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-rw-r--r--drivers/net/phy/mdio_bus.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index c1ef3000ea60..044b5326459f 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -431,10 +431,24 @@ static struct dev_pm_ops mdio_bus_pm_ops = {
#endif /* CONFIG_PM */
+static ssize_t
+phy_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct phy_device *phydev = to_phy_device(dev);
+
+ return sprintf(buf, "0x%.8lx\n", (unsigned long)phydev->phy_id);
+}
+
+static struct device_attribute mdio_dev_attrs[] = {
+ __ATTR_RO(phy_id),
+ __ATTR_NULL
+};
+
struct bus_type mdio_bus_type = {
.name = "mdio_bus",
.match = mdio_bus_match,
.pm = MDIO_BUS_PM_OPS,
+ .dev_attrs = mdio_dev_attrs,
};
EXPORT_SYMBOL(mdio_bus_type);