/**
* genphy_config_aneg - restart auto-negotiation or write BMCR
* @phydev: target phy_device struct
*
* Description: If auto-negotiation is enabled, we configure the
* advertising, and then restart auto-negotiation. If it is not
* enabled, then we write the BMCR.
*/
int genphy_config_aneg(struct phy_device *phydev)
{
int err = 0;
if (AUTONEG_ENABLE == phydev->autoneg) {
err = genphy_config_advert(phydev);
if (err < 0)
return err;
err = genphy_restart_aneg(phydev);
} else
err = genphy_setup_forced(phydev);
return err;
}
/* vsc82x4_config_aneg - restart auto-negotiation or write BMCR
* @phydev: target phy_device struct
*
* Description: If auto-negotiation is enabled, we configure the
* advertising, and then restart auto-negotiation. If it is not
* enabled, then we write the BMCR and also start the auto
* MDI/MDI-X feature
*/
static int vsc82x4_config_aneg(struct phy_device *phydev)
{
int ret;
/* Enable auto MDI/MDI-X when in 10/100 forced link speeds by
* writing special values in the VSC8234 extended reserved registers
*/
if (phydev->autoneg != AUTONEG_ENABLE && phydev->speed <= SPEED_100) {
ret = genphy_setup_forced(phydev);
if (ret < 0) /* error */
return ret;
return vsc82x4_config_autocross_enable(phydev);
}
return genphy_config_aneg(phydev);
}
