diff options
Diffstat (limited to 'drivers/net/e1000e')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 4 | ||||
| -rw-r--r-- | drivers/net/e1000e/defines.h | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 7236f1a53ba0..235856375ff3 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -1431,8 +1431,10 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) * auto-negotiation in the TXCW register and disable * forced link in the Device Control register in an * attempt to auto-negotiate with our link partner. + * If the partner code word is null, stop forcing + * and restart auto negotiation. */ - if (rxcw & E1000_RXCW_C) { + if ((rxcw & E1000_RXCW_C) || !(rxcw & E1000_RXCW_CW)) { /* Enable autoneg, and unforce link up */ ew32(TXCW, mac->txcw); ew32(CTRL, (ctrl & ~E1000_CTRL_SLU)); diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index d3f7a9c3f973..016ea383145a 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -516,6 +516,7 @@ #define E1000_TXCW_ANE 0x80000000 /* Auto-neg enable */ /* Receive Configuration Word */ +#define E1000_RXCW_CW 0x0000ffff /* RxConfigWord mask */ #define E1000_RXCW_IV 0x08000000 /* Receive config invalid */ #define E1000_RXCW_C 0x20000000 /* Receive config */ #define E1000_RXCW_SYNCH 0x40000000 /* Receive config synch */ |