linux-kernel - arc-elf-ld: sil-sii8620.c:undefined reference to `extcon_unregister

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Date:   Wed, 27 Jan 2021 15:50:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arc-elf-ld: sil-sii8620.c:undefined reference to
 `extcon_unregister_notifier'

Hi Masahiro,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2ab38c17aac10bf55ab3efde4c4db3893d8691d2
commit: def2fbffe62c00c330c7f41584a356001179c59c kconfig: allow symbols implied by y to become m
date:   11 months ago
config: arc-randconfig-r016-20201229 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
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=def2fbffe62c00c330c7f41584a356001179c59c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout def2fbffe62c00c330c7f41584a356001179c59c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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

All errors (new ones prefixed by >>):

   arc-elf-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_remove':
   sil-sii8620.c:(.text+0x88): undefined reference to `extcon_unregister_notifier'
>> arc-elf-ld: sil-sii8620.c:(.text+0x88): undefined reference to `extcon_unregister_notifier'
   arc-elf-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_probe':
>> sil-sii8620.c:(.text+0x1aac): undefined reference to `extcon_find_edev_by_node'
>> arc-elf-ld: sil-sii8620.c:(.text+0x1aac): undefined reference to `extcon_find_edev_by_node'
>> arc-elf-ld: sil-sii8620.c:(.text+0x1b10): undefined reference to `extcon_register_notifier'
>> arc-elf-ld: sil-sii8620.c:(.text+0x1b10): undefined reference to `extcon_register_notifier'
   arc-elf-ld: drivers/gpu/drm/bridge/sil-sii8620.o: in function `sii8620_extcon_work':
>> sil-sii8620.c:(.text+0x1b36): undefined reference to `extcon_get_state'
>> arc-elf-ld: sil-sii8620.c:(.text+0x1b36): undefined reference to `extcon_get_state'

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

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