ps3: some minor cleanups

- Removed the embarrassing definition which was used in only one
  place.
- Fixed wrong initialization of dmac_cmd_status.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index 676a89d..f0610fb 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -290,7 +290,8 @@
 			descr->buf_addr = 0;
 			dev_kfree_skb_any(descr->skb);
 			descr->skb = NULL;
-			descr->dmac_cmd_status = GELIC_NET_DESCR_NOT_IN_USE;
+			gelic_net_set_descr_status(descr,
+						   GELIC_NET_DESCR_NOT_IN_USE);
 		}
 		descr = descr->next;
 	} while (descr != card->rx_chain.head);
@@ -374,7 +375,7 @@
 	descr->skb = NULL;
 
 	/* set descr status */
-	descr->dmac_cmd_status = GELIC_NET_DMAC_CMDSTAT_NOT_IN_USE;
+	gelic_net_set_descr_status(descr, GELIC_NET_DESCR_NOT_IN_USE);
 }
 
 /**