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, 5 insertions, 4 deletions

diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 4f2fef6cf6dc..3131a59a8d32 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -37,6 +37,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/crc32.h>
+#include <linux/mii.h>
 #include "../8390.h"
 
 #include <pcmcia/cs_types.h>
@@ -697,16 +698,16 @@ static const struct ethtool_ops netdev_ethtool_ops = {
 static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
     axnet_dev_t *info = PRIV(dev);
-    u16 *data = (u16 *)&rq->ifr_ifru;
+    struct mii_ioctl_data *data = if_mii(rq);
     unsigned int mii_addr = dev->base_addr + AXNET_MII_EEP;
     switch (cmd) {
     case SIOCGMIIPHY:
-        data[0] = info->phy_id;
+        data->phy_id = info->phy_id;
     case SIOCGMIIREG:           /* Read MII PHY register. */
-        data[3] = mdio_read(mii_addr, data[0], data[1] & 0x1f);
+        data->val_out = mdio_read(mii_addr, data->phy_id, data->reg_num & 0x1f);
         return 0;
     case SIOCSMIIREG:           /* Write MII PHY register. */
-        mdio_write(mii_addr, data[0], data[1] & 0x1f, data[2]);
+        mdio_write(mii_addr, data->phy_id, data->reg_num & 0x1f, data->val_in);
         return 0;
     }
     return -EOPNOTSUPP;