Hi Hans,

I love your patch! Perhaps something to improve:

[auto build test WARNING on lee-mfd/for-mfd-next]
[also build test WARNING on chanwoo-extcon/extcon-next asoc/for-next v5.10 next-20201223]
[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/Hans-de-Goede/MFD-extcon-ASoC-Add-support-for-Intel-Bay-Trail-boards-with-WM5102-codec/20201228-051806
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: i386-randconfig-s002-20201227 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        # https://github.com/0day-ci/linux/commit/bc64046ad088b340f127f9eefdb8f941c03dcb53
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Hans-de-Goede/MFD-extcon-ASoC-Add-support-for-Intel-Bay-Trail-boards-with-WM5102-codec/20201228-051806
        git checkout bc64046ad088b340f127f9eefdb8f941c03dcb53
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

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


"sparse warnings: (new ones prefixed by >>)"
>> drivers/mfd/arizona-spi.c:29:31: sparse: sparse: symbol 'ldoena_gpios' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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