diff options
Diffstat (limited to 'src/drivers/net/realtek.c')
| -rw-r--r-- | src/drivers/net/realtek.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/net/realtek.c b/src/drivers/net/realtek.c index 0af3416d5..a43efb68b 100644 --- a/src/drivers/net/realtek.c +++ b/src/drivers/net/realtek.c @@ -420,6 +420,16 @@ static int realtek_phy_reset ( struct realtek_nic *rtl ) { */ } + /* Some cards (e.g. RTL8211B) have a hardware errata that + * requires the MII_MMD_DATA register to be cleared before the + * link will come up. + */ + if ( ( rc = mii_write ( &rtl->mii, MII_MMD_DATA, 0 ) ) != 0 ) { + /* Ignore failures, since the register may not be + * present on all PHYs. + */ + } + /* Restart autonegotiation */ if ( ( rc = mii_restart ( &rtl->mii ) ) != 0 ) { DBGC ( rtl, "REALTEK %p could not restart MII: %s\n", |