cpumask: alloc zeroed cpumask for static cpumask_var_ts
[safe/jmp/linux-2.6] / drivers / pnp / driver.c
index a262762..527ee76 100644 (file)
@@ -114,7 +114,6 @@ static int pnp_device_probe(struct device *dev)
        } else
                goto fail;
 
-       dev_dbg(dev, "driver attached\n");
        return error;
 
 fail:
@@ -161,14 +160,13 @@ static int pnp_bus_suspend(struct device *dev, pm_message_t state)
                        return error;
        }
 
-       if (!(pnp_drv->flags & PNP_DRIVER_RES_DO_NOT_CHANGE) &&
-           pnp_can_disable(pnp_dev)) {
+       if (pnp_can_disable(pnp_dev)) {
                error = pnp_stop_dev(pnp_dev);
                if (error)
                        return error;
        }
 
-       if (pnp_dev->protocol && pnp_dev->protocol->suspend)
+       if (pnp_dev->protocol->suspend)
                pnp_dev->protocol->suspend(pnp_dev, state);
        return 0;
 }
@@ -182,17 +180,20 @@ static int pnp_bus_resume(struct device *dev)
        if (!pnp_drv)
                return 0;
 
-       if (pnp_dev->protocol && pnp_dev->protocol->resume)
+       if (pnp_dev->protocol->resume)
                pnp_dev->protocol->resume(pnp_dev);
 
-       if (!(pnp_drv->flags & PNP_DRIVER_RES_DO_NOT_CHANGE)) {
+       if (pnp_can_write(pnp_dev)) {
                error = pnp_start_dev(pnp_dev);
                if (error)
                        return error;
        }
 
-       if (pnp_drv->resume)
-               return pnp_drv->resume(pnp_dev);
+       if (pnp_drv->resume) {
+               error = pnp_drv->resume(pnp_dev);
+               if (error)
+                       return error;
+       }
 
        return 0;
 }
@@ -204,12 +205,11 @@ struct bus_type pnp_bus_type = {
        .remove  = pnp_device_remove,
        .suspend = pnp_bus_suspend,
        .resume  = pnp_bus_resume,
+       .dev_attrs = pnp_interface_attrs,
 };
 
 int pnp_register_driver(struct pnp_driver *drv)
 {
-       pnp_dbg("the driver '%s' has been registered", drv->name);
-
        drv->driver.name = drv->name;
        drv->driver.bus = &pnp_bus_type;
 
@@ -219,27 +219,40 @@ int pnp_register_driver(struct pnp_driver *drv)
 void pnp_unregister_driver(struct pnp_driver *drv)
 {
        driver_unregister(&drv->driver);
-       pnp_dbg("the driver '%s' has been unregistered", drv->name);
 }
 
 /**
  * pnp_add_id - adds an EISA id to the specified device
- * @id: pointer to a pnp_id structure
  * @dev: pointer to the desired device
+ * @id: pointer to an EISA id string
  */
-int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev)
+struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id)
 {
-       struct pnp_id *ptr;
+       struct pnp_id *dev_id, *ptr;
 
-       id->next = NULL;
+       dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
+       if (!dev_id)
+               return NULL;
+
+       dev_id->id[0] = id[0];
+       dev_id->id[1] = id[1];
+       dev_id->id[2] = id[2];
+       dev_id->id[3] = tolower(id[3]);
+       dev_id->id[4] = tolower(id[4]);
+       dev_id->id[5] = tolower(id[5]);
+       dev_id->id[6] = tolower(id[6]);
+       dev_id->id[7] = '\0';
+
+       dev_id->next = NULL;
        ptr = dev->id;
        while (ptr && ptr->next)
                ptr = ptr->next;
        if (ptr)
-               ptr->next = id;
+               ptr->next = dev_id;
        else
-               dev->id = id;
-       return 0;
+               dev->id = dev_id;
+
+       return dev_id;
 }
 
 EXPORT_SYMBOL(pnp_register_driver);