generic: ar8216: use mdiobus_write in ar8236_hw_init

[openwrt.git] / target / linux / generic / files / drivers / net / phy / ar8216.c

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 57088a9..1183cbc 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -48,6 +48,8 @@ struct ar8216_priv {
        bool port4_phy;
        char buf[80];
 
+       bool init;
+
        /* all fields below are cleared on reset */
        bool vlan;
        u16 vlan_id[AR8X16_MAX_VLANS];
@@ -75,14 +77,20 @@ static u32
 ar8216_mii_read(struct ar8216_priv *priv, int reg)
 {
        struct phy_device *phy = priv->phy;
+       struct mii_bus *bus = phy->bus;
        u16 r1, r2, page;
        u16 lo, hi;
 
        split_addr((u32) reg, &r1, &r2, &page);
-       mdiobus_write(phy->bus, 0x18, 0, page);
+
+       mutex_lock(&bus->mdio_lock);
+
+       bus->write(bus, 0x18, 0, page);
        msleep(1); /* wait for the page switch to propagate */
-       lo = mdiobus_read(phy->bus, 0x10 | r2, r1);
-       hi = mdiobus_read(phy->bus, 0x10 | r2, r1 + 1);
+       lo = bus->read(bus, 0x10 | r2, r1);
+       hi = bus->read(bus, 0x10 | r2, r1 + 1);
+
+       mutex_unlock(&bus->mdio_lock);
 
        return (hi << 16) | lo;
 }
@@ -91,17 +99,22 @@ static void
 ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
 {
        struct phy_device *phy = priv->phy;
+       struct mii_bus *bus = phy->bus;
        u16 r1, r2, r3;
        u16 lo, hi;
 
        split_addr((u32) reg, &r1, &r2, &r3);
-       mdiobus_write(phy->bus, 0x18, 0, r3);
-       msleep(1); /* wait for the page switch to propagate */
-
        lo = val & 0xffff;
        hi = (u16) (val >> 16);
-       mdiobus_write(phy->bus, 0x10 | r2, r1 + 1, hi);
-       mdiobus_write(phy->bus, 0x10 | r2, r1, lo);
+
+       mutex_lock(&bus->mdio_lock);
+
+       bus->write(bus, 0x18, 0, r3);
+       msleep(1); /* wait for the page switch to propagate */
+       bus->write(bus, 0x10 | r2, r1 + 1, hi);
+       bus->write(bus, 0x10 | r2, r1, lo);
+
+       mutex_unlock(&bus->mdio_lock);
 }
 
 static u32
@@ -550,7 +563,7 @@ ar8216_hw_apply(struct switch_dev *dev)
        ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
 
        memset(portmask, 0, sizeof(portmask));
-       if (priv->vlan) {
+       if (!priv->init) {
                /* calculate the port destination masks and load vlans
                 * into the vlan translation unit */
                for (j = 0; j < AR8X16_MAX_VLANS; j++) {
@@ -630,10 +643,10 @@ ar8236_hw_init(struct ar8216_priv *priv) {
        /* Initialize the PHYs */
        bus = priv->phy->bus;
        for (i = 0; i < 5; i++) {
-               bus->write(bus, i, MII_ADVERTISE,
-                          ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
-                          ADVERTISE_PAUSE_ASYM);
-               bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
+               mdiobus_write(bus, i, MII_ADVERTISE,
+                             ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
+                             ADVERTISE_PAUSE_ASYM);
+               mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
        }
        msleep(1000);
 
@@ -877,6 +890,8 @@ ar8216_config_init(struct phy_device *pdev)
                goto done;
        }
 
+       priv->init = true;
+
        if (priv->chip == AR8316) {
                ret = ar8316_hw_init(priv);
                if (ret) {
@@ -912,6 +927,8 @@ ar8216_config_init(struct phy_device *pdev)
                dev->netdev_ops = &priv->ndo;
        }
 
+       priv->init = false;
+
 done:
        return ret;
 }
@@ -987,7 +1004,7 @@ ar8216_remove(struct phy_device *pdev)
 
 static struct phy_driver ar8216_driver = {
        .phy_id         = 0x004d0000,
-       .name           = "Atheros AR8216/AR8316/AR8326",
+       .name           = "Atheros AR8216/AR8236/AR8316",
        .phy_id_mask    = 0xffff0000,
        .features       = PHY_BASIC_FEATURES,
        .probe          = ar8216_probe,