ieee1394: mark all hpsb_address_ops instances as const

These are never modified.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index bf7e761..bad66c6 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -90,7 +90,7 @@
 static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
 		      u64 addr, octlet_t data, octlet_t arg, int ext_tcode,
 		      u16 flags);
-static struct hpsb_address_ops arm_ops = {
+const static struct hpsb_address_ops arm_ops = {
 	.read = arm_read,
 	.write = arm_write,
 	.lock = arm_lock,