diff options
Diffstat (limited to 'drivers/usb/host/sl811_cs.c')
| -rw-r--r-- | drivers/usb/host/sl811_cs.c | 115 |
1 files changed, 35 insertions, 80 deletions
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c index e73faf831b2..466384d7c79 100644 --- a/drivers/usb/host/sl811_cs.c +++ b/drivers/usb/host/sl811_cs.c @@ -38,7 +38,7 @@ MODULE_LICENSE("GPL"); /* MACROS */ /*====================================================================*/ -#if defined(DEBUG) || defined(CONFIG_USB_DEBUG) || defined(PCMCIA_DEBUG) +#if defined(DEBUG) || defined(PCMCIA_DEBUG) static int pc_debug = 0; module_param(pc_debug, int, 0644); @@ -66,13 +66,13 @@ module_param(pc_debug, int, 0644); static const char driver_name[DEV_NAME_LEN] = "sl811_cs"; -static dev_link_t *dev_list = NULL; - typedef struct local_info_t { dev_link_t link; dev_node_t node; } local_info_t; +static void sl811_cs_release(dev_link_t * link); + /*====================================================================*/ static void release_platform_dev(struct device * dev) @@ -129,7 +129,8 @@ static int sl811_hc_init(struct device *parent, ioaddr_t base_addr, int irq) resources[2].end = base_addr + 1; /* The driver core will probe for us. We know sl811-hcd has been - * initialized already because of the link order dependency. + * initialized already because of the link order dependency created + * by referencing "sl811h_driver". */ platform_dev.name = sl811h_driver.name; return platform_device_register(&platform_dev); @@ -137,26 +138,16 @@ static int sl811_hc_init(struct device *parent, ioaddr_t base_addr, int irq) /*====================================================================*/ -static void sl811_cs_detach(dev_link_t *link) +static void sl811_cs_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; + dev_link_t *link = dev_to_instance(p_dev); DBG(0, "sl811_cs_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) { - if (*linkp == link) - break; - } - if (*linkp == NULL) - return; - - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); + link->state &= ~DEV_PRESENT; + if (link->state & DEV_CONFIG) + sl811_cs_release(link); - /* Unlink device structure, and free it */ - *linkp = link->next; /* This points to the parent local_info_t struct */ kfree(link->priv); } @@ -166,13 +157,6 @@ static void sl811_cs_release(dev_link_t * link) DBG(0, "sl811_cs_release(0x%p)\n", link); - if (link->open) { - DBG(1, "sl811_cs: release postponed, '%s' still open\n", - link->dev->dev_name); - link->state |= DEV_STALE_CONFIG; - return; - } - /* Unlink the device chain */ link->dev = NULL; @@ -183,9 +167,6 @@ static void sl811_cs_release(dev_link_t * link) if (link->irq.AssignedIRQ) pcmcia_release_irq(link->handle, &link->irq); link->state &= ~DEV_CONFIG; - - if (link->state & DEV_STALE_LINK) - sl811_cs_detach(link); } static void sl811_cs_config(dev_link_t *link) @@ -322,55 +303,36 @@ cs_failed: } } -static int -sl811_cs_event(event_t event, int priority, event_callback_args_t *args) +static int sl811_suspend(struct pcmcia_device *dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(dev); - DBG(1, "sl811_cs_event(0x%06x)\n", event); + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) + pcmcia_release_configuration(link->handle); - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - sl811_cs_release(link); - break; + return 0; +} - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - sl811_cs_config(link); - break; +static int sl811_resume(struct pcmcia_device *dev) +{ + dev_link_t *link = dev_to_instance(dev); - 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; + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) + pcmcia_request_configuration(link->handle, &link->conf); - 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); - DBG(0, "reset sl811-hcd here?\n"); - break; - } return 0; } -static dev_link_t *sl811_cs_attach(void) +static int sl811_cs_attach(struct pcmcia_device *p_dev) { local_info_t *local; dev_link_t *link; - client_reg_t client_reg; - int ret; local = kmalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) - return NULL; + return -ENOMEM; memset(local, 0, sizeof(local_info_t)); link = &local->link; link->priv = local; @@ -384,21 +346,13 @@ static dev_link_t *sl811_cs_attach(void) link->conf.Vcc = 33; link->conf.IntType = INT_MEMORY_AND_IO; - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = (dev_info_t *) &driver_name; - client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - sl811_cs_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; - return link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + sl811_cs_config(link); + + return 0; } static struct pcmcia_device_id sl811_ids[] = { @@ -412,10 +366,11 @@ static struct pcmcia_driver sl811_cs_driver = { .drv = { .name = (char *)driver_name, }, - .attach = sl811_cs_attach, - .event = sl811_cs_event, - .detach = sl811_cs_detach, + .probe = sl811_cs_attach, + .remove = sl811_cs_detach, .id_table = sl811_ids, + .suspend = sl811_suspend, + .resume = sl811_resume, }; /*====================================================================*/ |