Driver Core: remove struct device.name as it is not needed

If a specific driver subsystem needs a name field, they should implement it
for just that subsystem.

drivers/base/core.c

@@ -210,8 +210,7 @@ int device_add(struct device *dev)
 
 	parent = get_device(dev->parent);
 
-	pr_debug("DEV: registering device: ID = '%s', name = %s\n",
-		 dev->bus_id, dev->name);
+	pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id);
 
 	/* first, register with generic layer. */
 	strlcpy(dev->kobj.name,dev->bus_id,KOBJ_NAME_LEN);
@@ -337,8 +336,7 @@ void device_del(struct device * dev)
  */
 void device_unregister(struct device * dev)
 {
-	pr_debug("DEV: Unregistering device. ID = '%s', name = '%s'\n",
-		 dev->bus_id,dev->name);
+	pr_debug("DEV: Unregistering device. ID = '%s'\n", dev->bus_id);
 	device_del(dev);
 	put_device(dev);
 }

drivers/base/interface.c

@@ -14,13 +14,6 @@
 #include <linux/stat.h>
 #include <linux/string.h>
 
-static ssize_t device_read_name(struct device * dev, char * buf)
-{
-	return sprintf(buf,"%s\n",dev->name);
-}
-
-static DEVICE_ATTR(name,S_IRUGO,device_read_name,NULL);
-
 static ssize_t
 device_read_power(struct device * dev, char * page)
 {
@@ -91,7 +84,6 @@ static DEVICE_ATTR(power,S_IWUSR | S_IRUGO,
 		   device_read_power,device_write_power);
 
 struct attribute * dev_default_attrs[] = {
-	&dev_attr_name.attr,
 	&dev_attr_power.attr,
 	NULL,
 };

drivers/base/platform.c

@@ -15,7 +15,6 @@
 #include <linux/init.h>
 
 struct device legacy_bus = {
-	.name		= "legacy bus",
 	.bus_id		= "legacy",
 };
 

drivers/base/power.c

@@ -59,7 +59,7 @@ int device_suspend(u32 state, u32 level)
 			error = dev->driver->suspend(dev,state,level);
 			if (error)
 				printk(KERN_ERR "%s: suspend returned %d\n",
-				       dev->name,error);
+				       dev->bus_id, error);
 		}
 	}
 	up_write(&devices_subsys.rwsem);

include/linux/device.h

@@ -258,7 +258,6 @@ struct device {
 	struct device 	* parent;
 
 	struct kobject kobj;
-	char	name[DEVICE_NAME_SIZE];	/* descriptive ascii string */
 	char	bus_id[BUS_ID_SIZE];	/* position on parent bus */
 
 	struct bus_type	* bus;		/* type of bus device is on */