[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>

4 files changed, 29 insertions, 100 deletions

diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c
index 433cec4..6b322e8 100644
--- a/drivers/isdn/hisax/avma1_cs.c
+++ b/drivers/isdn/hisax/avma1_cs.c
@@ -79,7 +79,7 @@ static int avma1cs_event(event_t event, int priority,
 */
 
 static dev_link_t *avma1cs_attach(void);
-static void avma1cs_detach(dev_link_t *);
+static void avma1cs_detach(struct pcmcia_device *p_dev);
 
 /*
    The dev_info variable is the "key" that is used to match up this
@@ -187,7 +187,7 @@ static dev_link_t *avma1cs_attach(void)
     ret = pcmcia_register_client(&link->handle, &client_reg);
     if (ret != 0) {
 	cs_error(link->handle, RegisterClient, ret);
-	avma1cs_detach(link);
+	avma1cs_detach(link->handle);
 	return NULL;
     }
 
@@ -203,42 +203,26 @@ static dev_link_t *avma1cs_attach(void)
 
 ======================================================================*/
 
-static void avma1cs_detach(dev_link_t *link)
+static void avma1cs_detach(struct pcmcia_device *p_dev)
 {
+    dev_link_t *link = dev_to_instance(p_dev);
     dev_link_t **linkp;
 
     DEBUG(0, "avma1cs_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 the device is currently configured and active, we won't
-       actually delete it yet.  Instead, it is marked so that when
-       the release() function is called, that will trigger a proper
-       detach().
-    */
-    if (link->state & DEV_CONFIG) {
-#ifdef PCMCIA_DEBUG
-	printk(KERN_DEBUG "avma1_cs: detach postponed, '%s' "
-	       "still locked\n", link->dev->dev_name);
-#endif
-	link->state |= DEV_STALE_LINK;
-	return;
-    }
+    if (link->state & DEV_CONFIG)
+	    avma1cs_release(link);
 
-    /* Break the link with Card Services */
-    if (link->handle)
-    	pcmcia_deregister_client(link->handle);
-    
     /* Unlink device structure, free pieces */
     *linkp = link->next;
     kfree(link->priv);
     kfree(link);
-    
 } /* avma1cs_detach */
 
 /*======================================================================
@@ -440,9 +424,6 @@ static void avma1cs_release(dev_link_t *link)
     pcmcia_release_io(link->handle, &link->io);
     pcmcia_release_irq(link->handle, &link->irq);
     link->state &= ~DEV_CONFIG;
-    
-    if (link->state & DEV_STALE_LINK)
-	avma1cs_detach(link);
 } /* avma1cs_release */
 
 static int avma1cs_suspend(struct pcmcia_device *dev)
@@ -489,10 +470,6 @@ static int avma1cs_event(event_t event, int priority,
     DEBUG(1, "avma1cs_event(0x%06x)\n", event);
     
     switch (event) {
-	case CS_EVENT_CARD_REMOVAL:
-	    if (link->state & DEV_CONFIG)
-		avma1cs_release(link);
-	    break;
 	case CS_EVENT_CARD_INSERTION:
 	    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 	    avma1cs_config(link);
@@ -515,7 +492,7 @@ static struct pcmcia_driver avma1cs_driver = {
 	},
 	.attach		= avma1cs_attach,
 	.event		= avma1cs_event,
-	.detach		= avma1cs_detach,
+	.remove		= avma1cs_detach,
 	.id_table	= avma1cs_ids,
 	.suspend	= avma1cs_suspend,
 	.resume		= avma1cs_resume,
diff --git a/drivers/isdn/hisax/elsa_cs.c b/drivers/isdn/hisax/elsa_cs.c
index 0cbe045..48cc677 100644
--- a/drivers/isdn/hisax/elsa_cs.c
+++ b/drivers/isdn/hisax/elsa_cs.c
@@ -106,7 +106,7 @@ static int elsa_cs_event(event_t event, int priority,
 */
 
 static dev_link_t *elsa_cs_attach(void);
-static void elsa_cs_detach(dev_link_t *);
+static void elsa_cs_detach(struct pcmcia_device *p_dev);
 
 /*
    The dev_info variable is the "key" that is used to match up this
@@ -216,7 +216,7 @@ static dev_link_t *elsa_cs_attach(void)
     ret = pcmcia_register_client(&link->handle, &client_reg);
     if (ret != CS_SUCCESS) {
         cs_error(link->handle, RegisterClient, ret);
-        elsa_cs_detach(link);
+        elsa_cs_detach(link->handle);
         return NULL;
     }
 
@@ -232,11 +232,11 @@ static dev_link_t *elsa_cs_attach(void)
 
 ======================================================================*/
 
-static void elsa_cs_detach(dev_link_t *link)
+static void elsa_cs_detach(struct pcmcia_device *p_dev)
 {
+    dev_link_t *link = dev_to_instance(p_dev);
     dev_link_t **linkp;
     local_info_t *info = link->priv;
-    int ret;
 
     DEBUG(0, "elsa_cs_detach(0x%p)\n", link);
 
@@ -246,14 +246,9 @@ static void elsa_cs_detach(dev_link_t *link)
     if (*linkp == NULL)
         return;
 
-    if (link->state & DEV_CONFIG)
+    if (link->state & DEV_CONFIG) {
+        ((local_info_t*)link->priv)->busy = 1;
         elsa_cs_release(link);
-
-    /* Break the link with Card Services */
-    if (link->handle) {
-        ret = pcmcia_deregister_client(link->handle);
-	if (ret != CS_SUCCESS)
-	    cs_error(link->handle, DeregisterClient, ret);
     }
 
     /* Unlink device structure and free it */
@@ -495,13 +490,6 @@ static int elsa_cs_event(event_t event, int priority,
     DEBUG(1, "elsa_cs_event(%d)\n", event);
 
     switch (event) {
-    case CS_EVENT_CARD_REMOVAL:
-        link->state &= ~DEV_PRESENT;
-        if (link->state & DEV_CONFIG) {
-            ((local_info_t*)link->priv)->busy = 1;
-	    elsa_cs_release(link);
-        }
-        break;
     case CS_EVENT_CARD_INSERTION:
         link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
         elsa_cs_config(link);
@@ -524,7 +512,7 @@ static struct pcmcia_driver elsa_cs_driver = {
 	},
 	.attach		= elsa_cs_attach,
 	.event		= elsa_cs_event,
-	.detach		= elsa_cs_detach,
+	.remove		= elsa_cs_detach,
 	.id_table	= elsa_ids,
 	.suspend	= elsa_suspend,
 	.resume		= elsa_resume,
diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index 27dce7c..d2386f6 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -107,7 +107,7 @@ static int sedlbauer_event(event_t event, int priority,
 */
 
 static dev_link_t *sedlbauer_attach(void);
-static void sedlbauer_detach(dev_link_t *);
+static void sedlbauer_detach(struct pcmcia_device *p_dev);
 
 /*
    You'll also need to prototype all the functions that will actually
@@ -230,7 +230,7 @@ static dev_link_t *sedlbauer_attach(void)
     ret = pcmcia_register_client(&link->handle, &client_reg);
     if (ret != CS_SUCCESS) {
 	cs_error(link->handle, RegisterClient, ret);
-	sedlbauer_detach(link);
+	sedlbauer_detach(link->handle);
 	return NULL;
     }
 
@@ -246,8 +246,9 @@ static dev_link_t *sedlbauer_attach(void)
 
 ======================================================================*/
 
-static void sedlbauer_detach(dev_link_t *link)
+static void sedlbauer_detach(struct pcmcia_device *p_dev)
 {
+    dev_link_t *link = dev_to_instance(p_dev);
     dev_link_t **linkp;
 
     DEBUG(0, "sedlbauer_detach(0x%p)\n", link);
@@ -258,25 +259,11 @@ static void sedlbauer_detach(dev_link_t *link)
     if (*linkp == NULL)
 	return;
 
-    /*
-       If the device is currently configured and active, we won't
-       actually delete it yet.  Instead, it is marked so that when
-       the release() function is called, that will trigger a proper
-       detach().
-    */
     if (link->state & DEV_CONFIG) {
-#ifdef PCMCIA_DEBUG
-	printk(KERN_DEBUG "sedlbauer_cs: detach postponed, '%s' "
-	       "still locked\n", link->dev->dev_name);
-#endif
-	link->state |= DEV_STALE_LINK;
-	return;
+	((local_info_t *)link->priv)->stop = 1;
+	sedlbauer_release(link);
     }
 
-    /* Break the link with Card Services */
-    if (link->handle)
-	pcmcia_deregister_client(link->handle);
-    
     /* Unlink device structure, and free it */
     *linkp = link->next;
     /* This points to the parent local_info_t struct */
@@ -547,10 +534,6 @@ static void sedlbauer_release(dev_link_t *link)
     if (link->irq.AssignedIRQ)
 	pcmcia_release_irq(link->handle, &link->irq);
     link->state &= ~DEV_CONFIG;
-    
-    if (link->state & DEV_STALE_LINK)
-	sedlbauer_detach(link);
-    
 } /* sedlbauer_release */
 
 static int sedlbauer_suspend(struct pcmcia_device *p_dev)
@@ -599,13 +582,6 @@ static int sedlbauer_event(event_t event, int priority,
     DEBUG(1, "sedlbauer_event(0x%06x)\n", event);
     
     switch (event) {
-    case CS_EVENT_CARD_REMOVAL:
-	link->state &= ~DEV_PRESENT;
-	if (link->state & DEV_CONFIG) {
-	    ((local_info_t *)link->priv)->stop = 1;
-	    sedlbauer_release(link);
-	}
-	break;
     case CS_EVENT_CARD_INSERTION:
 	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 	sedlbauer_config(link);
@@ -633,7 +609,7 @@ static struct pcmcia_driver sedlbauer_driver = {
 	},
 	.attach		= sedlbauer_attach,
 	.event		= sedlbauer_event,
-	.detach		= sedlbauer_detach,
+	.remove		= sedlbauer_detach,
 	.id_table	= sedlbauer_ids,
 	.suspend	= sedlbauer_suspend,
 	.resume		= sedlbauer_resume,
diff --git a/drivers/isdn/hisax/teles_cs.c b/drivers/isdn/hisax/teles_cs.c
index 70213bc..cd0f86f 100644
--- a/drivers/isdn/hisax/teles_cs.c
+++ b/drivers/isdn/hisax/teles_cs.c
@@ -87,7 +87,7 @@ static int teles_cs_event(event_t event, int priority,
 */
 
 static dev_link_t *teles_attach(void);
-static void teles_detach(dev_link_t *);
+static void teles_detach(struct pcmcia_device *p_dev);
 
 /*
    The dev_info variable is the "key" that is used to match up this
@@ -197,7 +197,7 @@ static dev_link_t *teles_attach(void)
     ret = pcmcia_register_client(&link->handle, &client_reg);
     if (ret != CS_SUCCESS) {
         cs_error(link->handle, RegisterClient, ret);
-        teles_detach(link);
+        teles_detach(link->handle);
         return NULL;
     }
 
@@ -213,11 +213,11 @@ static dev_link_t *teles_attach(void)
 
 ======================================================================*/
 
-static void teles_detach(dev_link_t *link)
+static void teles_detach(struct pcmcia_device *p_dev)
 {
+    dev_link_t *link = dev_to_instance(p_dev);
     dev_link_t **linkp;
     local_info_t *info = link->priv;
-    int ret;
 
     DEBUG(0, "teles_detach(0x%p)\n", link);
 
@@ -227,14 +227,9 @@ static void teles_detach(dev_link_t *link)
     if (*linkp == NULL)
         return;
 
-    if (link->state & DEV_CONFIG)
+    if (link->state & DEV_CONFIG) {
+        info->busy = 1;
         teles_cs_release(link);
-
-    /* Break the link with Card Services */
-    if (link->handle) {
-        ret = pcmcia_deregister_client(link->handle);
-	if (ret != CS_SUCCESS)
-	    cs_error(link->handle, DeregisterClient, ret);
     }
 
     /* Unlink device structure and free it */
@@ -476,13 +471,6 @@ static int teles_cs_event(event_t event, int priority,
     DEBUG(1, "teles_cs_event(%d)\n", event);
 
     switch (event) {
-    case CS_EVENT_CARD_REMOVAL:
-        link->state &= ~DEV_PRESENT;
-        if (link->state & DEV_CONFIG) {
-            ((local_info_t*)link->priv)->busy = 1;
-	    teles_cs_release(link);
-        }
-        break;
     case CS_EVENT_CARD_INSERTION:
         link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
         teles_cs_config(link);
@@ -504,7 +492,7 @@ static struct pcmcia_driver teles_cs_driver = {
 	},
 	.attach		= teles_attach,
 	.event		= teles_cs_event,
-	.detach		= teles_detach,
+	.remove		= teles_detach,
 	.id_table       = teles_ids,
 	.suspend	= teles_suspend,
 	.resume		= teles_resume,