phylib: SIOCGMIIREG/SIOCSMIIREG: allow access to all mdio addresses

phylib would silently ignore the phy_id argument to these ioctls and
perform the read/write with the active phydev address, whereas most
non-phylib drivers seem to allow access to all mdio addresses
(E.G. pcnet_cs).

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index a8445c72fc13..f7670330f988 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -319,7 +319,8 @@ int phy_mii_ioctl(struct phy_device *phydev,
                 /* fall through */
 
         case SIOCGMIIREG:
-                mii_data->val_out = phy_read(phydev, mii_data->reg_num);
+                mii_data->val_out = mdiobus_read(phydev->bus, mii_data->phy_id,
+                                                 mii_data->reg_num);
                 break;
 
         case SIOCSMIIREG:
@@ -350,8 +351,9 @@ int phy_mii_ioctl(struct phy_device *phydev,
                         }
                 }
 
-                phy_write(phydev, mii_data->reg_num, val);
-                
+                mdiobus_write(phydev->bus, mii_data->phy_id,
+                              mii_data->reg_num, val);
+
                 if (mii_data->reg_num == MII_BMCR &&
                     val & BMCR_RESET &&
                     phydev->drv->config_init) {