12:50 p.m.
Hi Laurent,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v5.8-rc1 next-20200614]
[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/Laurent-Pinchart/media-ti-vpe-ca...
base: git://linuxtv.org/media_tree.git master
config: sh-allmodconfig (attached as .config)
compiler: sh4-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from include/linux/err.h:5,
from include/linux/clk.h:12,
from drivers/media/platform/ti-vpe/cal.c:12:
drivers/media/platform/ti-vpe/cal.h: In function 'cal_write_field':
include/linux/bitfield.h:52:28: warning: comparison is always false due to limited range
of data type [-Wtype-limits]
52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, |
^
include/linux/compiler.h:330:9: note: in definition of macro
'__compiletime_assert'
330 | if (!(condition)) | ^~~~~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, | ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:94:3: note: in expansion of macro '__BF_FIELD_CHECK'
94 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); |
^~~~~~~~~~~~~~~~
> drivers/media/platform/ti-vpe/cal.h:229:9: note: in expansion of
macro 'FIELD_PREP'
229 | val |= FIELD_PREP(mask, value);
| ^~~~~~~~~~
vim +/FIELD_PREP +229 drivers/media/platform/ti-vpe/cal.h
222
223 static inline void cal_write_field(struct cal_dev *cal, u32 offset, u32 value,
224 u32 mask)
225 {
226 u32 val = cal_read(cal, offset);
227
228 val &= ~mask;
229 val |= FIELD_PREP(mask, value);
230 cal_write(cal,
offset, val);
231 }
232
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org