[mirror_ubuntu-bionic-kernel.git] / drivers / pcmcia / socket_sysfs.c

/*
 * socket_sysfs.c -- most of socket-related sysfs output
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * (C) 2003 - 2004		Dominik Brodowski
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/config.h>
#include <linux/string.h>
#include <linux/major.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/timer.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/device.h>
#include <asm/system.h>
#include <asm/irq.h>

#define IN_CARD_SERVICES
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
#include <pcmcia/bulkmem.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include "cs_internal.h"

#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)

static ssize_t pccard_show_type(struct class_device *dev, char *buf)
{
	int val;
	struct pcmcia_socket *s = to_socket(dev);

	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	s->ops->get_status(s, &val);
	if (val & SS_CARDBUS)
		return sprintf(buf, "32-bit\n");
	if (val & SS_DETECT)
		return sprintf(buf, "16-bit\n");
	return sprintf(buf, "invalid\n");
}
static CLASS_DEVICE_ATTR(card_type, 0400, pccard_show_type, NULL);

static ssize_t pccard_show_voltage(struct class_device *dev, char *buf)
{
	int val;
	struct pcmcia_socket *s = to_socket(dev);

	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	s->ops->get_status(s, &val);
	if (val & SS_3VCARD)
		return sprintf(buf, "3.3V\n");
	if (val & SS_XVCARD)
		return sprintf(buf, "X.XV\n");
	return sprintf(buf, "5.0V\n");
}
static CLASS_DEVICE_ATTR(card_voltage, 0400, pccard_show_voltage, NULL);

static ssize_t pccard_show_vpp(struct class_device *dev, char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
}
static CLASS_DEVICE_ATTR(card_vpp, 0400, pccard_show_vpp, NULL);

static ssize_t pccard_show_vcc(struct class_device *dev, char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;
	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
}
static CLASS_DEVICE_ATTR(card_vcc, 0400, pccard_show_vcc, NULL);


static ssize_t pccard_store_insert(struct class_device *dev, const char *buf, size_t count)
{
	ssize_t ret;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	ret = pcmcia_insert_card(s);

	return ret ? ret : count;
}
static CLASS_DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);

static ssize_t pccard_store_eject(struct class_device *dev, const char *buf, size_t count)
{
	ssize_t ret;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	ret = pcmcia_eject_card(s);

	return ret ? ret : count;
}
static CLASS_DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);


static ssize_t pccard_show_irq_mask(struct class_device *dev, char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	return sprintf(buf, "0x%04x\n", s->irq_mask);
}

static ssize_t pccard_store_irq_mask(struct class_device *dev, const char *buf, size_t count)
{
	ssize_t ret;
	struct pcmcia_socket *s = to_socket(dev);
	u32 mask;

	if (!count)
		return -EINVAL;

	ret = sscanf (buf, "0x%x\n", &mask);

	if (ret == 1) {
		s->irq_mask &= mask;
		ret = 0;
	}

	return ret ? ret : count;
}
static CLASS_DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);


static ssize_t pccard_show_resource(struct class_device *dev, char *buf)
{
	struct pcmcia_socket *s = to_socket(dev);
	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
}

static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, size_t count)
{
	unsigned long flags;
	struct pcmcia_socket *s = to_socket(dev);

	if (!count)
		return -EINVAL;

	spin_lock_irqsave(&s->lock, flags);
	if (!s->resource_setup_done)
		s->resource_setup_done = 1;
	spin_unlock_irqrestore(&s->lock, flags);

	down(&s->skt_sem);
	if ((s->callback) &&
	    (s->state & SOCKET_PRESENT) &&
	    !(s->state & SOCKET_CARDBUS)) {
		if (try_module_get(s->callback->owner)) {
			s->callback->requery(s);
			module_put(s->callback->owner);
		}
	}
	up(&s->skt_sem);

	return count;
}
static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);


static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count)
{
	tuple_t tuple;
	int status, i;
	loff_t pointer = 0;
	ssize_t ret = 0;
	u_char *tuplebuffer;
	u_char *tempbuffer;

	tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
	if (!tuplebuffer)
		return -ENOMEM;

	tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
	if (!tempbuffer) {
		ret = -ENOMEM;
		goto free_tuple;
	}

	memset(&tuple, 0, sizeof(tuple_t));

	tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON;
	tuple.DesiredTuple = RETURN_FIRST_TUPLE;
	tuple.TupleOffset = 0;

	status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
	while (!status) {
		tuple.TupleData = tuplebuffer;
		tuple.TupleDataMax = 255;
		memset(tuplebuffer, 0, sizeof(u_char) * 255);

		status = pccard_get_tuple_data(s, &tuple);
		if (status)
			break;

		if (off < (pointer + 2 + tuple.TupleDataLen)) {
			tempbuffer[0] = tuple.TupleCode & 0xff;
			tempbuffer[1] = tuple.TupleLink & 0xff;
			for (i = 0; i < tuple.TupleDataLen; i++)
				tempbuffer[i + 2] = tuplebuffer[i] & 0xff;

			for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
				if (((i + pointer) >= off) &&
				    (i + pointer) < (off + count)) {
					buf[ret] = tempbuffer[i];
					ret++;
				}
			}
		}

		pointer += 2 + tuple.TupleDataLen;

		if (pointer >= (off + count))
			break;

		if (tuple.TupleCode == CISTPL_END)
			break;
		status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
	}

	kfree(tempbuffer);
 free_tuple:
	kfree(tuplebuffer);

	return (ret);
}

static ssize_t pccard_show_cis(struct kobject *kobj, char *buf, loff_t off, size_t count)
{
	unsigned int size = 0x200;

	if (off >= size)
		count = 0;
	else {
		struct pcmcia_socket *s;
		cisinfo_t cisinfo;

		if (off + count > size)
			count = size - off;

		s = to_socket(container_of(kobj, struct class_device, kobj));

		if (!(s->state & SOCKET_PRESENT))
			return -ENODEV;
		if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
			return -EIO;
		if (!cisinfo.Chains)
			return -ENODATA;

		count = pccard_extract_cis(s, buf, off, count);
	}

	return (count);
}

static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, size_t count)
{
	struct pcmcia_socket *s = to_socket(container_of(kobj, struct class_device, kobj));
	cisdump_t *cis;
	ssize_t ret = count;

	if (off)
		return -EINVAL;

	if (count >= 0x200)
		return -EINVAL;

	if (!(s->state & SOCKET_PRESENT))
		return -ENODEV;

	cis = kmalloc(sizeof(cisdump_t), GFP_KERNEL);
	if (!cis)
		return -ENOMEM;
	memset(cis, 0, sizeof(cisdump_t));

	cis->Length = count + 1;
	memcpy(cis->Data, buf, count);

	if (pcmcia_replace_cis(s, cis))
		ret  = -EIO;

	kfree(cis);

	if (!ret) {
		down(&s->skt_sem);
		if ((s->callback) && (s->state & SOCKET_PRESENT) &&
		    !(s->state & SOCKET_CARDBUS)) {
			if (try_module_get(s->callback->owner)) {
				s->callback->requery(s);
				module_put(s->callback->owner);
			}
		}
		up(&s->skt_sem);
	}


	return (ret);
}


static struct class_device_attribute *pccard_socket_attributes[] = {
	&class_device_attr_card_type,
	&class_device_attr_card_voltage,
	&class_device_attr_card_vpp,
	&class_device_attr_card_vcc,
	&class_device_attr_card_insert,
	&class_device_attr_card_eject,
	&class_device_attr_card_irq_mask,
	&class_device_attr_available_resources_setup_done,
	NULL,
};

static struct bin_attribute pccard_cis_attr = {
	.attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR, .owner = THIS_MODULE},
	.size = 0x200,
	.read = pccard_show_cis,
	.write = pccard_store_cis,
};

static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
{
	struct class_device_attribute **attr;
	int ret = 0;

	for (attr = pccard_socket_attributes; *attr; attr++) {
		ret = class_device_create_file(class_dev, *attr);
		if (ret)
			break;
	}
	if (!ret)
		ret = sysfs_create_bin_file(&class_dev->kobj, &pccard_cis_attr);

	return ret;
}

static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
{
	struct class_device_attribute **attr;

	sysfs_remove_bin_file(&class_dev->kobj, &pccard_cis_attr);
	for (attr = pccard_socket_attributes; *attr; attr++)
		class_device_remove_file(class_dev, *attr);
}

struct class_interface pccard_sysfs_interface = {
	.class = &pcmcia_socket_class,
	.add = &pccard_sysfs_add_socket,
	.remove = __devexit_p(&pccard_sysfs_remove_socket),
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* socket_sysfs.c -- most of socket-related sysfs output
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*
	8	* (C) 2003 - 2004 Dominik Brodowski
	9	*/
	10
	11	#include <linux/module.h>
	12	#include <linux/moduleparam.h>
	13	#include <linux/init.h>
	14	#include <linux/kernel.h>
	15	#include <linux/config.h>
	16	#include <linux/string.h>
	17	#include <linux/major.h>
	18	#include <linux/errno.h>
	19	#include <linux/slab.h>
	20	#include <linux/mm.h>
	21	#include <linux/interrupt.h>
	22	#include <linux/timer.h>
	23	#include <linux/ioport.h>
	24	#include <linux/delay.h>
	25	#include <linux/pm.h>
	26	#include <linux/pci.h>
	27	#include <linux/device.h>
	28	#include <asm/system.h>
	29	#include <asm/irq.h>
	30
	31	#define IN_CARD_SERVICES
1da177e4 LT	32	#include <pcmcia/cs_types.h>
	33	#include <pcmcia/ss.h>
	34	#include <pcmcia/cs.h>
	35	#include <pcmcia/bulkmem.h>
	36	#include <pcmcia/cistpl.h>
	37	#include <pcmcia/cisreg.h>
	38	#include <pcmcia/ds.h>
	39	#include "cs_internal.h"
	40
	41	#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
	42
	43	static ssize_t pccard_show_type(struct class_device dev, char buf)
	44	{
	45	int val;
	46	struct pcmcia_socket *s = to_socket(dev);
	47
	48	if (!(s->state & SOCKET_PRESENT))
	49	return -ENODEV;
	50	s->ops->get_status(s, &val);
	51	if (val & SS_CARDBUS)
	52	return sprintf(buf, "32-bit\n");
	53	if (val & SS_DETECT)
	54	return sprintf(buf, "16-bit\n");
	55	return sprintf(buf, "invalid\n");
	56	}
	57	static CLASS_DEVICE_ATTR(card_type, 0400, pccard_show_type, NULL);
	58
	59	static ssize_t pccard_show_voltage(struct class_device dev, char buf)
	60	{
	61	int val;
	62	struct pcmcia_socket *s = to_socket(dev);
	63
	64	if (!(s->state & SOCKET_PRESENT))
	65	return -ENODEV;
	66	s->ops->get_status(s, &val);
	67	if (val & SS_3VCARD)
	68	return sprintf(buf, "3.3V\n");
	69	if (val & SS_XVCARD)
	70	return sprintf(buf, "X.XV\n");
	71	return sprintf(buf, "5.0V\n");
	72	}
	73	static CLASS_DEVICE_ATTR(card_voltage, 0400, pccard_show_voltage, NULL);
	74
	75	static ssize_t pccard_show_vpp(struct class_device dev, char buf)
	76	{
	77	struct pcmcia_socket *s = to_socket(dev);
	78	if (!(s->state & SOCKET_PRESENT))
	79	return -ENODEV;
	80	return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
	81	}
	82	static CLASS_DEVICE_ATTR(card_vpp, 0400, pccard_show_vpp, NULL);
	83
	84	static ssize_t pccard_show_vcc(struct class_device dev, char buf)
	85	{
	86	struct pcmcia_socket *s = to_socket(dev);
	87	if (!(s->state & SOCKET_PRESENT))
	88	return -ENODEV;
	89	return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
	90	}
	91	static CLASS_DEVICE_ATTR(card_vcc, 0400, pccard_show_vcc, NULL);
	92
	93
	94	static ssize_t pccard_store_insert(struct class_device dev, const char buf, size_t count)
	95	{
96	ssize_t ret;
97	struct pcmcia_socket *s = to_socket(dev);
98
99	if (!count)
100	return -EINVAL;
101
102	ret = pcmcia_insert_card(s);
103
104	return ret ? ret : count;
105	}
106	static CLASS_DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
107
108	static ssize_t pccard_store_eject(struct class_device dev, const char buf, size_t count)
109	{
110	ssize_t ret;
111	struct pcmcia_socket *s = to_socket(dev);
112
113	if (!count)
114	return -EINVAL;
115
116	ret = pcmcia_eject_card(s);
117
118	return ret ? ret : count;
119	}
120	static CLASS_DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
121
122
123	static ssize_t pccard_show_irq_mask(struct class_device dev, char buf)
124	{
125	struct pcmcia_socket *s = to_socket(dev);
126	return sprintf(buf, "0x%04x\n", s->irq_mask);
127	}
128
129	static ssize_t pccard_store_irq_mask(struct class_device dev, const char buf, size_t count)
130	{
131	ssize_t ret;
132	struct pcmcia_socket *s = to_socket(dev);
133	u32 mask;
134
135	if (!count)
136	return -EINVAL;
137
138	ret = sscanf (buf, "0x%x\n", &mask);
139
140	if (ret == 1) {
141	s->irq_mask &= mask;
142	ret = 0;
143	}
144
145	return ret ? ret : count;
146	}
147	static CLASS_DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
148
149
150	static ssize_t pccard_show_resource(struct class_device dev, char buf)
151	{
152	struct pcmcia_socket *s = to_socket(dev);
153	return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
154	}
155
156	static ssize_t pccard_store_resource(struct class_device dev, const char buf, size_t count)
157	{
158	unsigned long flags;
159	struct pcmcia_socket *s = to_socket(dev);
160
161	if (!count)
162	return -EINVAL;
163
164	spin_lock_irqsave(&s->lock, flags);
e2f0b534	165	if (!s->resource_setup_done)
1da177e4	166	s->resource_setup_done = 1;
e2f0b534	167	spin_unlock_irqrestore(&s->lock, flags);
1da177e4	168
e2f0b534 DB	169	down(&s->skt_sem);
	170	if ((s->callback) &&
	171	(s->state & SOCKET_PRESENT) &&
	172	!(s->state & SOCKET_CARDBUS)) {
	173	if (try_module_get(s->callback->owner)) {
	174	s->callback->requery(s);
	175	module_put(s->callback->owner);
1da177e4	176	}
1da177e4	177	}
e2f0b534	178	up(&s->skt_sem);
1da177e4 LT	179
	180	return count;
	181	}
	182	static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
	183
	184
7f299bcc DB	185	static ssize_t pccard_extract_cis(struct pcmcia_socket s, char buf, loff_t off, size_t count)
	186	{
	187	tuple_t tuple;
	188	int status, i;
	189	loff_t pointer = 0;
	190	ssize_t ret = 0;
	191	u_char *tuplebuffer;
	192	u_char *tempbuffer;
	193
	194	tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
	195	if (!tuplebuffer)
	196	return -ENOMEM;
	197
	198	tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
	199	if (!tempbuffer) {
	200	ret = -ENOMEM;
	201	goto free_tuple;
	202	}
	203
	204	memset(&tuple, 0, sizeof(tuple_t));
	205
	206	tuple.Attributes = TUPLE_RETURN_LINK \| TUPLE_RETURN_COMMON;
	207	tuple.DesiredTuple = RETURN_FIRST_TUPLE;
	208	tuple.TupleOffset = 0;
	209
	210	status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
	211	while (!status) {
	212	tuple.TupleData = tuplebuffer;
	213	tuple.TupleDataMax = 255;
	214	memset(tuplebuffer, 0, sizeof(u_char) * 255);
	215
	216	status = pccard_get_tuple_data(s, &tuple);
	217	if (status)
	218	break;
	219
	220	if (off < (pointer + 2 + tuple.TupleDataLen)) {
	221	tempbuffer[0] = tuple.TupleCode & 0xff;
	222	tempbuffer[1] = tuple.TupleLink & 0xff;
	223	for (i = 0; i < tuple.TupleDataLen; i++)
	224	tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
	225
	226	for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
	227	if (((i + pointer) >= off) &&
	228	(i + pointer) < (off + count)) {
	229	buf[ret] = tempbuffer[i];
	230	ret++;
	231	}
	232	}
	233	}
	234
	235	pointer += 2 + tuple.TupleDataLen;
	236
	237	if (pointer >= (off + count))
	238	break;
	239
	240	if (tuple.TupleCode == CISTPL_END)
	241	break;
	242	status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
	243	}
	244
	245	kfree(tempbuffer);
	246	free_tuple:
	247	kfree(tuplebuffer);
	248
249	return (ret);
250	}
251
252	static ssize_t pccard_show_cis(struct kobject kobj, char buf, loff_t off, size_t count)
253	{
254	unsigned int size = 0x200;
255
256	if (off >= size)
257	count = 0;
258	else {
259	struct pcmcia_socket *s;
260	cisinfo_t cisinfo;
261
262	if (off + count > size)
263	count = size - off;
264
265	s = to_socket(container_of(kobj, struct class_device, kobj));
266
267	if (!(s->state & SOCKET_PRESENT))
268	return -ENODEV;
269	if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
270	return -EIO;
271	if (!cisinfo.Chains)
272	return -ENODATA;
273
274	count = pccard_extract_cis(s, buf, off, count);
275	}
276
277	return (count);
278	}
279
ff1fa9ef DB	280	static ssize_t pccard_store_cis(struct kobject kobj, char buf, loff_t off, size_t count)
	281	{
	282	struct pcmcia_socket *s = to_socket(container_of(kobj, struct class_device, kobj));
	283	cisdump_t *cis;
	284	ssize_t ret = count;
	285
	286	if (off)
	287	return -EINVAL;
	288
	289	if (count >= 0x200)
	290	return -EINVAL;
	291
	292	if (!(s->state & SOCKET_PRESENT))
	293	return -ENODEV;
	294
	295	cis = kmalloc(sizeof(cisdump_t), GFP_KERNEL);
	296	if (!cis)
	297	return -ENOMEM;
	298	memset(cis, 0, sizeof(cisdump_t));
	299
	300	cis->Length = count + 1;
	301	memcpy(cis->Data, buf, count);
	302
	303	if (pcmcia_replace_cis(s, cis))
	304	ret = -EIO;
	305
	306	kfree(cis);
	307
	308	if (!ret) {
	309	down(&s->skt_sem);
	310	if ((s->callback) && (s->state & SOCKET_PRESENT) &&
	311	!(s->state & SOCKET_CARDBUS)) {
	312	if (try_module_get(s->callback->owner)) {
e2f0b534	313	s->callback->requery(s);
ff1fa9ef DB	314	module_put(s->callback->owner);
	315	}
	316	}
	317	up(&s->skt_sem);
	318	}
	319
	320
	321	return (ret);
	322	}
	323
7f299bcc	324
1da177e4 LT	325	static struct class_device_attribute *pccard_socket_attributes[] = {
	326	&class_device_attr_card_type,
	327	&class_device_attr_card_voltage,
	328	&class_device_attr_card_vpp,
	329	&class_device_attr_card_vcc,
	330	&class_device_attr_card_insert,
	331	&class_device_attr_card_eject,
	332	&class_device_attr_card_irq_mask,
	333	&class_device_attr_available_resources_setup_done,
	334	NULL,
	335	};
	336
7f299bcc	337	static struct bin_attribute pccard_cis_attr = {
ff1fa9ef	338	.attr = { .name = "cis", .mode = S_IRUGO \| S_IWUSR, .owner = THIS_MODULE},
7f299bcc DB	339	.size = 0x200,
7f299bcc DB	340	.read = pccard_show_cis,
ff1fa9ef	341	.write = pccard_store_cis,
7f299bcc DB	342	};
7f299bcc DB	343
1da177e4 LT	344	static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
	345	{
	346	struct class_device_attribute **attr;
	347	int ret = 0;
	348
	349	for (attr = pccard_socket_attributes; *attr; attr++) {
	350	ret = class_device_create_file(class_dev, *attr);
	351	if (ret)
	352	break;
	353	}
7f299bcc DB	354	if (!ret)
7f299bcc DB	355	ret = sysfs_create_bin_file(&class_dev->kobj, &pccard_cis_attr);
1da177e4 LT	356
	357	return ret;
	358	}
	359
	360	static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
	361	{
	362	struct class_device_attribute **attr;
	363
7f299bcc	364	sysfs_remove_bin_file(&class_dev->kobj, &pccard_cis_attr);
1da177e4 LT	365	for (attr = pccard_socket_attributes; *attr; attr++)
	366	class_device_remove_file(class_dev, *attr);
	367	}
	368
	369	struct class_interface pccard_sysfs_interface = {
	370	.class = &pcmcia_socket_class,
	371	.add = &pccard_sysfs_add_socket,
	372	.remove = __devexit_p(&pccard_sysfs_remove_socket),
	373	};