stmmac: make function tables const
These tables only contain function pointers.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/stmmac/stmmac.h b/drivers/net/stmmac/stmmac.h
index 92154ff..79bdc2e 100644
--- a/drivers/net/stmmac/stmmac.h
+++ b/drivers/net/stmmac/stmmac.h
@@ -121,5 +121,5 @@
extern int stmmac_mdio_unregister(struct net_device *ndev);
extern int stmmac_mdio_register(struct net_device *ndev);
extern void stmmac_set_ethtool_ops(struct net_device *netdev);
-extern struct stmmac_desc_ops enh_desc_ops;
-extern struct stmmac_desc_ops ndesc_ops;
+extern const struct stmmac_desc_ops enh_desc_ops;
+extern const struct stmmac_desc_ops ndesc_ops;