linux-kernel - Re: [PATCH v1 3/3] counter: Add STM based counter

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Message-ID: <202512090408.Ju8SNkSq-lkp@intel.com>
Date: Tue, 9 Dec 2025 04:25:09 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>, wbg@...nel.org,
	robh@...nel.org, conor+dt@...nel.org, krzk+dt@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, s32@....com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org
Subject: Re: [PATCH v1 3/3] counter: Add STM based counter

Hi Daniel,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.18 next-20251208]
[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/Daniel-Lezcano/counters-Reorder-the-Makefile/20251208-110937
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20251208030413.3117660-4-daniel.lezcano%40linaro.org
patch subject: [PATCH v1 3/3] counter: Add STM based counter
config: loongarch-randconfig-001-20251209 (https://download.01.org/0day-ci/archive/20251209/202512090408.Ju8SNkSq-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 6ec8c4351cfc1d0627d1633b02ea787bd29c77d8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251209/202512090408.Ju8SNkSq-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/202512090408.Ju8SNkSq-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/counter/nxp-stm-cnt.c:110:2: error: call to undeclared function 'FIELD_MODIFY'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     110 |         FIELD_MODIFY(STM_CR_CPS_MASK, &reg, prescaler);
         |         ^
>> drivers/counter/nxp-stm-cnt.c:119:9: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     119 |         return FIELD_GET(STM_CR_CPS_MASK, reg);
         |                ^
   drivers/counter/nxp-stm-cnt.c:128:11: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     128 |         return !!FIELD_GET(STM_CR_TEN, reg);
         |                  ^
   3 errors generated.


vim +/FIELD_MODIFY +110 drivers/counter/nxp-stm-cnt.c

   103	
   104	static void nxp_stm_cnt_set_prescaler(struct nxp_stm_cnt *stm_cnt, u8 prescaler)
   105	{
   106		u32 reg;
   107	
   108		reg = readl(STM_CR(stm_cnt->base));
   109	
 > 110		FIELD_MODIFY(STM_CR_CPS_MASK, &reg, prescaler);
   111	
   112		writel(reg, STM_CR(stm_cnt->base));
   113	}
   114	
   115	static u8 nxp_stm_cnt_get_prescaler(struct nxp_stm_cnt *stm_cnt)
   116	{
   117		u32 reg = readl(STM_CR(stm_cnt->base));
   118	
 > 119		return FIELD_GET(STM_CR_CPS_MASK, reg);
   120	}
   121	

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