diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/airo_cs.c | 33 | ||||
| -rw-r--r-- | drivers/net/wireless/atmel_cs.c | 33 | ||||
| -rw-r--r-- | drivers/net/wireless/hostap/hostap_cs.c | 20 | ||||
| -rw-r--r-- | drivers/net/wireless/netwave_cs.c | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/orinoco_cs.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/ray_cs.c | 98 | ||||
| -rw-r--r-- | drivers/net/wireless/spectrum_cs.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/wavelan_cs.c | 46 | ||||
| -rw-r--r-- | drivers/net/wireless/wl3501.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/wl3501_cs.c | 61 |
10 files changed, 108 insertions, 246 deletions
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index 2216c04..836c71f 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -143,22 +143,14 @@ typedef struct local_info_t { static int airo_attach(struct pcmcia_device *p_dev) { - dev_link_t *link; local_info_t *local; 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 -ENOMEM; - } - /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = NULL; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = NULL; /* General socket configuration defaults can go here. In this @@ -167,23 +159,19 @@ static int airo_attach(struct pcmcia_device *p_dev) and attributes of IO windows) are fixed by the nature of the device, and can be hard-wired here. */ - link->conf.Attributes = 0; - link->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.Attributes = 0; + p_dev->conf.IntType = INT_MEMORY_AND_IO; /* Allocate space for private device-specific data */ local = kzalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { printk(KERN_ERR "airo_cs: no memory for new device\n"); - kfree (link); return -ENOMEM; } - link->priv = local; - - link->handle = p_dev; - p_dev->instance = link; + p_dev->priv = local; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - airo_config(link); + p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + airo_config(p_dev); return 0; } /* airo_attach */ @@ -212,7 +200,6 @@ static void airo_detach(struct pcmcia_device *p_dev) ((local_info_t*)link->priv)->eth_dev = NULL; kfree(link->priv); - kfree(link); } /* airo_detach */ /*====================================================================== @@ -378,11 +365,11 @@ static void airo_config(dev_link_t *link) /* At this point, the dev_node_t structure(s) need to be - initialized and arranged in a linked list at link->dev. + initialized and arranged in a linked list at link->dev_node. */ strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); dev->node.major = dev->node.minor = 0; - link->dev = &dev->node; + link->dev_node = &dev->node; /* Finally, report what we've done */ printk(KERN_INFO "%s: index 0x%02x: ", diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index 53fdaa2..522bbed 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -154,22 +154,14 @@ typedef struct local_info_t { static int atmel_attach(struct pcmcia_device *p_dev) { - dev_link_t *link; local_info_t *local; DEBUG(0, "atmel_attach()\n"); - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) { - printk(KERN_ERR "atmel_cs: no memory for new device\n"); - return -ENOMEM; - } - /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = NULL; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = NULL; /* General socket configuration defaults can go here. In this @@ -178,23 +170,19 @@ static int atmel_attach(struct pcmcia_device *p_dev) and attributes of IO windows) are fixed by the nature of the device, and can be hard-wired here. */ - link->conf.Attributes = 0; - link->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.Attributes = 0; + p_dev->conf.IntType = INT_MEMORY_AND_IO; /* Allocate space for private device-specific data */ local = kzalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { printk(KERN_ERR "atmel_cs: no memory for new device\n"); - kfree (link); return -ENOMEM; } - link->priv = local; - - link->handle = p_dev; - p_dev->instance = link; + p_dev->priv = local; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - atmel_config(link); + p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + atmel_config(p_dev); return 0; } /* atmel_attach */ @@ -218,7 +206,6 @@ static void atmel_detach(struct pcmcia_device *p_dev) atmel_release(link); kfree(link->priv); - kfree(link); } /*====================================================================== @@ -387,11 +374,11 @@ static void atmel_config(dev_link_t *link) /* At this point, the dev_node_t structure(s) need to be - initialized and arranged in a linked list at link->dev. + initialized and arranged in a linked list at link->dev_node. */ strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); dev->node.major = dev->node.minor = 0; - link->dev = &dev->node; + link->dev_node = &dev->node; link->state &= ~DEV_CONFIG_PENDING; return; diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index 69024bfb..e3095a8 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -503,22 +503,11 @@ static struct prism2_helper_functions prism2_pccard_funcs = * initialize dev_link structure, but do not configure the card yet */ static int prism2_attach(struct pcmcia_device *p_dev) { - dev_link_t *link; - - link = kmalloc(sizeof(dev_link_t), GFP_KERNEL); - if (link == NULL) - return -ENOMEM; - - memset(link, 0, sizeof(dev_link_t)); - PDEBUG(DEBUG_HW, "%s: setting Vcc=33 (constant)\n", dev_info); - link->conf.IntType = INT_MEMORY_AND_IO; - - link->handle = p_dev; - p_dev->instance = link; + p_dev->conf.IntType = INT_MEMORY_AND_IO; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - if (prism2_config(link)) + p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + if (prism2_config(p_dev)) PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); return 0; @@ -546,7 +535,6 @@ static void prism2_detach(struct pcmcia_device *p_dev) prism2_free_local_data(dev); kfree(hw_priv); } - kfree(link); } @@ -713,7 +701,7 @@ static int prism2_config(dev_link_t *link) local->hw_priv = hw_priv; hw_priv->link = link; strcpy(hw_priv->node.dev_name, dev->name); - link->dev = &hw_priv->node; + link->dev_node = &hw_priv->node; /* * Allocate an interrupt line. Note that this does not assign a diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c index 23d6b33..68dfe68 100644 --- a/drivers/net/wireless/netwave_cs.c +++ b/drivers/net/wireless/netwave_cs.c @@ -268,7 +268,7 @@ struct site_survey { }; typedef struct netwave_private { - dev_link_t link; + struct pcmcia_device *p_dev; spinlock_t spinlock; /* Serialize access to the hardware (SMP) */ dev_node_t node; u_char __iomem *ramBase; @@ -378,9 +378,9 @@ static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev) */ static int netwave_attach(struct pcmcia_device *p_dev) { - dev_link_t *link; struct net_device *dev; netwave_private *priv; + dev_link_t *link = dev_to_instance(p_dev); DEBUG(0, "netwave_attach()\n"); @@ -389,7 +389,7 @@ static int netwave_attach(struct pcmcia_device *p_dev) if (!dev) return -ENOMEM; priv = netdev_priv(dev); - link = &priv->link; + priv->p_dev = p_dev; link->priv = dev; /* The io structure describes IO port mapping */ @@ -429,9 +429,6 @@ static int netwave_attach(struct pcmcia_device *p_dev) dev->stop = &netwave_close; link->irq.Instance = dev; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; netwave_pcmcia_config( link); @@ -456,7 +453,7 @@ static void netwave_detach(struct pcmcia_device *p_dev) if (link->state & DEV_CONFIG) netwave_release(link); - if (link->dev) + if (link->dev_node) unregister_netdev(dev); free_netdev(dev); @@ -830,7 +827,7 @@ static void netwave_pcmcia_config(dev_link_t *link) { } strcpy(priv->node.dev_name, dev->name); - link->dev = &priv->node; + link->dev_node = &priv->node; link->state &= ~DEV_CONFIG_PENDING; /* Reset card before reading physical address */ @@ -1103,7 +1100,7 @@ static irqreturn_t netwave_interrupt(int irq, void* dev_id, struct pt_regs *regs u_char __iomem *ramBase; struct net_device *dev = (struct net_device *)dev_id; struct netwave_private *priv = netdev_priv(dev); - dev_link_t *link = &priv->link; + dev_link_t *link = priv->p_dev; int i; if (!netif_device_present(dev)) @@ -1357,7 +1354,7 @@ static int netwave_rx(struct net_device *dev) static int netwave_open(struct net_device *dev) { netwave_private *priv = netdev_priv(dev); - dev_link_t *link = &priv->link; + dev_link_t *link = priv->p_dev; DEBUG(1, "netwave_open: starting.\n"); @@ -1374,7 +1371,7 @@ static int netwave_open(struct net_device *dev) { static int netwave_close(struct net_device *dev) { netwave_private *priv = netdev_priv(dev); - dev_link_t *link = &priv->link; + dev_link_t *link = priv->p_dev; DEBUG(1, "netwave_close: finishing.\n"); diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index 75981d8..f10d97b 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -49,7 +49,7 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket /* PCMCIA specific device information (goes in the card field of * struct orinoco_private */ struct orinoco_pccard { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; /* Used to handle hard reset */ @@ -75,7 +75,7 @@ static int orinoco_cs_hard_reset(struct orinoco_private *priv) { struct orinoco_pccard *card = priv->card; - dev_link_t *link = &card->link; + dev_link_t *link = card->p_dev; int err; /* We need atomic ops here, because we're not holding the lock */ @@ -109,7 +109,7 @@ orinoco_cs_attach(struct pcmcia_device *p_dev) struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; - dev_link_t *link; + dev_link_t *link = dev_to_instance(p_dev); dev = alloc_orinocodev(sizeof(*card), orinoco_cs_hard_reset); if (! dev) @@ -118,7 +118,7 @@ orinoco_cs_attach(struct pcmcia_device *p_dev) card = priv->card; /* Link both structures together */ - link = &card->link; + card->p_dev = p_dev; link->priv = dev; /* Interrupt setup */ @@ -135,12 +135,6 @@ orinoco_cs_attach(struct pcmcia_device *p_dev) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - /* Register with Card Services */ - link->next = NULL; - - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; orinoco_cs_config(link); @@ -161,8 +155,8 @@ static void orinoco_cs_detach(struct pcmcia_device *p_dev) if (link->state & DEV_CONFIG) orinoco_cs_release(link); - DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev); - if (link->dev) { + DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); + if (link->dev_node) { DEBUG(0, PFX "About to unregister net device %p\n", dev); unregister_netdev(dev); @@ -364,9 +358,9 @@ orinoco_cs_config(dev_link_t *link) } /* At this point, the dev_node_t structure(s) needs to be - * initialized and arranged in a linked list at link->dev. */ + * initialized and arranged in a linked list at link->dev_node. */ strcpy(card->node.dev_name, dev->name); - link->dev = &card->node; /* link->dev being non-NULL is also + link->dev_node = &card->node; /* link->dev_node being non-NULL is also used to indicate that the net_device has been registered */ link->state &= ~DEV_CONFIG_PENDING; diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 7d95587d..6029746 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -190,12 +190,6 @@ static int bc; static char *phy_addr = NULL; -/* A linked list of "instances" of the ray device. Each actual - PCMCIA card corresponds to one device instance, and is described - by one dev_link_t structure (defined in ds.h). -*/ -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 @@ -204,6 +198,9 @@ static dev_link_t *dev_list = NULL; */ static unsigned int ray_mem_speed = 500; +/* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ +static struct pcmcia_device *this_device = NULL; + MODULE_AUTHOR("Corey Thomas <corey@world.std.com>"); MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver"); MODULE_LICENSE("GPL"); @@ -308,53 +305,44 @@ static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world. =============================================================================*/ static int ray_attach(struct pcmcia_device *p_dev) { - dev_link_t *link; ray_dev_t *local; struct net_device *dev; - - DEBUG(1, "ray_attach()\n"); - - /* Initialize the dev_link_t structure */ - link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) - return -ENOMEM; + DEBUG(1, "ray_attach()\n"); /* Allocate space for private device-specific data */ dev = alloc_etherdev(sizeof(ray_dev_t)); - if (!dev) goto fail_alloc_dev; local = dev->priv; - - memset(link, 0, sizeof(struct dev_link_t)); + local->finder = p_dev; /* The io structure describes IO port mapping. None used here */ - link->io.NumPorts1 = 0; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - link->io.IOAddrLines = 5; + p_dev->io.NumPorts1 = 0; + p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + p_dev->io.IOAddrLines = 5; /* Interrupt setup. For PCMCIA, driver takes what's given */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = &ray_interrupt; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = &ray_interrupt; /* General socket configuration */ - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; + p_dev->conf.Attributes = CONF_ENABLE_IRQ; + p_dev->conf.IntType = INT_MEMORY_AND_IO; + p_dev->conf.ConfigIndex = 1; + p_dev->conf.Present = PRESENT_OPTION; - link->priv = dev; - link->irq.Instance = dev; + p_dev->priv = dev; + p_dev->irq.Instance = dev; - local->finder = link; + local->finder = p_dev; local->card_status = CARD_INSERTED; local->authentication_state = UNAUTHENTICATED; local->num_multi = 0; - DEBUG(2,"ray_attach link = %p, dev = %p, local = %p, intr = %p\n", - link,dev,local,&ray_interrupt); + DEBUG(2,"ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", + p_dev,dev,local,&ray_interrupt); /* Raylink entries in the device structure */ dev->hard_start_xmit = &ray_dev_start_xmit; @@ -378,16 +366,13 @@ static int ray_attach(struct pcmcia_device *p_dev) init_timer(&local->timer); - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - ray_config(link); + p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + this_device = p_dev; + ray_config(p_dev); return 0; fail_alloc_dev: - kfree(link); return -ENOMEM; } /* ray_attach */ /*============================================================================= @@ -399,18 +384,12 @@ fail_alloc_dev: static void ray_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); - dev_link_t **linkp; struct net_device *dev; ray_dev_t *local; DEBUG(1, "ray_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; + this_device = NULL; dev = link->priv; if (link->state & DEV_CONFIG) { @@ -420,13 +399,10 @@ static void ray_detach(struct pcmcia_device *p_dev) del_timer(&local->timer); } - /* Unlink device structure, free pieces */ - *linkp = link->next; if (link->priv) { - if (link->dev) unregister_netdev(dev); + if (link->dev_node) unregister_netdev(dev); free_netdev(dev); } - kfree(link); DEBUG(2,"ray_cs ray_detach ending\n"); } /* ray_detach */ /*============================================================================= @@ -537,7 +513,7 @@ static void ray_config(dev_link_t *link) } strcpy(local->node.dev_name, dev->name); - link->dev = &local->node; + link->dev_node = &local->node; link->state &= ~DEV_CONFIG_PENDING; printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ", @@ -1640,18 +1616,14 @@ static const struct iw_handler_def ray_handler_def = /*===========================================================================*/ static int ray_open(struct net_device *dev) { - dev_link_t *link; ray_dev_t *local = (ray_dev_t *)dev->priv; + dev_link_t *link; + link = local->finder; DEBUG(1, "ray_open('%s')\n", dev->name); - for (link = dev_list; link; link = link->next) - if (link->priv == dev) break; - if (!DEV_OK(link)) { - return -ENODEV; - } - - if (link->open == 0) local->num_multi = 0; + if (link->open == 0) + local->num_multi = 0; link->open++; /* If the card is not started, time to start it ! - Jean II */ @@ -1678,15 +1650,12 @@ static int ray_open(struct net_device *dev) /*===========================================================================*/ static int ray_dev_close(struct net_device *dev) { + ray_dev_t *local = (ray_dev_t *)dev->priv; dev_link_t *link; + link = local->finder; DEBUG(1, "ray_dev_close('%s')\n", dev->name); - for (link = dev_list; link; link = link->next) - if (link->priv == dev) break; - if (link == NULL) - return -ENODEV; - link->open--; netif_stop_queue(dev); @@ -2679,7 +2648,7 @@ static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len) struct freq_hop_element *pfh; UCHAR c[33]; - link = dev_list; + link = this_device; if (!link) return 0; dev = (struct net_device *)link->priv; @@ -2923,7 +2892,6 @@ static void __exit exit_ray_cs(void) #endif pcmcia_unregister_driver(&ray_driver); - BUG_ON(dev_list != NULL); } /* exit_ray_cs */ module_init(init_ray_cs); diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index 7a4a80b..be36679 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -63,7 +63,7 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket /* PCMCIA specific device information (goes in the card field of * struct orinoco_private */ struct orinoco_pccard { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; }; @@ -554,12 +554,12 @@ static int spectrum_cs_hard_reset(struct orinoco_private *priv) { struct orinoco_pccard *card = priv->card; - dev_link_t *link = &card->link; + dev_link_t *link = card->p_dev; int err; if (!hermes_present(&priv->hw)) { /* The firmware needs to be reloaded */ - if (spectrum_dl_firmware(&priv->hw, &card->link) != 0) { + if (spectrum_dl_firmware(&priv->hw, link) != 0) { printk(KERN_ERR PFX "Firmware download failed\n"); err = -ENODEV; } @@ -589,7 +589,7 @@ spectrum_cs_attach(struct pcmcia_device *p_dev) struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; - dev_link_t *link; + dev_link_t *link = dev_to_instance(p_dev); dev = alloc_orinocodev(sizeof(*card), spectrum_cs_hard_reset); if (! dev) @@ -598,7 +598,7 @@ spectrum_cs_attach(struct pcmcia_device *p_dev) card = priv->card; /* Link both structures together */ - link = &card->link; + card->p_dev = p_dev; link->priv = dev; /* Interrupt setup */ @@ -615,9 +615,6 @@ spectrum_cs_attach(struct pcmcia_device *p_dev) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; spectrum_cs_config(link); @@ -638,8 +635,8 @@ static void spectrum_cs_detach(struct pcmcia_device *p_dev) if (link->state & DEV_CONFIG) spectrum_cs_release(link); - DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev); - if (link->dev) { + DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); + if (link->dev_node) { DEBUG(0, PFX "About to unregister net device %p\n", dev); unregister_netdev(dev); @@ -842,9 +839,9 @@ spectrum_cs_config(dev_link_t *link) } /* At this point, the dev_node_t structure(s) needs to be - * initialized and arranged in a linked list at link->dev. */ + * initialized and arranged in a linked list at link->dev_node. */ strcpy(card->node.dev_name, dev->name); - link->dev = &card->node; /* link->dev being non-NULL is also + link->dev_node = &card->node; /* link->dev_node being non-NULL is also used to indicate that the net_device has been registered */ link->state &= ~DEV_CONFIG_PENDING; diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index daa17dc..baa1011 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -4081,7 +4081,7 @@ wv_pcmcia_config(dev_link_t * link) } strcpy(((net_local *) netdev_priv(dev))->node.dev_name, dev->name); - link->dev = &((net_local *) netdev_priv(dev))->node; + link->dev_node = &((net_local *) netdev_priv(dev))->node; #ifdef DEBUG_CONFIG_TRACE printk(KERN_DEBUG "<-wv_pcmcia_config()\n"); @@ -4583,7 +4583,6 @@ wavelan_close(struct net_device * dev) static int wavelan_attach(struct pcmcia_device *p_dev) { - dev_link_t * link; /* Info for cardmgr */ struct net_device * dev; /* Interface generic data */ net_local * lp; /* Interface specific data */ @@ -4591,34 +4590,26 @@ wavelan_attach(struct pcmcia_device *p_dev) printk(KERN_DEBUG "-> wavelan_attach()\n"); #endif - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) return -ENOMEM; - /* The io structure describes IO port mapping */ - link->io.NumPorts1 = 8; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - link->io.IOAddrLines = 3; + p_dev->io.NumPorts1 = 8; + p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + p_dev->io.IOAddrLines = 3; /* Interrupt setup */ - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = wavelan_interrupt; + p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; + p_dev->irq.Handler = wavelan_interrupt; /* General socket configuration */ - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.IntType = INT_MEMORY_AND_IO; - - /* Chain drivers */ - link->next = NULL; + p_dev->conf.Attributes = CONF_ENABLE_IRQ; + p_dev->conf.IntType = INT_MEMORY_AND_IO; /* Allocate the generic data structure */ dev = alloc_etherdev(sizeof(net_local)); - if (!dev) { - kfree(link); + if (!dev) return -ENOMEM; - } - link->priv = link->irq.Instance = dev; + + p_dev->priv = p_dev->irq.Instance = dev; lp = netdev_priv(dev); @@ -4635,7 +4626,6 @@ wavelan_attach(struct pcmcia_device *p_dev) spin_lock_init(&lp->spinlock); /* back links */ - lp->link = link; lp->dev = dev; /* wavelan NET3 callbacks */ @@ -4661,11 +4651,8 @@ wavelan_attach(struct pcmcia_device *p_dev) /* Other specific data */ dev->mtu = WAVELAN_MTU; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - if(wv_pcmcia_config(link) && + p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + if(wv_pcmcia_config(p_dev) && wv_hw_config(dev)) wv_init_info(dev); else @@ -4713,14 +4700,13 @@ wavelan_detach(struct pcmcia_device *p_dev) /* Remove ourselves from the kernel list of ethernet devices */ /* Warning : can't be called from interrupt, timer or wavelan_close() */ - if (link->dev) + if (link->dev_node) unregister_netdev(dev); - link->dev = NULL; + link->dev_node = NULL; ((net_local *)netdev_priv(dev))->link = NULL; ((net_local *)netdev_priv(dev))->dev = NULL; free_netdev(dev); } - kfree(link); #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "<- wavelan_detach()\n"); diff --git a/drivers/net/wireless/wl3501.h b/drivers/net/wireless/wl3501.h index 4303c50..65ceb08 100644 --- a/drivers/net/wireless/wl3501.h +++ b/drivers/net/wireless/wl3501.h @@ -611,5 +611,6 @@ struct wl3501_card { struct iw_spy_data spy_data; struct iw_public_data wireless_data; struct dev_node_t node; + struct pcmcia_device *p_dev; }; #endif diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 393b5cb..4b054f5 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -226,17 +226,6 @@ static void iw_copy_mgmt_info_element(struct iw_mgmt_info_element *to, iw_set_mgmt_info_element(from->id, to, from->data, from->len); } -/* - * A linked list of "instances" of the wl24 device. Each actual PCMCIA card - * corresponds to one device instance, and is described by one dev_link_t - * structure (defined in ds.h). - * - * You may not want to use a linked list for this -- for example, the memory - * card driver uses an array of dev_link_t pointers, where minor device numbers - * are used to derive the corresponding array index. - */ -static dev_link_t *wl3501_dev_list; - static inline void wl3501_switch_page(struct wl3501_card *this, u8 page) { wl3501_outb(page, this->base_addr + WL3501_NIC_BSS); @@ -1282,14 +1271,9 @@ static int wl3501_close(struct net_device *dev) int rc = -ENODEV; unsigned long flags; dev_link_t *link; + link = this->p_dev; spin_lock_irqsave(&this->lock, flags); - /* Check if the device is in wl3501_dev_list */ - for (link = wl3501_dev_list; link; link = link->next) - if (link->priv == dev) - break; - if (!link) - goto out; link->open--; /* Stop wl3501_hard_start_xmit() from now on */ @@ -1301,7 +1285,6 @@ static int wl3501_close(struct net_device *dev) rc = 0; printk(KERN_INFO "%s: WL3501 closed\n", dev->name); -out: spin_unlock_irqrestore(&this->lock, flags); return rc; } @@ -1401,12 +1384,9 @@ static int wl3501_open(struct net_device *dev) struct wl3501_card *this = dev->priv; unsigned long flags; dev_link_t *link; + link = this->p_dev; spin_lock_irqsave(&this->lock, flags); - /* Check if the device is in wl3501_dev_list */ - for (link = wl3501_dev_list; link; link = link->next) - if (link->priv == dev) - break; if (!DEV_OK(link)) goto out; netif_device_attach(dev); @@ -1500,16 +1480,8 @@ static struct ethtool_ops ops = { static void wl3501_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); - dev_link_t **linkp; struct net_device *dev = link->priv; - /* Locate device structure */ - for (linkp = &wl3501_dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (!*linkp) - goto out; - /* 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(). */ @@ -1522,13 +1494,9 @@ static void wl3501_detach(struct pcmcia_device *p_dev) wl3501_release(link); } - /* Unlink device structure, free pieces */ - *linkp = link->next; - if (link->priv) free_netdev(link->priv); - kfree(link); -out: + return; } @@ -1955,14 +1923,9 @@ static const struct iw_handler_def wl3501_handler_def = { */ static int wl3501_attach(struct pcmcia_device *p_dev) { - dev_link_t *link; struct net_device *dev; struct wl3501_card *this; - - /* Initialize the dev_link_t structure */ - link = kzalloc(sizeof(*link), GFP_KERNEL); - if (!link) - return -ENOMEM; + dev_link_t *link = dev_to_instance(p_dev); /* The io structure describes IO port mapping */ link->io.NumPorts1 = 16; @@ -1991,22 +1954,18 @@ static int wl3501_attach(struct pcmcia_device *p_dev) dev->get_stats = wl3501_get_stats; this = dev->priv; this->wireless_data.spy_data = &this->spy_data; + this->p_dev = p_dev; dev->wireless_data = &this->wireless_data; dev->wireless_handlers = (struct iw_handler_def *)&wl3501_handler_def; SET_ETHTOOL_OPS(dev, &ops); netif_stop_queue(dev); link->priv = link->irq.Instance = dev; - link->handle = p_dev; - p_dev->instance = link; - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - wl3501_config(link); + wl3501_config(p_dev); return 0; out_link: - kfree(link); - link = NULL; return -ENOMEM; } @@ -2087,9 +2046,9 @@ static void wl3501_config(dev_link_t *link) this = dev->priv; /* * At this point, the dev_node_t structure(s) should be initialized and - * arranged in a linked list at link->dev. + * arranged in a linked list at link->dev_node. */ - link->dev = &this->node; + link->dev_node = &this->node; link->state &= ~DEV_CONFIG_PENDING; this->base_addr = dev->base_addr; @@ -2148,7 +2107,7 @@ static void wl3501_release(dev_link_t *link) struct net_device *dev = link->priv; /* Unlink the device chain */ - if (link->dev) + if (link->dev_node) unregister_netdev(dev); pcmcia_disable_device(link->handle); @@ -2206,9 +2165,7 @@ static int __init wl3501_init_module(void) static void __exit wl3501_exit_module(void) { - dprintk(0, ": unloading"); pcmcia_unregister_driver(&wl3501_driver); - BUG_ON(wl3501_dev_list != NULL); } module_init(wl3501_init_module); |
