diff options
Diffstat (limited to 'hw/e1000.c')
-rw-r--r-- | hw/e1000.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/e1000.c b/hw/e1000.c index 8fd165456a..0f177ff844 100644 --- a/hw/e1000.c +++ b/hw/e1000.c @@ -166,6 +166,11 @@ static void set_phy_ctrl(E1000State *s, int index, uint16_t val) { if ((val & MII_CR_AUTO_NEG_EN) && (val & MII_CR_RESTART_AUTO_NEG)) { + /* no need auto-negotiation if link was down */ + if (s->nic->nc.link_down) { + s->phy_reg[PHY_STATUS] |= MII_SR_AUTONEG_COMPLETE; + return; + } s->nic->nc.link_down = true; e1000_link_down(s); s->phy_reg[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE; |