diff options
Diffstat (limited to 'drivers/net/e1000e/82571.c')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index 7cdf1768afa..0e8aa3441b9 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -1114,6 +1114,13 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) reg |= (1 << 22); ew32(GCR, reg); + /* + * Workaround for hardware errata. + * apply workaround for hardware errata documented in errata + * docs Fixes issue where some error prone or unreliable PCIe + * completions are occurring, particularly with ASPM enabled. + * Without fix, issue can cause tx timeouts. + */ reg = er32(GCR2); reg |= 1; ew32(GCR2, reg); |