Warnings before patch:
files: ['drivers/net/phy/mdio_bus.c']
Warning: drivers/net/phy/mdio_bus.c:377 No description found for return value of 'mdio_find_bus'
Warning: drivers/net/phy/mdio_bus.c:400 No description found for return value of 'of_mdio_find_bus'
Warning: drivers/net/phy/mdio_bus.c:443 No description found for return value of '__mdiobus_read'
Warning: drivers/net/phy/mdio_bus.c:475 No description found for return value of '__mdiobus_write'
Warning: drivers/net/phy/mdio_bus.c:510 No description found for return value of '__mdiobus_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:539 No description found for return value of '__mdiobus_c45_read'
Warning: drivers/net/phy/mdio_bus.c:573 No description found for return value of '__mdiobus_c45_write'
Warning: drivers/net/phy/mdio_bus.c:610 No description found for return value of '__mdiobus_c45_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:640 No description found for return value of 'mdiobus_read_nested'
Warning: drivers/net/phy/mdio_bus.c:662 No description found for return value of 'mdiobus_read'
Warning: drivers/net/phy/mdio_bus.c:685 No description found for return value of 'mdiobus_c45_read'
Warning: drivers/net/phy/mdio_bus.c:712 No description found for return value of 'mdiobus_c45_read_nested'
Warning: drivers/net/phy/mdio_bus.c:738 No description found for return value of 'mdiobus_write_nested'
Warning: drivers/net/phy/mdio_bus.c:761 No description found for return value of 'mdiobus_write'
Warning: drivers/net/phy/mdio_bus.c:786 No description found for return value of 'mdiobus_c45_write'
Warning: drivers/net/phy/mdio_bus.c:814 No description found for return value of 'mdiobus_c45_write_nested'
Warning: drivers/net/phy/mdio_bus.c:855 No description found for return value of 'mdiobus_modify'
Warning: drivers/net/phy/mdio_bus.c:878 No description found for return value of 'mdiobus_c45_modify'
Warning: drivers/net/phy/mdio_bus.c:901 No description found for return value of 'mdiobus_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:924 No description found for return value of 'mdiobus_c45_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:947 No description found for return value of 'mdio_bus_match'

Current warnings:
files: ['drivers/net/phy/mdio_bus.c']
Warning: drivers/net/phy/mdio_bus.c:380 No description found for return value of 'mdio_find_bus'
Warning: drivers/net/phy/mdio_bus.c:403 No description found for return value of 'of_mdio_find_bus'
Warning: drivers/net/phy/mdio_bus.c:446 No description found for return value of '__mdiobus_read'
Warning: drivers/net/phy/mdio_bus.c:478 No description found for return value of '__mdiobus_write'
Warning: drivers/net/phy/mdio_bus.c:513 No description found for return value of '__mdiobus_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:542 No description found for return value of '__mdiobus_c45_read'
Warning: drivers/net/phy/mdio_bus.c:576 No description found for return value of '__mdiobus_c45_write'
Warning: drivers/net/phy/mdio_bus.c:613 No description found for return value of '__mdiobus_c45_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:643 No description found for return value of 'mdiobus_read_nested'
Warning: drivers/net/phy/mdio_bus.c:665 No description found for return value of 'mdiobus_read'
Warning: drivers/net/phy/mdio_bus.c:688 No description found for return value of 'mdiobus_c45_read'
Warning: drivers/net/phy/mdio_bus.c:715 No description found for return value of 'mdiobus_c45_read_nested'
Warning: drivers/net/phy/mdio_bus.c:741 No description found for return value of 'mdiobus_write_nested'
Warning: drivers/net/phy/mdio_bus.c:764 No description found for return value of 'mdiobus_write'
Warning: drivers/net/phy/mdio_bus.c:789 No description found for return value of 'mdiobus_c45_write'
Warning: drivers/net/phy/mdio_bus.c:817 No description found for return value of 'mdiobus_c45_write_nested'
Warning: drivers/net/phy/mdio_bus.c:858 No description found for return value of 'mdiobus_modify'
Warning: drivers/net/phy/mdio_bus.c:881 No description found for return value of 'mdiobus_c45_modify'
Warning: drivers/net/phy/mdio_bus.c:904 No description found for return value of 'mdiobus_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:927 No description found for return value of 'mdiobus_c45_modify_changed'
Warning: drivers/net/phy/mdio_bus.c:950 No description found for return value of 'mdio_bus_match'

Warnings before: 21 after: 21