New files:
drivers/net/ethernet/cadence/macb_utils.c
drivers/net/ethernet/cadence/macb_kunit.c

Modified files:
drivers/net/ethernet/cadence/macb_main.c
drivers/net/ethernet/cadence/Kconfig
drivers/net/ethernet/cadence/macb.h
drivers/net/ethernet/cadence/Makefile

Checking coverage for a new file: drivers/net/ethernet/cadence/macb_utils.c
  Section ATMEL MACB ETHERNET DRIVER covers ~8 files
PASS

Checking coverage for a new file: drivers/net/ethernet/cadence/macb_kunit.c
  Section ATMEL MACB ETHERNET DRIVER covers ~8 files
PASS