driver-core: remove legacy iSeries hack

The PowerPC legacy iSeries plateform is being removed along with the
"one looney iseries driver", so this code can now be removed as well.

cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/base/driver.c

@@ -123,36 +123,6 @@ void driver_remove_file(struct device_driver *drv,
 }
 EXPORT_SYMBOL_GPL(driver_remove_file);
 
-/**
- * driver_add_kobj - add a kobject below the specified driver
- * @drv: requesting device driver
- * @kobj: kobject to add below this driver
- * @fmt: format string that names the kobject
- *
- * You really don't want to do this, this is only here due to one looney
- * iseries driver, go poke those developers if you are annoyed about
- * this...
- */
-int driver_add_kobj(struct device_driver *drv, struct kobject *kobj,
-		    const char *fmt, ...)
-{
-	va_list args;
-	char *name;
-	int ret;
-
-	va_start(args, fmt);
-	name = kvasprintf(GFP_KERNEL, fmt, args);
-	va_end(args);
-
-	if (!name)
-		return -ENOMEM;
-
-	ret = kobject_add(kobj, &drv->p->kobj, "%s", name);
-	kfree(name);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(driver_add_kobj);
-
 /**
  * get_driver - increment driver reference count.
  * @drv: driver.

include/linux/device.h

@@ -264,10 +264,6 @@ extern int __must_check driver_create_file(struct device_driver *driver,
 extern void driver_remove_file(struct device_driver *driver,
 			       const struct driver_attribute *attr);
 
-extern int __must_check driver_add_kobj(struct device_driver *drv,
-					struct kobject *kobj,
-					const char *fmt, ...);
-
 extern int __must_check driver_for_each_device(struct device_driver *drv,
 					       struct device *start,
 					       void *data,