diff options
author | Sean Paul <seanpaul@chromium.org> | 2019-10-23 17:14:11 +0200 |
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committer | Sean Paul <seanpaul@chromium.org> | 2019-10-23 17:14:11 +0200 |
commit | 44bf67f32a6803339ac1ba721b158c3e2272cabe (patch) | |
tree | 1ed93503a4a1d20005b85df91bd81e5f5982f348 /drivers/net/phy/phy_device.c | |
parent | Revert "drm/omap: add OMAP_BO flags to affect buffer allocation" (diff) | |
parent | Merge v5.4-rc4 into drm-next (diff) | |
download | linux-44bf67f32a6803339ac1ba721b158c3e2272cabe.tar.xz linux-44bf67f32a6803339ac1ba721b158c3e2272cabe.zip |
Merge drm/drm-next into drm-misc-next
Parroting Daniel's backmerge justification from
2e79e22e092acd55da0b2db066e4826d7d152c41:
Thierry needs fd70c7755bf0 ("drm/bridge: tc358767: fix max_tu_symbol
value") to be able to merge his dp_link patch series.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r-- | drivers/net/phy/phy_device.c | 74 |
1 files changed, 49 insertions, 25 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index d347ddcac45b..adb66a2fae18 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1783,34 +1783,18 @@ done: } EXPORT_SYMBOL(genphy_update_link); -/** - * genphy_read_status - check the link status and update current link state - * @phydev: target phy_device struct - * - * Description: Check the link, then figure out the current state - * by comparing what we advertise with what the link partner - * advertises. Start by checking the gigabit possibilities, - * then move on to 10/100. - */ -int genphy_read_status(struct phy_device *phydev) +int genphy_read_lpa(struct phy_device *phydev) { - int lpa, lpagb, err, old_link = phydev->link; - - /* Update the link, but return if there was an error */ - err = genphy_update_link(phydev); - if (err) - return err; - - /* why bother the PHY if nothing can have changed */ - if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link) - return 0; + int lpa, lpagb; - phydev->speed = SPEED_UNKNOWN; - phydev->duplex = DUPLEX_UNKNOWN; - phydev->pause = 0; - phydev->asym_pause = 0; + if (phydev->autoneg == AUTONEG_ENABLE) { + if (!phydev->autoneg_complete) { + mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, + 0); + mii_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, 0); + return 0; + } - if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) { if (phydev->is_gigabit_capable) { lpagb = phy_read(phydev, MII_STAT1000); if (lpagb < 0) @@ -1838,6 +1822,46 @@ int genphy_read_status(struct phy_device *phydev) return lpa; mii_lpa_mod_linkmode_lpa_t(phydev->lp_advertising, lpa); + } else { + linkmode_zero(phydev->lp_advertising); + } + + return 0; +} +EXPORT_SYMBOL(genphy_read_lpa); + +/** + * genphy_read_status - check the link status and update current link state + * @phydev: target phy_device struct + * + * Description: Check the link, then figure out the current state + * by comparing what we advertise with what the link partner + * advertises. Start by checking the gigabit possibilities, + * then move on to 10/100. + */ +int genphy_read_status(struct phy_device *phydev) +{ + int err, old_link = phydev->link; + + /* Update the link, but return if there was an error */ + err = genphy_update_link(phydev); + if (err) + return err; + + /* why bother the PHY if nothing can have changed */ + if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link) + return 0; + + phydev->speed = SPEED_UNKNOWN; + phydev->duplex = DUPLEX_UNKNOWN; + phydev->pause = 0; + phydev->asym_pause = 0; + + err = genphy_read_lpa(phydev); + if (err < 0) + return err; + + 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); |