Commit 0ef25ed1 authored by Wong Vee Khee's avatar Wong Vee Khee Committed by David S. Miller
Browse files

net: phy: add genphy_c45_loopback 



Add generic code to enable C45 PHY loopback into the common phy-c45.c
file. This will allow C45 PHY drivers aceess this by setting
.set_loopback.

Suggested-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarWong Vee Khee <vee.khee.wong@linux.intel.com>
Reviewed-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4adec7f8

drivers/net/phy/phy-c45.c

+8 −0
Original line number Diff line number Diff line
@@ -560,6 +560,14 @@ int gen10g_config_aneg(struct phy_device *phydev) 
}

EXPORT_SYMBOL_GPL(gen10g_config_aneg);



int genphy_c45_loopback(struct phy_device *phydev, bool enable)

{

	return phy_modify_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1,

			      MDIO_PCS_CTRL1_LOOPBACK,

			      enable ? MDIO_PCS_CTRL1_LOOPBACK : 0);

}

EXPORT_SYMBOL_GPL(genphy_c45_loopback);



struct phy_driver genphy_c45_driver = {

	.phy_id         = 0xffffffff,

	.phy_id_mask    = 0xffffffff,

include/linux/phy.h

+1 −0
Original line number Diff line number Diff line
@@ -1532,6 +1532,7 @@ int genphy_c45_read_mdix(struct phy_device *phydev); 
int genphy_c45_pma_read_abilities(struct phy_device *phydev);

int genphy_c45_read_status(struct phy_device *phydev);

int genphy_c45_config_aneg(struct phy_device *phydev);

int genphy_c45_loopback(struct phy_device *phydev, bool enable);



/* Generic C45 PHY driver */

extern struct phy_driver genphy_c45_driver;