@@ -935,6 +935,20 @@ void phy_device_remove(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_device_remove);
+/**
+ * phy_get_c45_ids - Read 802.3-c45 IDs for phy device.
+ * @phydev: phy_device structure to read 802.3-c45 IDs
+ *
+ * Returns zero on success, %-EIO on bus access error, or %-ENODEV if
+ * the "devices in package" is invalid.
+ */
+int phy_get_c45_ids(struct phy_device *phydev)
+{
+ return get_phy_c45_ids(phydev->mdio.bus, phydev->mdio.addr,
+ &phydev->c45_ids);
+}
+EXPORT_SYMBOL(phy_get_c45_ids);
+
/**
* phy_find_first - finds the first PHY device on the bus
* @bus: the target MII bus
@@ -1391,6 +1391,7 @@ static inline int phy_device_register(struct phy_device *phy)
static inline void phy_device_free(struct phy_device *phydev) { }
#endif /* CONFIG_PHYLIB */
void phy_device_remove(struct phy_device *phydev);
+int phy_get_c45_ids(struct phy_device *phydev);
int phy_init_hw(struct phy_device *phydev);
int phy_suspend(struct phy_device *phydev);
int phy_resume(struct phy_device *phydev);
Add API to read 802.3-c45 IDs so that C22/C45 mixed device can use C45 APIs without failing ID checks. Signed-off-by: Xu Liang <lxu@maxlinear.com> --- v5 changes: Fix incorrect prototype name in comment. drivers/net/phy/phy_device.c | 14 ++++++++++++++ include/linux/phy.h | 1 + 2 files changed, 15 insertions(+)