diff options
Diffstat (limited to 'drivers/net/pcmcia/com20020_cs.c')
-rw-r--r-- | drivers/net/pcmcia/com20020_cs.c | 142 |
1 files changed, 45 insertions, 97 deletions
diff --git a/drivers/net/pcmcia/com20020_cs.c b/drivers/net/pcmcia/com20020_cs.c index b9355d9498a3..2827a48ea37c 100644 --- a/drivers/net/pcmcia/com20020_cs.c +++ b/drivers/net/pcmcia/com20020_cs.c @@ -120,15 +120,8 @@ MODULE_LICENSE("GPL"); static void com20020_config(dev_link_t *link); static void com20020_release(dev_link_t *link); -static int com20020_event(event_t event, int priority, - event_callback_args_t *args); -static dev_info_t dev_info = "com20020_cs"; - -static dev_link_t *com20020_attach(void); -static void com20020_detach(dev_link_t *); - -static dev_link_t *dev_list; +static void com20020_detach(struct pcmcia_device *p_dev); /*====================================================================*/ @@ -145,21 +138,19 @@ typedef struct com20020_dev_t { ======================================================================*/ -static dev_link_t *com20020_attach(void) +static int com20020_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; com20020_dev_t *info; struct net_device *dev; - int 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; + return -ENOMEM; info = kmalloc(sizeof(struct com20020_dev_t), GFP_KERNEL); if (!info) @@ -191,30 +182,19 @@ static dev_link_t *com20020_attach(void) 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.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - com20020_detach(link); - return NULL; - } + link->state |= DEV_PRESENT; + com20020_config(link); - return link; + return 0; fail_alloc_dev: kfree(info); fail_alloc_info: kfree(link); - return NULL; + return -ENOMEM; } /* com20020_attach */ /*====================================================================== @@ -226,29 +206,21 @@ fail_alloc_info: ======================================================================*/ -static void com20020_detach(dev_link_t *link) +static void com20020_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct com20020_dev_t *info = link->priv; - dev_link_t **linkp; - struct net_device *dev; - + struct net_device *dev = info->dev; + DEBUG(1,"detach...\n"); DEBUG(0, "com20020_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - - dev = info->dev; - if (link->dev) { DEBUG(1,"unregister...\n"); unregister_netdev(dev); - + /* * this is necessary because we register our IRQ separately * from card services. @@ -260,12 +232,8 @@ static void com20020_detach(dev_link_t *link) if (link->state & DEV_CONFIG) com20020_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - /* Unlink device structure, free bits */ DEBUG(1,"unlinking...\n"); - *linkp = link->next; if (link->priv) { dev = info->dev; @@ -421,61 +389,41 @@ static void com20020_release(dev_link_t *link) link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING); } -/*====================================================================== +static int com20020_suspend(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + com20020_dev_t *info = link->priv; + struct net_device *dev = info->dev; - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if (link->open) { + netif_device_detach(dev); + } + pcmcia_release_configuration(link->handle); + } -======================================================================*/ + return 0; +} -static int com20020_event(event_t event, int priority, - event_callback_args_t *args) +static int com20020_resume(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - com20020_dev_t *info = link->priv; - struct net_device *dev = info->dev; + dev_link_t *link = dev_to_instance(p_dev); + com20020_dev_t *info = link->priv; + struct net_device *dev = info->dev; - DEBUG(1, "com20020_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT; - com20020_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - if (link->open) { - netif_device_detach(dev); - } - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: + link->state &= ~DEV_SUSPEND; if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - int ioaddr = dev->base_addr; - struct arcnet_local *lp = dev->priv; - ARCRESET; - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + int ioaddr = dev->base_addr; + struct arcnet_local *lp = dev->priv; + ARCRESET; + } } - break; - } - return 0; -} /* com20020_event */ + + return 0; +} static struct pcmcia_device_id com20020_ids[] = { PCMCIA_DEVICE_PROD_ID12("Contemporary Control Systems, Inc.", "PCM20 Arcnet Adapter", 0x59991666, 0x95dfffaf), @@ -488,10 +436,11 @@ static struct pcmcia_driver com20020_cs_driver = { .drv = { .name = "com20020_cs", }, - .attach = com20020_attach, - .event = com20020_event, - .detach = com20020_detach, + .probe = com20020_attach, + .remove = com20020_detach, .id_table = com20020_ids, + .suspend = com20020_suspend, + .resume = com20020_resume, }; static int __init init_com20020_cs(void) @@ -502,7 +451,6 @@ static int __init init_com20020_cs(void) static void __exit exit_com20020_cs(void) { pcmcia_unregister_driver(&com20020_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_com20020_cs); |