diff options
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/net/wireless/airo_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/net/wireless/airo_cs.c')
-rw-r--r-- | drivers/net/wireless/airo_cs.c | 161 |
1 files changed, 46 insertions, 115 deletions
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index e328547..a496460 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -82,8 +82,6 @@ MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); static void airo_config(dev_link_t *link); static void airo_release(dev_link_t *link); -static int airo_event(event_t event, int priority, - event_callback_args_t *args); /* The attach() and detach() entry points are used to create and destroy @@ -91,8 +89,7 @@ static int airo_event(event_t event, int priority, needed to manage one actual PCMCIA card. */ -static dev_link_t *airo_attach(void); -static void airo_detach(dev_link_t *); +static void airo_detach(struct pcmcia_device *p_dev); /* You'll also need to prototype all the functions that will actually @@ -102,14 +99,6 @@ static void airo_detach(dev_link_t *); */ /* - 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 = "airo_cs"; - -/* A linked list of "instances" of the aironet device. Each actual PCMCIA card corresponds to one device instance, and is described by one dev_link_t structure (defined in ds.h). @@ -119,15 +108,7 @@ static dev_info_t dev_info = "airo_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 @@ -160,20 +141,18 @@ typedef struct local_info_t { ======================================================================*/ -static dev_link_t *airo_attach(void) +static int airo_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; local_info_t *local; - int ret; - + DEBUG(0, "airo_attach()\n"); /* Initialize the dev_link_t structure */ link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) { printk(KERN_ERR "airo_cs: no memory for new device\n"); - return NULL; + return -ENOMEM; } /* Interrupt setup */ @@ -197,24 +176,17 @@ static dev_link_t *airo_attach(void) if (!local) { printk(KERN_ERR "airo_cs: no memory for new device\n"); kfree (link); - return NULL; + return -ENOMEM; } link->priv = local; - - /* 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); - airo_detach(link); - return NULL; - } - - return link; + + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + airo_config(link); + + return 0; } /* airo_attach */ /*====================================================================== @@ -226,37 +198,22 @@ static dev_link_t *airo_attach(void) ======================================================================*/ -static void airo_detach(dev_link_t *link) +static void airo_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; - + dev_link_t *link = dev_to_instance(p_dev); + DEBUG(0, "airo_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 (link->state & DEV_CONFIG) airo_release(link); - + if ( ((local_info_t*)link->priv)->eth_dev ) { stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 ); } - ((local_info_t*)link->priv)->eth_dev = NULL; - - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - - - /* Unlink device structure, free pieces */ - *linkp = link->next; + ((local_info_t*)link->priv)->eth_dev = NULL; + kfree(link->priv); kfree(link); - } /* airo_detach */ /*====================================================================== @@ -492,60 +449,34 @@ static void airo_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. +static int airo_suspend(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + local_info_t *local = link->priv; - When a CARD_REMOVAL event is received, we immediately set a - private 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. - - ======================================================================*/ + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + netif_device_detach(local->eth_dev); + pcmcia_release_configuration(link->handle); + } + + return 0; +} -static int airo_event(event_t event, int priority, - event_callback_args_t *args) +static int airo_resume(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); local_info_t *local = link->priv; - - DEBUG(1, "airo_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - airo_release(link); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - airo_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - 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) { - pcmcia_request_configuration(link->handle, &link->conf); - reset_airo_card(local->eth_dev); - netif_device_attach(local->eth_dev); - } - break; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + reset_airo_card(local->eth_dev); + netif_device_attach(local->eth_dev); } + return 0; -} /* airo_event */ +} static struct pcmcia_device_id airo_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a), @@ -561,10 +492,11 @@ static struct pcmcia_driver airo_driver = { .drv = { .name = "airo_cs", }, - .attach = airo_attach, - .event = airo_event, - .detach = airo_detach, + .probe = airo_attach, + .remove = airo_detach, .id_table = airo_ids, + .suspend = airo_suspend, + .resume = airo_resume, }; static int airo_cs_init(void) @@ -575,7 +507,6 @@ static int airo_cs_init(void) static void airo_cs_cleanup(void) { pcmcia_unregister_driver(&airo_driver); - BUG_ON(dev_list != NULL); } /* |