Hi Sebastian,

I love your patch! Yet something to improve:

[auto build test ERROR on input/next]
[also build test ERROR on v5.7-rc6 next-20200519]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Sebastian-Reichel/EXC3000-Updates/20200520-023207
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 135b877874fae96b4372c8a3fbfaa8ff44ff86e3)
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/input/touchscreen/exc3000.c:48:13: error: use of undeclared identifier 'SZ_4K'
.max_xy = SZ_4K - 1,
^
>> drivers/input/touchscreen/exc3000.c:52:13: error: use of undeclared identifier 'SZ_16K'
.max_xy = SZ_16K - 1,
^
drivers/input/touchscreen/exc3000.c:56:13: error: use of undeclared identifier 'SZ_16K'
.max_xy = SZ_16K - 1,
^
drivers/input/touchscreen/exc3000.c:99:28: error: use of undeclared identifier 'SZ_16K'
if (data->info->max_xy == SZ_16K - 1)
^
4 errors generated.

vim +/SZ_4K +48 drivers/input/touchscreen/exc3000.c

    44	
    45	static struct eeti_dev_info exc3000_info[] = {
    46		[EETI_EXC3000] = {
    47			.name = "EETI EXC3000 Touch Screen",
  > 48			.max_xy = SZ_4K - 1,
    49		},
    50		[EETI_EXC80H60] = {
    51			.name = "EETI EXC80H60 Touch Screen",
  > 52			.max_xy = SZ_16K - 1,
    53		},
    54		[EETI_EXC80H84] = {
    55			.name = "EETI EXC80H84 Touch Screen",
    56			.max_xy = SZ_16K - 1,
    57		},
    58	};
    59	

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