Re: undefined reference to `cpu_sa110_suspend_size'

[Randy Dunlap]

On 12/6/20 8:46 PM, kernel test robot wrote:
> Hi Stephan,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   0477e92881850d44910a7e94fc2c46f96faa131f
> commit: a871be6b8eee13a35a3e8e56c62770ef17ee9220 cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver
> date:   7 months ago
> config: arm-randconfig-r005-20201207 (attached as .config)
> compiler: arm-linux-gnueabi-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=a871be6b8eee13a35a3e8e56c62770ef17ee9220
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout a871be6b8eee13a35a3e8e56c62770ef17ee9220
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> 
> All errors (new ones prefixed by >>):
> 
>    arm-linux-gnueabi-ld: arch/arm/kernel/sleep.o: in function `__cpu_suspend':
>>> (.text+0x60): undefined reference to `cpu_sa110_suspend_size'
>    arm-linux-gnueabi-ld: arch/arm/kernel/suspend.o: in function `__cpu_suspend_save':
>>> suspend.c:(.text+0x140): undefined reference to `cpu_sa110_do_suspend'
>>> arm-linux-gnueabi-ld: suspend.c:(.text+0x168): undefined reference to `cpu_sa110_do_resume'
>    arm-linux-gnueabi-ld: drivers/firmware/qcom_scm-smc.o: in function `__scm_smc_do_quirk':
>    qcom_scm-smc.c:(.text+0x5c): undefined reference to `__arm_smccc_smc'
>    arm-linux-gnueabi-ld: drivers/firmware/qcom_scm-legacy.o: in function `scm_legacy_call':
>    qcom_scm-legacy.c:(.text+0x1a4): undefined reference to `__arm_smccc_smc'
>    arm-linux-gnueabi-ld: drivers/firmware/qcom_scm-legacy.o: in function `scm_legacy_call_atomic':
>    qcom_scm-legacy.c:(.text+0x454): undefined reference to `__arm_smccc_smc'
> 
> ---


Missing Kconfig warning:

WARNING: unmet direct dependencies detected for ARM_CPU_SUSPEND
  Depends on [n]: ARCH_SUSPEND_POSSIBLE [=n]
  Selected by [y]:
  - ARM_QCOM_SPM_CPUIDLE [=y] && CPU_IDLE [=y] && (ARM [=y] || ARM64) && (ARCH_QCOM [=n] || COMPILE_TEST [=y]) && !ARM64


Patch has been sent for this kconfig warning & build errors.

-- 
~Randy