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path: root/drivers/bluetooth/btuart_cs.c
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Diffstat (limited to 'drivers/bluetooth/btuart_cs.c')
-rw-r--r--drivers/bluetooth/btuart_cs.c110
1 files changed, 31 insertions, 79 deletions
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index 529a28a3209..7b4bff4cfa2 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -86,14 +86,8 @@ typedef struct btuart_info_t {
static void btuart_config(dev_link_t *link);
static void btuart_release(dev_link_t *link);
-static int btuart_event(event_t event, int priority, event_callback_args_t *args);
-static dev_info_t dev_info = "btuart_cs";
-
-static dev_link_t *btuart_attach(void);
-static void btuart_detach(dev_link_t *);
-
-static dev_link_t *dev_list = NULL;
+static void btuart_detach(struct pcmcia_device *p_dev);
/* Maximum baud rate */
@@ -582,17 +576,15 @@ static int btuart_close(btuart_info_t *info)
return 0;
}
-static dev_link_t *btuart_attach(void)
+static int btuart_attach(struct pcmcia_device *p_dev)
{
btuart_info_t *info;
- client_reg_t client_reg;
dev_link_t *link;
- int ret;
/* Create new info device */
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
- return NULL;
+ return -ENOMEM;
link = &info->link;
link->priv = info;
@@ -609,50 +601,24 @@ static dev_link_t *btuart_attach(void)
link->conf.Vcc = 50;
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);
- btuart_detach(link);
- return NULL;
- }
+ link->handle = p_dev;
+ p_dev->instance = link;
- return link;
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ btuart_config(link);
+
+ return 0;
}
-static void btuart_detach(dev_link_t *link)
+static void btuart_detach(struct pcmcia_device *p_dev)
{
+ dev_link_t *link = dev_to_instance(p_dev);
btuart_info_t *info = link->priv;
- dev_link_t **linkp;
- int ret;
-
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link)
- break;
-
- if (*linkp == NULL)
- return;
if (link->state & DEV_CONFIG)
btuart_release(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;
-
kfree(info);
}
@@ -811,43 +777,29 @@ static void btuart_release(dev_link_t *link)
link->state &= ~DEV_CONFIG;
}
+static int btuart_suspend(struct pcmcia_device *dev)
+{
+ dev_link_t *link = dev_to_instance(dev);
-static int btuart_event(event_t event, int priority, event_callback_args_t *args)
+ link->state |= DEV_SUSPEND;
+ if (link->state & DEV_CONFIG)
+ pcmcia_release_configuration(link->handle);
+
+ return 0;
+}
+
+static int btuart_resume(struct pcmcia_device *dev)
{
- dev_link_t *link = args->client_data;
- btuart_info_t *info = link->priv;
+ dev_link_t *link = dev_to_instance(dev);
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- btuart_close(info);
- btuart_release(link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- btuart_config(link);
- break;
- 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;
- case CS_EVENT_PM_RESUME:
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- if (DEV_OK(link))
- pcmcia_request_configuration(link->handle, &link->conf);
- break;
- }
+ link->state &= ~DEV_SUSPEND;
+ if (DEV_OK(link))
+ pcmcia_request_configuration(link->handle, &link->conf);
return 0;
}
+
static struct pcmcia_device_id btuart_ids[] = {
/* don't use this driver. Use serial_cs + hci_uart instead */
PCMCIA_DEVICE_NULL
@@ -859,10 +811,11 @@ static struct pcmcia_driver btuart_driver = {
.drv = {
.name = "btuart_cs",
},
- .attach = btuart_attach,
- .event = btuart_event,
- .detach = btuart_detach,
+ .probe = btuart_attach,
+ .remove = btuart_detach,
.id_table = btuart_ids,
+ .suspend = btuart_suspend,
+ .resume = btuart_resume,
};
static int __init init_btuart_cs(void)
@@ -874,7 +827,6 @@ static int __init init_btuart_cs(void)
static void __exit exit_btuart_cs(void)
{
pcmcia_unregister_driver(&btuart_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_btuart_cs);