[mirror_ubuntu-artful-kernel.git] / drivers / net / wan / cycx_main.c

/*
* cycx_main.c	Cyclades Cyclom 2X WAN Link Driver. Main module.
*
* Author:	Arnaldo Carvalho de Melo <acme@conectiva.com.br>
*
* Copyright:	(c) 1998-2003 Arnaldo Carvalho de Melo
*
* Based on sdlamain.c by Gene Kozin <genek@compuserve.com> &
*			 Jaspreet Singh	<jaspreet@sangoma.com>
*
*		This program is free software; you can redistribute it and/or
*		modify it under the terms of the GNU General Public License
*		as published by the Free Software Foundation; either version
*		2 of the License, or (at your option) any later version.
* ============================================================================
* Please look at the bitkeeper changelog (or any other scm tool that ends up
* importing bitkeeper changelog or that replaces bitkeeper in the future as
* main tool for linux development).
* 
* 2001/05/09	acme		Fix MODULE_DESC for debug, .bss nitpicks,
* 				some cleanups
* 2000/07/13	acme		remove useless #ifdef MODULE and crap
*				#if KERNEL_VERSION > blah
* 2000/07/06	acme		__exit at cyclomx_cleanup
* 2000/04/02	acme		dprintk and cycx_debug
* 				module_init/module_exit
* 2000/01/21	acme		rename cyclomx_open to cyclomx_mod_inc_use_count
*				and cyclomx_close to cyclomx_mod_dec_use_count
* 2000/01/08	acme		cleanup
* 1999/11/06	acme		cycx_down back to life (it needs to be
*				called to iounmap the dpmbase)
* 1999/08/09	acme		removed references to enable_tx_int
*				use spinlocks instead of cli/sti in
*				cyclomx_set_state
* 1999/05/19	acme		works directly linked into the kernel
*				init_waitqueue_head for 2.3.* kernel
* 1999/05/18	acme		major cleanup (polling not needed), etc
* 1998/08/28	acme		minor cleanup (ioctls for firmware deleted)
*				queue_task activated
* 1998/08/08	acme		Initial version.
*/

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/stddef.h>	/* offsetof(), etc. */
#include <linux/errno.h>	/* return codes */
#include <linux/string.h>	/* inline memset(), etc. */
#include <linux/slab.h>		/* kmalloc(), kfree() */
#include <linux/kernel.h>	/* printk(), and other useful stuff */
#include <linux/module.h>	/* support for loadable modules */
#include <linux/ioport.h>	/* request_region(), release_region() */
#include <linux/wanrouter.h>	/* WAN router definitions */
#include <linux/cyclomx.h>	/* cyclomx common user API definitions */
#include <linux/init.h>         /* __init (when not using as a module) */
#include <linux/interrupt.h>

unsigned int cycx_debug;

MODULE_AUTHOR("Arnaldo Carvalho de Melo");
MODULE_DESCRIPTION("Cyclom 2X Sync Card Driver.");
MODULE_LICENSE("GPL");
module_param(cycx_debug, int, 0);
MODULE_PARM_DESC(cycx_debug, "cyclomx debug level");

/* Defines & Macros */

#define	CYCX_DRV_VERSION	0	/* version number */
#define	CYCX_DRV_RELEASE	11	/* release (minor version) number */
#define	CYCX_MAX_CARDS		1	/* max number of adapters */

#define	CONFIG_CYCX_CARDS 1

/* Function Prototypes */

/* WAN link driver entry points */
static int cycx_wan_setup(struct wan_device *wandev, wandev_conf_t *conf);
static int cycx_wan_shutdown(struct wan_device *wandev);

/* Miscellaneous functions */
static irqreturn_t cycx_isr(int irq, void *dev_id);

/* Global Data
 * Note: All data must be explicitly initialized!!!
 */

/* private data */
static const char cycx_drvname[] = "cyclomx";
static const char cycx_fullname[] = "CYCLOM 2X(tm) Sync Card Driver";
static const char cycx_copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
			  "<acme@conectiva.com.br>";
static int cycx_ncards = CONFIG_CYCX_CARDS;
static struct cycx_device *cycx_card_array;	/* adapter data space */

/* Kernel Loadable Module Entry Points */

/*
 * Module 'insert' entry point.
 * o print announcement
 * o allocate adapter data space
 * o initialize static data
 * o register all cards with WAN router
 * o calibrate Cyclom 2X shared memory access delay.
 *
 * Return:	0	Ok
 *		< 0	error.
 * Context:	process
 */
static int __init cycx_init(void)
{
	int cnt, err = -ENOMEM;

	pr_info("%s v%u.%u %s\n",
		cycx_fullname, CYCX_DRV_VERSION, CYCX_DRV_RELEASE,
		cycx_copyright);

	/* Verify number of cards and allocate adapter data space */
	cycx_ncards = min_t(int, cycx_ncards, CYCX_MAX_CARDS);
	cycx_ncards = max_t(int, cycx_ncards, 1);
	cycx_card_array = kcalloc(cycx_ncards, sizeof(struct cycx_device), GFP_KERNEL);
	if (!cycx_card_array)
		goto out;


	/* Register adapters with WAN router */
	for (cnt = 0; cnt < cycx_ncards; ++cnt) {
		struct cycx_device *card = &cycx_card_array[cnt];
		struct wan_device *wandev = &card->wandev;

		sprintf(card->devname, "%s%d", cycx_drvname, cnt + 1);
		wandev->magic    = ROUTER_MAGIC;
		wandev->name     = card->devname;
		wandev->private  = card;
		wandev->setup    = cycx_wan_setup;
		wandev->shutdown = cycx_wan_shutdown;
		err = register_wan_device(wandev);

		if (err) {
			pr_err("%s registration failed with error %d!\n",
			       card->devname, err);
			break;
		}
	}

	err = -ENODEV;
	if (!cnt) {
		kfree(cycx_card_array);
		goto out;
	}
	err = 0;
	cycx_ncards = cnt;	/* adjust actual number of cards */
out:	return err;
}

/*
 * Module 'remove' entry point.
 * o unregister all adapters from the WAN router
 * o release all remaining system resources
 */
static void __exit cycx_exit(void)
{
	int i = 0;

	for (; i < cycx_ncards; ++i) {
		struct cycx_device *card = &cycx_card_array[i];
		unregister_wan_device(card->devname);
	}

	kfree(cycx_card_array);
}

/* WAN Device Driver Entry Points */
/*
 * Setup/configure WAN link driver.
 * o check adapter state
 * o make sure firmware is present in configuration
 * o allocate interrupt vector
 * o setup Cyclom 2X hardware
 * o call appropriate routine to perform protocol-specific initialization
 *
 * This function is called when router handles ROUTER_SETUP IOCTL. The
 * configuration structure is in kernel memory (including extended data, if
 * any).
 */
static int cycx_wan_setup(struct wan_device *wandev, wandev_conf_t *conf)
{
	int rc = -EFAULT;
	struct cycx_device *card;
	int irq;

	/* Sanity checks */

	if (!wandev || !wandev->private || !conf)
		goto out;

	card = wandev->private;
	rc = -EBUSY;
	if (wandev->state != WAN_UNCONFIGURED)
		goto out;

	rc = -EINVAL;
	if (!conf->data_size || !conf->data) {
		pr_err("%s: firmware not found in configuration data!\n",
		       wandev->name);
		goto out;
	}

	if (conf->irq <= 0) {
		pr_err("%s: can't configure without IRQ!\n", wandev->name);
		goto out;
	}

	/* Allocate IRQ */
	irq = conf->irq == 2 ? 9 : conf->irq;	/* IRQ2 -> IRQ9 */

	if (request_irq(irq, cycx_isr, 0, wandev->name, card)) {
		pr_err("%s: can't reserve IRQ %d!\n", wandev->name, irq);
		goto out;
	}

	/* Configure hardware, load firmware, etc. */
	memset(&card->hw, 0, sizeof(card->hw));
	card->hw.irq	 = irq;
	card->hw.dpmsize = CYCX_WINDOWSIZE;
	card->hw.fwid	 = CFID_X25_2X;
	spin_lock_init(&card->lock);
	init_waitqueue_head(&card->wait_stats);

	rc = cycx_setup(&card->hw, conf->data, conf->data_size, conf->maddr);
	if (rc)
		goto out_irq;

	/* Initialize WAN device data space */
	wandev->irq       = irq;
	wandev->dma       = wandev->ioport = 0;
	wandev->maddr     = (unsigned long)card->hw.dpmbase;
	wandev->msize     = card->hw.dpmsize;
	wandev->hw_opt[2] = 0;
	wandev->hw_opt[3] = card->hw.fwid;

	/* Protocol-specific initialization */
	switch (card->hw.fwid) {
#ifdef CONFIG_CYCLOMX_X25
	case CFID_X25_2X:
		rc = cycx_x25_wan_init(card, conf);
		break;
#endif
	default:
		pr_err("%s: this firmware is not supported!\n", wandev->name);
		rc = -EINVAL;
	}

	if (rc) {
		cycx_down(&card->hw);
		goto out_irq;
	}

	rc = 0;
out:
	return rc;
out_irq:
	free_irq(irq, card);
	goto out;
}

/*
 * Shut down WAN link driver.
 * o shut down adapter hardware
 * o release system resources.
 *
 * This function is called by the router when device is being unregistered or
 * when it handles ROUTER_DOWN IOCTL.
 */
static int cycx_wan_shutdown(struct wan_device *wandev)
{
	int ret = -EFAULT;
	struct cycx_device *card;

	/* sanity checks */
	if (!wandev || !wandev->private)
		goto out;

	ret = 0;
	if (wandev->state == WAN_UNCONFIGURED)
		goto out;

	card = wandev->private;
	wandev->state = WAN_UNCONFIGURED;
	cycx_down(&card->hw);
	pr_info("%s: irq %d being freed!\n", wandev->name, wandev->irq);
	free_irq(wandev->irq, card);
out:	return ret;
}

/* Miscellaneous */
/*
 * Cyclom 2X Interrupt Service Routine.
 * o acknowledge Cyclom 2X hardware interrupt.
 * o call protocol-specific interrupt service routine, if any.
 */
static irqreturn_t cycx_isr(int irq, void *dev_id)
{
	struct cycx_device *card = dev_id;

	if (card->wandev.state == WAN_UNCONFIGURED)
		goto out;

	if (card->in_isr) {
		pr_warn("%s: interrupt re-entrancy on IRQ %d!\n",
			card->devname, card->wandev.irq);
		goto out;
	}

	if (card->isr)
		card->isr(card);
	return IRQ_HANDLED;
out:
	return IRQ_NONE;
}

/* Set WAN device state.  */
void cycx_set_state(struct cycx_device *card, int state)
{
	unsigned long flags;
	char *string_state = NULL;

	spin_lock_irqsave(&card->lock, flags);

	if (card->wandev.state != state) {
		switch (state) {
		case WAN_CONNECTED:
			string_state = "connected!";
			break;
		case WAN_DISCONNECTED:
			string_state = "disconnected!";
			break;
		}
		pr_info("%s: link %s\n", card->devname, string_state);
		card->wandev.state = state;
	}

	card->state_tick = jiffies;
	spin_unlock_irqrestore(&card->lock, flags);
}

module_init(cycx_init);
module_exit(cycx_exit);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* cycx_main.c Cyclades Cyclom 2X WAN Link Driver. Main module.
	3	*
	4	* Author: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
	5	*
	6	* Copyright: (c) 1998-2003 Arnaldo Carvalho de Melo
	7	*
	8	* Based on sdlamain.c by Gene Kozin <genek@compuserve.com> &
	9	* Jaspreet Singh <jaspreet@sangoma.com>
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License
	13	* as published by the Free Software Foundation; either version
	14	* 2 of the License, or (at your option) any later version.
	15	* ============================================================================
	16	* Please look at the bitkeeper changelog (or any other scm tool that ends up
	17	* importing bitkeeper changelog or that replaces bitkeeper in the future as
	18	* main tool for linux development).
	19	*
	20	* 2001/05/09 acme Fix MODULE_DESC for debug, .bss nitpicks,
	21	* some cleanups
	22	* 2000/07/13 acme remove useless #ifdef MODULE and crap
	23	* #if KERNEL_VERSION > blah
	24	* 2000/07/06 acme __exit at cyclomx_cleanup
	25	* 2000/04/02 acme dprintk and cycx_debug
	26	* module_init/module_exit
	27	* 2000/01/21 acme rename cyclomx_open to cyclomx_mod_inc_use_count
	28	* and cyclomx_close to cyclomx_mod_dec_use_count
	29	* 2000/01/08 acme cleanup
	30	* 1999/11/06 acme cycx_down back to life (it needs to be
	31	* called to iounmap the dpmbase)
	32	* 1999/08/09 acme removed references to enable_tx_int
	33	* use spinlocks instead of cli/sti in
	34	* cyclomx_set_state
	35	* 1999/05/19 acme works directly linked into the kernel
	36	* init_waitqueue_head for 2.3.* kernel
	37	* 1999/05/18 acme major cleanup (polling not needed), etc
	38	* 1998/08/28 acme minor cleanup (ioctls for firmware deleted)
	39	* queue_task activated
	40	* 1998/08/08 acme Initial version.
	41	*/
	42
d6810e13 JP	43	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
d6810e13 JP	44
1da177e4 LT	45	#include <linux/stddef.h> /* offsetof(), etc. */
	46	#include <linux/errno.h> /* return codes */
	47	#include <linux/string.h> /* inline memset(), etc. */
	48	#include <linux/slab.h> /* kmalloc(), kfree() */
	49	#include <linux/kernel.h> /* printk(), and other useful stuff */
	50	#include <linux/module.h> /* support for loadable modules */
	51	#include <linux/ioport.h> /* request_region(), release_region() */
	52	#include <linux/wanrouter.h> /* WAN router definitions */
	53	#include <linux/cyclomx.h> /* cyclomx common user API definitions */
	54	#include <linux/init.h> /* __init (when not using as a module) */
a6b7a407	55	#include <linux/interrupt.h>
1da177e4 LT	56
	57	unsigned int cycx_debug;
	58
	59	MODULE_AUTHOR("Arnaldo Carvalho de Melo");
	60	MODULE_DESCRIPTION("Cyclom 2X Sync Card Driver.");
	61	MODULE_LICENSE("GPL");
	62	module_param(cycx_debug, int, 0);
	63	MODULE_PARM_DESC(cycx_debug, "cyclomx debug level");
	64
	65	/* Defines & Macros */
	66
	67	#define CYCX_DRV_VERSION 0 /* version number */
	68	#define CYCX_DRV_RELEASE 11 /* release (minor version) number */
	69	#define CYCX_MAX_CARDS 1 /* max number of adapters */
	70
	71	#define CONFIG_CYCX_CARDS 1
	72
	73	/* Function Prototypes */
	74
	75	/* WAN link driver entry points */
	76	static int cycx_wan_setup(struct wan_device wandev, wandev_conf_t conf);
	77	static int cycx_wan_shutdown(struct wan_device *wandev);
	78
	79	/* Miscellaneous functions */
7d12e780	80	static irqreturn_t cycx_isr(int irq, void *dev_id);
1da177e4 LT	81
	82	/* Global Data
	83	* Note: All data must be explicitly initialized!!!
	84	*/
	85
	86	/* private data */
dcfc5d78	87	static const char cycx_drvname[] = "cyclomx";
	88	static const char cycx_fullname[] = "CYCLOM 2X(tm) Sync Card Driver";
	89	static const char cycx_copyright[] = "(c) 1998-2003 Arnaldo Carvalho de Melo "
1da177e4 LT	90	"<acme@conectiva.com.br>";
	91	static int cycx_ncards = CONFIG_CYCX_CARDS;
	92	static struct cycx_device cycx_card_array; / adapter data space */
	93
	94	/* Kernel Loadable Module Entry Points */
	95
	96	/*
	97	* Module 'insert' entry point.
	98	* o print announcement
	99	* o allocate adapter data space
	100	* o initialize static data
	101	* o register all cards with WAN router
	102	* o calibrate Cyclom 2X shared memory access delay.
	103	*
	104	* Return: 0 Ok
	105	* < 0 error.
	106	* Context: process
	107	*/
7665a089	108	static int __init cycx_init(void)
1da177e4 LT	109	{
	110	int cnt, err = -ENOMEM;
	111
d6810e13	112	pr_info("%s v%u.%u %s\n",
1da177e4 LT	113	cycx_fullname, CYCX_DRV_VERSION, CYCX_DRV_RELEASE,
	114	cycx_copyright);
	115
	116	/* Verify number of cards and allocate adapter data space */
	117	cycx_ncards = min_t(int, cycx_ncards, CYCX_MAX_CARDS);
	118	cycx_ncards = max_t(int, cycx_ncards, 1);
dd00cc48	119	cycx_card_array = kcalloc(cycx_ncards, sizeof(struct cycx_device), GFP_KERNEL);
1da177e4 LT	120	if (!cycx_card_array)
	121	goto out;
	122
1da177e4 LT	123
	124	/* Register adapters with WAN router */
	125	for (cnt = 0; cnt < cycx_ncards; ++cnt) {
	126	struct cycx_device *card = &cycx_card_array[cnt];
	127	struct wan_device *wandev = &card->wandev;
	128
	129	sprintf(card->devname, "%s%d", cycx_drvname, cnt + 1);
	130	wandev->magic = ROUTER_MAGIC;
	131	wandev->name = card->devname;
	132	wandev->private = card;
	133	wandev->setup = cycx_wan_setup;
	134	wandev->shutdown = cycx_wan_shutdown;
	135	err = register_wan_device(wandev);
	136
	137	if (err) {
d6810e13 JP	138	pr_err("%s registration failed with error %d!\n",
d6810e13 JP	139	card->devname, err);
1da177e4 LT	140	break;
	141	}
	142	}
	143
	144	err = -ENODEV;
	145	if (!cnt) {
	146	kfree(cycx_card_array);
	147	goto out;
	148	}
	149	err = 0;
	150	cycx_ncards = cnt; /* adjust actual number of cards */
	151	out: return err;
	152	}
	153
	154	/*
	155	* Module 'remove' entry point.
	156	* o unregister all adapters from the WAN router
	157	* o release all remaining system resources
	158	*/
	159	static void __exit cycx_exit(void)
	160	{
	161	int i = 0;
	162
	163	for (; i < cycx_ncards; ++i) {
	164	struct cycx_device *card = &cycx_card_array[i];
	165	unregister_wan_device(card->devname);
	166	}
	167
	168	kfree(cycx_card_array);
	169	}
	170
	171	/* WAN Device Driver Entry Points */
	172	/*
	173	* Setup/configure WAN link driver.
	174	* o check adapter state
	175	* o make sure firmware is present in configuration
	176	* o allocate interrupt vector
	177	* o setup Cyclom 2X hardware
	178	* o call appropriate routine to perform protocol-specific initialization
	179	*
	180	* This function is called when router handles ROUTER_SETUP IOCTL. The
	181	* configuration structure is in kernel memory (including extended data, if
	182	* any).
	183	*/
	184	static int cycx_wan_setup(struct wan_device wandev, wandev_conf_t conf)
	185	{
	186	int rc = -EFAULT;
	187	struct cycx_device *card;
	188	int irq;
	189
	190	/* Sanity checks */
	191
	192	if (!wandev \|\| !wandev->private \|\| !conf)
	193	goto out;
	194
	195	card = wandev->private;
	196	rc = -EBUSY;
	197	if (wandev->state != WAN_UNCONFIGURED)
	198	goto out;
	199
	200	rc = -EINVAL;
	201	if (!conf->data_size \|\| !conf->data) {
d6810e13 JP	202	pr_err("%s: firmware not found in configuration data!\n",
d6810e13 JP	203	wandev->name);
1da177e4 LT	204	goto out;
	205	}
	206
	207	if (conf->irq <= 0) {
d6810e13	208	pr_err("%s: can't configure without IRQ!\n", wandev->name);
1da177e4 LT	209	goto out;
	210	}
	211
	212	/* Allocate IRQ */
	213	irq = conf->irq == 2 ? 9 : conf->irq; /* IRQ2 -> IRQ9 */
	214
	215	if (request_irq(irq, cycx_isr, 0, wandev->name, card)) {
d6810e13	216	pr_err("%s: can't reserve IRQ %d!\n", wandev->name, irq);
1da177e4 LT	217	goto out;
	218	}
	219
	220	/* Configure hardware, load firmware, etc. */
	221	memset(&card->hw, 0, sizeof(card->hw));
	222	card->hw.irq = irq;
	223	card->hw.dpmsize = CYCX_WINDOWSIZE;
	224	card->hw.fwid = CFID_X25_2X;
	225	spin_lock_init(&card->lock);
	226	init_waitqueue_head(&card->wait_stats);
	227
	228	rc = cycx_setup(&card->hw, conf->data, conf->data_size, conf->maddr);
	229	if (rc)
	230	goto out_irq;
	231
	232	/* Initialize WAN device data space */
	233	wandev->irq = irq;
	234	wandev->dma = wandev->ioport = 0;
	235	wandev->maddr = (unsigned long)card->hw.dpmbase;
	236	wandev->msize = card->hw.dpmsize;
	237	wandev->hw_opt[2] = 0;
	238	wandev->hw_opt[3] = card->hw.fwid;
	239
	240	/* Protocol-specific initialization */
	241	switch (card->hw.fwid) {
	242	#ifdef CONFIG_CYCLOMX_X25
	243	case CFID_X25_2X:
	244	rc = cycx_x25_wan_init(card, conf);
	245	break;
	246	#endif
	247	default:
d6810e13	248	pr_err("%s: this firmware is not supported!\n", wandev->name);
1da177e4 LT	249	rc = -EINVAL;
	250	}
	251
	252	if (rc) {
	253	cycx_down(&card->hw);
	254	goto out_irq;
	255	}
	256
	257	rc = 0;
	258	out:
	259	return rc;
	260	out_irq:
	261	free_irq(irq, card);
	262	goto out;
	263	}
	264
	265	/*
	266	* Shut down WAN link driver.
	267	* o shut down adapter hardware
	268	* o release system resources.
	269	*
	270	* This function is called by the router when device is being unregistered or
	271	* when it handles ROUTER_DOWN IOCTL.
	272	*/
	273	static int cycx_wan_shutdown(struct wan_device *wandev)
	274	{
	275	int ret = -EFAULT;
	276	struct cycx_device *card;
	277
	278	/* sanity checks */
	279	if (!wandev \|\| !wandev->private)
	280	goto out;
	281
	282	ret = 0;
	283	if (wandev->state == WAN_UNCONFIGURED)
	284	goto out;
	285
	286	card = wandev->private;
	287	wandev->state = WAN_UNCONFIGURED;
	288	cycx_down(&card->hw);
d6810e13	289	pr_info("%s: irq %d being freed!\n", wandev->name, wandev->irq);
1da177e4 LT	290	free_irq(wandev->irq, card);
	291	out: return ret;
	292	}
	293
	294	/* Miscellaneous */
	295	/*
	296	* Cyclom 2X Interrupt Service Routine.
	297	* o acknowledge Cyclom 2X hardware interrupt.
	298	* o call protocol-specific interrupt service routine, if any.
	299	*/
7d12e780	300	static irqreturn_t cycx_isr(int irq, void *dev_id)
1da177e4	301	{
c31f28e7	302	struct cycx_device *card = dev_id;
1da177e4	303
c31f28e7	304	if (card->wandev.state == WAN_UNCONFIGURED)
1da177e4 LT	305	goto out;
	306
	307	if (card->in_isr) {
d6810e13 JP	308	pr_warn("%s: interrupt re-entrancy on IRQ %d!\n",
d6810e13 JP	309	card->devname, card->wandev.irq);
1da177e4 LT	310	goto out;
	311	}
	312
	313	if (card->isr)
	314	card->isr(card);
	315	return IRQ_HANDLED;
	316	out:
	317	return IRQ_NONE;
	318	}
	319
	320	/* Set WAN device state. */
	321	void cycx_set_state(struct cycx_device *card, int state)
	322	{
	323	unsigned long flags;
	324	char *string_state = NULL;
	325
	326	spin_lock_irqsave(&card->lock, flags);
	327
	328	if (card->wandev.state != state) {
	329	switch (state) {
	330	case WAN_CONNECTED:
	331	string_state = "connected!";
	332	break;
	333	case WAN_DISCONNECTED:
	334	string_state = "disconnected!";
	335	break;
	336	}
d6810e13	337	pr_info("%s: link %s\n", card->devname, string_state);
1da177e4 LT	338	card->wandev.state = state;
	339	}
	340
	341	card->state_tick = jiffies;
	342	spin_unlock_irqrestore(&card->lock, flags);
	343	}
	344
	345	module_init(cycx_init);
	346	module_exit(cycx_exit);