diff options
Diffstat (limited to 'target/linux/generic-2.6/files/drivers/net/phy/ip175c.c')
| -rw-r--r-- | target/linux/generic-2.6/files/drivers/net/phy/ip175c.c | 87 |
1 files changed, 40 insertions, 47 deletions
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c index 1e83477bc3..cf22908825 100644 --- a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c +++ b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c @@ -28,6 +28,7 @@ #define MAX_VLANS 16 #define MAX_PORTS 9 +#undef DUMP_MII_IO typedef struct ip175c_reg { u16 p; // phy @@ -254,59 +255,57 @@ struct ip175c_state { char buf[80]; }; -static int ip_phy_read(struct mii_bus *bus, int port, int reg) +static int ip_phy_read(struct ip175c_state *state, int port, int reg) { - int val; - - mutex_lock(&bus->mdio_lock); - val = bus->read(bus, port, reg); - mutex_unlock(&bus->mdio_lock); - + int val = mdiobus_read(state->mii_bus, port, reg); + if (val < 0) + pr_warning("IP175C: Unable to get MII register %d,%d: error %d\n", port, reg, -val); +#ifdef DUMP_MII_IO + else + pr_debug("IP175C: Read MII(%d,%d) -> %04x\n", port, reg, val); +#endif return val; } -static int ip_phy_write(struct mii_bus *bus, int port, int reg, u16 val) +static int ip_phy_write(struct ip175c_state *state, int port, int reg, u16 val) { int err; - mutex_lock(&bus->mdio_lock); - err = bus->write(bus, port, reg, val); - mutex_unlock(&bus->mdio_lock); - +#ifdef DUMP_MII_IO + pr_debug("IP175C: Write MII(%d,%d) <- %04x\n", port, reg, val); +#endif + err = mdiobus_write(state->mii_bus, port, reg, val); + if (err < 0) + pr_warning("IP175C: Unable to write MII register %d,%d: error %d\n", port, reg, -err); return err; } -static int getPhy (struct ip175c_state *state, reg mii) +static int ip_phy_write_masked(struct ip175c_state *state, int port, int reg, unsigned int mask, unsigned int data) { - struct mii_bus *bus = state->mii_bus; - int val; + int val = ip_phy_read(state, port, reg); + if (val < 0) + return 0; + return ip_phy_write(state, port, reg, (val & ~mask) | data); +} +static int getPhy(struct ip175c_state *state, reg mii) +{ if (!REG_SUPP(mii)) return -EFAULT; - - val = ip_phy_read(bus, mii.p, mii.m); - if (val < 0) - pr_warning("IP175C: Unable to get MII register %d,%d: error %d\n", mii.p,mii.m,-val); - - return val; + return ip_phy_read(state, mii.p, mii.m); } -static int setPhy (struct ip175c_state *state, reg mii, u16 value) +static int setPhy(struct ip175c_state *state, reg mii, u16 value) { - struct mii_bus *bus = state->mii_bus; int err; if (!REG_SUPP(mii)) return -EFAULT; - - err = ip_phy_write(bus, mii.p, mii.m, value); - if (err < 0) { - pr_warning("IP175C: Unable to set MII register %d,%d to %d: error %d\n", mii.p,mii.m,value,-err); + err = ip_phy_write(state, mii.p, mii.m, value); + if (err < 0) return err; - } - mdelay(2); getPhy(state, mii); return 0; } @@ -833,14 +832,11 @@ static int ip175c_reset(struct switch_dev *dev) err = getPhy(state, state->regs->MODE_REG); } - if (REG_SUPP(state->regs->RESET_REG)) { - /* reset external phy ports, except on IP175A */ - for (i = 0; i < state->regs->NUM_PORTS-1; i++) { - err = state->mii_bus->write(state->mii_bus, i, - MII_BMCR, BMCR_RESET); - if (err < 0) - return err; - } + /* reset switch ports */ + for (i = 0; i < state->regs->NUM_PORTS-1; i++) { + err = ip_phy_write(state, i, MII_BMCR, BMCR_RESET); + if (err < 0) + return err; } return 0; @@ -983,7 +979,6 @@ static int ip175c_read_name(struct switch_dev *dev, const struct switch_attr *at static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { struct ip175c_state *state = dev->priv; - struct mii_bus *bus = state->mii_bus; int nr = val->port_vlan; int ctrl; int autoneg; @@ -1006,7 +1001,7 @@ static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_att if (nr >= dev->ports || nr < 0) return -EINVAL; - ctrl = ip_phy_read(bus, nr, 0); + ctrl = ip_phy_read(state, nr, 0); if (ctrl < 0) return -EIO; @@ -1015,13 +1010,12 @@ static int ip175c_set_port_speed(struct switch_dev *dev, const struct switch_att ctrl |= (autoneg<<12); ctrl |= (speed<<13); - return ip_phy_write(bus, nr, 0, ctrl); + return ip_phy_write(state, nr, 0, ctrl); } static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { struct ip175c_state *state = dev->priv; - struct mii_bus *bus = state->mii_bus; int nr = val->port_vlan; int speed, status; @@ -1033,8 +1027,8 @@ static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_att if (nr >= dev->ports || nr < 0) return -EINVAL; - status = ip_phy_read(bus, nr, 1); - speed = ip_phy_read(bus, nr, 18); + status = ip_phy_read(state, nr, 1); + speed = ip_phy_read(state, nr, 18); if (status < 0 || speed < 0) return -EIO; @@ -1050,7 +1044,6 @@ static int ip175c_get_port_speed(struct switch_dev *dev, const struct switch_att static int ip175c_get_port_status(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val) { struct ip175c_state *state = dev->priv; - struct mii_bus *bus = state->mii_bus; int ctrl, speed, status; int nr = val->port_vlan; int len; @@ -1065,9 +1058,9 @@ static int ip175c_get_port_status(struct switch_dev *dev, const struct switch_at if (nr >= dev->ports || nr < 0) return -EINVAL; - ctrl = ip_phy_read(bus, nr, 0); - status = ip_phy_read(bus, nr, 1); - speed = ip_phy_read(bus, nr, 18); + ctrl = ip_phy_read(state, nr, 0); + status = ip_phy_read(state, nr, 1); + speed = ip_phy_read(state, nr, 18); if (ctrl < 0 || status < 0 || speed < 0) return -EIO; |