[PATCH] pcmcia: unify detach, REMOVAL_EVENT handlers into one remove callback
Unify the "detach" and REMOVAL_EVENT handlers to one "remove" function.
Old functionality is preserved, for the moment.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 3622fd3..e08ab94 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -65,7 +65,7 @@
#define POLL_PERIOD msecs_to_jiffies(10)
static void reader_release(dev_link_t *link);
-static void reader_detach(dev_link_t *link);
+static void reader_detach(struct pcmcia_device *p_dev);
static int major;
@@ -652,10 +652,6 @@
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;
default:
DEBUGP(5, dev, "reader_event: unknown event %.2x\n",
@@ -734,7 +730,7 @@
i = pcmcia_register_client(&link->handle, &client_reg);
if (i) {
cs_error(link->handle, RegisterClient, i);
- reader_detach(link);
+ reader_detach(link->handle);
return NULL;
}
init_waitqueue_head(&dev->devq);
@@ -747,36 +743,28 @@
return link;
}
-static void reader_detach_by_devno(int devno, dev_link_t *link)
+static void reader_detach(struct pcmcia_device *p_dev)
{
+ dev_link_t *link = dev_to_instance(p_dev);
struct reader_dev *dev = link->priv;
-
- if (link->state & DEV_CONFIG) {
- DEBUGP(5, dev, "device still configured (try to release it)\n");
- reader_release(link);
- }
-
- pcmcia_deregister_client(link->handle);
- dev_table[devno] = NULL;
- DEBUGP(5, dev, "freeing dev=%p\n", dev);
- cm4040_stop_poll(dev);
- kfree(dev);
- return;
-}
-
-static void reader_detach(dev_link_t *link)
-{
- int i;
+ 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;
}
@@ -803,7 +791,7 @@
.name = "cm4040_cs",
},
.attach = reader_attach,
- .detach = reader_detach,
+ .remove = reader_detach,
.suspend = reader_suspend,
.resume = reader_resume,
.event = reader_event,
@@ -825,14 +813,8 @@
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);
}