Remove TBI mode support needed for MAC version 01 only.

Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
 drivers/net/ethernet/realtek/r8168.c | 123 ++---------------------------------
 1 file changed, 6 insertions(+), 117 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8168.c 
b/drivers/net/ethernet/realtek/r8168.c
index a80b7ce80..48b7edff8 100644
--- a/drivers/net/ethernet/realtek/r8168.c
+++ b/drivers/net/ethernet/realtek/r8168.c
@@ -426,12 +426,6 @@ enum rtl_registers {
        FuncForceEvent  = 0xfc,
 };
 
-enum rtl8110_registers {
-       TBICSR                  = 0x64,
-       TBI_ANAR                = 0x68,
-       TBI_LPAR                = 0x6a,
-};
-
 enum rtl8168_8101_registers {
        CSIDR                   = 0x64,
        CSIAR                   = 0x68,
@@ -603,14 +597,6 @@ enum rtl_register_content {
        PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# 
*/
        ASPM_en         = (1 << 0),     /* ASPM enable */
 
-       /* TBICSR p.28 */
-       TBIReset        = 0x80000000,
-       TBILoopback     = 0x40000000,
-       TBINwEnable     = 0x20000000,
-       TBINwRestart    = 0x10000000,
-       TBILinkOk       = 0x02000000,
-       TBINwComplete   = 0x01000000,
-
        /* CPlusCmd p.31 */
        EnableBist      = (1 << 15),    // 8168 8101
        Mac_dbgo_oe     = (1 << 14),    // 8168 8101
@@ -641,9 +627,6 @@ enum rtl_register_content {
        LinkStatus      = 0x02,
        FullDup         = 0x01,
 
-       /* _TBICSRBit */
-       TBILinkOK       = 0x02000000,
-
        /* ResetCounterCommand */
        CounterReset    = 0x1,
 
@@ -1581,35 +1564,16 @@ static void rtl8169_irq_mask_and_ack(struct 
rtl8169_private *tp)
        RTL_R8(ChipCmd);
 }
 
-static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
-{
-       void __iomem *ioaddr = tp->mmio_addr;
-
-       return RTL_R32(TBICSR) & TBIReset;
-}
-
 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
 {
        return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
 }
 
-static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
-{
-       return RTL_R32(TBICSR) & TBILinkOk;
-}
-
 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
 {
        return RTL_R8(PHYstatus) & LinkStatus;
 }
 
-static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
-{
-       void __iomem *ioaddr = tp->mmio_addr;
-
-       RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
-}
-
 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
 {
        unsigned int val;
@@ -1911,29 +1875,6 @@ static int rtl8169_get_regs_len(struct net_device *dev)
        return R8169_REGS_SIZE;
 }
 
-static int rtl8169_set_speed_tbi(struct net_device *dev,
-                                u8 autoneg, u16 speed, u8 duplex, u32 ignored)
-{
-       struct rtl8169_private *tp = netdev_priv(dev);
-       void __iomem *ioaddr = tp->mmio_addr;
-       int ret = 0;
-       u32 reg;
-
-       reg = RTL_R32(TBICSR);
-       if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
-           (duplex == DUPLEX_FULL)) {
-               RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
-       } else if (autoneg == AUTONEG_ENABLE)
-               RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
-       else {
-               netif_warn(tp, link, dev,
-                          "incorrect speed setting refused in TBI mode\n");
-               ret = -EOPNOTSUPP;
-       }
-
-       return ret;
-}
-
 static int rtl8169_set_speed_xmii(struct net_device *dev,
                                  u8 autoneg, u16 speed, u8 duplex, u32 adv)
 {
@@ -2095,33 +2036,6 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, 
struct sk_buff *skb)
                __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 
0xffff));
 }
 
-static int rtl8169_get_link_ksettings_tbi(struct net_device *dev,
-                                         struct ethtool_link_ksettings *cmd)
-{
-       struct rtl8169_private *tp = netdev_priv(dev);
-       void __iomem *ioaddr = tp->mmio_addr;
-       u32 status;
-       u32 supported, advertising;
-
-       supported =
-               SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
-       cmd->base.port = PORT_FIBRE;
-
-       status = RTL_R32(TBICSR);
-       advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
-       cmd->base.autoneg = !!(status & TBINwEnable);
-
-       cmd->base.speed = SPEED_1000;
-       cmd->base.duplex = DUPLEX_FULL; /* Always set */
-
-       ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
-                                               supported);
-       ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
-                                               advertising);
-
-       return 0;
-}
-
 static int rtl8169_get_link_ksettings_xmii(struct net_device *dev,
                                           struct ethtool_link_ksettings *cmd)
 {
@@ -4438,14 +4352,6 @@ static void rtl8169_phy_reset(struct net_device *dev,
        rtl_msleep_loop_wait_low(tp, &rtl_phy_reset_cond, 1, 100);
 }
 
-static bool rtl_tbi_enabled(struct rtl8169_private *tp)
-{
-       void __iomem *ioaddr = tp->mmio_addr;
-
-       return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
-           (RTL_R8(PHYstatus) & TBI_Enable);
-}
-
 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private 
*tp)
 {
        rtl_hw_phy_config(dev);
@@ -4460,9 +4366,6 @@ static void rtl8169_init_phy(struct net_device *dev, 
struct rtl8169_private *tp)
                          (tp->mii.supports_gmii ?
                           ADVERTISED_1000baseT_Half |
                           ADVERTISED_1000baseT_Full : 0));
-
-       if (rtl_tbi_enabled(tp))
-               netif_info(tp, link, dev, "TBI auto-negotiating\n");
 }
 
 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
@@ -4535,11 +4438,6 @@ static int rtl_xmii_ioctl(struct rtl8169_private *tp,
        return -EOPNOTSUPP;
 }
 
-static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data 
*data, int cmd)
-{
-       return -EOPNOTSUPP;
-}
-
 static void rtl_init_mdio_ops(struct rtl8169_private *tp)
 {
        struct mdio_ops *ops = &tp->mdio_ops;
@@ -8263,21 +8161,12 @@ static int rtl_init_one(struct pci_dev *pdev, const 
struct pci_device_id *ent)
        tp->features |= rtl_try_msi(tp, cfg);
        RTL_W8(Cfg9346, Cfg9346_Lock);
 
-       if (rtl_tbi_enabled(tp)) {
-               tp->set_speed = rtl8169_set_speed_tbi;
-               tp->get_link_ksettings = rtl8169_get_link_ksettings_tbi;
-               tp->phy_reset_enable = rtl8169_tbi_reset_enable;
-               tp->phy_reset_pending = rtl8169_tbi_reset_pending;
-               tp->link_ok = rtl8169_tbi_link_ok;
-               tp->do_ioctl = rtl_tbi_ioctl;
-       } else {
-               tp->set_speed = rtl8169_set_speed_xmii;
-               tp->get_link_ksettings = rtl8169_get_link_ksettings_xmii;
-               tp->phy_reset_enable = rtl8169_xmii_reset_enable;
-               tp->phy_reset_pending = rtl8169_xmii_reset_pending;
-               tp->link_ok = rtl8169_xmii_link_ok;
-               tp->do_ioctl = rtl_xmii_ioctl;
-       }
+       tp->set_speed = rtl8169_set_speed_xmii;
+       tp->get_link_ksettings = rtl8169_get_link_ksettings_xmii;
+       tp->phy_reset_enable = rtl8169_xmii_reset_enable;
+       tp->phy_reset_pending = rtl8169_xmii_reset_pending;
+       tp->link_ok = rtl8169_xmii_link_ok;
+       tp->do_ioctl = rtl_xmii_ioctl;
 
        mutex_init(&tp->wk.mutex);
        u64_stats_init(&tp->rx_stats.syncp);
-- 
2.15.1


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