Error: Cannot open file Documentation/ABI/testing/sysfs-bus-auxiliary
drivers/base/auxiliary.c:275: warning: No description found for return value of 'auxiliary_device_init'
drivers/base/auxiliary.c:314: warning: No description found for return value of '__auxiliary_device_add'
drivers/base/auxiliary.c:355: warning: No description found for return value of 'auxiliary_find_device'
drivers/base/auxiliary.c:379: warning: No description found for return value of '__auxiliary_driver_register'
drivers/base/auxiliary.c:364: warning: No description found for return value of 'auxiliary_device_init'
drivers/base/auxiliary.c:405: warning: No description found for return value of '__auxiliary_device_add'
drivers/base/auxiliary.c:450: warning: No description found for return value of 'auxiliary_find_device'
drivers/base/auxiliary.c:474: warning: No description found for return value of '__auxiliary_driver_register'