[PATCH v3] backlight: lp855x: Switch to atomic PWM API

[kernel test robot]

Hi "Maíra,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on lee-backlight/for-backlight-next]
[also build test ERROR on v5.15-rc7 next-20211029]
[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/Ma-ra-Canal/backlight-lp855x-Switch-to-atomic-PWM-API/20211030-213551
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git for-backlight-next
config: m68k-randconfig-r005-20211028 (attached as .config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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/f4d53f4d51c78636fc4fd34aecbdcbd1f83f656e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ma-ra-Canal/backlight-lp855x-Switch-to-atomic-PWM-API/20211030-213551
        git checkout f4d53f4d51c78636fc4fd34aecbdcbd1f83f656e
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   m68k-linux-ld: arch/m68k/kernel/machine_kexec.o: in function `machine_kexec':
   machine_kexec.c:(.text+0x154): undefined reference to `m68k_mmutype'
   m68k-linux-ld: machine_kexec.c:(.text+0x15c): undefined reference to `m68k_cputype'
   m68k-linux-ld: arch/m68k/kernel/relocate_kernel.o:(.m68k_fixup+0x0): undefined reference to `M68K_FIXUP_MEMOFFSET'
   m68k-linux-ld: arch/m68k/kernel/relocate_kernel.o:(.m68k_fixup+0x8): undefined reference to `M68K_FIXUP_MEMOFFSET'
   m68k-linux-ld: arch/m68k/kernel/uboot.o: in function `process_uboot_commandline':
   uboot.c:(.init.text+0x2e): undefined reference to `_init_sp'
   m68k-linux-ld: drivers/video/backlight/lp855x_bl.o: in function `lp855x_bl_update_status':
>> lp855x_bl.c:(.text+0x15c): undefined reference to `__udivdi3'

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