NVM_WRITE_OPCODE_SPI  650 drivers/net/ethernet/intel/e1000e/defines.h #define NVM_WRITE_OPCODE_SPI       0x02 /* NVM write opcode */
NVM_WRITE_OPCODE_SPI  836 drivers/net/ethernet/intel/igb/e1000_defines.h #define NVM_WRITE_OPCODE_SPI       0x02 /* NVM write opcode */