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a="1988238" X-IronPort-AV: E=Sophos;i="6.27,183,1787036400"; d="scan'208";a="1988238" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2026 15:35:18 -0700 X-CSE-ConnectionGUID: S8VWlZw/SiOiKGj3mm12SQ== X-CSE-MsgGUID: qDSYzWzATn+NZCM974W/NA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,183,1787036400"; d="scan'208";a="5074307" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 28 Oct 2026 15:35:17 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xMCEk-00000000ZJE-1qrH; Wed, 28 Oct 2026 22:35:14 +0000 Date: Thu, 29 Oct 2026 06:34:30 +0800 From: kernel test robot To: Andrea della Porta Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH RFC 3/4] hwmon: Add driver for Raspberry Pi RP1 fan tachometer Message-ID: <202610290603.jyaKuy04-lkp@intel.com> References: <0d2249a66732bfce38a2260bee08cd1ba4097e51.1792748690.git.andrea.porta@suse.com> X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0d2249a66732bfce38a2260bee08cd1ba4097e51.1792748690.git.andrea.porta@suse.com> Hi Andrea, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on linux-review/Andrea-della-Porta/dt-bindings-pwm-Add-Raspberry-Pi-RP1-PWM-controller/20260929-150211] url: https://github.com/intel-lab-lkp/linux/commits/Andrea-della-Porta/pwm-rp1-Export-helper-to-read-fan-tachometer-RPM/20261023-121554 base: https://github.com/intel-lab-lkp/linux Andrea-della-Porta/dt-bindings-pwm-Add-Raspberry-Pi-RP1-PWM-controller/20260929-150211 patch link: https://lore.kernel.org/r/0d2249a66732bfce38a2260bee08cd1ba4097e51.1792748690.git.andrea.porta%40suse.com patch subject: [PATCH RFC 3/4] hwmon: Add driver for Raspberry Pi RP1 fan tachometer config: xtensa-randconfig-1001-20261028 (https://download.01.org/0day-ci/archive/20261029/202610290603.jyaKuy04-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261029/202610290603.jyaKuy04-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610290603.jyaKuy04-lkp@intel.com/ All errors (new ones prefixed by >>): xtensa-linux-ld: drivers/hwmon/rp1-hwmon.o: in function `rp1_fan_put_device': >> rp1-hwmon.c:(.text+0x40): undefined reference to `rp1_pwm_read_tachometer' xtensa-linux-ld: drivers/hwmon/rp1-hwmon.o: in function `rp1_fan_read': rp1-hwmon.c:(.text+0x52): undefined reference to `rp1_pwm_read_tachometer' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki