[S390] css: Use css_device_id for bus matching.

css_device_id exists, so use it for determining the right driver
(and add a match_flags which is always 1 for valid types).

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 1fd03e7..c4db582 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -161,8 +161,8 @@
 
 /* s390 css bus devices (subchannels) */
 struct css_device_id {
+	__u8 match_flags;
 	__u8 type; /* subchannel type */
-	__u8 pad1;
 	__u16 pad2;
 	__u32 pad3;
 	kernel_ulong_t driver_data;