Merge branch 'upstream-fixes'

1 files changed, 36 insertions, 10 deletions

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 189203c95330..572f121b1f4e 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -1644,6 +1644,22 @@ static void yukon_reset(struct skge_hw *hw, int port)
                          | GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
 }
 
+/* Apparently, early versions of Yukon-Lite had wrong chip_id? */
+static int is_yukon_lite_a0(struct skge_hw *hw)
+{
+        u32 reg;
+        int ret;
+
+        if (hw->chip_id != CHIP_ID_YUKON)
+                return 0;
+
+        reg = skge_read32(hw, B2_FAR);
+        skge_write8(hw, B2_FAR + 3, 0xff);
+        ret = (skge_read8(hw, B2_FAR + 3) != 0);
+        skge_write32(hw, B2_FAR, reg);
+        return ret;
+}
+
 static void yukon_mac_init(struct skge_hw *hw, int port)
 {
         struct skge_port *skge = netdev_priv(hw->dev[port]);
@@ -1759,9 +1775,11 @@ static void yukon_mac_init(struct skge_hw *hw, int port)
         /* Configure Rx MAC FIFO */
         skge_write16(hw, SK_REG(port, RX_GMF_FL_MSK), RX_FF_FL_DEF_MSK);
         reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
-        if (hw->chip_id == CHIP_ID_YUKON_LITE &&
-            hw->chip_rev >= CHIP_REV_YU_LITE_A3)
+
+        /* disable Rx GMAC FIFO Flush for YUKON-Lite Rev. A0 only */
+        if (is_yukon_lite_a0(hw))
                 reg &= ~GMF_RX_F_FL_ON;
+
         skge_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);
         skge_write16(hw, SK_REG(port, RX_GMF_CTRL_T), reg);
         /*
@@ -2820,21 +2838,29 @@ static void skge_netpoll(struct net_device *dev)
 static int skge_set_mac_address(struct net_device *dev, void *p)
 {
         struct skge_port *skge = netdev_priv(dev);
-        struct sockaddr *addr = p;
-        int err = 0;
+        struct skge_hw *hw = skge->hw;
+        unsigned port = skge->port;
+        const struct sockaddr *addr = p;
 
         if (!is_valid_ether_addr(addr->sa_data))
                 return -EADDRNOTAVAIL;
 
-        skge_down(dev);
+        spin_lock_bh(&hw->phy_lock);
         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
-        memcpy_toio(skge->hw->regs + B2_MAC_1 + skge->port*8,
+        memcpy_toio(hw->regs + B2_MAC_1 + port*8,
                     dev->dev_addr, ETH_ALEN);
-        memcpy_toio(skge->hw->regs + B2_MAC_2 + skge->port*8,
+        memcpy_toio(hw->regs + B2_MAC_2 + port*8,
                     dev->dev_addr, ETH_ALEN);
-        if (dev->flags & IFF_UP)
-                err = skge_up(dev);
-        return err;
+
+        if (hw->chip_id == CHIP_ID_GENESIS)
+                xm_outaddr(hw, port, XM_SA, dev->dev_addr);
+        else {
+                gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr);
+                gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr);
+        }
+        spin_unlock_bh(&hw->phy_lock);
+
+        return 0;
 }
 
 static const struct {