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net: phy: marvell: rearrange to use genphy_read_lpa()

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Rearrange the Marvell PHY driver to use genphy_read_lpa() rather than
open-coding this functionality.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King 2019-12-17 13:39:21 +00:00 committed by David S. Miller
parent 0efc286a92
commit fcf1f59afc
1 changed files with 32 additions and 34 deletions
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66
drivers/net/phy/marvell.c
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@ -1343,52 +1343,30 @@ static int marvell_read_status_page_an(struct phy_device *phydev,
{
int status;
int lpa;
int lpagb;
int err;
status = phy_read(phydev, MII_M1011_PHY_STATUS);
if (status < 0)
return status;
lpa = phy_read(phydev, MII_LPA);
if (lpa < 0)
return lpa;
lpagb = phy_read(phydev, MII_STAT1000);
if (lpagb < 0)
return lpagb;
if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
status = status & MII_M1011_PHY_STATUS_SPD_MASK;
phydev->pause = 0;
phydev->asym_pause = 0;
switch (status) {
case MII_M1011_PHY_STATUS_1000:
phydev->speed = SPEED_1000;
break;
case MII_M1011_PHY_STATUS_100:
phydev->speed = SPEED_100;
break;
default:
phydev->speed = SPEED_10;
break;
}
if (!fiber) {
mii_lpa_to_linkmode_lpa_t(phydev->lp_advertising, lpa);
mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, lpagb);
err = genphy_read_lpa(phydev);
if (err < 0)
return err;
phydev->pause = 0;
phydev->asym_pause = 0;
phy_resolve_aneg_pause(phydev);
} else {
lpa = phy_read(phydev, MII_LPA);
if (lpa < 0)
return lpa;
/* The fiber link is only 1000M capable */
fiber_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa);
phydev->pause = 0;
phydev->asym_pause = 0;
if (phydev->duplex == DUPLEX_FULL) {
if (!(lpa & LPA_PAUSE_FIBER)) {
phydev->pause = 0;
@ -1402,6 +1380,26 @@ static int marvell_read_status_page_an(struct phy_device *phydev,
}
}
}
if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
switch (status & MII_M1011_PHY_STATUS_SPD_MASK) {
case MII_M1011_PHY_STATUS_1000:
phydev->speed = SPEED_1000;
break;
case MII_M1011_PHY_STATUS_100:
phydev->speed = SPEED_100;
break;
default:
phydev->speed = SPEED_10;
break;
}
return 0;
}