Re: [PATCH v2 4/4] rtc: jz4740: Support for fine-tuning the RTC clock

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Hi Bot,

Well this report is on my RFC patch so I consider the patchset to still be valid.

If I can actually test my RFC patch I'll send it again with this bug fixed.

Cheers,
-Paul


Le sam. 29 oct. 2022 à 16:51:53 +0800, kernel test robot <lkp@xxxxxxxxx> a écrit :
Hi Paul,

I love your patch! Yet something to improve:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on robh/for-next linus/master v6.1-rc2 next-20221028] [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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Paul-Cercueil/rtc-ingenic-various-updates/20221029-065805 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20221028225519.89210-5-paul%40crapouillou.net patch subject: [PATCH v2 4/4] rtc: jz4740: Support for fine-tuning the RTC clock
config: sparc64-randconfig-c043-20221028
compiler: sparc64-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/b73614c39710acaff7977b8d3ec935105cf59757 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Paul-Cercueil/rtc-ingenic-various-updates/20221029-065805
        git checkout b73614c39710acaff7977b8d3ec935105cf59757
        # 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=sparc64 SHELL=/bin/bash drivers/rtc/

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/rtc/rtc-jz4740.c: In function 'jz4740_rtc_set_offset':
include/linux/compiler_types.h:357:45: error: call to '__compiletime_assert_248' declared with attribute error: FIELD_PREP: value too large for the field
357 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
include/linux/compiler_types.h:338:25: note: in definition of macro '__compiletime_assert' 338 | prefix ## suffix(); \
         |                         ^~~~~~
include/linux/compiler_types.h:357:9: note: in expansion of macro '_compiletime_assert' 357 | _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:68:17: note: in expansion of macro 'BUILD_BUG_ON_MSG' 68 | BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \
         |                 ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK' 114 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
         |                 ^~~~~~~~~~~~~~~~
drivers/rtc/rtc-jz4740.c:256:17: note: in expansion of macro 'FIELD_PREP' 256 | nc1hz = FIELD_PREP(JZ_RTC_REGULATOR_NC1HZ_MASK, nc1hz);
         |                 ^~~~~~~~~~


vim +/__compiletime_assert_248 +357 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  343
eb5c2d4b45e3d2 Will Deacon 2020-07-21 344 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 345 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  346
eb5c2d4b45e3d2 Will Deacon 2020-07-21  347  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 348 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 349 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 350 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  351   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 352 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 353 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 354 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  355   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 356 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @357 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  358

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https://01.org/lkp






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