pcmcia: move cistpl.c into pcmcia module
As PCMCIA is the only real user of CIS access functions, include cistpl.c in the PCMCIA module, not in the PCMCIA & CardBus core module. Tested-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
Родитель
4e8804ff6d
Коммит
6e7b51a733
|
|
@ -2,11 +2,11 @@
|
|||
# Makefile for the kernel pcmcia subsystem (c/o David Hinds)
|
||||
#
|
||||
|
||||
pcmcia_core-y += cs.o cistpl.o rsrc_mgr.o socket_sysfs.o
|
||||
pcmcia_core-y += cs.o rsrc_mgr.o socket_sysfs.o
|
||||
pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o
|
||||
obj-$(CONFIG_PCCARD) += pcmcia_core.o
|
||||
|
||||
pcmcia-y += ds.o pcmcia_resource.o
|
||||
pcmcia-y += ds.o pcmcia_resource.o cistpl.o
|
||||
pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o
|
||||
obj-$(CONFIG_PCMCIA) += pcmcia.o
|
||||
|
||||
|
|
|
|||
|
|
@ -76,7 +76,6 @@ void release_cis_mem(struct pcmcia_socket *s)
|
|||
s->cis_virt = NULL;
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL(release_cis_mem);
|
||||
|
||||
/*
|
||||
* Map the card memory at "card_offset" into virtual space.
|
||||
|
|
@ -195,7 +194,6 @@ int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
|
|||
*(u_char *)(ptr+2), *(u_char *)(ptr+3));
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(pcmcia_read_cis_mem);
|
||||
|
||||
|
||||
void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
|
||||
|
|
@ -254,7 +252,6 @@ void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
|
|||
}
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL(pcmcia_write_cis_mem);
|
||||
|
||||
|
||||
/*======================================================================
|
||||
|
|
@ -335,7 +332,6 @@ void destroy_cis_cache(struct pcmcia_socket *s)
|
|||
kfree(cis);
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL(destroy_cis_cache);
|
||||
|
||||
/*======================================================================
|
||||
|
||||
|
|
@ -374,7 +370,6 @@ int verify_cis_cache(struct pcmcia_socket *s)
|
|||
kfree(buf);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(verify_cis_cache);
|
||||
|
||||
/*======================================================================
|
||||
|
||||
|
|
@ -400,7 +395,6 @@ int pcmcia_replace_cis(struct pcmcia_socket *s,
|
|||
memcpy(s->fake_cis, data, len);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(pcmcia_replace_cis);
|
||||
|
||||
/*======================================================================
|
||||
|
||||
|
|
@ -446,7 +440,6 @@ int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple
|
|||
}
|
||||
return pccard_get_next_tuple(s, function, tuple);
|
||||
}
|
||||
EXPORT_SYMBOL(pccard_get_first_tuple);
|
||||
|
||||
static int follow_link(struct pcmcia_socket *s, tuple_t *tuple)
|
||||
{
|
||||
|
|
@ -582,7 +575,6 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_
|
|||
tuple->CISOffset = ofs + 2;
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(pccard_get_next_tuple);
|
||||
|
||||
/*====================================================================*/
|
||||
|
||||
|
|
@ -606,7 +598,6 @@ int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple)
|
|||
_MIN(len, tuple->TupleDataMax), tuple->TupleData);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(pccard_get_tuple_data);
|
||||
|
||||
|
||||
/*======================================================================
|
||||
|
|
@ -1379,7 +1370,6 @@ done:
|
|||
kfree(buf);
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pccard_read_tuple);
|
||||
|
||||
|
||||
/**
|
||||
|
|
@ -1439,7 +1429,6 @@ next_entry:
|
|||
kfree(buf);
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pccard_loop_tuple);
|
||||
|
||||
|
||||
/**
|
||||
|
|
@ -1533,4 +1522,149 @@ done:
|
|||
kfree(p);
|
||||
return ret;
|
||||
}
|
||||
EXPORT_SYMBOL(pccard_validate_cis);
|
||||
|
||||
|
||||
#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
|
||||
|
||||
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,
|
||||
struct bin_attribute *bin_attr,
|
||||
char *buf, loff_t off, size_t count)
|
||||
{
|
||||
unsigned int size = 0x200;
|
||||
|
||||
if (off >= size)
|
||||
count = 0;
|
||||
else {
|
||||
struct pcmcia_socket *s;
|
||||
unsigned int chains;
|
||||
|
||||
if (off + count > size)
|
||||
count = size - off;
|
||||
|
||||
s = to_socket(container_of(kobj, struct device, kobj));
|
||||
|
||||
if (!(s->state & SOCKET_PRESENT))
|
||||
return -ENODEV;
|
||||
if (pccard_validate_cis(s, &chains))
|
||||
return -EIO;
|
||||
if (!chains)
|
||||
return -ENODATA;
|
||||
|
||||
count = pccard_extract_cis(s, buf, off, count);
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
|
||||
static ssize_t pccard_store_cis(struct kobject *kobj,
|
||||
struct bin_attribute *bin_attr,
|
||||
char *buf, loff_t off, size_t count)
|
||||
{
|
||||
struct pcmcia_socket *s;
|
||||
int error;
|
||||
|
||||
s = to_socket(container_of(kobj, struct device, kobj));
|
||||
|
||||
if (off)
|
||||
return -EINVAL;
|
||||
|
||||
if (count >= CISTPL_MAX_CIS_SIZE)
|
||||
return -EINVAL;
|
||||
|
||||
if (!(s->state & SOCKET_PRESENT))
|
||||
return -ENODEV;
|
||||
|
||||
error = pcmcia_replace_cis(s, buf, count);
|
||||
if (error)
|
||||
return -EIO;
|
||||
|
||||
mutex_lock(&s->skt_mutex);
|
||||
if ((s->callback) && (s->state & SOCKET_PRESENT) &&
|
||||
!(s->state & SOCKET_CARDBUS)) {
|
||||
if (try_module_get(s->callback->owner)) {
|
||||
s->callback->requery(s, 1);
|
||||
module_put(s->callback->owner);
|
||||
}
|
||||
}
|
||||
mutex_unlock(&s->skt_mutex);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
|
||||
struct bin_attribute pccard_cis_attr = {
|
||||
.attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
|
||||
.size = 0x200,
|
||||
.read = pccard_show_cis,
|
||||
.write = pccard_store_cis,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -92,9 +92,6 @@ struct pccard_resource_ops {
|
|||
* Stuff internal to module "pcmcia_core":
|
||||
*/
|
||||
|
||||
/* cistpl.c */
|
||||
int verify_cis_cache(struct pcmcia_socket *s);
|
||||
|
||||
/* socket_sysfs.c */
|
||||
extern int pccard_sysfs_add_socket(struct device *dev);
|
||||
extern void pccard_sysfs_remove_socket(struct device *dev);
|
||||
|
|
@ -102,8 +99,6 @@ extern void pccard_sysfs_remove_socket(struct device *dev);
|
|||
/* cardbus.c */
|
||||
int cb_alloc(struct pcmcia_socket *s);
|
||||
void cb_free(struct pcmcia_socket *s);
|
||||
int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len,
|
||||
void *ptr);
|
||||
|
||||
|
||||
|
||||
|
|
@ -116,6 +111,7 @@ struct pcmcia_callback{
|
|||
int (*event) (struct pcmcia_socket *s,
|
||||
event_t event, int priority);
|
||||
void (*requery) (struct pcmcia_socket *s, int new_cis);
|
||||
int (*validate) (struct pcmcia_socket *s, unsigned int *i);
|
||||
int (*suspend) (struct pcmcia_socket *s);
|
||||
int (*resume) (struct pcmcia_socket *s);
|
||||
};
|
||||
|
|
@ -137,35 +133,6 @@ int pcmcia_insert_card(struct pcmcia_socket *skt);
|
|||
struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
|
||||
void pcmcia_put_socket(struct pcmcia_socket *skt);
|
||||
|
||||
/* cistpl.c */
|
||||
int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
|
||||
u_int addr, u_int len, void *ptr);
|
||||
void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
|
||||
u_int addr, u_int len, void *ptr);
|
||||
void release_cis_mem(struct pcmcia_socket *s);
|
||||
void destroy_cis_cache(struct pcmcia_socket *s);
|
||||
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
cisdata_t code, void *parse);
|
||||
int pcmcia_replace_cis(struct pcmcia_socket *s,
|
||||
const u8 *data, const size_t len);
|
||||
int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
|
||||
|
||||
/* loop over CIS entries */
|
||||
int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
cisdata_t code, cisparse_t *parse, void *priv_data,
|
||||
int (*loop_tuple) (tuple_t *tuple,
|
||||
cisparse_t *parse,
|
||||
void *priv_data));
|
||||
|
||||
int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
tuple_t *tuple);
|
||||
|
||||
int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
tuple_t *tuple);
|
||||
|
||||
int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
|
||||
|
||||
|
||||
/* rsrc_mgr.c */
|
||||
int pcmcia_validate_mem(struct pcmcia_socket *s);
|
||||
struct resource *pcmcia_find_mem_region(u_long base,
|
||||
|
|
@ -183,6 +150,37 @@ extern struct bus_type pcmcia_bus_type;
|
|||
/* pcmcia_resource.c */
|
||||
extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
|
||||
|
||||
/* cistpl.c */
|
||||
extern struct bin_attribute pccard_cis_attr;
|
||||
|
||||
int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
|
||||
u_int addr, u_int len, void *ptr);
|
||||
void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
|
||||
u_int addr, u_int len, void *ptr);
|
||||
void release_cis_mem(struct pcmcia_socket *s);
|
||||
void destroy_cis_cache(struct pcmcia_socket *s);
|
||||
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
cisdata_t code, void *parse);
|
||||
int pcmcia_replace_cis(struct pcmcia_socket *s,
|
||||
const u8 *data, const size_t len);
|
||||
int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
|
||||
int verify_cis_cache(struct pcmcia_socket *s);
|
||||
|
||||
int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
cisdata_t code, cisparse_t *parse, void *priv_data,
|
||||
int (*loop_tuple) (tuple_t *tuple,
|
||||
cisparse_t *parse,
|
||||
void *priv_data));
|
||||
|
||||
int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
tuple_t *tuple);
|
||||
|
||||
int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
|
||||
tuple_t *tuple);
|
||||
|
||||
int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
|
||||
|
||||
|
||||
#ifdef CONFIG_PCMCIA_IOCTL
|
||||
/* ds.c */
|
||||
extern spinlock_t pcmcia_dev_list_lock;
|
||||
|
|
|
|||
|
|
@ -1313,6 +1313,7 @@ static struct pcmcia_callback pcmcia_bus_callback = {
|
|||
.owner = THIS_MODULE,
|
||||
.event = ds_event,
|
||||
.requery = pcmcia_bus_rescan,
|
||||
.validate = pccard_validate_cis,
|
||||
.suspend = pcmcia_bus_suspend,
|
||||
.resume = pcmcia_bus_resume,
|
||||
};
|
||||
|
|
@ -1336,6 +1337,13 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev,
|
|||
*/
|
||||
msleep(250);
|
||||
|
||||
ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
|
||||
if (ret) {
|
||||
dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n");
|
||||
pcmcia_put_socket(socket);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PCMCIA_IOCTL
|
||||
init_waitqueue_head(&socket->queue);
|
||||
#endif
|
||||
|
|
@ -1371,6 +1379,8 @@ static void pcmcia_bus_remove_socket(struct device *dev,
|
|||
release_cis_mem(socket);
|
||||
mutex_unlock(&socket->skt_mutex);
|
||||
|
||||
sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
|
||||
|
||||
pcmcia_put_socket(socket);
|
||||
|
||||
return;
|
||||
|
|
|
|||
|
|
@ -277,7 +277,9 @@ static int readable(struct pcmcia_socket *s, struct resource *res,
|
|||
s->cis_mem.res = res;
|
||||
s->cis_virt = ioremap(res->start, s->map_size);
|
||||
if (s->cis_virt) {
|
||||
ret = pccard_validate_cis(s, count);
|
||||
/* as we're only called from pcmcia.c, we're safe */
|
||||
if (s->callback->validate)
|
||||
ret = s->callback->validate(s, count);
|
||||
/* invalidate mapping */
|
||||
iounmap(s->cis_virt);
|
||||
s->cis_virt = NULL;
|
||||
|
|
|
|||
|
|
@ -213,138 +213,6 @@ static ssize_t pccard_store_resource(struct device *dev,
|
|||
}
|
||||
static 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,
|
||||
struct bin_attribute *bin_attr,
|
||||
char *buf, loff_t off, size_t count)
|
||||
{
|
||||
unsigned int size = 0x200;
|
||||
|
||||
if (off >= size)
|
||||
count = 0;
|
||||
else {
|
||||
struct pcmcia_socket *s;
|
||||
unsigned int chains;
|
||||
|
||||
if (off + count > size)
|
||||
count = size - off;
|
||||
|
||||
s = to_socket(container_of(kobj, struct device, kobj));
|
||||
|
||||
if (!(s->state & SOCKET_PRESENT))
|
||||
return -ENODEV;
|
||||
if (pccard_validate_cis(s, &chains))
|
||||
return -EIO;
|
||||
if (!chains)
|
||||
return -ENODATA;
|
||||
|
||||
count = pccard_extract_cis(s, buf, off, count);
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static ssize_t pccard_store_cis(struct kobject *kobj,
|
||||
struct bin_attribute *bin_attr,
|
||||
char *buf, loff_t off, size_t count)
|
||||
{
|
||||
struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
|
||||
int error;
|
||||
|
||||
if (off)
|
||||
return -EINVAL;
|
||||
|
||||
if (count >= CISTPL_MAX_CIS_SIZE)
|
||||
return -EINVAL;
|
||||
|
||||
if (!(s->state & SOCKET_PRESENT))
|
||||
return -ENODEV;
|
||||
|
||||
error = pcmcia_replace_cis(s, buf, count);
|
||||
if (error)
|
||||
return -EIO;
|
||||
|
||||
mutex_lock(&s->skt_mutex);
|
||||
if ((s->callback) && (s->state & SOCKET_PRESENT) &&
|
||||
!(s->state & SOCKET_CARDBUS)) {
|
||||
if (try_module_get(s->callback->owner)) {
|
||||
s->callback->requery(s, 1);
|
||||
module_put(s->callback->owner);
|
||||
}
|
||||
}
|
||||
mutex_unlock(&s->skt_mutex);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
|
||||
static struct attribute *pccard_socket_attributes[] = {
|
||||
&dev_attr_card_type.attr,
|
||||
&dev_attr_card_voltage.attr,
|
||||
|
|
@ -362,28 +230,12 @@ static const struct attribute_group socket_attrs = {
|
|||
.attrs = pccard_socket_attributes,
|
||||
};
|
||||
|
||||
static struct bin_attribute pccard_cis_attr = {
|
||||
.attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
|
||||
.size = 0x200,
|
||||
.read = pccard_show_cis,
|
||||
.write = pccard_store_cis,
|
||||
};
|
||||
|
||||
int pccard_sysfs_add_socket(struct device *dev)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
ret = sysfs_create_group(&dev->kobj, &socket_attrs);
|
||||
if (!ret) {
|
||||
ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
|
||||
if (ret)
|
||||
sysfs_remove_group(&dev->kobj, &socket_attrs);
|
||||
}
|
||||
return ret;
|
||||
return sysfs_create_group(&dev->kobj, &socket_attrs);
|
||||
}
|
||||
|
||||
void pccard_sysfs_remove_socket(struct device *dev)
|
||||
{
|
||||
sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
|
||||
sysfs_remove_group(&dev->kobj, &socket_attrs);
|
||||
}
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче