Re: [PATCH v2 1/2] iio: light: Add support for vishay vcnl4035

[kbuild test robot]

Hi Parthiban,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iio/togreg]
[also build test ERROR on v4.18-rc2 next-20180629]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Parthiban-Nallathambi/iio-light-Add-support-for-vishay-vcnl4035/20180630-021705
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   ERROR: "ia64_delay_loop" [drivers/spi/spi-thunderx.ko] undefined!
   ERROR: "__sw_hweight8" [drivers/net/wireless/mediatek/mt76/mt76.ko] undefined!
   ERROR: "ia64_delay_loop" [drivers/net/phy/mdio-cavium.ko] undefined!
>> ERROR: "__sw_hweight8" [drivers/iio/light/vcnl4035.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
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