[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>

4 files changed, 4 insertions, 68 deletions

diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index f5088cb..bd80535 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -94,8 +94,6 @@ static dev_info_t dev_info = "bluecard_cs";
 static dev_link_t *bluecard_attach(void);
 static void bluecard_detach(struct pcmcia_device *p_dev);
 
-static dev_link_t *dev_list = NULL;
-
 
 /* Default baud rate: 57600, 115200, 230400 or 460800 */
 #define DEFAULT_BAUD_RATE  230400
@@ -890,8 +888,7 @@ static dev_link_t *bluecard_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;
@@ -911,22 +908,10 @@ static void bluecard_detach(struct pcmcia_device *p_dev)
 {
 	dev_link_t *link = dev_to_instance(p_dev);
 	bluecard_info_t *info = link->priv;
-	dev_link_t **linkp;
-
-	/* Locate device structure */
-	for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-		if (*linkp == link)
-			break;
-
-	if (*linkp == NULL)
-		return;
 
 	if (link->state & DEV_CONFIG)
 		bluecard_release(link);
 
-	/* Unlink device structure, free bits */
-	*linkp = link->next;
-
 	kfree(info);
 }
 
@@ -1105,7 +1090,6 @@ static int __init init_bluecard_cs(void)
 static void __exit exit_bluecard_cs(void)
 {
 	pcmcia_unregister_driver(&bluecard_driver);
-	BUG_ON(dev_list != NULL);
 }
 
 module_init(init_bluecard_cs);
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 02ce38e..50aa52b 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -97,8 +97,6 @@ static dev_info_t dev_info = "bt3c_cs";
 static dev_link_t *bt3c_attach(void);
 static void bt3c_detach(struct pcmcia_device *p_dev);
 
-static dev_link_t *dev_list = NULL;
-
 
 /* Transmit states  */
 #define XMIT_SENDING  1
@@ -691,8 +689,7 @@ static dev_link_t *bt3c_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;
@@ -712,22 +709,10 @@ static void bt3c_detach(struct pcmcia_device *p_dev)
 {
 	dev_link_t *link = dev_to_instance(p_dev);
 	bt3c_info_t *info = link->priv;
-	dev_link_t **linkp;
-
-	/* Locate device structure */
-	for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-		if (*linkp == link)
-			break;
-
-	if (*linkp == NULL)
-		return;
 
 	if (link->state & DEV_CONFIG)
 		bt3c_release(link);
 
-	/* Unlink device structure, free bits */
-	*linkp = link->next;
-
 	kfree(info);
 }
 
@@ -949,7 +934,6 @@ static int __init init_bt3c_cs(void)
 static void __exit exit_bt3c_cs(void)
 {
 	pcmcia_unregister_driver(&bt3c_driver);
-	BUG_ON(dev_list != NULL);
 }
 
 module_init(init_bt3c_cs);
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index 63221d3..7b04f89 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -93,8 +93,6 @@ static dev_info_t dev_info = "btuart_cs";
 static dev_link_t *btuart_attach(void);
 static void btuart_detach(struct pcmcia_device *p_dev);
 
-static dev_link_t *dev_list = NULL;
-
 
 /* Maximum baud rate */
 #define SPEED_MAX  115200
@@ -610,8 +608,7 @@ static dev_link_t *btuart_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;
@@ -631,22 +628,10 @@ static void btuart_detach(struct pcmcia_device *p_dev)
 {
 	dev_link_t *link = dev_to_instance(p_dev);
 	btuart_info_t *info = link->priv;
-	dev_link_t **linkp;
-
-	/* Locate device structure */
-	for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-		if (*linkp == link)
-			break;
-
-	if (*linkp == NULL)
-		return;
 
 	if (link->state & DEV_CONFIG)
 		btuart_release(link);
 
-	/* Unlink device structure, free bits */
-	*linkp = link->next;
-
 	kfree(info);
 }
 
@@ -870,7 +855,6 @@ static int __init init_btuart_cs(void)
 static void __exit exit_btuart_cs(void)
 {
 	pcmcia_unregister_driver(&btuart_driver);
-	BUG_ON(dev_list != NULL);
 }
 
 module_init(init_btuart_cs);
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 2874d87..c39d457 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -96,8 +96,6 @@ static dev_info_t dev_info = "dtl1_cs";
 static dev_link_t *dtl1_attach(void);
 static void dtl1_detach(struct pcmcia_device *p_dev);
 
-static dev_link_t *dev_list = NULL;
-
 
 /* Transmit states  */
 #define XMIT_SENDING  1
@@ -589,8 +587,7 @@ static dev_link_t *dtl1_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;
@@ -610,22 +607,10 @@ static void dtl1_detach(struct pcmcia_device *p_dev)
 {
 	dev_link_t *link = dev_to_instance(p_dev);
 	dtl1_info_t *info = link->priv;
-	dev_link_t **linkp;
-
-	/* Locate device structure */
-	for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-		if (*linkp == link)
-			break;
-
-	if (*linkp == NULL)
-		return;
 
 	if (link->state & DEV_CONFIG)
 		dtl1_release(link);
 
-	/* Unlink device structure, free bits */
-	*linkp = link->next;
-
 	kfree(info);
 }
 
@@ -822,7 +807,6 @@ static int __init init_dtl1_cs(void)
 static void __exit exit_dtl1_cs(void)
 {
 	pcmcia_unregister_driver(&dtl1_driver);
-	BUG_ON(dev_list != NULL);
 }
 
 module_init(init_dtl1_cs);