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[PATCH] pcmcia: remove dev_list from drivers

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The linked list of devices managed by each PCMCIA driver is, in very most
cases, unused. Therefore, remove it from many drivers.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
2005-11-14 21:25:35 +01:00
parent f399071558
commit b463581154
38 changed files with 74 additions and 647 deletions
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drivers/serial/serial_cs.c
+2 -15
View File
@@ -122,8 +122,6 @@ static dev_info_t dev_info = "serial_cs";
static dev_link_t *serial_attach(void);
static void serial_detach(struct pcmcia_device *p_dev);
static dev_link_t *dev_list = NULL;
/*======================================================================
After a card is removed, serial_remove() will unregister
@@ -234,8 +232,7 @@ 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;
link->next = NULL; /* not needed */
client_reg.dev_info = &dev_info;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
@@ -262,17 +259,9 @@ 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;
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.
*/
@@ -283,8 +272,7 @@ static void serial_detach(struct pcmcia_device *p_dev)
*/
serial_remove(link);
/* Unlink device structure, free bits */
*linkp = link->next;
/* free bits */
kfree(info);
}
@@ -871,7 +859,6 @@ 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);