r8169: revert part of 6dccd16b7c2703e8bbf8bca62b5cf248332afbe2

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

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c9333b9dd51aac98c7f17c8406da30c9366bc7a7..c76dd29c8e9a1ef8f17d60067c08a2c970d788e8 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -725,6 +725,12 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
 
        auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
 
+       if (tp->mac_version == RTL_GIGA_MAC_VER_12) {
+               /* Vendor specific (0x1f) and reserved (0x0e) MII registers. */
+               mdio_write(ioaddr, 0x1f, 0x0000);
+               mdio_write(ioaddr, 0x0e, 0x0000);
+       }
+
        tp->phy_auto_nego_reg = auto_nego;
        tp->phy_1000_ctrl_reg = giga_ctrl;
 
@@ -1222,7 +1228,10 @@ static void rtl8169_hw_phy_config(struct net_device *dev)
                return;
        }
 
-       /* phy config for RTL8169s mac_version C chip */
+       if ((tp->mac_version != RTL_GIGA_MAC_VER_02) &&
+           (tp->mac_version != RTL_GIGA_MAC_VER_03))
+               return;
+
        mdio_write(ioaddr, 31, 0x0001);                 //w 31 2 0 1
        mdio_write(ioaddr, 21, 0x1000);                 //w 21 15 0 1000
        mdio_write(ioaddr, 24, 0x65c7);                 //w 24 15 0 65c7
@@ -1909,7 +1918,11 @@ static void rtl_hw_start_8169(struct net_device *dev)
 
        rtl_set_rx_max_size(ioaddr);
 
-       rtl_set_rx_tx_config_registers(tp);
+       if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
+           (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
+           (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
+           (tp->mac_version == RTL_GIGA_MAC_VER_04))
+               rtl_set_rx_tx_config_registers(tp);
 
        tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
 
@@ -1932,6 +1945,14 @@ static void rtl_hw_start_8169(struct net_device *dev)
 
        rtl_set_rx_tx_desc_registers(tp, ioaddr);
 
+       if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
+           (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
+           (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
+           (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
+               RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+               rtl_set_rx_tx_config_registers(tp);
+       }
+
        RTL_W8(Cfg9346, Cfg9346_Lock);
 
        /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
@@ -1946,8 +1967,6 @@ static void rtl_hw_start_8169(struct net_device *dev)
 
        /* Enable all known interrupts by setting the interrupt mask. */
        RTL_W16(IntrMask, tp->intr_event);
-
-       RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
 }
 
 static void rtl_hw_start_8168(struct net_device *dev)
@@ -2561,6 +2580,15 @@ static void rtl8169_tx_interrupt(struct net_device *dev,
                    (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
                        netif_wake_queue(dev);
                }
+               /*
+                * 8168 hack: TxPoll requests are lost when the Tx packets are
+                * too close. Let's kick an extra TxPoll request when a burst
+                * of start_xmit activity is detected (if it is not detected,
+                * it is slow enough). -- FR
+                */
+               smp_rmb();
+               if (tp->cur_tx != dirty_tx)
+                       RTL_W8(TxPoll, NPQ);
        }
 }
 
@@ -2760,14 +2788,16 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
                        rtl8169_check_link_status(dev, tp, ioaddr);
 
 #ifdef CONFIG_R8169_NAPI
-               RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
-               tp->intr_mask = ~tp->napi_event;
-
-               if (likely(netif_rx_schedule_prep(dev)))
-                       __netif_rx_schedule(dev);
-               else if (netif_msg_intr(tp)) {
-                       printk(KERN_INFO "%s: interrupt %04x taken in poll\n",
-                              dev->name, status);
+               if (status & tp->napi_event) {
+                       RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
+                       tp->intr_mask = ~tp->napi_event;
+
+                       if (likely(netif_rx_schedule_prep(dev)))
+                               __netif_rx_schedule(dev);
+                       else if (netif_msg_intr(tp)) {
+                               printk(KERN_INFO "%s: interrupt %04x in poll\n",
+                                      dev->name, status);
+                       }
                }
                break;
 #else