diff options
-rw-r--r-- | drivers/net/phy/broadcom.c | 3 | ||||
-rw-r--r-- | drivers/net/phy/phy_device.c | 11 | ||||
-rw-r--r-- | drivers/net/phy/qcom/at803x.c | 3 | ||||
-rw-r--r-- | include/linux/phy.h | 2 |
4 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 312a8bb35d78..370e4ed45098 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -665,10 +665,11 @@ static int bcm54616s_config_aneg(struct phy_device *phydev) static int bcm54616s_read_status(struct phy_device *phydev) { struct bcm54616s_phy_priv *priv = phydev->priv; + bool changed; int err; if (priv->mode_1000bx_en) - err = genphy_c37_read_status(phydev); + err = genphy_c37_read_status(phydev, &changed); else err = genphy_read_status(phydev); 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; diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c index 3e3ee4c1d4bc..4717c59d51d0 100644 --- a/drivers/net/phy/qcom/at803x.c +++ b/drivers/net/phy/qcom/at803x.c @@ -912,9 +912,10 @@ static int at8031_config_intr(struct phy_device *phydev) static int at8031_read_status(struct phy_device *phydev) { struct at803x_priv *priv = phydev->priv; + bool changed; if (priv->is_1000basex) - return genphy_c37_read_status(phydev); + return genphy_c37_read_status(phydev, &changed); return at803x_read_status(phydev); } diff --git a/include/linux/phy.h b/include/linux/phy.h index cbd49418b819..2249cdb5957a 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1876,7 +1876,7 @@ int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, /* Clause 37 */ int genphy_c37_config_aneg(struct phy_device *phydev); -int genphy_c37_read_status(struct phy_device *phydev); +int genphy_c37_read_status(struct phy_device *phydev, bool *changed); /* Clause 45 PHY */ int genphy_c45_restart_aneg(struct phy_device *phydev); |