Merge ../linux-2.6

[pandora-kernel.git] / drivers / pnp / card.c

diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index e95ed67..b68eef2 100644 (file)
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -12,7 +12,7 @@
 #include "base.h"
 
 LIST_HEAD(pnp_cards);
-LIST_HEAD(pnp_card_drivers);
+static LIST_HEAD(pnp_card_drivers);
 
 
 static const struct pnp_card_device_id * match_card(struct pnp_card_driver * drv, struct pnp_card * card)
@@ -69,6 +69,7 @@ static int card_probe(struct pnp_card * card, struct pnp_card_driver * drv)
                        return 0;
                clink->card = card;
                clink->driver = drv;
+               clink->pm_state = PMSG_ON;
                if (drv->probe) {
                        if (drv->probe(clink, id)>=0)
                                return 1;
@@ -302,13 +303,11 @@ found:
        down_write(&dev->dev.bus->subsys.rwsem);
        dev->card_link = clink;
        dev->dev.driver = &drv->link.driver;
-       if (drv->link.driver.probe) {
-               if (drv->link.driver.probe(&dev->dev)) {
-                       dev->dev.driver = NULL;
-                       dev->card_link = NULL;
-                       up_write(&dev->dev.bus->subsys.rwsem);
-                       return NULL;
-               }
+       if (pnp_bus_type.probe(&dev->dev)) {
+               dev->dev.driver = NULL;
+               dev->card_link = NULL;
+               up_write(&dev->dev.bus->subsys.rwsem);
+               return NULL;
        }
        device_bind_driver(&dev->dev);
        up_write(&dev->dev.bus->subsys.rwsem);
@@ -333,6 +332,28 @@ void pnp_release_card_device(struct pnp_dev * dev)
        up_write(&dev->dev.bus->subsys.rwsem);
 }
 
+/*
+ * suspend/resume callbacks
+ */
+static int card_suspend(struct pnp_dev *dev, pm_message_t state)
+{
+       struct pnp_card_link *link = dev->card_link;
+       if (link->pm_state.event == state.event)
+               return 0;
+       link->pm_state = state;
+       return link->driver->suspend(link, state);
+}
+
+static int card_resume(struct pnp_dev *dev)
+{
+       struct pnp_card_link *link = dev->card_link;
+       if (link->pm_state.event == PM_EVENT_ON)
+               return 0;
+       link->pm_state = PMSG_ON;
+       link->driver->resume(link);
+       return 0;
+}
+
 /**
  * pnp_register_card_driver - registers a PnP card driver with the PnP Layer
  * @drv: pointer to the driver to register
@@ -340,7 +361,7 @@ void pnp_release_card_device(struct pnp_dev * dev)
 
 int pnp_register_card_driver(struct pnp_card_driver * drv)
 {
-       int count = 0;
+       int count;
        struct list_head *pos, *temp;
 
        drv->link.name = drv->name;
@@ -348,11 +369,18 @@ int pnp_register_card_driver(struct pnp_card_driver * drv)
        drv->link.flags = drv->flags;
        drv->link.probe = NULL;
        drv->link.remove = &card_remove_first;
+       drv->link.suspend = drv->suspend ? card_suspend : NULL;
+       drv->link.resume = drv->resume ? card_resume : NULL;
+
+       count = pnp_register_driver(&drv->link);
+       if (count < 0)
+               return count;
 
        spin_lock(&pnp_lock);
        list_add_tail(&drv->global_list, &pnp_card_drivers);
        spin_unlock(&pnp_lock);
-       pnp_register_driver(&drv->link);
+
+       count = 0;
 
        list_for_each_safe(pos,temp,&pnp_cards){
                struct pnp_card *card = list_entry(pos, struct pnp_card, global_list);
@@ -374,11 +402,13 @@ void pnp_unregister_card_driver(struct pnp_card_driver * drv)
        pnp_unregister_driver(&drv->link);
 }
 
+#if 0
 EXPORT_SYMBOL(pnp_add_card);
 EXPORT_SYMBOL(pnp_remove_card);
 EXPORT_SYMBOL(pnp_add_card_device);
 EXPORT_SYMBOL(pnp_remove_card_device);
 EXPORT_SYMBOL(pnp_add_card_id);
+#endif  /*  0  */
 EXPORT_SYMBOL(pnp_request_card_device);
 EXPORT_SYMBOL(pnp_release_card_device);
 EXPORT_SYMBOL(pnp_register_card_driver);