diff options
| author |   Emil Tantilov <emil.s.tantilov@intel.com> | 2011-08-27 07:18:37 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-10-05 02:52:54 -0700 |
| commit | 7edebf9a6aac07e2ebb3901b60672293a7139ad0 (patch) | |
| tree | fd1ac9a28b8d3b1e9163b8d242ea7f50ee095e68 /drivers | |
| parent | e1000e: make function tables const (diff) | |
| download | linux-dev-7edebf9a6aac07e2ebb3901b60672293a7139ad0.tar.xz linux-dev-7edebf9a6aac07e2ebb3901b60672293a7139ad0.zip | |
ixgbe: prevent link checks while resetting
It some situations the driver sets __IXGBE_RESETTING and then
__IXGBE_DOWN flags. It is possible a link check may sneak in
between.
This patch adds check for both flags.
The idea is to reduce register reads while the PHY is resetting.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 9cd44adcea14..ed922726daab 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5978,7 +5978,8 @@ static void ixgbe_spoof_check(struct ixgbe_adapter *adapter) static void ixgbe_watchdog_subtask(struct ixgbe_adapter *adapter) { /* if interface is down do nothing */ - if (test_bit(__IXGBE_DOWN, &adapter->state)) + if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_RESETTING, &adapter->state)) return; ixgbe_watchdog_update_link(adapter); |