Andrew,

* kbuild test robot <lkp@intel.com> [200213 10:27]:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   0bf999f9c5e74c7ecf9dafb527146601e5c848b9
> commit: c37baa06f8a970e4a533d41f7d33e5e57de5ad25 ARM: OMAP2+: Fix undefined reference to omap_secure_init
> date:   3 weeks ago
> config: arm-randconfig-a001-20200213 (attached as .config)
> compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout c37baa06f8a970e4a533d41f7d33e5e57de5ad25
>         # save the attached .config to linux build tree
>         GCC_VERSION=7.5.0 make.cross ARCH=arm 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    arch/arm/mach-omap2/omap-secure.o: In function `omap_smccc_smc':
> >> omap-secure.c:(.text+0x94): undefined reference to `__arm_smccc_smc'

Have you looked at this one? Looks like there's still an unhandled
randconfig build case.

Regards,

Tony