diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 70631914934d..ea280b0d843c 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -973,6 +973,27 @@ static int phy_check_link_status(struct phy_device *phydev) } /** + * phy_query_inband - query which in-band signalling modes are supported + * @phydev: a pointer to a &struct phy_device + * @interface: the interface mode for the PHY + * + * Returns zero if it is unknown what in-band signalling is supported by the + * PHY (e.g. because the PHY driver doesn't implement the method.) Otherwise, + * returns a bit mask of the LINK_INBAND_* values from + * &enum link_inband_signalling to describe which inband modes are supported + * for this interface mode. + */ +unsigned int phy_query_inband(struct phy_device *phydev, + phy_interface_t interface) +{ + if (phydev->drv && phydev->drv->query_inband) + return phydev->drv->query_inband(phydev, interface); + + return 0; +} +EXPORT_SYMBOL_GPL(phy_query_inband); + +/** * _phy_start_aneg - start auto-negotiation for this PHY device * @phydev: the phy_device struct * |