diff options
Diffstat (limited to 'drivers/net/igb/e1000_nvm.c')
| -rw-r--r-- | drivers/net/igb/e1000_nvm.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/net/igb/e1000_nvm.c b/drivers/net/igb/e1000_nvm.c index a84e4e429fa..5942da107a9 100644 --- a/drivers/net/igb/e1000_nvm.c +++ b/drivers/net/igb/e1000_nvm.c @@ -515,29 +515,23 @@ out: **/ s32 igb_read_mac_addr(struct e1000_hw *hw) { - s32 ret_val = 0; - u16 offset, nvm_data, i; + u32 rar_high; + u32 rar_low; + u16 i; - for (i = 0; i < ETH_ALEN; i += 2) { - offset = i >> 1; - ret_val = hw->nvm.ops.read_nvm(hw, offset, 1, &nvm_data); - if (ret_val) { - hw_dbg("NVM Read Error\n"); - goto out; - } - hw->mac.perm_addr[i] = (u8)(nvm_data & 0xFF); - hw->mac.perm_addr[i+1] = (u8)(nvm_data >> 8); - } + rar_high = rd32(E1000_RAH(0)); + rar_low = rd32(E1000_RAL(0)); + + for (i = 0; i < E1000_RAL_MAC_ADDR_LEN; i++) + hw->mac.perm_addr[i] = (u8)(rar_low >> (i*8)); - /* Flip last bit of mac address if we're on second port */ - if (hw->bus.func == E1000_FUNC_1) - hw->mac.perm_addr[5] ^= 1; + for (i = 0; i < E1000_RAH_MAC_ADDR_LEN; i++) + hw->mac.perm_addr[i+4] = (u8)(rar_high >> (i*8)); for (i = 0; i < ETH_ALEN; i++) hw->mac.addr[i] = hw->mac.perm_addr[i]; -out: - return ret_val; + return 0; } /** |