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path: root/drivers/char/pcmcia/cm4040_cs.c
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Diffstat (limited to 'drivers/char/pcmcia/cm4040_cs.c')
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c151
1 files changed, 44 insertions, 107 deletions
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 4c698d908ffa90..46eb371bf17e22 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -65,7 +65,6 @@ static char *version =
#define POLL_PERIOD msecs_to_jiffies(10)
static void reader_release(dev_link_t *link);
-static void reader_detach(dev_link_t *link);
static int major;
@@ -86,7 +85,6 @@ struct reader_dev {
struct timer_list poll_timer;
};
-static dev_info_t dev_info = MODULE_NAME;
static dev_link_t *dev_table[CM_MAX_DEV];
#ifndef PCMCIA_DEBUG
@@ -629,65 +627,26 @@ cs_release:
link->state &= ~DEV_CONFIG_PENDING;
}
-static int reader_event(event_t event, int priority,
- event_callback_args_t *args)
+static int reader_suspend(struct pcmcia_device *p_dev)
{
- dev_link_t *link;
- struct reader_dev *dev;
- int devno;
+ dev_link_t *link = dev_to_instance(p_dev);
- link = args->client_data;
- dev = link->priv;
- DEBUGP(3, dev, "-> reader_event\n");
- for (devno = 0; devno < CM_MAX_DEV; devno++) {
- if (dev_table[devno] == link)
- break;
- }
- if (devno == CM_MAX_DEV)
- return CS_BAD_ADAPTER;
+ link->state |= DEV_SUSPEND;
+ if (link->state & DEV_CONFIG)
+ pcmcia_release_configuration(link->handle);
- switch (event) {
- case CS_EVENT_CARD_INSERTION:
- DEBUGP(5, dev, "CS_EVENT_CARD_INSERTION\n");
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- reader_config(link, devno);
- break;
- case CS_EVENT_CARD_REMOVAL:
- DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n");
- link->state &= ~DEV_PRESENT;
- break;
- case CS_EVENT_PM_SUSPEND:
- DEBUGP(5, dev, "CS_EVENT_PM_SUSPEND "
- "(fall-through to CS_EVENT_RESET_PHYSICAL)\n");
- link->state |= DEV_SUSPEND;
-
- case CS_EVENT_RESET_PHYSICAL:
- DEBUGP(5, dev, "CS_EVENT_RESET_PHYSICAL\n");
- if (link->state & DEV_CONFIG) {
- DEBUGP(5, dev, "ReleaseConfiguration\n");
- pcmcia_release_configuration(link->handle);
- }
- break;
- case CS_EVENT_PM_RESUME:
- DEBUGP(5, dev, "CS_EVENT_PM_RESUME "
- "(fall-through to CS_EVENT_CARD_RESET)\n");
- link->state &= ~DEV_SUSPEND;
-
- case CS_EVENT_CARD_RESET:
- DEBUGP(5, dev, "CS_EVENT_CARD_RESET\n");
- if ((link->state & DEV_CONFIG)) {
- DEBUGP(5, dev, "RequestConfiguration\n");
- pcmcia_request_configuration(link->handle,
- &link->conf);
- }
- break;
- default:
- DEBUGP(5, dev, "reader_event: unknown event %.2x\n",
- event);
- break;
- }
- DEBUGP(3, dev, "<- reader_event\n");
- return CS_SUCCESS;
+ return 0;
+}
+
+static int reader_resume(struct pcmcia_device *p_dev)
+{
+ dev_link_t *link = dev_to_instance(p_dev);
+
+ link->state &= ~DEV_SUSPEND;
+ if (link->state & DEV_CONFIG)
+ pcmcia_request_configuration(link->handle, &link->conf);
+
+ return 0;
}
static void reader_release(dev_link_t *link)
@@ -697,11 +656,10 @@ static void reader_release(dev_link_t *link)
pcmcia_release_io(link->handle, &link->io);
}
-static dev_link_t *reader_attach(void)
+static int reader_attach(struct pcmcia_device *p_dev)
{
struct reader_dev *dev;
dev_link_t *link;
- client_reg_t client_reg;
int i;
for (i = 0; i < CM_MAX_DEV; i++) {
@@ -710,11 +668,11 @@ static dev_link_t *reader_attach(void)
}
if (i == CM_MAX_DEV)
- return NULL;
+ return -ENODEV;
dev = kzalloc(sizeof(struct reader_dev), GFP_KERNEL);
if (dev == NULL)
- return NULL;
+ return -ENOMEM;
dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT;
dev->buffer_status = 0;
@@ -725,20 +683,6 @@ static dev_link_t *reader_attach(void)
link->conf.IntType = INT_MEMORY_AND_IO;
dev_table[i] = link;
- client_reg.dev_info = &dev_info;
- client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
- client_reg.EventMask=
- CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
- CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
- CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
- i = pcmcia_register_client(&link->handle, &client_reg);
- if (i) {
- cs_error(link->handle, RegisterClient, i);
- reader_detach(link);
- return NULL;
- }
init_waitqueue_head(&dev->devq);
init_waitqueue_head(&dev->poll_wait);
init_waitqueue_head(&dev->read_wait);
@@ -746,39 +690,37 @@ static dev_link_t *reader_attach(void)
init_timer(&dev->poll_timer);
dev->poll_timer.function = &cm4040_do_poll;
- return link;
-}
-
-static void reader_detach_by_devno(int devno, dev_link_t *link)
-{
- struct reader_dev *dev = link->priv;
+ link->handle = p_dev;
+ p_dev->instance = link;
- if (link->state & DEV_CONFIG) {
- DEBUGP(5, dev, "device still configured (try to release it)\n");
- reader_release(link);
- }
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ reader_config(link, i);
- pcmcia_deregister_client(link->handle);
- dev_table[devno] = NULL;
- DEBUGP(5, dev, "freeing dev=%p\n", dev);
- cm4040_stop_poll(dev);
- kfree(dev);
- return;
+ return 0;
}
-static void reader_detach(dev_link_t *link)
+static void reader_detach(struct pcmcia_device *p_dev)
{
- int i;
+ dev_link_t *link = dev_to_instance(p_dev);
+ struct reader_dev *dev = link->priv;
+ int devno;
/* find device */
- for (i = 0; i < CM_MAX_DEV; i++) {
- if (dev_table[i] == link)
+ for (devno = 0; devno < CM_MAX_DEV; devno++) {
+ if (dev_table[devno] == link)
break;
}
- if (i == CM_MAX_DEV)
+ if (devno == CM_MAX_DEV)
return;
- reader_detach_by_devno(i, link);
+ link->state &= ~DEV_PRESENT;
+
+ if (link->state & DEV_CONFIG)
+ reader_release(link);
+
+ dev_table[devno] = NULL;
+ kfree(dev);
+
return;
}
@@ -804,9 +746,10 @@ static struct pcmcia_driver reader_driver = {
.drv = {
.name = "cm4040_cs",
},
- .attach = reader_attach,
- .detach = reader_detach,
- .event = reader_event,
+ .probe = reader_attach,
+ .remove = reader_detach,
+ .suspend = reader_suspend,
+ .resume = reader_resume,
.id_table = cm4040_ids,
};
@@ -825,14 +768,8 @@ static int __init cm4040_init(void)
static void __exit cm4040_exit(void)
{
- int i;
-
printk(KERN_INFO MODULE_NAME ": unloading\n");
pcmcia_unregister_driver(&reader_driver);
- for (i = 0; i < CM_MAX_DEV; i++) {
- if (dev_table[i])
- reader_detach_by_devno(i, dev_table[i]);
- }
unregister_chrdev(major, DEVICE_NAME);
}