summaryrefslogtreecommitdiff
path: root/drivers/net/mdio
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/mdio')
-rw-r--r--drivers/net/mdio/Kconfig5
-rw-r--r--drivers/net/mdio/mdio-bcm-unimac.c4
-rw-r--r--drivers/net/mdio/mdio-i2c.c39
-rw-r--r--drivers/net/mdio/of_mdio.c3
4 files changed, 30 insertions, 21 deletions
diff --git a/drivers/net/mdio/Kconfig b/drivers/net/mdio/Kconfig
index e1e32b687068..44380378911b 100644
--- a/drivers/net/mdio/Kconfig
+++ b/drivers/net/mdio/Kconfig
@@ -3,11 +3,6 @@
# MDIO Layer Configuration
#
-config MDIO_BUS
- tristate "MDIO bus consumer layer"
- help
- MDIO bus consumer layer
-
if PHYLIB
config FWNODE_MDIO
diff --git a/drivers/net/mdio/mdio-bcm-unimac.c b/drivers/net/mdio/mdio-bcm-unimac.c
index 7baab230008a..37e35f282d9a 100644
--- a/drivers/net/mdio/mdio-bcm-unimac.c
+++ b/drivers/net/mdio/mdio-bcm-unimac.c
@@ -215,7 +215,9 @@ static int unimac_mdio_clk_set(struct unimac_mdio_priv *priv)
div = (rate / (2 * priv->clk_freq)) - 1;
if (div & ~MDIO_CLK_DIV_MASK) {
- pr_warn("Incorrect MDIO clock frequency, ignoring\n");
+ dev_warn(priv->mii_bus->parent,
+ "Ignoring MDIO clock frequency request: %d vs. rate: %ld\n",
+ priv->clk_freq, rate);
ret = 0;
goto out;
}
diff --git a/drivers/net/mdio/mdio-i2c.c b/drivers/net/mdio/mdio-i2c.c
index 53e96bfab542..ed20352a589a 100644
--- a/drivers/net/mdio/mdio-i2c.c
+++ b/drivers/net/mdio/mdio-i2c.c
@@ -116,17 +116,23 @@ static int smbus_byte_mii_read_default_c22(struct mii_bus *bus, int phy_id,
if (!i2c_mii_valid_phy_id(phy_id))
return 0;
- ret = i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
- I2C_SMBUS_READ, reg,
- I2C_SMBUS_BYTE_DATA, &smbus_data);
+ i2c_lock_bus(i2c, I2C_LOCK_SEGMENT);
+
+ ret = __i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
+ I2C_SMBUS_READ, reg,
+ I2C_SMBUS_BYTE_DATA, &smbus_data);
if (ret < 0)
- return ret;
+ goto unlock;
val = (smbus_data.byte & 0xff) << 8;
- ret = i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
- I2C_SMBUS_READ, reg,
- I2C_SMBUS_BYTE_DATA, &smbus_data);
+ ret = __i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
+ I2C_SMBUS_READ, reg,
+ I2C_SMBUS_BYTE_DATA, &smbus_data);
+
+unlock:
+ i2c_unlock_bus(i2c, I2C_LOCK_SEGMENT);
+
if (ret < 0)
return ret;
@@ -147,17 +153,22 @@ static int smbus_byte_mii_write_default_c22(struct mii_bus *bus, int phy_id,
smbus_data.byte = (val & 0xff00) >> 8;
- ret = i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
- I2C_SMBUS_WRITE, reg,
- I2C_SMBUS_BYTE_DATA, &smbus_data);
+ i2c_lock_bus(i2c, I2C_LOCK_SEGMENT);
+
+ ret = __i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
+ I2C_SMBUS_WRITE, reg,
+ I2C_SMBUS_BYTE_DATA, &smbus_data);
if (ret < 0)
- return ret;
+ goto unlock;
smbus_data.byte = val & 0xff;
- ret = i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
- I2C_SMBUS_WRITE, reg,
- I2C_SMBUS_BYTE_DATA, &smbus_data);
+ ret = __i2c_smbus_xfer(i2c, i2c_mii_phy_addr(phy_id), 0,
+ I2C_SMBUS_WRITE, reg,
+ I2C_SMBUS_BYTE_DATA, &smbus_data);
+
+unlock:
+ i2c_unlock_bus(i2c, I2C_LOCK_SEGMENT);
return ret < 0 ? ret : 0;
}
diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c
index 98f667b121f7..1357348e01d5 100644
--- a/drivers/net/mdio/of_mdio.c
+++ b/drivers/net/mdio/of_mdio.c
@@ -447,6 +447,8 @@ int of_phy_register_fixed_link(struct device_node *np)
/* Old binding */
if (of_property_read_u32_array(np, "fixed-link", fixed_link_prop,
ARRAY_SIZE(fixed_link_prop)) == 0) {
+ pr_warn_once("%pOF uses deprecated array-style fixed-link binding!\n",
+ np);
status.link = 1;
status.duplex = fixed_link_prop[1];
status.speed = fixed_link_prop[2];
@@ -473,6 +475,5 @@ void of_phy_deregister_fixed_link(struct device_node *np)
fixed_phy_unregister(phydev);
put_device(&phydev->mdio.dev); /* of_phy_find_device() */
- phy_device_free(phydev); /* fixed_phy_register() */
}
EXPORT_SYMBOL(of_phy_deregister_fixed_link);