diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/nvm.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/nvm.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/nvm.c b/drivers/net/ethernet/intel/e1000e/nvm.c index e609f4df86f4..4bde1c9de1b9 100644 --- a/drivers/net/ethernet/intel/e1000e/nvm.c +++ b/drivers/net/ethernet/intel/e1000e/nvm.c @@ -558,7 +558,13 @@ s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw) checksum += nvm_data; } - if (checksum != (u16)NVM_SUM) { + if (hw->mac.type == e1000_pch_tgp && + nvm_data == NVM_CHECKSUM_UNINITIALIZED) { + e_dbg("Uninitialized NVM Checksum on TGP platform - ignoring\n"); + return 0; + } + + if (checksum != NVM_SUM) { e_dbg("NVM Checksum Invalid\n"); return -E1000_ERR_NVM; } @@ -588,7 +594,7 @@ s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw) } checksum += nvm_data; } - checksum = (u16)NVM_SUM - checksum; + checksum = NVM_SUM - checksum; ret_val = e1000_write_nvm(hw, NVM_CHECKSUM_REG, 1, &checksum); if (ret_val) e_dbg("NVM Write Error while updating checksum.\n"); |