Hi Vinod, On Wed, 2022-09-28 at 09:38 +0800, kernel test robot wrote: > tree: > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git__;!!CTRNKA9wMg0ARbw!1QxZihNN3yCxrrmBJq8YLUep_3bHBb2rBGHOuNdinUSmSa7DEzMgOSwHIkRajBJAOc5p$ > master > head: 1bd8b75fe6adeaa89d02968bdd811ffe708cf839 > commit: c221baa355483548fb01456442615a838e66aec6 [8892/10852] phy: > mediatek: xsphy: remove macros used to prepare bitfield value > config: arc-randconfig-r043-20220926 > compiler: arc-elf-gcc (GCC) 12.1.0 > reproduce (this is a W=1 build): > wget > https://urldefense.com/v3/__https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross__;!!CTRNKA9wMg0ARbw!1QxZihNN3yCxrrmBJq8YLUep_3bHBb2rBGHOuNdinUSmSa7DEzMgOSwHIkRajP__aj3D$ > -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c221baa355483548fb01456442615a838e66aec6__;!!CTRNKA9wMg0ARbw!1QxZihNN3yCxrrmBJq8YLUep_3bHBb2rBGHOuNdinUSmSa7DEzMgOSwHIkRajBXTW0iT$ > > git remote add linux-next > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git__;!!CTRNKA9wMg0ARbw!1QxZihNN3yCxrrmBJq8YLUep_3bHBb2rBGHOuNdinUSmSa7DEzMgOSwHIkRajBJAOc5p$ > > git fetch --no-tags linux-next master > git checkout c221baa355483548fb01456442615a838e66aec6 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 > make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > In file included from <command-line>: > drivers/phy/mediatek/phy-mtk-io.h: In function > 'mtk_phy_update_field': > > > include/linux/compiler_types.h:354:45: error: call to > > > '__compiletime_assert_274' declared with attribute error: > > > FIELD_PREP: mask is not constant > > 354 | _compiletime_assert(condition, msg, > __compiletime_assert_, __COUNTER__) > | ^ > include/linux/compiler_types.h:335:25: note: in definition of > macro '__compiletime_assert' > 335 | prefix ## > suffix(); \ > | ^~~~~~ > include/linux/compiler_types.h:354:9: note: in expansion of macro > '_compiletime_assert' > 354 | _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:65:17: note: in expansion of macro > 'BUILD_BUG_ON_MSG' > 65 > | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), > \ > | ^~~~~~~~~~~~~~~~ > include/linux/bitfield.h:114:17: note: in expansion of macro > '__BF_FIELD_CHECK' > 114 | __BF_FIELD_CHECK(_mask, 0ULL, _val, > "FIELD_PREP: "); \ > | ^~~~~~~~~~~~~~~~ > drivers/phy/mediatek/phy-mtk-io.h:42:40: note: in expansion of > macro 'FIELD_PREP' > 42 | mtk_phy_update_bits(reg, mask, FIELD_PREP(mask, > val)); > | ^~~~~~~~~~ > > > vim +/__compiletime_assert_274 +354 include/linux/compiler_types.h > > eb5c2d4b45e3d2 Will Deacon 2020-07-21 340 > eb5c2d4b45e3d2 Will Deacon 2020-07-21 341 #define > _compiletime_assert(condition, msg, prefix, suffix) \ > eb5c2d4b45e3d2 Will Deacon 2020-07-21 342 __compiletime_assert(co > ndition, msg, prefix, suffix) > eb5c2d4b45e3d2 Will Deacon 2020-07-21 343 > eb5c2d4b45e3d2 Will Deacon 2020-07-21 344 /** > eb5c2d4b45e3d2 Will Deacon 2020-07-21 345 * compiletime_assert - > break build and emit msg if condition is false > eb5c2d4b45e3d2 Will Deacon 2020-07-21 346 * @condition: a compile- > time constant condition to check > eb5c2d4b45e3d2 Will Deacon 2020-07-21 347 * @msg: a message > to emit if condition is false > eb5c2d4b45e3d2 Will Deacon 2020-07-21 348 * > eb5c2d4b45e3d2 Will Deacon 2020-07-21 349 * In tradition of POSIX > assert, this macro will break the build if the > eb5c2d4b45e3d2 Will Deacon 2020-07-21 350 * supplied condition is > *false*, emitting the supplied error message if the > eb5c2d4b45e3d2 Will Deacon 2020-07-21 351 * compiler has support > to do so. > eb5c2d4b45e3d2 Will Deacon 2020-07-21 352 */ > eb5c2d4b45e3d2 Will Deacon 2020-07-21 353 #define > compiletime_assert(condition, msg) \ > eb5c2d4b45e3d2 Will Deacon 2020-07-21 @354 _compiletime_assert(con > dition, msg, __compiletime_assert_, __COUNTER__) > eb5c2d4b45e3d2 Will Deacon 2020-07-21 355 > > :::::: The code at line 354 was first introduced by commit > :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move > compiletime_assert() macros into compiler_types.h > > :::::: TO: Will Deacon <will@xxxxxxxxxx> > :::::: CC: Will Deacon <will@xxxxxxxxxx> > Maybe my local compiler's parameter is not right, I don't encounter this warning when test it. Already sent out a fixed patch: [next] phy: mediatek: fix build warning of FIELD_PREP() https://patchwork.kernel.org/project/linux-mediatek/patch/20220926023750.21183-1-chunfeng.yun@xxxxxxxxxxxx/
