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net/pch_gpe: Cannot disable ethernet autonegation 

When attempting to disable ethernet autonegation via ethtool,
the pch_gpe driver will set software reset bit of PHY chip, But
control register of PHY chip of FRI2 will reenable ethernet autonegation.

Signed-off-by: Wei Yang <w90p710@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yang 2012-07-25 02:13:59 +00:00 committed by David S. Miller
parent eabfbe6230
commit 6d8d2dd8ad
2 changed files with 3 additions and 2 deletions
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1
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_ethtool.c
View File

@ -129,7 +129,6 @@ static int pch_gbe_set_settings(struct net_device *netdev,
hw->mac.link_duplex = ecmd->duplex;
hw->phy.autoneg_advertised = ecmd->advertising;
hw->mac.autoneg = ecmd->autoneg;
pch_gbe_hal_phy_sw_reset(hw);
/* reset the link */
if (netif_running(adapter->netdev)) {

4
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
View File

@ -1988,6 +1988,7 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
void pch_gbe_down(struct pch_gbe_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
struct pch_gbe_rx_ring *rx_ring = adapter->rx_ring;
/* signal that we're down so the interrupt handler does not
@ -2004,7 +2005,8 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter)
netif_carrier_off(netdev);
netif_stop_queue(netdev);
pch_gbe_reset(adapter);
if ((pdev->error_state) && (pdev->error_state != pci_channel_io_normal))
pch_gbe_reset(adapter);
pch_gbe_clean_tx_ring(adapter, adapter->tx_ring);
pch_gbe_clean_rx_ring(adapter, adapter->rx_ring);