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-rw-r--r--target/linux/generic-2.6/files/drivers/net/phy/ip175c.c87
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;