Commit d6cb17d5 authored by Bruce Allan's avatar Bruce Allan Committed by Jeff Kirsher
Browse files

e1000e: 82574/82583 Tx hang workaround



On 82574/82583, there is a hardware bug which might cause a Tx hang when
the internal buffer is full.  Setting this bit enables a hardware fix to
work around the issue.
Signed-off-by: default avatarBruce Allan <bruce.w.allan@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent c550b121
...@@ -1227,6 +1227,10 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) ...@@ -1227,6 +1227,10 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
case e1000_82572: case e1000_82572:
reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26); reg |= (1 << 23) | (1 << 24) | (1 << 25) | (1 << 26);
break; break;
case e1000_82574:
case e1000_82583:
reg |= (1 << 26);
break;
default: default:
break; break;
} }
......
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