diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/nxp-tja11xx.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c index 8b743d25002b..0d4f9067ca71 100644 --- a/drivers/net/phy/nxp-tja11xx.c +++ b/drivers/net/phy/nxp-tja11xx.c @@ -180,10 +180,43 @@ static int tja11xx_soft_reset(struct phy_device *phydev) return genphy_soft_reset(phydev); } +static int tja11xx_config_aneg_cable_test(struct phy_device *phydev) +{ + bool finished = false; + int ret; + + if (phydev->link) + return 0; + + if (!phydev->drv->cable_test_start || + !phydev->drv->cable_test_get_status) + return 0; + + ret = ethnl_cable_test_alloc(phydev); + if (ret) + return ret; + + ret = phydev->drv->cable_test_start(phydev); + if (ret) + return ret; + + /* According to the documentation this test takes 100 usec */ + usleep_range(100, 200); + + ret = phydev->drv->cable_test_get_status(phydev, &finished); + if (ret) + return ret; + + if (finished) + ethnl_cable_test_finished(phydev); + + return 0; +} + static int tja11xx_config_aneg(struct phy_device *phydev) { + int ret, changed = 0; u16 ctl = 0; - int ret; switch (phydev->master_slave_set) { case MASTER_SLAVE_CFG_MASTER_FORCE: @@ -193,17 +226,22 @@ static int tja11xx_config_aneg(struct phy_device *phydev) break; case MASTER_SLAVE_CFG_UNKNOWN: case MASTER_SLAVE_CFG_UNSUPPORTED: - return 0; + goto do_test; default: phydev_warn(phydev, "Unsupported Master/Slave mode\n"); return -ENOTSUPP; } - ret = phy_modify_changed(phydev, MII_CFG1, MII_CFG1_MASTER_SLAVE, ctl); - if (ret < 0) + changed = phy_modify_changed(phydev, MII_CFG1, MII_CFG1_MASTER_SLAVE, ctl); + if (changed < 0) + return changed; + +do_test: + ret = tja11xx_config_aneg_cable_test(phydev); + if (ret) return ret; - return __genphy_config_aneg(phydev, ret); + return __genphy_config_aneg(phydev, changed); } static int tja11xx_config_init(struct phy_device *phydev) |