Re: [usb:usb-testing 23/28] tcpm.c:undefined reference to `__udivdi3'

[Amit Sunil Dhamne <amitsd@google.com>]

Hi Greg,

On 7/9/26 7:17 AM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> head:   472ce6621e371aafc03c0704d1d940f51d8159db
> commit: b3c9b6925ca2e02ef2fd77d0aa5e0ca6b2a67f5a [23/28] usb: typec: tcpm: Add support for Battery Status response message
> config: i386-buildonly-randconfig-005 (https://download.01.org/0day-ci/archive/20260709/202607092212.lINETdSF-lkp@intel.com/config)
> compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607092212.lINETdSF-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202607092212.lINETdSF-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>     ld: drivers/usb/typec/tcpm/tcpm.o: in function `tcpm_pd_send_batt_status.constprop.0':
>>> tcpm.c:(.text+0x6743): undefined reference to `__udivdi3'
>>> ld: tcpm.c:(.text+0x6764): undefined reference to `__udivdi3'

W=1 build fails in 32 bit architectures as I have directly used "/" 
operator for division in my patch instead of the kernel helpers. I have 
a fix for this. I will send a new revision for the original series [1], 
hope that's okay?


[1] 
https://lore.kernel.org/all/20260701-batt-status-v4-0-a31d97b1ae57@google.com/


Thanks,

Amit

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