Warnings before patch:
files: ['include/linux/stmmac.h', 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c', 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c', 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c', 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c']
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:177 No description found for return value of 'stmmac_set_clk_tx_rate'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:355 No description found for return value of 'stmmac_rx_dirty'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:553 No description found for return value of 'stmmac_hwtstamp_set'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:750 No description found for return value of 'stmmac_hwtstamp_get'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:773 No description found for return value of 'stmmac_init_tstamp_counter'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:803 No description found for return value of 'stmmac_init_timestamping'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1200 No description found for return value of 'stmmac_init_phy'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1551 No description found for return value of 'stmmac_init_rx_buffers'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1781 No description found for return value of '__init_dma_rx_desc_rings'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1889 No description found for return value of '__init_dma_tx_desc_rings'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1960 No description found for return value of 'init_dma_desc_rings'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2126 No description found for return value of '__alloc_dma_rx_desc_resources'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2241 No description found for return value of '__alloc_dma_tx_desc_resources'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2317 No description found for return value of 'alloc_dma_desc_resources'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2746 No description found for return value of 'stmmac_tx_clean'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3099 No description found for return value of 'stmmac_get_hw_features'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3184 No description found for return value of 'stmmac_init_dma_engine'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3284 No description found for return value of 'stmmac_tx_timer'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3560 No description found for return value of 'stmmac_hw_setup'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3990 No description found for return value of 'stmmac_setup_dma_desc'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4065 No description found for return value of '__stmmac_open'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4204 No description found for return value of 'stmmac_release'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4353 No description found for return value of 'stmmac_tso_xmit'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4621 No description found for return value of 'stmmac_xmit'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5542 No description found for return value of 'stmmac_rx'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5935 missing initial short description on line:
 *  stmmac_tx_timeout
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5981 No description found for return value of 'stmmac_change_mtu'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6152 No description found for return value of 'stmmac_interrupt'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6259 No description found for return value of 'stmmac_ioctl'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7253 No description found for return value of 'stmmac_hw_init'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7633 missing initial short description on line:
 * stmmac_dvr_probe
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7948 missing initial short description on line:
 * stmmac_dvr_remove
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7994 No description found for return value of 'stmmac_suspend'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:8090 No description found for return value of 'stmmac_resume'

Current warnings:
files: ['include/linux/stmmac.h', 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c', 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c', 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c', 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c']
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:177 No description found for return value of 'stmmac_set_clk_tx_rate'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:355 No description found for return value of 'stmmac_rx_dirty'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:553 No description found for return value of 'stmmac_hwtstamp_set'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:750 No description found for return value of 'stmmac_hwtstamp_get'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:773 No description found for return value of 'stmmac_init_tstamp_counter'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:803 No description found for return value of 'stmmac_init_timestamping'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1200 No description found for return value of 'stmmac_init_phy'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1551 No description found for return value of 'stmmac_init_rx_buffers'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1781 No description found for return value of '__init_dma_rx_desc_rings'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1889 No description found for return value of '__init_dma_tx_desc_rings'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1960 No description found for return value of 'init_dma_desc_rings'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2126 No description found for return value of '__alloc_dma_rx_desc_resources'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2241 No description found for return value of '__alloc_dma_tx_desc_resources'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2317 No description found for return value of 'alloc_dma_desc_resources'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2746 No description found for return value of 'stmmac_tx_clean'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3099 No description found for return value of 'stmmac_get_hw_features'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3184 No description found for return value of 'stmmac_init_dma_engine'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3288 No description found for return value of 'stmmac_tx_timer'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3564 No description found for return value of 'stmmac_hw_setup'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3994 No description found for return value of 'stmmac_setup_dma_desc'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4069 No description found for return value of '__stmmac_open'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4208 No description found for return value of 'stmmac_release'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4357 No description found for return value of 'stmmac_tso_xmit'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:4625 No description found for return value of 'stmmac_xmit'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5546 No description found for return value of 'stmmac_rx'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5939 missing initial short description on line:
 *  stmmac_tx_timeout
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5985 No description found for return value of 'stmmac_change_mtu'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6156 No description found for return value of 'stmmac_interrupt'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6263 No description found for return value of 'stmmac_ioctl'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7257 No description found for return value of 'stmmac_hw_init'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7637 missing initial short description on line:
 * stmmac_dvr_probe
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7952 missing initial short description on line:
 * stmmac_dvr_remove
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:7998 No description found for return value of 'stmmac_suspend'
Warning: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:8094 No description found for return value of 'stmmac_resume'

Warnings before: 34 after: 34