[PATCH 2/2] staging/bcm2835-camera: Set ourselves up as a platform driver.

[kbuild test robot]

Hi Eric,

I love your patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.17-rc4 next-20180510]
[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/Eric-Anholt/staging-vc04_services-Register-a-platform-device-for-the-camera-driver/20180510-181250
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.2.0
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
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

>> ERROR: "ia64_delay_loop" undefined!
>> ERROR: "__sw_hweight8" undefined!
>> ERROR: "ia64_delay_loop" undefined!

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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