linux/drivers/net/wireless/hostap/hostap_cs.c
Dominik Brodowski 2262054e74 pcmcia: remove obsolete and wrong comments
What's worse than no comment? A wrong comment.

Several PCMCIA device drivers contained the same comments, which
were based on how the PCMCIA subsystem worked in the old days of 2.4.,
and which were originally part of a "dummy_cs" driver. These comments
no longer matched at all what is happening now, and therefore should
be removed.

Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2010-09-29 17:20:25 +02:00

723 lines
18 KiB
C

#define PRISM2_PCCARD
#include <linux/module.h>
#include <linux/init.h>
#include <linux/if.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/timer.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/workqueue.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include <asm/io.h>
#include "hostap_wlan.h"
static char *dev_info = "hostap_cs";
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN "
"cards (PC Card).");
MODULE_SUPPORTED_DEVICE("Intersil Prism2-based WLAN cards (PC Card)");
MODULE_LICENSE("GPL");
static int ignore_cis_vcc;
module_param(ignore_cis_vcc, int, 0444);
MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry");
/* struct local_info::hw_priv */
struct hostap_cs_priv {
struct pcmcia_device *link;
int sandisk_connectplus;
};
#ifdef PRISM2_IO_DEBUG
static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v);
outb(v, dev->base_addr + a);
spin_unlock_irqrestore(&local->lock, flags);
}
static inline u8 hfa384x_inb_debug(struct net_device *dev, int a)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
u8 v;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
v = inb(dev->base_addr + a);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v);
spin_unlock_irqrestore(&local->lock, flags);
return v;
}
static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v);
outw(v, dev->base_addr + a);
spin_unlock_irqrestore(&local->lock, flags);
}
static inline u16 hfa384x_inw_debug(struct net_device *dev, int a)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
u16 v;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
v = inw(dev->base_addr + a);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v);
spin_unlock_irqrestore(&local->lock, flags);
return v;
}
static inline void hfa384x_outsw_debug(struct net_device *dev, int a,
u8 *buf, int wc)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTSW, a, wc);
outsw(dev->base_addr + a, buf, wc);
spin_unlock_irqrestore(&local->lock, flags);
}
static inline void hfa384x_insw_debug(struct net_device *dev, int a,
u8 *buf, int wc)
{
struct hostap_interface *iface;
local_info_t *local;
unsigned long flags;
iface = netdev_priv(dev);
local = iface->local;
spin_lock_irqsave(&local->lock, flags);
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INSW, a, wc);
insw(dev->base_addr + a, buf, wc);
spin_unlock_irqrestore(&local->lock, flags);
}
#define HFA384X_OUTB(v,a) hfa384x_outb_debug(dev, (a), (v))
#define HFA384X_INB(a) hfa384x_inb_debug(dev, (a))
#define HFA384X_OUTW(v,a) hfa384x_outw_debug(dev, (a), (v))
#define HFA384X_INW(a) hfa384x_inw_debug(dev, (a))
#define HFA384X_OUTSW(a, buf, wc) hfa384x_outsw_debug(dev, (a), (buf), (wc))
#define HFA384X_INSW(a, buf, wc) hfa384x_insw_debug(dev, (a), (buf), (wc))
#else /* PRISM2_IO_DEBUG */
#define HFA384X_OUTB(v,a) outb((v), dev->base_addr + (a))
#define HFA384X_INB(a) inb(dev->base_addr + (a))
#define HFA384X_OUTW(v,a) outw((v), dev->base_addr + (a))
#define HFA384X_INW(a) inw(dev->base_addr + (a))
#define HFA384X_INSW(a, buf, wc) insw(dev->base_addr + (a), buf, wc)
#define HFA384X_OUTSW(a, buf, wc) outsw(dev->base_addr + (a), buf, wc)
#endif /* PRISM2_IO_DEBUG */
static int hfa384x_from_bap(struct net_device *dev, u16 bap, void *buf,
int len)
{
u16 d_off;
u16 *pos;
d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
pos = (u16 *) buf;
if (len / 2)
HFA384X_INSW(d_off, buf, len / 2);
pos += len / 2;
if (len & 1)
*((char *) pos) = HFA384X_INB(d_off);
return 0;
}
static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len)
{
u16 d_off;
u16 *pos;
d_off = (bap == 1) ? HFA384X_DATA1_OFF : HFA384X_DATA0_OFF;
pos = (u16 *) buf;
if (len / 2)
HFA384X_OUTSW(d_off, buf, len / 2);
pos += len / 2;
if (len & 1)
HFA384X_OUTB(*((char *) pos), d_off);
return 0;
}
/* FIX: This might change at some point.. */
#include "hostap_hw.c"
static void prism2_detach(struct pcmcia_device *p_dev);
static void prism2_release(u_long arg);
static int prism2_config(struct pcmcia_device *link);
static int prism2_pccard_card_present(local_info_t *local)
{
struct hostap_cs_priv *hw_priv = local->hw_priv;
if (hw_priv != NULL && hw_priv->link != NULL && pcmcia_dev_present(hw_priv->link))
return 1;
return 0;
}
/*
* SanDisk CompactFlash WLAN Flashcard - Product Manual v1.0
* Document No. 20-10-00058, January 2004
* http://www.sandisk.com/pdf/industrial/ProdManualCFWLANv1.0.pdf
*/
#define SANDISK_WLAN_ACTIVATION_OFF 0x40
#define SANDISK_HCR_OFF 0x42
static void sandisk_set_iobase(local_info_t *local)
{
int res;
struct hostap_cs_priv *hw_priv = local->hw_priv;
res = pcmcia_write_config_byte(hw_priv->link, 0x10,
hw_priv->link->resource[0]->start & 0x00ff);
if (res != 0) {
printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 0 -"
" res=%d\n", res);
}
udelay(10);
res = pcmcia_write_config_byte(hw_priv->link, 0x12,
(hw_priv->link->resource[0]->start >> 8) & 0x00ff);
if (res != 0) {
printk(KERN_DEBUG "Prism3 SanDisk - failed to set I/O base 1 -"
" res=%d\n", res);
}
}
static void sandisk_write_hcr(local_info_t *local, int hcr)
{
struct net_device *dev = local->dev;
int i;
HFA384X_OUTB(0x80, SANDISK_WLAN_ACTIVATION_OFF);
udelay(50);
for (i = 0; i < 10; i++) {
HFA384X_OUTB(hcr, SANDISK_HCR_OFF);
}
udelay(55);
HFA384X_OUTB(0x45, SANDISK_WLAN_ACTIVATION_OFF);
}
static int sandisk_enable_wireless(struct net_device *dev)
{
int res, ret = 0;
struct hostap_interface *iface = netdev_priv(dev);
local_info_t *local = iface->local;
struct hostap_cs_priv *hw_priv = local->hw_priv;
if (resource_size(hw_priv->link->resource[0]) < 0x42) {
/* Not enough ports to be SanDisk multi-function card */
ret = -ENODEV;
goto done;
}
if (hw_priv->link->manf_id != 0xd601 || hw_priv->link->card_id != 0x0101) {
/* No SanDisk manfid found */
ret = -ENODEV;
goto done;
}
if (hw_priv->link->socket->functions < 2) {
/* No multi-function links found */
ret = -ENODEV;
goto done;
}
printk(KERN_DEBUG "%s: Multi-function SanDisk ConnectPlus detected"
" - using vendor-specific initialization\n", dev->name);
hw_priv->sandisk_connectplus = 1;
res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
COR_SOFT_RESET);
if (res != 0) {
printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
dev->name, res);
goto done;
}
mdelay(5);
/*
* Do not enable interrupts here to avoid some bogus events. Interrupts
* will be enabled during the first cor_sreset call.
*/
res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
(COR_LEVEL_REQ | 0x8 | COR_ADDR_DECODE |
COR_FUNC_ENA));
if (res != 0) {
printk(KERN_DEBUG "%s: SanDisk - COR sreset failed (%d)\n",
dev->name, res);
goto done;
}
mdelay(5);
sandisk_set_iobase(local);
HFA384X_OUTB(0xc5, SANDISK_WLAN_ACTIVATION_OFF);
udelay(10);
HFA384X_OUTB(0x4b, SANDISK_WLAN_ACTIVATION_OFF);
udelay(10);
done:
return ret;
}
static void prism2_pccard_cor_sreset(local_info_t *local)
{
int res;
u8 val;
struct hostap_cs_priv *hw_priv = local->hw_priv;
if (!prism2_pccard_card_present(local))
return;
res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &val);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 1 (%d)\n",
res);
return;
}
printk(KERN_DEBUG "prism2_pccard_cor_sreset: original COR %02x\n",
val);
val |= COR_SOFT_RESET;
res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 2 (%d)\n",
res);
return;
}
mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
val &= ~COR_SOFT_RESET;
if (hw_priv->sandisk_connectplus)
val |= COR_IREQ_ENA;
res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR, val);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_cor_sreset failed 3 (%d)\n",
res);
return;
}
mdelay(hw_priv->sandisk_connectplus ? 5 : 2);
if (hw_priv->sandisk_connectplus)
sandisk_set_iobase(local);
}
static void prism2_pccard_genesis_reset(local_info_t *local, int hcr)
{
int res;
u8 old_cor;
struct hostap_cs_priv *hw_priv = local->hw_priv;
if (!prism2_pccard_card_present(local))
return;
if (hw_priv->sandisk_connectplus) {
sandisk_write_hcr(local, hcr);
return;
}
res = pcmcia_read_config_byte(hw_priv->link, CISREG_COR, &old_cor);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 1 "
"(%d)\n", res);
return;
}
printk(KERN_DEBUG "prism2_pccard_genesis_sreset: original COR %02x\n",
old_cor);
res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
old_cor | COR_SOFT_RESET);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 2 "
"(%d)\n", res);
return;
}
mdelay(10);
/* Setup Genesis mode */
res = pcmcia_write_config_byte(hw_priv->link, CISREG_CCSR, hcr);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 3 "
"(%d)\n", res);
return;
}
mdelay(10);
res = pcmcia_write_config_byte(hw_priv->link, CISREG_COR,
old_cor & ~COR_SOFT_RESET);
if (res != 0) {
printk(KERN_DEBUG "prism2_pccard_genesis_sreset failed 4 "
"(%d)\n", res);
return;
}
mdelay(10);
}
static struct prism2_helper_functions prism2_pccard_funcs =
{
.card_present = prism2_pccard_card_present,
.cor_sreset = prism2_pccard_cor_sreset,
.genesis_reset = prism2_pccard_genesis_reset,
.hw_type = HOSTAP_HW_PCCARD,
};
/* allocate local data and register with CardServices
* initialize dev_link structure, but do not configure the card yet */
static int hostap_cs_probe(struct pcmcia_device *p_dev)
{
int ret;
PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info);
ret = prism2_config(p_dev);
if (ret) {
PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n");
}
return ret;
}
static void prism2_detach(struct pcmcia_device *link)
{
PDEBUG(DEBUG_FLOW, "prism2_detach\n");
prism2_release((u_long)link);
/* release net devices */
if (link->priv) {
struct hostap_cs_priv *hw_priv;
struct net_device *dev;
struct hostap_interface *iface;
dev = link->priv;
iface = netdev_priv(dev);
hw_priv = iface->local->hw_priv;
prism2_free_local_data(dev);
kfree(hw_priv);
}
}
static int prism2_config_check(struct pcmcia_device *p_dev, void *priv_data)
{
if (p_dev->config_index == 0)
return -EINVAL;
return pcmcia_request_io(p_dev);
}
static int prism2_config(struct pcmcia_device *link)
{
struct net_device *dev;
struct hostap_interface *iface;
local_info_t *local;
int ret = 1;
struct hostap_cs_priv *hw_priv;
unsigned long flags;
PDEBUG(DEBUG_FLOW, "prism2_config()\n");
hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
if (hw_priv == NULL) {
ret = -ENOMEM;
goto failed;
}
/* Look for an appropriate configuration table entry in the CIS */
link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO |
CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
if (ignore_cis_vcc)
link->config_flags &= ~CONF_AUTO_CHECK_VCC;
ret = pcmcia_loop_config(link, prism2_config_check, NULL);
if (ret) {
if (!ignore_cis_vcc)
printk(KERN_ERR "GetNextTuple(): No matching "
"CIS configuration. Maybe you need the "
"ignore_cis_vcc=1 parameter.\n");
goto failed;
}
/* Need to allocate net_device before requesting IRQ handler */
dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
&link->dev);
if (dev == NULL)
goto failed;
link->priv = dev;
iface = netdev_priv(dev);
local = iface->local;
local->hw_priv = hw_priv;
hw_priv->link = link;
/*
* Make sure the IRQ handler cannot proceed until at least
* dev->base_addr is initialized.
*/
spin_lock_irqsave(&local->irq_init_lock, flags);
ret = pcmcia_request_irq(link, prism2_interrupt);
if (ret)
goto failed_unlock;
ret = pcmcia_enable_device(link);
if (ret)
goto failed_unlock;
dev->irq = link->irq;
dev->base_addr = link->resource[0]->start;
spin_unlock_irqrestore(&local->irq_init_lock, flags);
local->shutdown = 0;
sandisk_enable_wireless(dev);
ret = prism2_hw_config(dev, 1);
if (!ret)
ret = hostap_hw_ready(dev);
return ret;
failed_unlock:
spin_unlock_irqrestore(&local->irq_init_lock, flags);
failed:
kfree(hw_priv);
prism2_release((u_long)link);
return ret;
}
static void prism2_release(u_long arg)
{
struct pcmcia_device *link = (struct pcmcia_device *)arg;
PDEBUG(DEBUG_FLOW, "prism2_release\n");
if (link->priv) {
struct net_device *dev = link->priv;
struct hostap_interface *iface;
iface = netdev_priv(dev);
prism2_hw_shutdown(dev, 0);
iface->local->shutdown = 1;
}
pcmcia_disable_device(link);
PDEBUG(DEBUG_FLOW, "release - done\n");
}
static int hostap_cs_suspend(struct pcmcia_device *link)
{
struct net_device *dev = (struct net_device *) link->priv;
int dev_open = 0;
struct hostap_interface *iface = NULL;
if (!dev)
return -ENODEV;
iface = netdev_priv(dev);
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
if (iface && iface->local)
dev_open = iface->local->num_dev_open > 0;
if (dev_open) {
netif_stop_queue(dev);
netif_device_detach(dev);
}
prism2_suspend(dev);
return 0;
}
static int hostap_cs_resume(struct pcmcia_device *link)
{
struct net_device *dev = (struct net_device *) link->priv;
int dev_open = 0;
struct hostap_interface *iface = NULL;
if (!dev)
return -ENODEV;
iface = netdev_priv(dev);
PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
if (iface && iface->local)
dev_open = iface->local->num_dev_open > 0;
prism2_hw_shutdown(dev, 1);
prism2_hw_config(dev, dev_open ? 0 : 1);
if (dev_open) {
netif_device_attach(dev);
netif_start_queue(dev);
}
return 0;
}
static struct pcmcia_device_id hostap_cs_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100),
PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300),
PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777),
PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000),
PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x3301),
PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0x026f, 0x030b),
PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612),
PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613),
PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001),
PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x0001),
PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300),
/* PCMCIA_DEVICE_MANF_CARD(0xc00f, 0x0000), conflict with pcnet_cs */
PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002),
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005),
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0010),
PCMCIA_DEVICE_MANF_CARD(0x0126, 0x0002),
PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0xd601, 0x0005, "ADLINK 345 CF",
0x2d858104),
PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "INTERSIL",
0x74c5e40d),
PCMCIA_DEVICE_MANF_CARD_PROD_ID1(0x0156, 0x0002, "Intersil",
0x4b801a17),
PCMCIA_MFC_DEVICE_PROD_ID12(0, "SanDisk", "ConnectPlus",
0x7a954bd9, 0x74be00c6),
PCMCIA_DEVICE_PROD_ID123(
"Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02",
0xe6ec52ce, 0x08649af2, 0x4b74baa0),
PCMCIA_DEVICE_PROD_ID123(
"D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02",
0x71b18589, 0xb6f1b0ab, 0x4b74baa0),
PCMCIA_DEVICE_PROD_ID123(
"Instant Wireless ", " Network PC CARD", "Version 01.02",
0x11d901af, 0x6e9bd926, 0x4b74baa0),
PCMCIA_DEVICE_PROD_ID123(
"SMC", "SMC2632W", "Version 01.02",
0xc4f8b18b, 0x474a1f2a, 0x4b74baa0),
PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G",
0x2decece3, 0x82067c18),
PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card",
0x54f7c49c, 0x15a75e5b),
PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE",
0x74c5e40d, 0xdb472a18),
PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card",
0x0733cc81, 0x0c52f395),
PCMCIA_DEVICE_PROD_ID12(
"ZoomAir 11Mbps High", "Rate wireless Networking",
0x273fe3db, 0x32a1eaee),
PCMCIA_DEVICE_PROD_ID123(
"Pretec", "CompactWLAN Card 802.11b", "2.5",
0x1cadd3e5, 0xe697636c, 0x7a5bfcf1),
PCMCIA_DEVICE_PROD_ID123(
"U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02",
0xc7b8df9d, 0x1700d087, 0x4b74baa0),
PCMCIA_DEVICE_PROD_ID123(
"Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio",
"Ver. 1.00",
0x5cd01705, 0x4271660f, 0x9d08ee12),
PCMCIA_DEVICE_PROD_ID123(
"Wireless LAN" , "11Mbps PC Card", "Version 01.02",
0x4b8870ff, 0x70e946d1, 0x4b74baa0),
PCMCIA_DEVICE_PROD_ID3("HFA3863", 0x355cb092),
PCMCIA_DEVICE_PROD_ID3("ISL37100P", 0x630d52b2),
PCMCIA_DEVICE_PROD_ID3("ISL37101P-10", 0xdd97a26b),
PCMCIA_DEVICE_PROD_ID3("ISL37300P", 0xc9049a39),
PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids);
static struct pcmcia_driver hostap_driver = {
.name = "hostap_cs",
.probe = hostap_cs_probe,
.remove = prism2_detach,
.owner = THIS_MODULE,
.id_table = hostap_cs_ids,
.suspend = hostap_cs_suspend,
.resume = hostap_cs_resume,
};
static int __init init_prism2_pccard(void)
{
return pcmcia_register_driver(&hostap_driver);
}
static void __exit exit_prism2_pccard(void)
{
pcmcia_unregister_driver(&hostap_driver);
}
module_init(init_prism2_pccard);
module_exit(exit_prism2_pccard);