From: Koki Sanagi Date: Wed, 16 Jan 2013 11:05:53 +0000 (+0000) Subject: igb: display a warning message when SmartSpeed works X-Git-Tag: v3.12-rc1~874^2~46^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0ba477807191d04f95057a58e08c88ad27b284c;p=kernel%2Fkernel-generic.git igb: display a warning message when SmartSpeed works Current igb driver doesn't tell nothing when Link Speed is downgraded due to SmartSpeed. As a result, users suspect that there is something wrong with NIC. If the cause of it is SmartSpeed, there is no means to replace NIC. This patch make igb notify users that SmartSpeed worked. Signed-off-by: Koki Sanagi Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index b94a3c5..93be6ec 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3901,6 +3901,7 @@ static void igb_watchdog_task(struct work_struct *work) struct igb_adapter, watchdog_task); struct e1000_hw *hw = &adapter->hw; + struct e1000_phy_info *phy = &hw->phy; struct net_device *netdev = adapter->netdev; u32 link; int i; @@ -3929,6 +3930,11 @@ static void igb_watchdog_task(struct work_struct *work) (ctrl & E1000_CTRL_RFCE) ? "RX" : (ctrl & E1000_CTRL_TFCE) ? "TX" : "None"); + /* check if SmartSpeed worked */ + igb_check_downshift(hw); + if (phy->speed_downgraded) + netdev_warn(netdev, "Link Speed was downgraded by SmartSpeed\n"); + /* check for thermal sensor event */ if (igb_thermal_sensor_event(hw, E1000_THSTAT_LINK_THROTTLE)) {