netdev: Convert MDIO ioctl implementation to use struct mii_ioctl_data

A few drivers still access the arguments to MDIO ioctls as an array of
u16.  Convert them to use struct mii_ioctl_data.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 8a95234d419c..1d7d7fef414f 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2209,7 +2209,7 @@ static const struct ethtool_ops emac_ethtool_ops = {
 static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
 {
         struct emac_instance *dev = netdev_priv(ndev);
-        uint16_t *data = (uint16_t *) & rq->ifr_ifru;
+        struct mii_ioctl_data *data = if_mii(rq);
 
         DBG(dev, "ioctl %08x" NL, cmd);
 
@@ -2218,14 +2218,16 @@ static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
 
         switch (cmd) {
         case SIOCGMIIPHY:
-                data[0] = dev->phy.address;
+                data->phy_id = dev->phy.address;
                 /* Fall through */
         case SIOCGMIIREG:
-                data[3] = emac_mdio_read(ndev, dev->phy.address, data[1]);
+                data->val_out = emac_mdio_read(ndev, dev->phy.address,
+                                               data->reg_num);
                 return 0;
 
         case SIOCSMIIREG:
-                emac_mdio_write(ndev, dev->phy.address, data[1], data[2]);
+                emac_mdio_write(ndev, dev->phy.address, data->reg_num,
+                                data->val_in);
                 return 0;
         default:
                 return -EOPNOTSUPP;