PHYs supported by e100 re-starts auto-negotiation after writing to BMCR_RESET bit. This patch powers down PHY when the interface is down and reset is issued.
Signed-off-by: Jiang Wang <[email protected]> --- drivers/net/ethernet/intel/e100.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index 9824e0a..b8e4910 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -2386,6 +2386,13 @@ static int e100_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd) err = mii_ethtool_sset(&nic->mii, cmd); e100_exec_cb(nic, NULL, e100_configure); + if (!netif_running(netdev) && !(nic->flags & wol_magic)) { + uint16_t phy_data; + phy_data = mdio_read(nic->netdev, nic->mii.phy_id, MII_BMCR); + phy_data |= BMCR_PDOWN; + mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR, phy_data); + } + return err; } -- 1.7.1 ------------------------------------------------------------------------------ Cloud Computing - Latest Buzzword or a Glimpse of the Future? This paper surveys cloud computing today: What are the benefits? Why are businesses embracing it? What are its payoffs and pitfalls? http://www.accelacomm.com/jaw/sdnl/114/51425149/ _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
