diff options
author | Ivan Bornyakov <i.bornyakov@metrotek.ru> | 2021-04-13 23:54:51 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-04-14 12:56:44 -0700 |
commit | 473960a7b4434dbda6f628eb9e29e989f730343f (patch) | |
tree | d114a5fe8bcb0c2b32229d98b938550c3842a44c | |
parent | 58581478a734b07eb27032299fcb36caa4f9988b (diff) | |
download | linux-473960a7b4434dbda6f628eb9e29e989f730343f.tar.bz2 |
net: phy: marvell-88x2222: move read_status after config_aneg
No functional changes, just move read link status routines below
autonegotiation configuration to make future functional changes more
distinct.
Signed-off-by: Ivan Bornyakov <i.bornyakov@metrotek.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/phy/marvell-88x2222.c | 196 |
1 files changed, 98 insertions, 98 deletions
diff --git a/drivers/net/phy/marvell-88x2222.c b/drivers/net/phy/marvell-88x2222.c index 28fe520228a4..640b133f1371 100644 --- a/drivers/net/phy/marvell-88x2222.c +++ b/drivers/net/phy/marvell-88x2222.c @@ -86,104 +86,6 @@ static int mv2222_soft_reset(struct phy_device *phydev) 5000, 1000000, true); } -/* Returns negative on error, 0 if link is down, 1 if link is up */ -static int mv2222_read_status_10g(struct phy_device *phydev) -{ - int val, link = 0; - - val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1); - if (val < 0) - return val; - - if (val & MDIO_STAT1_LSTATUS) { - link = 1; - - /* 10GBASE-R do not support auto-negotiation */ - phydev->autoneg = AUTONEG_DISABLE; - phydev->speed = SPEED_10000; - phydev->duplex = DUPLEX_FULL; - } - - return link; -} - -/* Returns negative on error, 0 if link is down, 1 if link is up */ -static int mv2222_read_status_1g(struct phy_device *phydev) -{ - int val, link = 0; - - val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_STAT); - if (val < 0) - return val; - - if (!(val & BMSR_LSTATUS) || - (phydev->autoneg == AUTONEG_ENABLE && - !(val & BMSR_ANEGCOMPLETE))) - return 0; - - link = 1; - - val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_PHY_STAT); - if (val < 0) - return val; - - if (val & MV_1GBX_PHY_STAT_AN_RESOLVED) { - if (val & MV_1GBX_PHY_STAT_DUPLEX) - phydev->duplex = DUPLEX_FULL; - else - phydev->duplex = DUPLEX_HALF; - - if (val & MV_1GBX_PHY_STAT_SPEED1000) - phydev->speed = SPEED_1000; - else if (val & MV_1GBX_PHY_STAT_SPEED100) - phydev->speed = SPEED_100; - else - phydev->speed = SPEED_10; - } - - return link; -} - -static bool mv2222_link_is_operational(struct phy_device *phydev) -{ - struct mv2222_data *priv = phydev->priv; - int val; - - val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_RX_SIGNAL_DETECT); - if (val < 0 || !(val & MV_RX_SIGNAL_DETECT_GLOBAL)) - return false; - - if (phydev->sfp_bus && !priv->sfp_link) - return false; - - return true; -} - -static int mv2222_read_status(struct phy_device *phydev) -{ - struct mv2222_data *priv = phydev->priv; - int link; - - phydev->link = 0; - phydev->speed = SPEED_UNKNOWN; - phydev->duplex = DUPLEX_UNKNOWN; - - if (!mv2222_link_is_operational(phydev)) - return 0; - - if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER) - link = mv2222_read_status_10g(phydev); - else - link = mv2222_read_status_1g(phydev); - - if (link < 0) - return link; - - phydev->link = link; - - return 0; -} - static int mv2222_disable_aneg(struct phy_device *phydev) { int ret = phy_clear_bits_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_CTRL, @@ -386,6 +288,104 @@ static int mv2222_aneg_done(struct phy_device *phydev) return (ret & BMSR_ANEGCOMPLETE); } +/* Returns negative on error, 0 if link is down, 1 if link is up */ +static int mv2222_read_status_10g(struct phy_device *phydev) +{ + int val, link = 0; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1); + if (val < 0) + return val; + + if (val & MDIO_STAT1_LSTATUS) { + link = 1; + + /* 10GBASE-R do not support auto-negotiation */ + phydev->autoneg = AUTONEG_DISABLE; + phydev->speed = SPEED_10000; + phydev->duplex = DUPLEX_FULL; + } + + return link; +} + +/* Returns negative on error, 0 if link is down, 1 if link is up */ +static int mv2222_read_status_1g(struct phy_device *phydev) +{ + int val, link = 0; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_STAT); + if (val < 0) + return val; + + if (!(val & BMSR_LSTATUS) || + (phydev->autoneg == AUTONEG_ENABLE && + !(val & BMSR_ANEGCOMPLETE))) + return 0; + + link = 1; + + val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_1GBX_PHY_STAT); + if (val < 0) + return val; + + if (val & MV_1GBX_PHY_STAT_AN_RESOLVED) { + if (val & MV_1GBX_PHY_STAT_DUPLEX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + + if (val & MV_1GBX_PHY_STAT_SPEED1000) + phydev->speed = SPEED_1000; + else if (val & MV_1GBX_PHY_STAT_SPEED100) + phydev->speed = SPEED_100; + else + phydev->speed = SPEED_10; + } + + return link; +} + +static bool mv2222_link_is_operational(struct phy_device *phydev) +{ + struct mv2222_data *priv = phydev->priv; + int val; + + val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MV_RX_SIGNAL_DETECT); + if (val < 0 || !(val & MV_RX_SIGNAL_DETECT_GLOBAL)) + return false; + + if (phydev->sfp_bus && !priv->sfp_link) + return false; + + return true; +} + +static int mv2222_read_status(struct phy_device *phydev) +{ + struct mv2222_data *priv = phydev->priv; + int link; + + phydev->link = 0; + phydev->speed = SPEED_UNKNOWN; + phydev->duplex = DUPLEX_UNKNOWN; + + if (!mv2222_link_is_operational(phydev)) + return 0; + + if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER) + link = mv2222_read_status_10g(phydev); + else + link = mv2222_read_status_1g(phydev); + + if (link < 0) + return link; + + phydev->link = link; + + return 0; +} + static int mv2222_resume(struct phy_device *phydev) { return mv2222_tx_enable(phydev); |