linux-kernel - Re: da9062_wdt.c:undefined reference to `i2c_smbus_write_byte

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Date:   Sat, 8 Feb 2020 08:38:59 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Randy Dunlap <rdunlap@...radead.org>,
        kbuild test robot <lkp@...el.com>,
        Marco Felsch <m.felsch@...gutronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Stefan Lengfeld <contact@...fanchrist.eu>,
        Adam Thomson <Adam.Thomson.Opensource@...semi.com>
Subject: Re: da9062_wdt.c:undefined reference to `i2c_smbus_write_byte_data'

On 2/8/20 8:06 AM, Randy Dunlap wrote:
> On 2/8/20 5:14 AM, kbuild test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   f757165705e92db62f85a1ad287e9251d1f2cd82
>> commit: 057b52b4b3d58f4ee5944171da50f77b00a1bb0d watchdog: da9062: make restart handler atomic safe
>> date:   12 days ago
>> config: i386-randconfig-b001-20200208 (attached as .config)
>> compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
>> reproduce:
>>          git checkout 057b52b4b3d58f4ee5944171da50f77b00a1bb0d
>>          # save the attached .config to linux build tree
>>          make ARCH=i386
>>
>> If you fix the issue, kindly add following tag
>> Reported-by: kbuild test robot <lkp@...el.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>     ld: drivers/watchdog/da9062_wdt.o: in function `da9062_wdt_restart':
>>>> da9062_wdt.c:(.text+0x1c): undefined reference to `i2c_smbus_write_byte_data'
>>
>> ---
>> 0-DAY CI Kernel Test Service, Intel Corporation
>> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
> 
> 
> Also reported here:
> https://lore.kernel.org/lkml/ac797eb0-9b0a-d2d3-3a40-3fbd0a8b5ee0@infradead.org/
> 

Yes, I know, and 0-day reported it earlier as well. Unfortunately
neither resulted in a fix. I submitted one last night; see
https://patchwork.kernel.org/patch/11371651/.

Guenter