net: bcmgenet: pull mac_config from adjust_link

This commit separates out the MAC configuration that occurs on a
PHY state change into a function named bcmgenet_mac_config().

This allows the function to be called directly elsewhere.

Signed-off-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 8fce587..789ca62 100644 (file)
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -25,59 +25,63 @@
 
 #include "bcmgenet.h"
 
-/* setup netdev link state when PHY link status change and
- * update UMAC and RGMII block when link up
- */
-void bcmgenet_mii_setup(struct net_device *dev)
+static void bcmgenet_mac_config(struct net_device *dev)
 {
        struct bcmgenet_priv *priv = netdev_priv(dev);
        struct phy_device *phydev = dev->phydev;
        u32 reg, cmd_bits = 0;
 
-       if (phydev->link) {
-               /* speed */
-               if (phydev->speed == SPEED_1000)
-                       cmd_bits = CMD_SPEED_1000;
-               else if (phydev->speed == SPEED_100)
-                       cmd_bits = CMD_SPEED_100;
-               else
-                       cmd_bits = CMD_SPEED_10;
-               cmd_bits <<= CMD_SPEED_SHIFT;
-
-               /* duplex */
-               if (phydev->duplex != DUPLEX_FULL)
-                       cmd_bits |= CMD_HD_EN;
-
-               /* pause capability */
-               if (!phydev->pause)
-                       cmd_bits |= CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE;
-
-               /*
-                * Program UMAC and RGMII block based on established
-                * link speed, duplex, and pause. The speed set in
-                * umac->cmd tell RGMII block which clock to use for
-                * transmit -- 25MHz(100Mbps) or 125MHz(1Gbps).
-                * Receive clock is provided by the PHY.
-                */
-               reg = bcmgenet_ext_readl(priv, EXT_RGMII_OOB_CTRL);
-               reg &= ~OOB_DISABLE;
-               reg |= RGMII_LINK;
-               bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL);
-
-               reg = bcmgenet_umac_readl(priv, UMAC_CMD);
-               reg &= ~((CMD_SPEED_MASK << CMD_SPEED_SHIFT) |
-                              CMD_HD_EN |
-                              CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE);
-               reg |= cmd_bits;
-               if (reg & CMD_SW_RESET) {
-                       reg &= ~CMD_SW_RESET;
-                       bcmgenet_umac_writel(priv, reg, UMAC_CMD);
-                       udelay(2);
-                       reg |= CMD_TX_EN | CMD_RX_EN;
-               }
+       /* speed */
+       if (phydev->speed == SPEED_1000)
+               cmd_bits = CMD_SPEED_1000;
+       else if (phydev->speed == SPEED_100)
+               cmd_bits = CMD_SPEED_100;
+       else
+               cmd_bits = CMD_SPEED_10;
+       cmd_bits <<= CMD_SPEED_SHIFT;
+
+       /* duplex */
+       if (phydev->duplex != DUPLEX_FULL)
+               cmd_bits |= CMD_HD_EN;
+
+       /* pause capability */
+       if (!phydev->pause)
+               cmd_bits |= CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE;
+
+       /* Program UMAC and RGMII block based on established
+        * link speed, duplex, and pause. The speed set in
+        * umac->cmd tell RGMII block which clock to use for
+        * transmit -- 25MHz(100Mbps) or 125MHz(1Gbps).
+        * Receive clock is provided by the PHY.
+        */
+       reg = bcmgenet_ext_readl(priv, EXT_RGMII_OOB_CTRL);
+       reg &= ~OOB_DISABLE;
+       reg |= RGMII_LINK;
+       bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL);
+
+       reg = bcmgenet_umac_readl(priv, UMAC_CMD);
+       reg &= ~((CMD_SPEED_MASK << CMD_SPEED_SHIFT) |
+                      CMD_HD_EN |
+                      CMD_RX_PAUSE_IGNORE | CMD_TX_PAUSE_IGNORE);
+       reg |= cmd_bits;
+       if (reg & CMD_SW_RESET) {
+               reg &= ~CMD_SW_RESET;
                bcmgenet_umac_writel(priv, reg, UMAC_CMD);
+               udelay(2);
+               reg |= CMD_TX_EN | CMD_RX_EN;
        }
+       bcmgenet_umac_writel(priv, reg, UMAC_CMD);
+}
+
+/* setup netdev link state when PHY link status change and
+ * update UMAC and RGMII block when link up
+ */
+void bcmgenet_mii_setup(struct net_device *dev)
+{
+       struct phy_device *phydev = dev->phydev;
 
+       if (phydev->link)
+               bcmgenet_mac_config(dev);
        phy_print_status(phydev);
 }