Warnings before patch:
files: ['net/ethtool/common.c', 'drivers/net/phy/phy_caps.c', 'drivers/net/phy/phy-caps.h', 'include/uapi/linux/ethtool.h', 'drivers/net/phy/phy-core.c']
Warning: drivers/net/phy/phy-core.c:18 No description found for return value of 'phy_speed_to_str'
Warning: drivers/net/phy/phy-core.c:71 No description found for return value of 'phy_duplex_to_str'
Warning: drivers/net/phy/phy-core.c:88 No description found for return value of 'phy_rate_matching_to_str'
Warning: drivers/net/phy/phy-core.c:154 No description found for return value of 'phy_interface_num_ports'
Warning: drivers/net/phy/phy-core.c:458 No description found for return value of '__phy_read_mmd'
Warning: drivers/net/phy/phy-core.c:480 No description found for return value of 'phy_read_mmd'
Warning: drivers/net/phy/phy-core.c:502 No description found for return value of '__phy_write_mmd'
Warning: drivers/net/phy/phy-core.c:525 No description found for return value of 'phy_write_mmd'
Warning: drivers/net/phy/phy-core.c:550 No description found for return value of 'phy_modify_changed'
Warning: drivers/net/phy/phy-core.c:573 No description found for return value of '__phy_modify'
Warning: drivers/net/phy/phy-core.c:594 No description found for return value of 'phy_modify'
Warning: drivers/net/phy/phy-core.c:620 No description found for return value of '__phy_modify_mmd_changed'
Warning: drivers/net/phy/phy-core.c:653 No description found for return value of 'phy_modify_mmd_changed'
Warning: drivers/net/phy/phy-core.c:678 No description found for return value of '__phy_modify_mmd'
Warning: drivers/net/phy/phy-core.c:701 No description found for return value of 'phy_modify_mmd'
Warning: drivers/net/phy/phy-core.c:737 No description found for return value of 'phy_save_page'
Warning: drivers/net/phy/phy-core.c:755 No description found for return value of 'phy_select_page'
Warning: drivers/net/phy/phy-core.c:820 No description found for return value of 'phy_read_paged'
Warning: drivers/net/phy/phy-core.c:841 No description found for return value of 'phy_write_paged'
Warning: drivers/net/phy/phy-core.c:864 No description found for return value of 'phy_modify_paged_changed'
Warning: drivers/net/phy/phy-core.c:887 No description found for return value of 'phy_modify_paged'
Warning: net/ethtool/common.c:1127 missing initial short description on line:
 * ethtool_forced_speed_maps_init

Current warnings:
files: ['net/ethtool/common.c', 'drivers/net/phy/phy_caps.c', 'drivers/net/phy/phy-caps.h', 'include/uapi/linux/ethtool.h', 'drivers/net/phy/phy-core.c']
Warning: drivers/net/phy/phy-core.c:18 No description found for return value of 'phy_speed_to_str'
Warning: drivers/net/phy/phy-core.c:73 No description found for return value of 'phy_duplex_to_str'
Warning: drivers/net/phy/phy-core.c:90 No description found for return value of 'phy_rate_matching_to_str'
Warning: drivers/net/phy/phy-core.c:156 No description found for return value of 'phy_interface_num_ports'
Warning: drivers/net/phy/phy-core.c:460 No description found for return value of '__phy_read_mmd'
Warning: drivers/net/phy/phy-core.c:482 No description found for return value of 'phy_read_mmd'
Warning: drivers/net/phy/phy-core.c:504 No description found for return value of '__phy_write_mmd'
Warning: drivers/net/phy/phy-core.c:527 No description found for return value of 'phy_write_mmd'
Warning: drivers/net/phy/phy-core.c:552 No description found for return value of 'phy_modify_changed'
Warning: drivers/net/phy/phy-core.c:575 No description found for return value of '__phy_modify'
Warning: drivers/net/phy/phy-core.c:596 No description found for return value of 'phy_modify'
Warning: drivers/net/phy/phy-core.c:622 No description found for return value of '__phy_modify_mmd_changed'
Warning: drivers/net/phy/phy-core.c:655 No description found for return value of 'phy_modify_mmd_changed'
Warning: drivers/net/phy/phy-core.c:680 No description found for return value of '__phy_modify_mmd'
Warning: drivers/net/phy/phy-core.c:703 No description found for return value of 'phy_modify_mmd'
Warning: drivers/net/phy/phy-core.c:739 No description found for return value of 'phy_save_page'
Warning: drivers/net/phy/phy-core.c:757 No description found for return value of 'phy_select_page'
Warning: drivers/net/phy/phy-core.c:822 No description found for return value of 'phy_read_paged'
Warning: drivers/net/phy/phy-core.c:843 No description found for return value of 'phy_write_paged'
Warning: drivers/net/phy/phy-core.c:866 No description found for return value of 'phy_modify_paged_changed'
Warning: drivers/net/phy/phy-core.c:889 No description found for return value of 'phy_modify_paged'
Warning: net/ethtool/common.c:1135 missing initial short description on line:
 * ethtool_forced_speed_maps_init

Warnings before: 22 after: 22