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| author | Carolyn Wyborny <carolyn.wyborny@intel.com> | 2012-11-22 01:24:08 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-12-01 03:11:58 -0800 |
| commit | a0483e2eb63d3b2f14a821edb21b3e610bfba5bd (patch) | |
| tree | d04efb05b239bfd6d9dff105659c5016eb615871 /drivers/net/ethernet | |
| parent | 7916a53d203f12461095886cf72d58e9281240d9 (diff) | |
| download | linux-a0483e2eb63d3b2f14a821edb21b3e610bfba5bd.tar.gz linux-a0483e2eb63d3b2f14a821edb21b3e610bfba5bd.tar.bz2 linux-a0483e2eb63d3b2f14a821edb21b3e610bfba5bd.zip | |
igb: Workaround for global device reset problem on 82580.
Due to a hw errata, the global device reset doesn't always work on 82580
devices. This patch works around the problem not trying to do a global
device reset on these devices.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_82575.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 8c12dbd0d6ce..db40b68819d8 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1927,6 +1927,12 @@ static s32 igb_reset_hw_82580(struct e1000_hw *hw) hw->dev_spec._82575.global_device_reset = false; + /* due to hw errata, global device reset doesn't always + * work on 82580 + */ + if (hw->mac.type == e1000_82580) + global_device_reset = false; + /* Get current control state. */ ctrl = rd32(E1000_CTRL); |