* [frank-w-bpi-r2-4.14:7.2-main 214/214] include/linux/pcs/pcs.h:95:12: warning: 'unregister_fwnode_pcs_notifier' defined but not used
@ 2026-09-25 21:07 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-09-25 21:07 UTC (permalink / raw)
To: Frank Wunderlich; +Cc: oe-kbuild-all
tree: https://github.com/frank-w/BPI-R2-4.14 7.2-main
head: 27e8d41a42f73cb2b271df0e897e25224889f6d0
commit: 72a3fd1408afa370643bca631b35d3bf25d30531 [214/214] net: ethernet: mediatek: mtkmux: harden mux/phylink lifecycle
config: s390-randconfig-2000-20260925 (https://download.01.org/0day-ci/archive/20260925/202609252118.PMBZbjWw-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260925/202609252118.PMBZbjWw-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609252118.PMBZbjWw-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/ethernet/mediatek/mtk_eth_soc.c:25:
include/linux/pcs/pcs.h:107:1: warning: 'fwnode_phylink_pcs_get_from_fwnode' defined but not used [-Wunused-function]
fwnode_phylink_pcs_get_from_fwnode(struct fwnode_handle *fwnode,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/pcs/pcs.h:95:12: warning: 'unregister_fwnode_pcs_notifier' defined but not used [-Wunused-function]
static int unregister_fwnode_pcs_notifier(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/pcs/pcs.h:90:12: warning: 'register_fwnode_pcs_notifier' defined but not used [-Wunused-function]
static int register_fwnode_pcs_notifier(struct notifier_block *nb)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/unregister_fwnode_pcs_notifier +95 include/linux/pcs/pcs.h
94
> 95 static int unregister_fwnode_pcs_notifier(struct notifier_block *nb)
96 {
97 return -EOPNOTSUPP;
98 }
99
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-09-25 21:07 [frank-w-bpi-r2-4.14:7.2-main 214/214] include/linux/pcs/pcs.h:95:12: warning: 'unregister_fwnode_pcs_notifier' defined but not used kernel test robot
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