Hi Daniel,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on driver-core/driver-core-testing pm/linux-next v5.10-rc6 next-20201130]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Daniel-Scally/Add-functionality-to-ipu3-cio2-driver-allowing-software_node-connections-to-sensors-on-platforms-designed-for-Windows/20201130-214014
base:   git://linuxtv.org/media_tree.git master
config: s390-randconfig-p001-20201130 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/eb1854ac694a8e59c0ea703e46fe2ee7e3118b42
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Daniel-Scally/Add-functionality-to-ipu3-cio2-driver-allowing-software_node-connections-to-sensors-on-platforms-designed-for-Windows/20201130-214014
        git checkout eb1854ac694a8e59c0ea703e46fe2ee7e3118b42
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   s390-linux-ld: kernel/sysctl.o: in function `acpi_get_gpiod':
>> sysctl.c:(.text+0x2bb8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: kernel/irq/irqdomain.o: in function `acpi_get_gpiod':
   irqdomain.c:(.text+0x378): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: kernel/dma/mapping.o: in function `acpi_get_gpiod':
   mapping.c:(.text+0xb0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/gpio/gpiolib.o: in function `acpi_get_gpiod':
   gpiolib.c:(.text+0x1c00): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/gpio/gpio-pca953x.o: in function `acpi_get_gpiod':
   gpio-pca953x.c:(.text+0x29e0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/gpio/gpio-pca9570.o: in function `acpi_get_gpiod':
   gpio-pca9570.c:(.text+0x338): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/gpio/gpio-pcf857x.o: in function `acpi_get_gpiod':
   gpio-pcf857x.c:(.text+0xcb0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/gpio/gpio-tpic2810.o: in function `acpi_get_gpiod':
   gpio-tpic2810.c:(.text+0x418): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/pwm/core.o: in function `acpi_get_gpiod':
   core.c:(.text+0x660): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/pwm/pwm-pca9685.o: in function `acpi_get_gpiod':
   pwm-pca9685.c:(.text+0x10d8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/dma/dmaengine.o: in function `acpi_get_gpiod':
   dmaengine.c:(.text+0x1f30): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/dma/dw/platform.o: in function `acpi_get_gpiod':
   platform.c:(.text+0x420): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/dma/qcom/hidma.o: in function `acpi_get_gpiod':
   hidma.c:(.text+0x28e8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/88pg86x.o: in function `acpi_get_gpiod':
   88pg86x.c:(.text+0x198): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/ad5398.o: in function `acpi_get_gpiod':
   ad5398.c:(.text+0x780): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/da9210-regulator.o: in function `acpi_get_gpiod':
   da9210-regulator.c:(.text+0x628): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/isl6271a-regulator.o: in function `acpi_get_gpiod':
   isl6271a-regulator.c:(.text+0x3b8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/isl9305.o: in function `acpi_get_gpiod':
   isl9305.c:(.text+0x1a0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/lp872x.o: in function `acpi_get_gpiod':
   lp872x.c:(.text+0x11c0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/lp8755.o: in function `acpi_get_gpiod':
   lp8755.c:(.text+0x1148): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/ltc3589.o: in function `acpi_get_gpiod':
   ltc3589.c:(.text+0x8c8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/max8649.o: in function `acpi_get_gpiod':
   max8649.c:(.text+0x7a0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/max8660.o: in function `acpi_get_gpiod':
   max8660.c:(.text+0xe28): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/max77826-regulator.o: in function `acpi_get_gpiod':
   max77826-regulator.c:(.text+0x230): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/mp8859.o: in function `acpi_get_gpiod':
   mp8859.c:(.text+0x2e0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/mt6311-regulator.o: in function `acpi_get_gpiod':
   mt6311-regulator.c:(.text+0x248): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/pca9450-regulator.o: in function `acpi_get_gpiod':
   pca9450-regulator.c:(.text+0x790): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/pfuze100-regulator.o: in function `acpi_get_gpiod':
   pfuze100-regulator.c:(.text+0xaa8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/pv88060-regulator.o: in function `acpi_get_gpiod':
   pv88060-regulator.c:(.text+0x870): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/pv88080-regulator.o: in function `acpi_get_gpiod':
   pv88080-regulator.c:(.text+0xb38): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/pv88090-regulator.o: in function `acpi_get_gpiod':
   pv88090-regulator.c:(.text+0x960): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/rt4801-regulator.o: in function `acpi_get_gpiod':
   rt4801-regulator.c:(.text+0x6a0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/rtmv20-regulator.o: in function `acpi_get_gpiod':
   rtmv20-regulator.c:(.text+0xb20): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/slg51000-regulator.o: in function `acpi_get_gpiod':
   slg51000-regulator.c:(.text+0xb28): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/tps62360-regulator.o: in function `acpi_get_gpiod':
   tps62360-regulator.c:(.text+0xe68): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/regulator/tps65132-regulator.o: in function `acpi_get_gpiod':
   tps65132-regulator.c:(.text+0x728): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/base/core.o: in function `acpi_get_gpiod':
   core.c:(.text+0x27f8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/base/platform.o: in function `acpi_get_gpiod':
   platform.c:(.text+0x798): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/base/cpu.o: in function `acpi_get_gpiod':
   cpu.c:(.text+0x8c8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/base/property.o: in function `acpi_get_gpiod':
   property.c:(.text+0x2f8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/base/cacheinfo.o: in function `acpi_get_gpiod':
   cacheinfo.c:(.text+0xca8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/base/regmap/regmap-i2c.o: in function `acpi_get_gpiod':
   regmap-i2c.c:(.text+0xcb0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/ad525x_dpot-i2c.o: in function `acpi_get_gpiod':
   ad525x_dpot-i2c.c:(.text+0x278): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/bh1770glc.o: in function `acpi_get_gpiod':
   bh1770glc.c:(.text+0x28a8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/apds990x.o: in function `acpi_get_gpiod':
   apds990x.c:(.text+0x23a8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/isl29003.o: in function `acpi_get_gpiod':
   isl29003.c:(.text+0xad8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/isl29020.o: in function `acpi_get_gpiod':
   isl29020.c:(.text+0x5e8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/tsl2550.o: in function `acpi_get_gpiod':
   tsl2550.c:(.text+0x9d8): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/ds1682.o: in function `acpi_get_gpiod':
   ds1682.c:(.text+0x578): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/hmc6352.o: in function `acpi_get_gpiod':
   hmc6352.c:(.text+0x568): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here
   s390-linux-ld: drivers/misc/eeprom/eeprom.o: in function `acpi_get_gpiod':
   eeprom.c:(.text+0x7a0): multiple definition of `acpi_get_gpiod'; init/main.o:main.c:(.text+0x0): first defined here

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org