diff options
| author | Tony Lindgren <tony@atomide.com> | 2014-03-02 23:22:03 +0100 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2014-03-02 23:22:03 +0100 |
| commit | f777ba1780584b100ab9664cc06d04f3bb273a84 (patch) | |
| tree | 865813eb0078530ca3b036c0c3eee6ce33f9315f /drivers/net/phy/phy_device.c | |
| parent | ARM: dts: am43xx: add support for parallel NAND flash (diff) | |
| parent | ARM: dts: omap4+: Add DMM bindings (diff) | |
| download | linux-f777ba1780584b100ab9664cc06d04f3bb273a84.tar.xz linux-f777ba1780584b100ab9664cc06d04f3bb273a84.zip | |
Merge tag 'for_3.15/dts_signed' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.15/dt
Add craneboard devices
Add more N900 devices
Add am43x-epos-evm and am437x-gp-evm devices
Add OMAP4 DMM devices
Conflicts:
arch/arm/boot/dts/am43x-epos-evm.dts
arch/arm/boot/dts/dra7.dtsi
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 4b03e63639b7..82514e72b3d8 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -719,7 +719,7 @@ int phy_resume(struct phy_device *phydev) static int genphy_config_advert(struct phy_device *phydev) { u32 advertise; - int oldadv, adv; + int oldadv, adv, bmsr; int err, changed = 0; /* Only allow advertising what this PHY supports */ @@ -744,26 +744,36 @@ static int genphy_config_advert(struct phy_device *phydev) changed = 1; } + bmsr = phy_read(phydev, MII_BMSR); + if (bmsr < 0) + return bmsr; + + /* Per 802.3-2008, Section 22.2.4.2.16 Extended status all + * 1000Mbits/sec capable PHYs shall have the BMSR_ESTATEN bit set to a + * logical 1. + */ + if (!(bmsr & BMSR_ESTATEN)) + return changed; + /* Configure gigabit if it's supported */ + adv = phy_read(phydev, MII_CTRL1000); + if (adv < 0) + return adv; + + oldadv = adv; + adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + if (phydev->supported & (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full)) { - adv = phy_read(phydev, MII_CTRL1000); - if (adv < 0) - return adv; - - oldadv = adv; - adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); adv |= ethtool_adv_to_mii_ctrl1000_t(advertise); - - if (adv != oldadv) { - err = phy_write(phydev, MII_CTRL1000, adv); - - if (err < 0) - return err; + if (adv != oldadv) changed = 1; - } } + err = phy_write(phydev, MII_CTRL1000, adv); + if (err < 0) + return err; + return changed; } |