net: phy: marvell: don't interpret PHY status unless resolved (b82cf17f) · Commits · 戴 / test

Don't attempt to interpret the PHY specific status register unless the PHY is indicating that the resolution is valid. Reviewed-by:

drivers/net/phy/marvell.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1306,6 +1306,9 @@ static int marvell_read_status_page_an(struct phy_device *phydev,
		}
		}

		if (!(status & MII_M1011_PHY_STATUS_RESOLVED))
		return 0;

		if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
		phydev->duplex = DUPLEX_FULL;
		else
		@@ -1365,6 +1368,8 @@ static int marvell_read_status_page(struct phy_device *phydev, int page)
		linkmode_zero(phydev->lp_advertising);
		phydev->pause = 0;
		phydev->asym_pause = 0;
		phydev->speed = SPEED_UNKNOWN;
		phydev->duplex = DUPLEX_UNKNOWN;

		if (phydev->autoneg == AUTONEG_ENABLE)
		err = marvell_read_status_page_an(phydev, fiber, status);