linux-kernel - Re: [PATCH v2 1/1] i2c: designware: use u64 for clock freq to avoid u32 multiplication overflow

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Date:   Thu, 15 Dec 2022 08:17:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hanna Hawa <hhhawa@...zon.com>, jarkko.nikula@...ux.intel.com,
        andriy.shevchenko@...ux.intel.com, mika.westerberg@...ux.intel.com,
        jsd@...ihalf.com, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, dwmw@...zon.co.uk, benh@...zon.com,
        ronenk@...zon.com, talel@...zon.com, jonnyc@...zon.com,
        hanochu@...zon.com, farbere@...zon.com, itamark@...zon.com,
        lareine@...zon.com, Hanna Hawa <hhhawa@...zon.com>
Subject: Re: [PATCH v2 1/1] i2c: designware: use u64 for clock freq to avoid
 u32 multiplication overflow

Hi Hanna,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on linus/master v6.1 next-20221214]
[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/Hanna-Hawa/i2c-designware-use-u64-for-clock-freq-to-avoid-u32-multiplication-overflow/20221214-234348
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
patch link:    https://lore.kernel.org/r/20221214154117.65714-1-hhhawa%40amazon.com
patch subject: [PATCH v2 1/1] i2c: designware: use u64 for clock freq to avoid u32 multiplication overflow
config: microblaze-randconfig-r022-20221214
compiler: microblaze-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/ebc1d2486302b86b3a474d0741b79be83bea0cb9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Hanna-Hawa/i2c-designware-use-u64-for-clock-freq-to-avoid-u32-multiplication-overflow/20221214-234348
        git checkout ebc1d2486302b86b3a474d0741b79be83bea0cb9
        # 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=microblaze SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   microblaze-linux-ld: drivers/i2c/busses/i2c-designware-common.o: in function `i2c_dw_scl_hcnt':
   drivers/i2c/busses/i2c-designware-common.c:354: undefined reference to `__udivdi3'
>> microblaze-linux-ld: drivers/i2c/busses/i2c-designware-common.c:370: undefined reference to `__udivdi3'
   microblaze-linux-ld: drivers/i2c/busses/i2c-designware-common.o: in function `i2c_dw_scl_lcnt':
   drivers/i2c/busses/i2c-designware-common.c:386: undefined reference to `__udivdi3'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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