drivers/net/ethernet/xilinx/xilinx_axienet_main.c:233: warning: No description found for return value of 'axienet_usec_to_timer' drivers/net/ethernet/xilinx/xilinx_axienet_main.c:609: warning: No description found for return value of 'axienet_device_reset' drivers/net/ethernet/xilinx/xilinx_axienet_main.c:682: warning: No description found for return value of 'axienet_free_tx_chain' drivers/net/ethernet/xilinx/xilinx_axienet_main.c:233: warning: No description found for return value of 'axienet_usec_to_timer' drivers/net/ethernet/xilinx/xilinx_axienet_main.c:613: warning: No description found for return value of 'axienet_device_reset' drivers/net/ethernet/xilinx/xilinx_axienet_main.c:686: warning: No description found for return value of 'axienet_free_tx_chain'