Commit 25108a83 authored by Stefan Eichenberger's avatar Stefan Eichenberger Committed by Paolo Abeni
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net: phy: c45: add support for 1000BASE-T1 forced setup 



Add support to force 1000BASE-T1 by setting the correct control bit in
the MDIO_MMD_PMA_PMD_BT1_CTRL register.

Signed-off-by: default avatarStefan Eichenberger <eichest@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 6f1c646d

drivers/net/phy/phy-c45.c

+10 −1
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ EXPORT_SYMBOL_GPL(genphy_c45_pma_baset1_setup_master_slave); 
 */

int genphy_c45_pma_setup_forced(struct phy_device *phydev)

{

	int ctrl1, ctrl2, ret;

	int bt1_ctrl, ctrl1, ctrl2, ret;



	/* Half duplex is not supported */

	if (phydev->duplex != DUPLEX_FULL)
@@ -176,6 +176,15 @@ int genphy_c45_pma_setup_forced(struct phy_device *phydev) 
		ret = genphy_c45_pma_baset1_setup_master_slave(phydev);

		if (ret < 0)

			return ret;



		bt1_ctrl = 0;

		if (phydev->speed == SPEED_1000)

			bt1_ctrl = MDIO_PMA_PMD_BT1_CTRL_STRAP_B1000;



		ret = phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_PMD_BT1_CTRL,

				     MDIO_PMA_PMD_BT1_CTRL_STRAP, bt1_ctrl);

		if (ret < 0)

			return ret;

	}



	return genphy_c45_an_disable_aneg(phydev);