linux-kernel - Re: [PATCH v4 5/5] thermal: renesas: rzg3e: add support for RZ/T2H and RZ/N2H

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Message-ID: <202601151246.oPHRcNB4-lkp@intel.com>
Date: Thu, 15 Jan 2026 12:43:11 +0800
From: kernel test robot <lkp@...el.com>
To: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>,
	John Madieu <john.madieu.xa@...renesas.com>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
Subject: Re: [PATCH v4 5/5] thermal: renesas: rzg3e: add support for RZ/T2H
 and RZ/N2H

Hi Cosmin,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/thermal]
[also build test ERROR on linus/master v6.19-rc5 next-20260114]
[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/Cosmin-Tanislav/thermal-renesas-rzg3e-make-min-and-max-temperature-per-chip/20260109-015424
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git thermal
patch link:    https://lore.kernel.org/r/20260108165324.11376-6-cosmin-gabriel.tanislav.xa%40renesas.com
patch subject: [PATCH v4 5/5] thermal: renesas: rzg3e: add support for RZ/T2H and RZ/N2H
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260115/202601151246.oPHRcNB4-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260115/202601151246.oPHRcNB4-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/202601151246.oPHRcNB4-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   drivers/thermal/renesas/rzg3e_thermal.c: In function 'rzg3e_thermal_get_smc_trim':
>> drivers/thermal/renesas/rzg3e_thermal.c:371:30: error: storage size of 'local_res' isn't known
     371 |         struct arm_smccc_res local_res;
         |                              ^~~~~~~~~
>> drivers/thermal/renesas/rzg3e_thermal.c:373:9: error: implicit declaration of function 'arm_smccc_smc' [-Wimplicit-function-declaration]
     373 |         arm_smccc_smc(RZ_SIP_SVC_GET_SYSTSU, OTP_TSU_REG_ADR_TEMPLO,
         |         ^~~~~~~~~~~~~
>> drivers/thermal/renesas/rzg3e_thermal.c:371:30: warning: unused variable 'local_res' [-Wunused-variable]
     371 |         struct arm_smccc_res local_res;
         |                              ^~~~~~~~~


vim +371 drivers/thermal/renesas/rzg3e_thermal.c

   368	
   369	static int rzg3e_thermal_get_smc_trim(struct rzg3e_thermal_priv *priv)
   370	{
 > 371		struct arm_smccc_res local_res;
   372	
 > 373		arm_smccc_smc(RZ_SIP_SVC_GET_SYSTSU, OTP_TSU_REG_ADR_TEMPLO,
   374			      0, 0, 0, 0, 0, 0, &local_res);
   375		priv->trmval0 = local_res.a0 & TSU_CODE_MAX;
   376	
   377		arm_smccc_smc(RZ_SIP_SVC_GET_SYSTSU, OTP_TSU_REG_ADR_TEMPHI,
   378			      0, 0, 0, 0, 0, 0, &local_res);
   379		priv->trmval1 = local_res.a0 & TSU_CODE_MAX;
   380	
   381		return 0;
   382	}
   383	

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