diff -ur --new-file a/drivers/base/interface.c b/drivers/base/interface.c
--- a/drivers/base/interface.c  Wed Aug 14 17:09:28 2002
+++ b/drivers/base/interface.c  Fri Aug 16 22:03:18 2002
@@ -88,8 +88,20 @@
 static DEVICE_ATTR(power,"power",S_IWUSR | S_IRUGO,
           device_read_power,device_write_power);
 
+
+static ssize_t device_read_driver(struct device * dev, char * buf, size_t count, loff_t off)
+{
+   if (dev->driver)
+       return off ? 0 : sprintf(buf,"%s\n",dev->driver->name);
+   else
+       return 0;
+}
+
+static DEVICE_ATTR(driver,"driver",S_IRUGO,device_read_driver,NULL);
+
 struct device_attribute * device_default_files[] = {
    &dev_attr_name,
    &dev_attr_power,
+   &dev_attr_driver,
    NULL,
 };