static void __exit exit_com20020_cs(void)
{
DEBUG(0, "com20020_cs: unloading\n");
unregister_pccard_driver(&dev_info);
while (dev_list != NULL)
com20020_detach(dev_list);
}
static void flush_stale_links(void)
{
dev_link_t *link, *next;
for (link = dev_list; link; link = next) {
next = link->next;
if (link->state & DEV_STALE_LINK)
com20020_detach(link);
}
}
static void com20020_release(dev_link_t *link)
{
DEBUG(1,"release...\n");
DEBUG(0, "com20020_release(0x%p)\n", link);
if (link->open) {
DEBUG(1,"postpone...\n");
DEBUG(1, "com20020_cs: release postponed, device stll open\n");
link->state |= DEV_STALE_CONFIG;
return;
}
CardServices(ReleaseConfiguration, link->handle);
CardServices(ReleaseIO, link->handle, &link->io);
CardServices(ReleaseIRQ, link->handle, &link->irq);
link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING);
if (link->state & DEV_STALE_CONFIG)
com20020_detach(link);
}
static void __exit exit_com20020_cs(void)
{
pcmcia_unregister_driver(&com20020_cs_driver);
while (dev_list != NULL)
com20020_detach(dev_list);
}
static dev_link_t *com20020_attach(void)
{
client_reg_t client_reg;
dev_link_t *link;
com20020_dev_t *info;
struct net_device *dev;
int i, ret;
struct arcnet_local *lp;
DEBUG(0, "com20020_attach()\n");
/* Create new network device */
link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
if (!link)
return NULL;
info = kmalloc(sizeof(struct com20020_dev_t), GFP_KERNEL);
if (!info)
goto fail_alloc_info;
dev = alloc_netdev(sizeof(struct arcnet_local), "arc%d",
com20020_setup);
if (!dev)
goto fail_alloc_dev;
memset(info, 0, sizeof(struct com20020_dev_t));
memset(link, 0, sizeof(struct dev_link_t));
lp = dev->priv;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
link->io.NumPorts1 = 16;
link->io.IOAddrLines = 16;
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
link->irq.IRQInfo1 = IRQ_INFO2_VALID|IRQ_LEVEL_ID;
if (irq_list[0] == -1)
link->irq.IRQInfo2 = irq_mask;
else
for (i = 0; i < 4; i++)
link->irq.IRQInfo2 |= 1 << irq_list[i];
link->conf.Attributes = CONF_ENABLE_IRQ;
link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
link->conf.Present = PRESENT_OPTION;
link->irq.Instance = info->dev = dev;
link->priv = info;
/* Register with Card Services */
link->next = dev_list;
dev_list = link;
client_reg.dev_info = &dev_info;
client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
client_reg.EventMask =
CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
client_reg.event_handler = &com20020_event;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
ret = CardServices(RegisterClient, &link->handle, &client_reg);
if (ret != 0) {
cs_error(link->handle, RegisterClient, ret);
com20020_detach(link);
return NULL;
}
return link;
fail_alloc_dev:
kfree(info);
fail_alloc_info:
kfree(link);
return NULL;
} /* com20020_attach */