]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/net/wireless/spectrum_cs.c
Merge git://oss.sgi.com:8090/oss/git/xfs-2.6
[linux-2.6-omap-h63xx.git] / drivers / net / wireless / spectrum_cs.c
index b1bbc8e8e91f432e9e46cb44b969cbc70e550bc1..fee4be1ce810af9528ee1ad802513504d10005c9 100644 (file)
@@ -56,17 +56,6 @@ static int ignore_cis_vcc; /* = 0 */
 module_param(ignore_cis_vcc, int, 0);
 MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket");
 
-/********************************************************************/
-/* Magic constants                                                 */
-/********************************************************************/
-
-/*
- * 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 = DRIVER_NAME;
-
 /********************************************************************/
 /* Data structures                                                 */
 /********************************************************************/
@@ -78,19 +67,12 @@ struct orinoco_pccard {
        dev_node_t node;
 };
 
-/*
- * A linked list of "instances" of the 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 */
-
 /********************************************************************/
 /* Function prototypes                                             */
 /********************************************************************/
 
+static void spectrum_cs_config(dev_link_t *link);
 static void spectrum_cs_release(dev_link_t *link);
-static void spectrum_cs_detach(dev_link_t *link);
 
 /********************************************************************/
 /* Firmware downloader                                             */
@@ -601,19 +583,17 @@ spectrum_cs_hard_reset(struct orinoco_private *priv)
  * The dev_link structure is initialized, but we don't actually
  * configure the card at this point -- we wait until we receive a card
  * insertion event.  */
-static dev_link_t *
-spectrum_cs_attach(void)
+static int
+spectrum_cs_attach(struct pcmcia_device *p_dev)
 {
        struct net_device *dev;
        struct orinoco_private *priv;
        struct orinoco_pccard *card;
        dev_link_t *link;
-       client_reg_t client_reg;
-       int ret;
 
        dev = alloc_orinocodev(sizeof(*card), spectrum_cs_hard_reset);
        if (! dev)
-               return NULL;
+               return -ENOMEM;
        priv = netdev_priv(dev);
        card = priv->card;
 
@@ -635,23 +615,13 @@ spectrum_cs_attach(void)
        link->conf.Attributes = 0;
        link->conf.IntType = INT_MEMORY_AND_IO;
 
-       /* Register with Card Services */
-       /* FIXME: need a lock? */
-       link->next = dev_list;
-       dev_list = link;
+       link->handle = p_dev;
+       p_dev->instance = link;
 
-       client_reg.dev_info = &dev_info;
-       client_reg.Version = 0x0210; /* FIXME: what does this mean? */
-       client_reg.event_callback_args.client_data = link;
+       link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+       spectrum_cs_config(link);
 
-       ret = pcmcia_register_client(&link->handle, &client_reg);
-       if (ret != CS_SUCCESS) {
-               cs_error(link->handle, RegisterClient, ret);
-               spectrum_cs_detach(link);
-               return NULL;
-       }
-
-       return link;
+       return 0;
 }                              /* spectrum_cs_attach */
 
 /*
@@ -660,27 +630,14 @@ spectrum_cs_attach(void)
  * are freed.  Otherwise, the structures will be freed when the device
  * is released.
  */
-static void spectrum_cs_detach(dev_link_t *link)
+static void spectrum_cs_detach(struct pcmcia_device *p_dev)
 {
-       dev_link_t **linkp;
+       dev_link_t *link = dev_to_instance(p_dev);
        struct net_device *dev = link->priv;
 
-       /* Locate device structure */
-       for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-               if (*linkp == link)
-                       break;
-
-       BUG_ON(*linkp == NULL);
-
        if (link->state & DEV_CONFIG)
                spectrum_cs_release(link);
 
-       /* Break the link with Card Services */
-       if (link->handle)
-               pcmcia_deregister_client(link->handle);
-
-       /* Unlink device structure, and free it */
-       *linkp = link->next;
        DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev);
        if (link->dev) {
                DEBUG(0, PFX "About to unregister net device %p\n",
@@ -948,82 +905,56 @@ spectrum_cs_release(dev_link_t *link)
                ioport_unmap(priv->hw.iobase);
 }                              /* spectrum_cs_release */
 
-/*
- * The card status event handler.  Mostly, this schedules other stuff
- * to run after an event is received.
- */
+
 static int
-spectrum_cs_event(event_t event, int priority,
-                      event_callback_args_t * args)
+spectrum_cs_suspend(struct pcmcia_device *p_dev)
 {
-       dev_link_t *link = args->client_data;
+       dev_link_t *link = dev_to_instance(p_dev);
        struct net_device *dev = link->priv;
        struct orinoco_private *priv = netdev_priv(dev);
-       int err = 0;
        unsigned long flags;
+       int err = 0;
 
-       switch (event) {
-       case CS_EVENT_CARD_REMOVAL:
-               link->state &= ~DEV_PRESENT;
-               if (link->state & DEV_CONFIG) {
-                       unsigned long flags;
+       link->state |= DEV_SUSPEND;
+       /* Mark the device as stopped, to block IO until later */
+       if (link->state & DEV_CONFIG) {
+               spin_lock_irqsave(&priv->lock, flags);
 
-                       spin_lock_irqsave(&priv->lock, flags);
-                       netif_device_detach(dev);
-                       priv->hw_unavailable++;
-                       spin_unlock_irqrestore(&priv->lock, flags);
-               }
-               break;
+               err = __orinoco_down(dev);
+               if (err)
+                       printk(KERN_WARNING "%s: Error %d downing interface\n",
+                              dev->name, err);
 
-       case CS_EVENT_CARD_INSERTION:
-               link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-               spectrum_cs_config(link);
-               break;
+               netif_device_detach(dev);
+               priv->hw_unavailable++;
 
-       case CS_EVENT_PM_SUSPEND:
-               link->state |= DEV_SUSPEND;
-               /* Fall through... */
-       case CS_EVENT_RESET_PHYSICAL:
-               /* Mark the device as stopped, to block IO until later */
-               if (link->state & DEV_CONFIG) {
-                       /* This is probably racy, but I can't think of
-                           a better way, short of rewriting the PCMCIA
-                           layer to not suck :-( */
-                       spin_lock_irqsave(&priv->lock, flags);
-
-                       err = __orinoco_down(dev);
-                       if (err)
-                               printk(KERN_WARNING "%s: %s: Error %d downing interface\n",
-                                      dev->name,
-                                      event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL",
-                                      err);
-
-                       netif_device_detach(dev);
-                       priv->hw_unavailable++;
-
-                       spin_unlock_irqrestore(&priv->lock, flags);
-
-                       pcmcia_release_configuration(link->handle);
-               }
-               break;
+               spin_unlock_irqrestore(&priv->lock, flags);
 
-       case CS_EVENT_PM_RESUME:
-               link->state &= ~DEV_SUSPEND;
-               /* Fall through... */
-       case CS_EVENT_CARD_RESET:
-               if (link->state & DEV_CONFIG) {
-                       /* FIXME: should we double check that this is
-                        * the same card as we had before */
-                       pcmcia_request_configuration(link->handle, &link->conf);
-                       netif_device_attach(dev);
-                       priv->hw_unavailable--;
-                       schedule_work(&priv->reset_work);
-               }
-               break;
+               pcmcia_release_configuration(link->handle);
+       }
+
+       return 0;
+}
+
+static int
+spectrum_cs_resume(struct pcmcia_device *p_dev)
+{
+       dev_link_t *link = dev_to_instance(p_dev);
+       struct net_device *dev = link->priv;
+       struct orinoco_private *priv = netdev_priv(dev);
+
+       link->state &= ~DEV_SUSPEND;
+       if (link->state & DEV_CONFIG) {
+               /* FIXME: should we double check that this is
+                * the same card as we had before */
+               pcmcia_request_configuration(link->handle, &link->conf);
+               netif_device_attach(dev);
+               priv->hw_unavailable--;
+               schedule_work(&priv->reset_work);
        }
+       return 0;
+}
 
-       return err;
-}                              /* spectrum_cs_event */
 
 /********************************************************************/
 /* Module initialization                                           */
@@ -1048,9 +979,10 @@ static struct pcmcia_driver orinoco_driver = {
        .drv            = {
                .name   = DRIVER_NAME,
        },
-       .attach         = spectrum_cs_attach,
-       .detach         = spectrum_cs_detach,
-       .event          = spectrum_cs_event,
+       .probe          = spectrum_cs_attach,
+       .remove         = spectrum_cs_detach,
+       .suspend        = spectrum_cs_suspend,
+       .resume         = spectrum_cs_resume,
        .id_table       = spectrum_cs_ids,
 };
 
@@ -1066,7 +998,6 @@ static void __exit
 exit_spectrum_cs(void)
 {
        pcmcia_unregister_driver(&orinoco_driver);
-       BUG_ON(dev_list != NULL);
 }
 
 module_init(init_spectrum_cs);