[hisi:topic-lpc-4.10-libio 138/148] undefined reference to `libio_inb'

[kbuild test robot]

tree:   https://github.com/hisilicon/linux-hisi topic-lpc-4.10-libio
head:   06443d85dc35b64a704f7be84cc538281a1598f4
commit: c3fb8a18b9d66d740ac05a181c83d12f67f39f24 [138/148] asm-generic: use libio accessors as default
config: cris-etrax-100lx_v2_defconfig (attached as .config)
compiler: cris-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout c3fb8a18b9d66d740ac05a181c83d12f67f39f24
        # save the attached .config to linux build tree
        make.cross ARCH=cris 

All errors (new ones prefixed by >>):

   lib/built-in.o: In function `ioread8':
>> (.text+0xa91c): undefined reference to `libio_inb'
   lib/built-in.o: In function `ioread16':
>> (.text+0xa956): undefined reference to `libio_inw'
   lib/built-in.o: In function `ioread16be':
   (.text+0xa990): undefined reference to `libio_inw'
   lib/built-in.o: In function `ioread32':
>> (.text+0xa9cc): undefined reference to `libio_inl'
   lib/built-in.o: In function `ioread32be':
   (.text+0xaa00): undefined reference to `libio_inl'
   lib/built-in.o: In function `iowrite8':
>> (.text+0xaa38): undefined reference to `libio_outb'
   lib/built-in.o: In function `iowrite16':
>> (.text+0xaa6c): undefined reference to `libio_outw'
   lib/built-in.o: In function `iowrite16be':
   (.text+0xaa9c): undefined reference to `libio_outw'
   lib/built-in.o: In function `iowrite32':
>> (.text+0xaadc): undefined reference to `libio_outl'
   lib/built-in.o: In function `iowrite32be':
   (.text+0xab0a): undefined reference to `libio_outl'
   lib/built-in.o: In function `ioread8_rep':
>> (.text+0xab6a): undefined reference to `libio_insb'
   lib/built-in.o: In function `ioread16_rep':
>> (.text+0xabbc): undefined reference to `libio_insw'
   lib/built-in.o: In function `ioread32_rep':
>> (.text+0xac0e): undefined reference to `libio_insl'
   lib/built-in.o: In function `iowrite8_rep':
>> (.text+0xac60): undefined reference to `libio_outsb'
   lib/built-in.o: In function `iowrite16_rep':
>> (.text+0xacb4): undefined reference to `libio_outsw'
   lib/built-in.o: In function `iowrite32_rep':
>> (.text+0xad08): undefined reference to `libio_outsl'

---
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