diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-mdio | 10 | ||||
| -rw-r--r-- | drivers/net/phy/mdio_bus.c | 10 |
2 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-mdio b/Documentation/ABI/testing/sysfs-bus-mdio index 6349749ebc29..2133afd0b067 100644 --- a/Documentation/ABI/testing/sysfs-bus-mdio +++ b/Documentation/ABI/testing/sysfs-bus-mdio @@ -7,3 +7,13 @@ Description: by the device during bus enumeration, encoded in hexadecimal. This ID is used to match the device with the appropriate driver. + +What: /sys/bus/mdio_bus/devices/.../phy_interface +Date: February 2014 +KernelVersion: 3.15 +Contact: netdev@vger.kernel.org +Description: + This attribute contains the PHY interface as configured by the + Ethernet driver during bus enumeration, encoded in string. + This interface mode is used to configure the Ethernet MAC with the + appropriate mode for its data lines to the PHY hardware. diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 71e49000fbf3..7c66ea095a46 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -432,8 +432,18 @@ phy_id_show(struct device *dev, struct device_attribute *attr, char *buf) } static DEVICE_ATTR_RO(phy_id); +static ssize_t +phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct phy_device *phydev = to_phy_device(dev); + + return sprintf(buf, "%s\n", phy_modes(phydev->interface)); +} +static DEVICE_ATTR_RO(phy_interface); + static struct attribute *mdio_dev_attrs[] = { &dev_attr_phy_id.attr, + &dev_attr_phy_interface.attr, NULL, }; ATTRIBUTE_GROUPS(mdio_dev); |