Hi Marco,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3 next-20190916]
[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/Marco-Felsch/DA9062-PMIC-fixes-and-features/20190917-205911
config: x86_64-randconfig-e004-201937 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/regulator/da9062-regulator.c:19:10: fatal error: linux/mfd/da9062/gpio.h: No such file or directory
    #include <linux/mfd/da9062/gpio.h>
             ^~~~~~~~~~~~~~~~~~~~~~~~~
   compilation terminated.

vim +19 drivers/regulator/da9062-regulator.c

     5	
     6	#include <linux/kernel.h>
     7	#include <linux/module.h>
     8	#include <linux/init.h>
     9	#include <linux/err.h>
    10	#include <linux/gpio/consumer.h>
    11	#include <linux/slab.h>
    12	#include <linux/of.h>
    13	#include <linux/platform_device.h>
    14	#include <linux/regmap.h>
    15	#include <linux/regulator/driver.h>
    16	#include <linux/regulator/machine.h>
    17	#include <linux/regulator/of_regulator.h>
    18	#include <linux/mfd/da9062/core.h>
  > 19	#include <linux/mfd/da9062/gpio.h>
    20	#include <linux/mfd/da9062/registers.h>
    21	

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