[Intel-wired-lan] [PATCH] ice: add support for auxiliary input/output pins

[Jacob Keller <jacob.e.keller@intel.com>]

On 6/14/2021 10:15 AM, Nguyen, Anthony L wrote:
> On Wed, 2021-06-09 at 13:29 -0700, Jacob Keller wrote:
>> From: Maciej Machnikowski <maciej.machnikowski@intel.com>
>>
>> The E810 device supports programmable pins for enabling both input
>> and
>> output events related to the PTP hardware clock. This includes both
>> output signals with programmable period, as well as timestamping of
>> events on input pins.
>>
>> Add support for enabling these using the CONFIG_PTP_1588_CLOCK
>> interface.
>>
>> This allows programming the software defined pins to take advantage
>> of
>> the hardware clock features.
>>
>> Signed-off-by: Maciej Machnikowski <maciej.machnikowski@intel.com>
>> Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
>> ---
> 
> I'm seeing this for a 32bit build:
> 
>> make[2]: *** Deleting file 'modules-only.symvers'
>> ERROR: modpost: "__udivdi3" [drivers/net/ethernet/intel/ice/ice.ko]
> undefined!
>> ERROR: modpost: "__umoddi3" [drivers/net/ethernet/intel/ice/ice.ko]
> undefined!
>> make[2]: *** [../scripts/Makefile.modpost:150: modules-only.symvers]
> Error 1
>> make[1]: *** [/next-queue/Makefile:1754: modules] Error 2
>> make: *** [Makefile:215: __sub-make] Error 2
> 

I'm not certain which divisions are causing problems, but I suspect it
is the roundup() macro and/or some of the % modulo operations.