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/spectrum_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/spectrum_cs.c')
-rw-r--r-- | drivers/net/wireless/spectrum_cs.c | 175 |
1 files changed, 53 insertions, 122 deletions
diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index b1bbc8e..fee4be1 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -57,17 +57,6 @@ 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); |