}
	258
	259	/* master should be always running */
	260	if (!amdtp_stream_running(master)) {
	261	amdtp_stream_set_sync(sync_mode, master, slave);
	262	efw->master = master;
	263
	264	err = snd_efw_command_set_sampling_rate(efw, rate);
	265	if (err < 0)
	266	goto end;
	267
	268	err = start_stream(efw, master, rate);
	269	if (err < 0) {
	270	dev_err(&efw->unit->device,
	271	"fail to start AMDTP master stream:%d\n", err);
	272	goto end;
	273	}
	274	}
	275
	276	/* start slave if needed */
4d2c50a0	277	if (slave_substreams > 0 && !amdtp_stream_running(slave)) {
315fd41f TS	278	err = start_stream(efw, slave, rate);
	279	if (err < 0) {
	280	dev_err(&efw->unit->device,
	281	"fail to start AMDTP slave stream:%d\n", err);
	282	stop_stream(efw, master);
	283	}
	284	}
	285	end:
315fd41f TS	286	return err;
	287	}
	288
	289	void snd_efw_stream_stop_duplex(struct snd_efw *efw)
	290	{
	291	struct amdtp_stream master, slave;
4d2c50a0	292	unsigned int master_substreams, slave_substreams;
315fd41f	293
315fd41f TS	294	if (efw->master == &efw->rx_stream) {
	295	slave = &efw->tx_stream;
	296	master = &efw->rx_stream;
4d2c50a0 TS	297	slave_substreams = efw->capture_substreams;
4d2c50a0 TS	298	master_substreams = efw->playback_substreams;
315fd41f TS	299	} else {
	300	slave = &efw->rx_stream;
	301	master = &efw->tx_stream;
4d2c50a0 TS	302	slave_substreams = efw->playback_substreams;
4d2c50a0 TS	303	master_substreams = efw->capture_substreams;
315fd41f TS	304	}
315fd41f TS	305
4d2c50a0	306	if (slave_substreams == 0) {
315fd41f TS	307	stop_stream(efw, slave);
315fd41f TS	308
4d2c50a0	309	if (master_substreams == 0)
315fd41f TS	310	stop_stream(efw, master);
315fd41f TS	311	}
315fd41f TS	312	}
	313
	314	void snd_efw_stream_update_duplex(struct snd_efw *efw)
	315	{
99d73559 TS	316	if (cmp_connection_update(&efw->out_conn) < 0 \|\|
99d73559 TS	317	cmp_connection_update(&efw->in_conn) < 0) {
315fd41f TS	318	stop_stream(efw, &efw->rx_stream);
315fd41f TS	319	stop_stream(efw, &efw->tx_stream);
315fd41f TS	320	} else {
	321	amdtp_stream_update(&efw->rx_stream);
	322	amdtp_stream_update(&efw->tx_stream);
	323	}
	324	}
	325
	326	void snd_efw_stream_destroy_duplex(struct snd_efw *efw)
	327	{
315fd41f TS	328	destroy_stream(efw, &efw->rx_stream);
315fd41f TS	329	destroy_stream(efw, &efw->tx_stream);
315fd41f	330	}
594ddced TS	331
	332	void snd_efw_stream_lock_changed(struct snd_efw *efw)
	333	{
	334	efw->dev_lock_changed = true;
	335	wake_up(&efw->hwdep_wait);
	336	}
	337
	338	int snd_efw_stream_lock_try(struct snd_efw *efw)
	339	{
	340	int err;
	341
	342	spin_lock_irq(&efw->lock);
	343
	344	/* user land lock this */
	345	if (efw->dev_lock_count < 0) {
	346	err = -EBUSY;
	347	goto end;
	348	}
	349
	350	/* this is the first time */
	351	if (efw->dev_lock_count++ == 0)
	352	snd_efw_stream_lock_changed(efw);
	353	err = 0;
	354	end:
	355	spin_unlock_irq(&efw->lock);
	356	return err;
	357	}
	358
	359	void snd_efw_stream_lock_release(struct snd_efw *efw)
	360	{
	361	spin_lock_irq(&efw->lock);
	362
	363	if (WARN_ON(efw->dev_lock_count <= 0))
	364	goto end;
	365	if (--efw->dev_lock_count == 0)
	366	snd_efw_stream_lock_changed(efw);
	367	end:
	368	spin_unlock_irq(&efw->lock);
	369	}