diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/phy-c45.c | 10 | ||||
| -rw-r--r-- | drivers/net/phy/phy_device.c | 13 |
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 6adfe1f6319e..706a92a8c1b2 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -141,9 +141,15 @@ int genphy_c45_read_link(struct phy_device *phydev) mmd_mask &= ~BIT(devad); /* The link state is latched low so that momentary link - * drops can be detected. Do not double-read the status - * register if the link is down. + * drops can be detected. Do not double-read the status + * in polling mode to detect such short link drops. */ + if (!phy_polling_mode(phydev)) { + val = phy_read_mmd(phydev, devad, MDIO_STAT1); + if (val < 0) + return val; + } + val = phy_read_mmd(phydev, devad, MDIO_STAT1); if (val < 0) return val; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 891e0178b97f..d490cd2a8962 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1729,10 +1729,15 @@ int genphy_update_link(struct phy_device *phydev) { int status; - /* Do a fake read */ - status = phy_read(phydev, MII_BMSR); - if (status < 0) - return status; + /* The link state is latched low so that momentary link + * drops can be detected. Do not double-read the status + * in polling mode to detect such short link drops. + */ + if (!phy_polling_mode(phydev)) { + status = phy_read(phydev, MII_BMSR); + if (status < 0) + return status; + } /* Read link and autonegotiation status */ status = phy_read(phydev, MII_BMSR); |