diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 71d48152e8d5..9f37c0bfbf8d 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -2621,12 +2621,15 @@ EXPORT_SYMBOL(genphy_read_status); /** * genphy_c37_read_status - check the link status and update current link state * @phydev: target phy_device struct + * @changed: pointer where to store if link changed * * Description: Check the link, then figure out the current state * by comparing what we advertise with what the link partner * advertises. This function is for Clause 37 1000Base-X mode. + * + * If link has changed, @changed is set to true, false otherwise. */ -int genphy_c37_read_status(struct phy_device *phydev) +int genphy_c37_read_status(struct phy_device *phydev, bool *changed) { int lpa, err, old_link = phydev->link; @@ -2636,9 +2639,13 @@ int genphy_c37_read_status(struct phy_device *phydev) return err; /* why bother the PHY if nothing can have changed */ - if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link) + if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link) { + *changed = false; return 0; + } + /* Signal link has changed */ + *changed = true; phydev->duplex = DUPLEX_UNKNOWN; phydev->pause = 0; phydev->asym_pause = 0; |