drivers/net/ethernet/sfc/ethtool_common.c:302: warning: No description found for return value of 'efx_fill_loopback_test'
drivers/net/ethernet/sfc/ethtool_common.c:345: warning: No description found for return value of 'efx_ethtool_fill_self_tests'
drivers/net/ethernet/sfc/ethtool_common.c:303: warning: No description found for return value of 'efx_fill_loopback_test'
drivers/net/ethernet/sfc/ethtool_common.c:346: warning: No description found for return value of 'efx_ethtool_fill_self_tests'