powerpc64le-linux-ld: warning: orphan section `.stubs' from `drivers/mfd/rsmu_core.o' being placed in section `.stubs'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bf9f243f23e6623f310ba03fbb14e10ec3a61290
commit: a1867f85e06edacd82956d3422caa2b9074f4321 mfd: Add Renesas Synchronization Management Unit (SMU) support
date:   8 weeks ago
config: powerpc64-randconfig-m031-20210910 (attached as .config)
compiler: powerpc64le-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a1867f85e06edacd82956d3422caa2b9074f4321
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a1867f85e06edacd82956d3422caa2b9074f4321
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> powerpc64le-linux-ld: warning: orphan section `.stubs' from `drivers/mfd/rsmu_core.o' being placed in section `.stubs'
>> powerpc64le-linux-ld: warning: orphan section `.ftrace.tramp' from `drivers/mfd/rsmu_core.o' being placed in section `.ftrace.tramp'
>> powerpc64le-linux-ld: warning: orphan section `.stubs' from `drivers/mfd/rsmu_core.o' being placed in section `.stubs'
>> powerpc64le-linux-ld: warning: orphan section `.ftrace.tramp' from `drivers/mfd/rsmu_core.o' being placed in section `.ftrace.tramp'
>> powerpc64le-linux-ld: warning: orphan section `.stubs' from `drivers/mfd/rsmu_core.o' being placed in section `.stubs'
>> powerpc64le-linux-ld: warning: orphan section `.ftrace.tramp' from `drivers/mfd/rsmu_core.o' being placed in section `.ftrace.tramp'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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