diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index effe3e3d5d3..62925bb2863 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1,21 +1,7 @@ /* * Generic PHY Management code * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * + * SPDX-License-Identifier: GPL-2.0+ * * Copyright 2011 Freescale Semiconductor, Inc. * author Andy Fleming @@ -291,7 +277,7 @@ int genphy_parse_link(struct phy_device *phydev) /* We're using autonegotiation */ if (mii_reg & BMSR_ANEGCAPABLE) { u32 lpa = 0; - u32 gblpa = 0; + int gblpa = 0; u32 estatus = 0; /* Check for gigabit capability */ @@ -300,6 +286,10 @@ int genphy_parse_link(struct phy_device *phydev) * both PHYs in the link */ gblpa = phy_read(phydev, MDIO_DEVAD_NONE, MII_STAT1000); + if (gblpa < 0) { + debug("Could not read MII_STAT1000. Ignoring gigabit capability\n"); + gblpa = 0; + } gblpa &= phy_read(phydev, MDIO_DEVAD_NONE, MII_CTRL1000) << 2; } |