[PATCH net-next 1/4] net: phy: as21xxx: handle corner case with link and autoneg complete

[Christian Marangi]

Add missing case in custom read_link, when autoneg is started, autoneg
complete bit is reset but link is still not up.

Fixes: 830877d89edc ("net: phy: Add support for Aeonsemi AS21xxx PHYs")
Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
---
 drivers/net/phy/as21xxx.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/phy/as21xxx.c b/drivers/net/phy/as21xxx.c
index d5738117eca6..0db82da8dbdf 100644
--- a/drivers/net/phy/as21xxx.c
+++ b/drivers/net/phy/as21xxx.c
@@ -658,6 +658,13 @@ static int as21xxx_read_link(struct phy_device *phydev, int *bmcr)
 		return status;
 
 	phydev->link = !!(status & MDIO_STAT1_LSTATUS);
+	phydev->autoneg_complete = !!(status & MDIO_AN_STAT1_COMPLETE);
+
+	/* Consider the case that autoneg was started and "aneg complete"
+	 * bit has been reset, but "link up" bit not yet.
+	 */
+	if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete)
+		phydev->link = 0;
 
 	return 0;
 }
-- 
2.53.0