Hi Maciej, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Maciej-Machnikowski/Add-ethtool-interface-for-SyncE/20211202-021915 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 23ea630f86c70cbe6691f9f839e7b6742f0e9ad3 reproduce: make htmldocs If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): include/uapi/linux/ethtool.h:1: warning: 'ethtool_rclk_pin_state' not found vim +/ethtool_rclk_pin_state +1 include/uapi/linux/ethtool.h 6f52b16c5b29b8 Greg Kroah-Hartman 2017-11-01 @1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 607ca46e97a1b6 David Howells 2012-10-13 2 /* 607ca46e97a1b6 David Howells 2012-10-13 3 * ethtool.h: Defines for Linux ethtool. 607ca46e97a1b6 David Howells 2012-10-13 4 * 607ca46e97a1b6 David Howells 2012-10-13 5 * Copyright (C) 1998 David S. Miller (davem@xxxxxxxxxx) 607ca46e97a1b6 David Howells 2012-10-13 6 * Copyright 2001 Jeff Garzik <jgarzik@xxxxxxxxx> 607ca46e97a1b6 David Howells 2012-10-13 7 * Portions Copyright 2001 Sun Microsystems (thockin@xxxxxxx) 607ca46e97a1b6 David Howells 2012-10-13 8 * Portions Copyright 2002 Intel (eli.kupermann@xxxxxxxxx, 607ca46e97a1b6 David Howells 2012-10-13 9 * christopher.leech@xxxxxxxxx, 607ca46e97a1b6 David Howells 2012-10-13 10 * scott.feldman@xxxxxxxxx) 607ca46e97a1b6 David Howells 2012-10-13 11 * Portions Copyright (C) Sun Microsystems 2008 607ca46e97a1b6 David Howells 2012-10-13 12 */ 607ca46e97a1b6 David Howells 2012-10-13 13 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx