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path: root/drivers/usb/host/sl811_cs.c
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Diffstat (limited to 'drivers/usb/host/sl811_cs.c')
-rw-r--r--drivers/usb/host/sl811_cs.c115
1 files changed, 35 insertions, 80 deletions
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c
index e73faf831b24..466384d7c79f 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,
};
/*====================================================================*/