[PATCH] I2O: Remove wrong I2O device class

Removed wrong I2O device class, which was only needed to add sysfs attributes.

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

4 files changed, 68 insertions, 114 deletions

diff --git a/drivers/message/i2o/core.h b/drivers/message/i2o/core.h
index 9eefedb16211..9aa9b91170b2 100644
--- a/drivers/message/i2o/core.h
+++ b/drivers/message/i2o/core.h
@@ -33,6 +33,8 @@ extern int __init i2o_pci_init(void);
 extern void __exit i2o_pci_exit(void);
 
 /* device */
+extern struct device_attribute i2o_device_attrs[];
+
 extern void i2o_device_remove(struct i2o_device *);
 extern int i2o_device_parse_lct(struct i2o_controller *);
 
diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c
index 1db26215937f..a5e260b7a3b6 100644
--- a/drivers/message/i2o/device.c
+++ b/drivers/message/i2o/device.c
@@ -142,8 +142,9 @@ static void i2o_device_release(struct device *dev)
 
 
 /**
- *      i2o_device_class_show_class_id - Displays class id of I2O device
- *      @cd: class device of which the class id should be displayed
+ *      i2o_device_show_class_id - Displays class id of I2O device
+ *      @dev: device of which the class id should be displayed
+ *      @attr: pointer to device attribute
  *      @buf: buffer into which the class id should be printed
  *
  *      Returns the number of bytes which are printed into the buffer.
@@ -159,15 +160,15 @@ static ssize_t i2o_device_show_class_id(struct device *dev,
 }
 
 /**
- *      i2o_device_class_show_tid - Displays TID of I2O device
- *      @cd: class device of which the TID should be displayed
- *      @buf: buffer into which the class id should be printed
+ *      i2o_device_show_tid - Displays TID of I2O device
+ *      @dev: device of which the TID should be displayed
+ *      @attr: pointer to device attribute
+ *      @buf: buffer into which the TID should be printed
  *
  *      Returns the number of bytes which are printed into the buffer.
  */
 static ssize_t i2o_device_show_tid(struct device *dev,
-                                   struct device_attribute *attr,
-                                   char *buf)
+                                   struct device_attribute *attr, char *buf)
 {
         struct i2o_device *i2o_dev = to_i2o_device(dev);
 
@@ -209,66 +210,6 @@ static struct i2o_device *i2o_device_alloc(void)
 }
 
 /**
- *      i2o_setup_sysfs_links - Adds attributes to the I2O device
- *      @cd: I2O class device which is added to the I2O device class
- *
- *      This function get called when a I2O device is added to the class. It
- *      creates the attributes for each device and creates user/parent symlink
- *      if necessary.
- *
- *      Returns 0 on success or negative error code on failure.
- */
-static void i2o_setup_sysfs_links(struct i2o_device *i2o_dev)
-{
-        struct i2o_controller *c = i2o_dev->iop;
-        struct i2o_device *tmp;
-
-        /* create user entries for this device */
-        tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.user_tid);
-        if (tmp && tmp != i2o_dev)
-                sysfs_create_link(&i2o_dev->device.kobj,
-                                  &tmp->device.kobj, "user");
-
-        /* create user entries refering to this device */
-        list_for_each_entry(tmp, &c->devices, list)
-                if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid &&
-                    tmp != i2o_dev)
-                        sysfs_create_link(&tmp->device.kobj,
-                                          &i2o_dev->device.kobj, "user");
-
-        /* create parent entries for this device */
-        tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.parent_tid);
-        if (tmp && tmp != i2o_dev)
-                sysfs_create_link(&i2o_dev->device.kobj,
-                                  &tmp->device.kobj, "parent");
-
-        /* create parent entries refering to this device */
-        list_for_each_entry(tmp, &c->devices, list)
-                if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid &&
-                    tmp != i2o_dev)
-                sysfs_create_link(&tmp->device.kobj,
-                                  &i2o_dev->device.kobj, "parent");
-}
-
-static void i2o_remove_sysfs_links(struct i2o_device *i2o_dev)
-{
-        struct i2o_controller *c = i2o_dev->iop;
-        struct i2o_device *tmp;
-
-        sysfs_remove_link(&i2o_dev->device.kobj, "parent");
-        sysfs_remove_link(&i2o_dev->device.kobj, "user");
-
-        list_for_each_entry(tmp, &c->devices, list) {
-                if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
-                        sysfs_remove_link(&tmp->device.kobj, "parent");
-                if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
-                        sysfs_remove_link(&tmp->device.kobj, "user");
-        }
-}
-
-
-
-/**
  *      i2o_device_add - allocate a new I2O device and add it to the IOP
  *      @iop: I2O controller where the device is on
  *      @entry: LCT entry of the I2O device
@@ -282,33 +223,57 @@ static void i2o_remove_sysfs_links(struct i2o_device *i2o_dev)
 static struct i2o_device *i2o_device_add(struct i2o_controller *c,
                                          i2o_lct_entry * entry)
 {
-        struct i2o_device *dev;
+        struct i2o_device *i2o_dev, *tmp;
 
-        dev = i2o_device_alloc();
-        if (IS_ERR(dev)) {
+        i2o_dev = i2o_device_alloc();
+        if (IS_ERR(i2o_dev)) {
                 printk(KERN_ERR "i2o: unable to allocate i2o device\n");
-                return dev;
+                return i2o_dev;
         }
 
-        dev->lct_data = *entry;
-        dev->iop = c;
+        i2o_dev->lct_data = *entry;
 
-        snprintf(dev->device.bus_id, BUS_ID_SIZE, "%d:%03x", c->unit,
-                 dev->lct_data.tid);
+        snprintf(i2o_dev->device.bus_id, BUS_ID_SIZE, "%d:%03x", c->unit,
+                 i2o_dev->lct_data.tid);
 
-        dev->device.parent = &c->device;
+        i2o_dev->iop = c;
+        i2o_dev->device.parent = &c->device;
 
-        device_register(&dev->device);
+        device_register(&i2o_dev->device);
 
-        list_add_tail(&dev->list, &c->devices);
+        list_add_tail(&i2o_dev->list, &c->devices);
 
-        i2o_setup_sysfs_links(dev);
+        /* create user entries for this device */
+        tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.user_tid);
+        if (tmp && (tmp != i2o_dev))
+                sysfs_create_link(&i2o_dev->device.kobj, &tmp->device.kobj,
+                                  "user");
 
-        i2o_driver_notify_device_add_all(dev);
+        /* create user entries refering to this device */
+        list_for_each_entry(tmp, &c->devices, list)
+                if ((tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
+                    && (tmp != i2o_dev))
+                    sysfs_create_link(&tmp->device.kobj,
+                                      &i2o_dev->device.kobj, "user");
 
-        pr_debug("i2o: device %s added\n", dev->device.bus_id);
+        /* create parent entries for this device */
+        tmp = i2o_iop_find_device(i2o_dev->iop, i2o_dev->lct_data.parent_tid);
+        if (tmp && (tmp != i2o_dev))
+                sysfs_create_link(&i2o_dev->device.kobj, &tmp->device.kobj,
+                                  "parent");
 
-        return dev;
+        /* create parent entries refering to this device */
+        list_for_each_entry(tmp, &c->devices, list)
+                if ((tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
+                    && (tmp != i2o_dev))
+                        sysfs_create_link(&tmp->device.kobj,
+                                          &i2o_dev->device.kobj, "parent");
+
+        i2o_driver_notify_device_add_all(i2o_dev);
+
+        pr_debug("i2o: device %s added\n", i2o_dev->device.bus_id);
+
+        return i2o_dev;
 }
 
 /**
@@ -321,9 +286,22 @@ static struct i2o_device *i2o_device_add(struct i2o_controller *c,
  */
 void i2o_device_remove(struct i2o_device *i2o_dev)
 {
+        struct i2o_device *tmp;
+        struct i2o_controller *c = i2o_dev->iop;
+
         i2o_driver_notify_device_remove_all(i2o_dev);
-        i2o_remove_sysfs_links(i2o_dev);
+
+        sysfs_remove_link(&i2o_dev->device.kobj, "parent");
+        sysfs_remove_link(&i2o_dev->device.kobj, "user");
+
+        list_for_each_entry(tmp, &c->devices, list) {
+                if (tmp->lct_data.parent_tid == i2o_dev->lct_data.tid)
+                        sysfs_remove_link(&tmp->device.kobj, "parent");
+                if (tmp->lct_data.user_tid == i2o_dev->lct_data.tid)
+                        sysfs_remove_link(&tmp->device.kobj, "user");
+        }
         list_del(&i2o_dev->list);
+
         device_unregister(&i2o_dev->device);
 }
 
diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c
index 0fb9c4e2ad4c..25292b36e2d9 100644
--- a/drivers/message/i2o/driver.c
+++ b/drivers/message/i2o/driver.c
@@ -61,8 +61,6 @@ static int i2o_bus_match(struct device *dev, struct device_driver *drv)
 };
 
 /* I2O bus type */
-extern struct device_attribute i2o_device_attrs[];
-
 struct bus_type i2o_bus_type = {
         .name = "i2o",
         .match = i2o_bus_match,
diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
index f86abb42bf89..7411a0504bf2 100644
--- a/drivers/message/i2o/iop.c
+++ b/drivers/message/i2o/iop.c
@@ -806,7 +806,6 @@ void i2o_iop_remove(struct i2o_controller *c)
         list_for_each_entry_safe(dev, tmp, &c->devices, list)
             i2o_device_remove(dev);
 
-        class_device_unregister(c->classdev);
         device_del(&c->device);
 
         /* Ask the IOP to switch to RESET state */
@@ -1050,9 +1049,6 @@ static void i2o_iop_release(struct device *dev)
         i2o_iop_free(c);
 };
 
-/* I2O controller class */
-static struct class *i2o_controller_class;
-
 /**
  *      i2o_iop_alloc - Allocate and initialize a i2o_controller struct
  *
@@ -1124,36 +1120,29 @@ int i2o_iop_add(struct i2o_controller *c)
                 goto iop_reset;
         }
 
-        c->classdev = class_device_create(i2o_controller_class, NULL, MKDEV(0,0),
-                        &c->device, "iop%d", c->unit);
-        if (IS_ERR(c->classdev)) {
-                osm_err("%s: could not add controller class\n", c->name);
-                goto device_del;
-        }
-
         osm_info("%s: Activating I2O controller...\n", c->name);
         osm_info("%s: This may take a few minutes if there are many devices\n",
                  c->name);
 
         if ((rc = i2o_iop_activate(c))) {
                 osm_err("%s: could not activate controller\n", c->name);
-                goto class_del;
+                goto device_del;
         }
 
         osm_debug("%s: building sys table...\n", c->name);
 
         if ((rc = i2o_systab_build()))
-                goto class_del;
+                goto device_del;
 
         osm_debug("%s: online controller...\n", c->name);
 
         if ((rc = i2o_iop_online(c)))
-                goto class_del;
+                goto device_del;
 
         osm_debug("%s: getting LCT...\n", c->name);
 
         if ((rc = i2o_exec_lct_get(c)))
-                goto class_del;
+                goto device_del;
 
         list_add(&c->list, &i2o_controllers);
 
@@ -1163,9 +1152,6 @@ int i2o_iop_add(struct i2o_controller *c)
 
         return 0;
 
-      class_del:
-        class_device_unregister(c->classdev);
-
       device_del:
         device_del(&c->device);
 
@@ -1225,14 +1211,8 @@ static int __init i2o_iop_init(void)
 
         printk(KERN_INFO OSM_DESCRIPTION " v" OSM_VERSION "\n");
 
-        i2o_controller_class = class_create(THIS_MODULE, "i2o_controller");
-        if (IS_ERR(i2o_controller_class)) {
-                osm_err("can't register class i2o_controller\n");
-                goto exit;
-        }
-
         if ((rc = i2o_driver_init()))
-                goto class_exit;
+                goto exit;
 
         if ((rc = i2o_exec_init()))
                 goto driver_exit;
@@ -1248,9 +1228,6 @@ static int __init i2o_iop_init(void)
       driver_exit:
         i2o_driver_exit();
 
-      class_exit:
-        class_destroy(i2o_controller_class);
-
       exit:
         return rc;
 }
@@ -1265,7 +1242,6 @@ static void __exit i2o_iop_exit(void)
         i2o_pci_exit();
         i2o_exec_exit();
         i2o_driver_exit();
-        class_destroy(i2o_controller_class);
 };
 
 module_init(i2o_iop_init);