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author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /drivers/isdn/hisax/avma1_cs.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'drivers/isdn/hisax/avma1_cs.c')
-rw-r--r-- | drivers/isdn/hisax/avma1_cs.c | 150 |
1 files changed, 35 insertions, 115 deletions
diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c index 5f5a5ae7..969da40 100644 --- a/drivers/isdn/hisax/avma1_cs.c +++ b/drivers/isdn/hisax/avma1_cs.c @@ -69,8 +69,6 @@ module_param(isdnprot, int, 0); static void avma1cs_config(dev_link_t *link); static void avma1cs_release(dev_link_t *link); -static int avma1cs_event(event_t event, int priority, - event_callback_args_t *args); /* The attach() and detach() entry points are used to create and destroy @@ -78,16 +76,8 @@ static int avma1cs_event(event_t event, int priority, needed to manage one actual PCMCIA card. */ -static dev_link_t *avma1cs_attach(void); -static void avma1cs_detach(dev_link_t *); +static void avma1cs_detach(struct pcmcia_device *p_dev); -/* - The dev_info variable is the "key" that is used to match up this - device driver with appropriate cards, through the card configuration - database. -*/ - -static dev_info_t dev_info = "avma1_cs"; /* A linked list of "instances" of the skeleton device. Each actual @@ -99,15 +89,7 @@ static dev_info_t dev_info = "avma1_cs"; device numbers are used to derive the corresponding array index. */ -static dev_link_t *dev_list = NULL; - /* - A dev_link_t structure has fields for most things that are needed - to keep track of a socket, but there will usually be some device - specific information that also needs to be kept track of. The - 'priv' pointer in a dev_link_t structure can be used to point to - a device-specific private data structure, like this. - A driver needs to provide a dev_node_t structure for each device on a card. In some cases, there is only one device per card (for example, ethernet cards, modems). In other cases, there may be @@ -134,26 +116,24 @@ typedef struct local_info_t { ======================================================================*/ -static dev_link_t *avma1cs_attach(void) +static int avma1cs_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; local_info_t *local; - int ret; - + DEBUG(0, "avma1cs_attach()\n"); /* Initialize the dev_link_t structure */ link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) - return NULL; + return -ENOMEM; memset(link, 0, sizeof(struct dev_link_t)); /* Allocate space for private device-specific data */ local = kmalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { kfree(link); - return NULL; + return -ENOMEM; } memset(local, 0, sizeof(local_info_t)); link->priv = local; @@ -178,20 +158,13 @@ static dev_link_t *avma1cs_attach(void) link->conf.ConfigIndex = 1; link->conf.Present = PRESENT_OPTION; - /* 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); - avma1cs_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; - return link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + avma1cs_config(link); + + return 0; } /* avma1cs_attach */ /*====================================================================== @@ -203,42 +176,17 @@ static dev_link_t *avma1cs_attach(void) ======================================================================*/ -static void avma1cs_detach(dev_link_t *link) +static void avma1cs_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; + dev_link_t *link = dev_to_instance(p_dev); DEBUG(0, "avma1cs_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - /* - If the device is currently configured and active, we won't - actually delete it yet. Instead, it is marked so that when - the release() function is called, that will trigger a proper - detach(). - */ - if (link->state & DEV_CONFIG) { -#ifdef PCMCIA_DEBUG - printk(KERN_DEBUG "avma1_cs: detach postponed, '%s' " - "still locked\n", link->dev->dev_name); -#endif - link->state |= DEV_STALE_LINK; - return; - } + if (link->state & DEV_CONFIG) + avma1cs_release(link); - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free pieces */ - *linkp = link->next; kfree(link->priv); kfree(link); - } /* avma1cs_detach */ /*====================================================================== @@ -440,58 +388,30 @@ static void avma1cs_release(dev_link_t *link) pcmcia_release_io(link->handle, &link->io); pcmcia_release_irq(link->handle, &link->irq); link->state &= ~DEV_CONFIG; - - if (link->state & DEV_STALE_LINK) - avma1cs_detach(link); } /* avma1cs_release */ -/*====================================================================== +static int avma1cs_suspend(struct pcmcia_device *dev) +{ + dev_link_t *link = dev_to_instance(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) + pcmcia_release_configuration(link->handle); - When a CARD_REMOVAL event is received, we immediately set a flag - to block future accesses to this device. All the functions that - actually access the device should check this flag to make sure - the card is still present. - -======================================================================*/ + return 0; +} -static int avma1cs_event(event_t event, int priority, - event_callback_args_t *args) +static int avma1cs_resume(struct pcmcia_device *dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(dev); - DEBUG(1, "avma1cs_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - if (link->state & DEV_CONFIG) - avma1cs_release(link); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - avma1cs_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) pcmcia_request_configuration(link->handle, &link->conf); - break; - } - return 0; -} /* avma1cs_event */ + + return 0; +} + static struct pcmcia_device_id avma1cs_ids[] = { PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN A", 0x95d42008, 0xadc9d4bb), @@ -505,10 +425,11 @@ static struct pcmcia_driver avma1cs_driver = { .drv = { .name = "avma1_cs", }, - .attach = avma1cs_attach, - .event = avma1cs_event, - .detach = avma1cs_detach, + .probe = avma1cs_attach, + .remove = avma1cs_detach, .id_table = avma1cs_ids, + .suspend = avma1cs_suspend, + .resume = avma1cs_resume, }; /*====================================================================*/ @@ -521,7 +442,6 @@ static int __init init_avma1_cs(void) static void __exit exit_avma1_cs(void) { pcmcia_unregister_driver(&avma1cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_avma1_cs); |