net: phy: micrel: clean up led-mode setup

Clean up led-mode setup by introducing proper defines for PHY Control
registers 1 and 2 and only passing the register to the setup function.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index ec9ce35..12e18f7 100644 (file)
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -47,8 +47,12 @@
 #define        KSZPHY_INTCS_ALL                        (KSZPHY_INTCS_LINK_UP |\
                                                KSZPHY_INTCS_LINK_DOWN)
 
-/* general PHY control reg in vendor specific block. */
-#define        MII_KSZPHY_CTRL                 0x1F
+/* PHY Control 1 */
+#define        MII_KSZPHY_CTRL_1                       0x1e
+
+/* PHY Control 2 / PHY Control (if no PHY Control 1) */
+#define        MII_KSZPHY_CTRL_2                       0x1f
+#define        MII_KSZPHY_CTRL                         MII_KSZPHY_CTRL_2
 /* bitmap of PHY register to set interrupt mode */
 #define KSZPHY_CTRL_INT_ACTIVE_HIGH            BIT(9)
 #define KSZ9021_CTRL_INT_ACTIVE_HIGH           BIT(14)
@@ -158,13 +162,12 @@ static int ks8737_config_intr(struct phy_device *phydev)
        return rc < 0 ? rc : 0;
 }
 
-static int kszphy_setup_led(struct phy_device *phydev,
-                           unsigned int reg, unsigned int shift)
+static int kszphy_setup_led(struct phy_device *phydev, u32 reg)
 {
 
        struct device *dev = &phydev->dev;
        struct device_node *of_node = dev->of_node;
-       int rc, temp;
+       int rc, temp, shift;
        u32 val;
 
        if (!of_node && dev->parent->of_node)
@@ -178,6 +181,17 @@ static int kszphy_setup_led(struct phy_device *phydev,
                return -EINVAL;
        }
 
+       switch (reg) {
+       case MII_KSZPHY_CTRL_1:
+               shift = 14;
+               break;
+       case MII_KSZPHY_CTRL_2:
+               shift = 4;
+               break;
+       default:
+               return -EINVAL;
+       }
+
        temp = phy_read(phydev, reg);
        if (temp < 0) {
                rc = temp;
@@ -220,15 +234,14 @@ static int kszphy_config_init(struct phy_device *phydev)
 
 static int kszphy_config_init_led8041(struct phy_device *phydev)
 {
-       /* single led control, register 0x1e bits 15..14 */
-       return kszphy_setup_led(phydev, 0x1e, 14);
+       return kszphy_setup_led(phydev, MII_KSZPHY_CTRL_1);
 }
 
 static int ksz8021_config_init(struct phy_device *phydev)
 {
        int rc;
 
-       kszphy_setup_led(phydev, 0x1f, 4);
+       kszphy_setup_led(phydev, MII_KSZPHY_CTRL_2);
 
        rc = ksz_config_flags(phydev);
        if (rc < 0)
@@ -243,7 +256,7 @@ static int ks8051_config_init(struct phy_device *phydev)
 {
        int rc;
 
-       kszphy_setup_led(phydev, 0x1f, 4);
+       kszphy_setup_led(phydev, MII_KSZPHY_CTRL_2);
 
        rc = ksz_config_flags(phydev);
        return rc < 0 ? rc : 0;