Hi Mauro,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20180411]
[also build test ERROR on v4.16]
[cannot apply to linuxtv-media/master staging/staging-testing v4.16 v4.16-rc7 v4.16-rc6]
[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/Mauro-Carvalho-Chehab/media-staging-atomisp-fix-number-conversion/20180414-000700
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.o: In function `mmu_set_page_table_base_index':
>> mmu.c:(.text+0x10): undefined reference to `mmu_reg_store'
   drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.o: In function `mmu_get_page_table_base_index':
>> mmu.c:(.text+0x2e): undefined reference to `mmu_reg_load'
   drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.o: In function `mmu_invalidate_cache':
   mmu.c:(.text+0x50): undefined reference to `mmu_reg_store'
   drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/mmu.o: In function `mmu_invalidate_cache_all':
   mmu.c:(.text+0x72): undefined reference to `mmu_reg_store'
   mmu.c:(.text+0x83): undefined reference to `mmu_reg_store'

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