linux-kernel - undefined reference to `cpu_sa110_suspend

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Date:   Mon, 24 Jan 2022 20:47:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Thierry Reding <treding@...dia.com>
Subject: undefined reference to `cpu_sa110_suspend_size'

Hi Dmitry,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
commit: faae6c9f2e68e62687636a7d6e0517b3bf594add cpuidle: tegra: Enable compile testing
date:   4 months ago
config: arm-randconfig-r036-20220123 (https://download.01.org/0day-ci/archive/20220124/202201242024.a86cwUlS-lkp@intel.com/config)
compiler: arm-linux-gnueabi-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=faae6c9f2e68e62687636a7d6e0517b3bf594add
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout faae6c9f2e68e62687636a7d6e0517b3bf594add
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash

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 >>):

   arm-linux-gnueabi-ld: arch/arm/kernel/sleep.o: in function `__cpu_suspend':
>> (.text+0x68): undefined reference to `cpu_sa110_suspend_size'
   arm-linux-gnueabi-ld: arch/arm/kernel/suspend.o: in function `__cpu_suspend_save':
>> suspend.c:(.text+0x15c): undefined reference to `cpu_sa110_do_suspend'
>> arm-linux-gnueabi-ld: suspend.c:(.text+0x184): undefined reference to `cpu_sa110_do_resume'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ARM_CPU_SUSPEND
   Depends on ARCH_SUSPEND_POSSIBLE
   Selected by
   - ARM_TEGRA_CPUIDLE && CPU_IDLE && (ARM || ARM64) && (ARCH_TEGRA || COMPILE_TEST && !ARM64 && MMU

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