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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/net/wireless/airo_cs.c
parentf3990715589d378a2d3aa9b8accd78bb4a2378b7 (diff)
downloadop-kernel-dev-b463581154f3f3eecda27cae60df813fefcd84d3.zip
op-kernel-dev-b463581154f3f3eecda27cae60df813fefcd84d3.tar.gz
[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/net/wireless/airo_cs.c')
-rw-r--r--drivers/net/wireless/airo_cs.c28
1 files changed, 4 insertions, 24 deletions
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index 7a28139..88805a4 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -119,15 +119,7 @@ static dev_info_t dev_info = "airo_cs";
device numbers are used to derive the corresponding array index.
*/
-static dev_link_t *dev_list = NULL;
-
/*
- A dev_link_t structure has fields for most things that are needed
- to keep track of a socket, but there will usually be some device
- specific information that also needs to be kept track of. The
- 'priv' pointer in a dev_link_t structure can be used to point to
- a device-specific private data structure, like this.
-
A driver needs to provide a dev_node_t structure for each device
on a card. In some cases, there is only one device per card (for
example, ethernet cards, modems). In other cases, there may be
@@ -202,8 +194,7 @@ static dev_link_t *airo_attach(void)
link->priv = local;
/* 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;
@@ -229,29 +220,19 @@ static dev_link_t *airo_attach(void)
static void airo_detach(struct pcmcia_device *p_dev)
{
dev_link_t *link = dev_to_instance(p_dev);
- dev_link_t **linkp;
-
+
DEBUG(0, "airo_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)
airo_release(link);
-
+
if ( ((local_info_t*)link->priv)->eth_dev ) {
stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 );
}
((local_info_t*)link->priv)->eth_dev = NULL;
- /* Unlink device structure, free pieces */
- *linkp = link->next;
kfree(link->priv);
kfree(link);
-
} /* airo_detach */
/*======================================================================
@@ -574,7 +555,6 @@ static int airo_cs_init(void)
static void airo_cs_cleanup(void)
{
pcmcia_unregister_driver(&airo_driver);
- BUG_ON(dev_list != NULL);
}
/*
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