diff options
Diffstat (limited to 'drivers/serial/serial_cs.c')
| -rw-r--r-- | drivers/serial/serial_cs.c | 119 |
1 files changed, 22 insertions, 97 deletions
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 7ce0c7e66d370..96969cb960a92 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -114,15 +114,7 @@ struct serial_cfg_mem { static void serial_config(dev_link_t * link); -static int serial_event(event_t event, int priority, - event_callback_args_t * args); -static dev_info_t dev_info = "serial_cs"; - -static dev_link_t *serial_attach(void); -static void serial_detach(dev_link_t *); - -static dev_link_t *dev_list = NULL; /*====================================================================== @@ -159,8 +151,9 @@ static void serial_remove(dev_link_t *link) } } -static void serial_suspend(dev_link_t *link) +static int serial_suspend(struct pcmcia_device *dev) { + dev_link_t *link = dev_to_instance(dev); link->state |= DEV_SUSPEND; if (link->state & DEV_CONFIG) { @@ -173,10 +166,13 @@ static void serial_suspend(dev_link_t *link) if (!info->slave) pcmcia_release_configuration(link->handle); } + + return 0; } -static void serial_resume(dev_link_t *link) +static int serial_resume(struct pcmcia_device *dev) { + dev_link_t *link = dev_to_instance(dev); link->state &= ~DEV_SUSPEND; if (DEV_OK(link)) { @@ -189,6 +185,8 @@ static void serial_resume(dev_link_t *link) for (i = 0; i < info->ndev; i++) serial8250_resume_port(info->line[i]); } + + return 0; } /*====================================================================== @@ -199,19 +197,17 @@ static void serial_resume(dev_link_t *link) ======================================================================*/ -static dev_link_t *serial_attach(void) +static int serial_probe(struct pcmcia_device *p_dev) { struct serial_info *info; - client_reg_t client_reg; dev_link_t *link; - int ret; DEBUG(0, "serial_attach()\n"); /* Create new serial device */ info = kmalloc(sizeof (*info), GFP_KERNEL); if (!info) - return NULL; + return -ENOMEM; memset(info, 0, sizeof (*info)); link = &info->link; link->priv = info; @@ -227,20 +223,12 @@ static dev_link_t *serial_attach(void) } link->conf.IntType = INT_MEMORY_AND_IO; - /* 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 != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - serial_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + serial_config(link); - return link; + return 0; } /*====================================================================== @@ -252,21 +240,13 @@ static dev_link_t *serial_attach(void) ======================================================================*/ -static void serial_detach(dev_link_t * link) +static void serial_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct serial_info *info = link->priv; - dev_link_t **linkp; - int ret; DEBUG(0, "serial_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (*linkp == NULL) - return; - /* * Ensure any outstanding scheduled tasks are completed. */ @@ -277,14 +257,7 @@ static void serial_detach(dev_link_t * link) */ serial_remove(link); - if (link->handle) { - ret = pcmcia_deregister_client(link->handle); - if (ret != CS_SUCCESS) - cs_error(link->handle, DeregisterClient, ret); - } - - /* Unlink device structure, free bits */ - *linkp = link->next; + /* free bits */ kfree(info); } @@ -718,54 +691,6 @@ void serial_config(dev_link_t * link) kfree(cfg_mem); } -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the serial drivers from - talking to the ports. - -======================================================================*/ - -static int -serial_event(event_t event, int priority, event_callback_args_t * args) -{ - dev_link_t *link = args->client_data; - struct serial_info *info = link->priv; - - DEBUG(1, "serial_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - serial_remove(link); - break; - - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - serial_config(link); - break; - - case CS_EVENT_PM_SUSPEND: - serial_suspend(link); - break; - - case CS_EVENT_RESET_PHYSICAL: - if ((link->state & DEV_CONFIG) && !info->slave) - pcmcia_release_configuration(link->handle); - break; - - case CS_EVENT_PM_RESUME: - serial_resume(link); - break; - - case CS_EVENT_CARD_RESET: - if (DEV_OK(link) && !info->slave) - pcmcia_request_configuration(link->handle, &link->conf); - break; - } - return 0; -} - static struct pcmcia_device_id serial_ids[] = { PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0057, 0x0021), PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0089, 0x110a), @@ -877,10 +802,11 @@ static struct pcmcia_driver serial_cs_driver = { .drv = { .name = "serial_cs", }, - .attach = serial_attach, - .event = serial_event, - .detach = serial_detach, + .probe = serial_probe, + .remove = serial_detach, .id_table = serial_ids, + .suspend = serial_suspend, + .resume = serial_resume, }; static int __init init_serial_cs(void) @@ -891,7 +817,6 @@ static int __init init_serial_cs(void) static void __exit exit_serial_cs(void) { pcmcia_unregister_driver(&serial_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_serial_cs); |