diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2019-12-17 13:39:16 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-19 12:52:34 -0800 |
| commit | 0efc286a923874f0c243e5766cce54e9429ed949 (patch) | |
| tree | 82a953da6d4437afab352eef145a5f95fc9e0f7e /drivers/net/phy | |
| parent | 2a10ab043ac5a658225ee77852db7942de9ac4c5 (diff) | |
net: phy: provide and use genphy_read_status_fixed()
There are two drivers and generic code which contain exactly the same
code to read the status of a PHY operating without autonegotiation
enabled. Rather than duplicate this code, provide a helper to read
this information.
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>
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/lxt.c | 19 | ||||
| -rw-r--r-- | drivers/net/phy/marvell.c | 19 | ||||
| -rw-r--r-- | drivers/net/phy/phy_device.c | 49 |
3 files changed, 40 insertions, 47 deletions
diff --git a/drivers/net/phy/lxt.c b/drivers/net/phy/lxt.c index 30172852e36e..fec58ad69e02 100644 --- a/drivers/net/phy/lxt.c +++ b/drivers/net/phy/lxt.c @@ -192,22 +192,9 @@ static int lxt973a2_read_status(struct phy_device *phydev) phy_resolve_aneg_pause(phydev); } else { - int bmcr = phy_read(phydev, MII_BMCR); - - if (bmcr < 0) - return bmcr; - - if (bmcr & BMCR_FULLDPLX) - phydev->duplex = DUPLEX_FULL; - else - phydev->duplex = DUPLEX_HALF; - - if (bmcr & BMCR_SPEED1000) - phydev->speed = SPEED_1000; - else if (bmcr & BMCR_SPEED100) - phydev->speed = SPEED_100; - else - phydev->speed = SPEED_10; + err = genphy_read_status_fixed(phydev); + if (err < 0) + return err; phydev->pause = phydev->asym_pause = 0; linkmode_zero(phydev->lp_advertising); diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index d807c3e5cc56..5e49639dc8dd 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1407,22 +1407,11 @@ static int marvell_read_status_page_an(struct phy_device *phydev, static int marvell_read_status_page_fixed(struct phy_device *phydev) { - int bmcr = phy_read(phydev, MII_BMCR); - - if (bmcr < 0) - return bmcr; - - if (bmcr & BMCR_FULLDPLX) - phydev->duplex = DUPLEX_FULL; - else - phydev->duplex = DUPLEX_HALF; + int err; - if (bmcr & BMCR_SPEED1000) - phydev->speed = SPEED_1000; - else if (bmcr & BMCR_SPEED100) - phydev->speed = SPEED_100; - else - phydev->speed = SPEED_10; + err = genphy_read_status_fixed(phydev); + if (err < 0) + return err; phydev->pause = 0; phydev->asym_pause = 0; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index c61f2295e21e..ec19efe7ea99 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1993,6 +1993,36 @@ int genphy_read_lpa(struct phy_device *phydev) EXPORT_SYMBOL(genphy_read_lpa); /** + * genphy_read_status_fixed - read the link parameters for !aneg mode + * @phydev: target phy_device struct + * + * Read the current duplex and speed state for a PHY operating with + * autonegotiation disabled. + */ +int genphy_read_status_fixed(struct phy_device *phydev) +{ + int bmcr = phy_read(phydev, MII_BMCR); + + if (bmcr < 0) + return bmcr; + + if (bmcr & BMCR_FULLDPLX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + + if (bmcr & BMCR_SPEED1000) + phydev->speed = SPEED_1000; + else if (bmcr & BMCR_SPEED100) + phydev->speed = SPEED_100; + else + phydev->speed = SPEED_10; + + return 0; +} +EXPORT_SYMBOL(genphy_read_status_fixed); + +/** * genphy_read_status - check the link status and update current link state * @phydev: target phy_device struct * @@ -2026,22 +2056,9 @@ int genphy_read_status(struct phy_device *phydev) if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) { phy_resolve_aneg_linkmode(phydev); } else if (phydev->autoneg == AUTONEG_DISABLE) { - int bmcr = phy_read(phydev, MII_BMCR); - - if (bmcr < 0) - return bmcr; - - if (bmcr & BMCR_FULLDPLX) - phydev->duplex = DUPLEX_FULL; - else - phydev->duplex = DUPLEX_HALF; - - if (bmcr & BMCR_SPEED1000) - phydev->speed = SPEED_1000; - else if (bmcr & BMCR_SPEED100) - phydev->speed = SPEED_100; - else - phydev->speed = SPEED_10; + err = genphy_read_status_fixed(phydev); + if (err < 0) + return err; } return 0; |