driver core: fix up scsi code to compile due to the class changes.

Yes, this patch is not logically correct, in that the scsi-host class
no longer works, but Mike Anderson has a patch that will be submitted
that fixes all of these problems.

drivers/scsi/hosts.c

@@ -294,7 +294,6 @@ int scsi_add_host(struct Scsi_Host *shost, struct device *dev)
 			sht->info ? sht->info(shost) : sht->name);
 
 	if (dev) {
-		dev->class_data = shost;
 		shost->host_gendev = dev;
 	}
 

drivers/scsi/hosts.h

@@ -495,7 +495,7 @@ struct Scsi_Host
         __attribute__ ((aligned (sizeof(unsigned long))));
 };
 
-#define	to_scsi_host(d)	d->class_data
+#define	to_scsi_host(d)	d->driver_data	/* Major logical breakage, but we compile again... */
 	
 /*
  * These two functions are used to allocate and free a pseudo device
@@ -607,7 +607,7 @@ static inline Scsi_Device *scsi_find_device(struct Scsi_Host *shost,
 extern int scsi_upper_driver_register(struct Scsi_Device_Template *);
 extern void scsi_upper_driver_unregister(struct Scsi_Device_Template *);
 
-extern struct device_class shost_devclass;
+extern struct class shost_class;
 
 #endif
 /*

drivers/scsi/scsi_debug.c

@@ -183,7 +183,6 @@ static struct device_driver sdebug_driverfs_driver = {
 	.name 		= sdebug_proc_name,
 	.probe          = sdebug_driver_probe,
 	.remove         = sdebug_driver_remove,
-	.devclass 	= &shost_devclass,
 };
 
 static const int check_condition_result = 

drivers/scsi/scsi_syms.c

@@ -112,4 +112,4 @@ EXPORT_SYMBOL(scsi_delete_timer);
 /*
  * sysfs support
  */
-EXPORT_SYMBOL(shost_devclass);
+EXPORT_SYMBOL(shost_class);

drivers/scsi/scsi_sysfs.c

@@ -75,30 +75,8 @@ static ssize_t scsi_host_class_name_show(struct device *dev, char *page)
 
 DEVICE_ATTR(class_name, S_IRUGO, scsi_host_class_name_show, NULL);
 
-static int scsi_host_class_add_dev(struct device * dev)
-{
-	int i;
-
-	device_create_file(dev, &dev_attr_class_name);
-	for (i = 0; i < ARRAY_SIZE(shost_attrs); i++)
-		device_create_file(dev, shost_attrs[i]);
-
-	return 0;
-}
-
-static void scsi_host_class_rm_dev(struct device * dev)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(shost_attrs); i++)
-		device_remove_file(dev, shost_attrs[i]);
-	device_remove_file(dev, &dev_attr_class_name);
-}
-
-struct device_class shost_devclass = {
+struct class shost_class = {
 	.name		= "scsi-host",
-	.add_device	= scsi_host_class_add_dev,
-	.remove_device	= scsi_host_class_rm_dev,
 };
 
 /**
@@ -136,14 +114,14 @@ static struct bus_type scsi_bus_type = {
 int scsi_sysfs_register(void)
 {
 	bus_register(&scsi_bus_type);
-	devclass_register(&shost_devclass);
+	class_register(&shost_class);
 
 	return 0;
 }
 
 void scsi_sysfs_unregister(void)
 {
-	devclass_unregister(&shost_devclass);
+	class_unregister(&shost_class);
 	bus_unregister(&scsi_bus_type);
 }