linux-kernel - Re: [PATCH 7/7] rtc: m41t93: Add watchdog support

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Message-ID: <202509050759.dwYECwEA-lkp@intel.com>
Date: Fri, 5 Sep 2025 07:23:45 +0800
From: kernel test robot <lkp@...el.com>
To: Akhilesh Patil <akhilesh@...iitb.ac.in>, alexandre.belloni@...tlin.com,
	krzk+dt@...nel.org, robh@...nel.org, conor+dt@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	skhan@...uxfoundation.org, linux-rtc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	akhileshpatilvnit@...il.com
Subject: Re: [PATCH 7/7] rtc: m41t93: Add watchdog support

Hi Akhilesh,

kernel test robot noticed the following build errors:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on linus/master v6.17-rc4 next-20250904]
[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/Akhilesh-Patil/rtc-m41t93-add-device-tree-support/20250903-223155
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
patch link:    https://lore.kernel.org/r/694706ad8577a36ef8948e0d9ca7ea561900fbc2.1756908788.git.akhilesh%40ee.iitb.ac.in
patch subject: [PATCH 7/7] rtc: m41t93: Add watchdog support
config: x86_64-randconfig-007-20250904 (https://download.01.org/0day-ci/archive/20250905/202509050759.dwYECwEA-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250905/202509050759.dwYECwEA-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509050759.dwYECwEA-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: devm_watchdog_register_device
   >>> referenced by rtc-m41t93.c:490 (drivers/rtc/rtc-m41t93.c:490)
   >>>               drivers/rtc/rtc-m41t93.o:(m41t93_watchdog_register) in archive vmlinux.a

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki