From: Koki Sanagi Date: Sun, 3 Feb 2013 14:03:55 +0000 (+0000) Subject: e1000e: display a warning message when SmartSpeed works X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e792cd916cf74315bddb2c8b2323ef498cd7bfde;p=linux-beck.git e1000e: display a warning message when SmartSpeed works Current e1000e 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 e1000e 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/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 3f7dbd1cdb0f..a177b8b65c44 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -4830,6 +4830,13 @@ static void e1000_watchdog_task(struct work_struct *work) &adapter->link_speed, &adapter->link_duplex); e1000_print_link_info(adapter); + + /* check if SmartSpeed worked */ + e1000e_check_downshift(hw); + if (phy->speed_downgraded) + netdev_warn(netdev, + "Link Speed was downgraded by SmartSpeed\n"); + /* On supported PHYs, check for duplex mismatch only * if link has autonegotiated at 10/100 half */