r8169: prevent bit sign expansion error in mdio_write

[linux-2.6-omap-h63xx.git] / drivers / net / r8169.c

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 9dbab3f2e59fa5781c7ce929b503ff5e19e2fbe1..1f647b9ce352128ae65fbc3d15d15062615adeea 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -470,7 +470,7 @@ static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
 {
        int i;
 
-       RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0xFF) << 16 | value);
+       RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
 
        for (i = 20; i > 0; i--) {
                /*
@@ -487,7 +487,7 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr)
 {
        int i, value = -1;
 
-       RTL_W32(PHYAR, 0x0 | (reg_addr & 0xFF) << 16);
+       RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
 
        for (i = 20; i > 0; i--) {
                /*
@@ -495,7 +495,7 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr)
                 * the specified MII register.
                 */
                if (RTL_R32(PHYAR) & 0x80000000) {
-                       value = (int) (RTL_R32(PHYAR) & 0xFFFF);
+                       value = RTL_R32(PHYAR) & 0xffff;
                        break;
                }
                udelay(25);
@@ -1247,16 +1247,6 @@ static void rtl8169sb_hw_phy_config(void __iomem *ioaddr)
 
        rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
 }
-static void rtl8168b_hw_phy_config(void __iomem *ioaddr)
-{
-       struct phy_reg phy_reg_init[] = {
-               { 0x1f, 0x0000 },
-               { 0x10, 0xf41b },
-               { 0x1f, 0x0000 }
-       };
-
-       rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
-}
 
 static void rtl8168cp_hw_phy_config(void __iomem *ioaddr)
 {
@@ -1326,11 +1316,6 @@ static void rtl_hw_phy_config(struct net_device *dev)
        case RTL_GIGA_MAC_VER_04:
                rtl8169sb_hw_phy_config(ioaddr);
                break;
-       case RTL_GIGA_MAC_VER_11:
-       case RTL_GIGA_MAC_VER_12:
-       case RTL_GIGA_MAC_VER_17:
-               rtl8168b_hw_phy_config(ioaddr);
-               break;
        case RTL_GIGA_MAC_VER_18:
                rtl8168cp_hw_phy_config(ioaddr);
                break;