diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac/emac-mac.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-mac.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c index 6fb3bee904d3..0b4deb31e742 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c @@ -575,10 +575,11 @@ void emac_mac_start(struct emac_adapter *adpt) mac |= TXEN | RXEN; /* enable RX/TX */ - /* We don't have ethtool support yet, so force flow-control mode - * to 'full' always. - */ - mac |= TXFC | RXFC; + /* Configure MAC flow control to match the PHY's settings. */ + if (phydev->pause) + mac |= RXFC; + if (phydev->pause != phydev->asym_pause) + mac |= TXFC; /* setup link speed */ mac &= ~SPEED_MASK; @@ -1003,6 +1004,12 @@ int emac_mac_up(struct emac_adapter *adpt) writel((u32)~DIS_INT, adpt->base + EMAC_INT_STATUS); writel(adpt->irq.mask, adpt->base + EMAC_INT_MASK); + /* Enable pause frames. Without this feature, the EMAC has been shown + * to receive (and drop) frames with FCS errors at gigabit connections. + */ + adpt->phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + adpt->phydev->advertising |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + adpt->phydev->irq = PHY_IGNORE_INTERRUPT; phy_start(adpt->phydev); |