From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35D9725B091 for ; Fri, 3 Jul 2026 21:14:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783113291; cv=none; b=KLaEvnG5MxPwwbKlo32XpaNASpummYzTYFG7wtRwE7T2fjc1WnLw0bKMKk8z64/35FYdjwG4FMYKZPwFMs5nfX3wA8S4US/Rm1/RDLrngVlFsGRmGPd3Q6fNeF/kzkdWcsd55R50BeCfnSoC/jK2ApuO/8OPtW46qQMumQEhrjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783113291; c=relaxed/simple; bh=di74GbLBMQzp94YNIB8R45m6VosHvJxWxwPOUzbK1Vc=; h=Date:From:To:Cc:Subject:Message-ID; b=GokoaJwO/FwcsM28BEvLeNov8eOMNprZtWobxh5Nfjd5u2iHoYifReD1NV9L1xjzzoDauHPqOx/7Lfpd82QcHFR4/QX0BMDD1pLLhuxnPPxQ5dey1lLoOIJYPxhzksZyChJxhAFaX5GP0KkAv3ECl1ONlkgdMvJhOXWpEyTYqCY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=gNKLG2XV; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="gNKLG2XV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783113289; x=1814649289; h=date:from:to:cc:subject:message-id; bh=di74GbLBMQzp94YNIB8R45m6VosHvJxWxwPOUzbK1Vc=; b=gNKLG2XV3jM7NsKilNuxpBIdruiPXqNHsPciVZ27CU08AQhDcVesp1DK bGxYD3OQE2LNxdJ8uOtQwb5Gsj5JhRNK+IWuIPPH1zdufCQJ+C5Bng4dk uK6LxR5pTDb0XNxJ3qYvQ8Bkr87FUW892Vc/j85tQXPc0tLKKzUZ5TkbX zU4/Jc5eOw+R5Zbm8//22/B7lbv04CUpvsudopFErBGwmhF31nUqtfjXm P5OuBAp/L1AzBruP1DgQbUMb+x4DoArabCewotrwIaA6G3UR/gy6vMaBB hud8yktM1EiPRVmrLY1rBH/SrFUeRjQGnP23LhiMLfd5RFMMjGEb5fkny Q==; X-CSE-ConnectionGUID: 9hesJVM0SYKcERLM10sVfQ== X-CSE-MsgGUID: 1BTog9BPSK6r9Q/EvjqfPg== X-IronPort-AV: E=McAfee;i="6800,10657,11836"; a="84051696" X-IronPort-AV: E=Sophos;i="6.25,145,1779174000"; d="scan'208";a="84051696" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2026 14:14:48 -0700 X-CSE-ConnectionGUID: 4fH4yzPGRPGAzBDcDE8SSA== X-CSE-MsgGUID: QySIjZnbRoiizgW2eP35/g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,145,1779174000"; d="scan'208";a="283272015" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by orviesa002.jf.intel.com with ESMTP; 03 Jul 2026 14:14:47 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wflDg-00000000CWZ-2MN4; Fri, 03 Jul 2026 21:14:44 +0000 Date: Sat, 04 Jul 2026 05:14:34 +0800 From: kernel test robot To: Greg Ungerer Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Arnd Bergmann Subject: arch/m68k/coldfire/m523x.c:82:20: error: implicit declaration of function 'read8'; did you mean 'readb'? Message-ID: <202607040536.BiSGmESw-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hi Greg, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d2c9a99135da931377240942d44f3dea104cedb8 commit: e1f3a00670d13d1ed901125026c1f65394e670a5 m68k: coldfire: use ColdFire specifc IO access in SoC code date: 4 weeks ago config: m68k-randconfig-r122-20260704 (https://download.01.org/0day-ci/archive/20260704/202607040536.BiSGmESw-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260704/202607040536.BiSGmESw-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 | Fixes: e1f3a00670d1 ("m68k: coldfire: use ColdFire specifc IO access in SoC code") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202607040536.BiSGmESw-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/m68k/include/asm/io.h:6, from include/linux/io.h:12, from arch/m68k/coldfire/m523x.c:20: arch/m68k/coldfire/m523x.c: In function 'm523x_fec_init': >> arch/m68k/coldfire/m523x.c:82:20: error: implicit declaration of function 'read8'; did you mean 'readb'? [-Wimplicit-function-declaration] 82 | mcf_write8(read8(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C); | ^~~~~ arch/m68k/include/asm/io_no.h:23:75: note: in definition of macro '__raw_writeb' 23 | #define __raw_writeb(b, addr) (void)((*(__force volatile u8 *) (addr)) = (b)) | ^ arch/m68k/coldfire/m523x.c:82:9: note: in expansion of macro 'mcf_write8' 82 | mcf_write8(read8(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C); | ^~~~~~~~~~ vim +82 arch/m68k/coldfire/m523x.c 78 79 static void __init m523x_fec_init(void) 80 { 81 /* Set multi-function pins to ethernet use */ > 82 mcf_write8(read8(MCFGPIO_PAR_FECI2C) | 0xf0, MCFGPIO_PAR_FECI2C); 83 } 84 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki