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authorDominik Brodowski <linux@dominikbrodowski.net>2005-11-14 21:25:35 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2006-01-06 00:03:20 +0100
commitb463581154f3f3eecda27cae60df813fefcd84d3 (patch)
tree5e5b0f7a32b0727b64e52b9b2649897e6c841074 /drivers/parport
parentf3990715589d378a2d3aa9b8accd78bb4a2378b7 (diff)
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[PATCH] pcmcia: remove dev_list from drivers
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>
Diffstat (limited to 'drivers/parport')
-rw-r--r--drivers/parport/parport_cs.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c
index 063d22d..763f91a 100644
--- a/drivers/parport/parport_cs.c
+++ b/drivers/parport/parport_cs.c
@@ -95,7 +95,6 @@ static int parport_event(event_t event, int priority,
event_callback_args_t *args);
static dev_info_t dev_info = "parport_cs";
-static dev_link_t *dev_list = NULL;
/*======================================================================
@@ -129,8 +128,7 @@ static dev_link_t *parport_attach(void)
link->conf.IntType = INT_MEMORY_AND_IO;
/* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
+ link->next = NULL;
client_reg.dev_info = &dev_info;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
@@ -156,21 +154,12 @@ static dev_link_t *parport_attach(void)
static void parport_detach(struct pcmcia_device *p_dev)
{
dev_link_t *link = dev_to_instance(p_dev);
- dev_link_t **linkp;
DEBUG(0, "parport_detach(0x%p)\n", link);
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link) break;
- if (*linkp == NULL)
- return;
-
if (link->state & DEV_CONFIG)
parport_cs_release(link);
- /* Unlink, free device structure */
- *linkp = link->next;
kfree(link->priv);
} /* parport_detach */
@@ -391,7 +380,6 @@ static int __init init_parport_cs(void)
static void __exit exit_parport_cs(void)
{
pcmcia_unregister_driver(&parport_cs_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_parport_cs);