2:27 p.m.
On Sat, 8 Aug 2020 08:03:38 +0800 kernel test robot <lkp(a)intel.com> wrote:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 30185b69a2d533c4ba6ca926b8390ce7de495e29
commit: 295bcca84916cb5079140a89fccb472bb8d1f6e2 linux/bits.h: add compile time sanity
check of GENMASK inputs
date: 4 months ago
config: s390-randconfig-r001-20200808 (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
git checkout 295bcca84916cb5079140a89fccb472bb8d1f6e2
# 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(a)intel.com>
All errors (new ones prefixed by >>):
drivers/mux/mmio.c: In function 'mux_mmio_probe':
drivers/mux/mmio.c:76:20: error: storage size of 'field' isn't known
76 | struct reg_field field;
| ^~~~~
In file included from include/linux/bits.h:23,
from include/linux/bitops.h:5,
from drivers/mux/mmio.c:8:
>> include/linux/bits.h:25:21: error: first argument to
'__builtin_choose_expr' not a constant
I assume the first error is the cause of the second?
struct reg_field is only defined if CONFIG_REGMAP, and that is unset in
this .config. Perhaps drivers/mux/mmio.c should depend on
CONFIG_REGMAP? (cc Peter).