netdev: drivers should make ethtool_ops const

No need to put ethtool_ops in data, they should be const.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/arm/ep93xx_eth.c b/drivers/net/arm/ep93xx_eth.c
index fbf4645..2be49c8 100644
--- a/drivers/net/arm/ep93xx_eth.c
+++ b/drivers/net/arm/ep93xx_eth.c
@@ -762,7 +762,7 @@
 	return mii_link_ok(&ep->mii);
 }
 
-static struct ethtool_ops ep93xx_ethtool_ops = {
+static const struct ethtool_ops ep93xx_ethtool_ops = {
 	.get_drvinfo		= ep93xx_get_drvinfo,
 	.get_settings		= ep93xx_get_settings,
 	.set_settings		= ep93xx_set_settings,
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index 3fe0987..691b81e 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -802,7 +802,7 @@
 	return phy_start_aneg(port->phydev);
 }
 
-static struct ethtool_ops ixp4xx_ethtool_ops = {
+static const struct ethtool_ops ixp4xx_ethtool_ops = {
 	.get_drvinfo = ixp4xx_get_drvinfo,
 	.get_settings = ixp4xx_get_settings,
 	.set_settings = ixp4xx_set_settings,
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 35cd264..4f702d5 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -1063,7 +1063,7 @@
 		sizeof(info->bus_info));
 }
 
-static struct ethtool_ops ks8695_ethtool_ops = {
+static const struct ethtool_ops ks8695_ethtool_ops = {
 	.get_msglevel	= ks8695_get_msglevel,
 	.set_msglevel	= ks8695_set_msglevel,
 	.get_settings	= ks8695_get_settings,