From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (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 623D22566; Wed, 22 Mar 2023 11:18:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1679483917; x=1711019917; h=date:from:to:cc:subject:message-id:mime-version; bh=NOS3qjKWkRPBeWnoeomAnjKX3B7ayL8JnTZy2osIB6s=; b=MFEZi2pQN4oG0qMcXhHLjETcrvGLdVLOrbpQs2Mq8I+kDBgQrHXPdRmh HIZgHXx7BI6mrGI2eAyQEadXpYpM+WfZ3yWdva60wCd+Wv1K8PjIG+IcZ IdT+fikZi76FGozwDOo6NbPXL20Sk/O+sDo4SPcE/Roa/As7xO1lZfBQK vH6oukSglfm1Eu22JEqPZ8zvaJuejXchrEL/6pJNO1BxUzhgcLWIBM25P vGf2W7zVMXO2fOV/nrbmwNQnNZMnPwonkVsZY8wWl+agE62cpf7aRBF2K KpipnVIdtBGYlsxsCDzOHBJ5LD/sKR1ENAvMmGUJpBPs3zLdcf1GSdYjF Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10656"; a="327566794" X-IronPort-AV: E=Sophos;i="5.98,281,1673942400"; d="scan'208";a="327566794" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2023 04:18:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10656"; a="681860415" X-IronPort-AV: E=Sophos;i="5.98,281,1673942400"; d="scan'208";a="681860415" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 22 Mar 2023 04:18:34 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pewUE-000DDy-0g; Wed, 22 Mar 2023 11:18:34 +0000 Date: Wed, 22 Mar 2023 19:17:48 +0800 From: kernel test robot To: Qin Jian Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Stephen Boyd Subject: [clk:clk-sunplus 1/1] drivers/clk/clk-sp7021.c:316:8: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((_m), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigne... Message-ID: <202303221947.pXP2v4xJ-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-sunplus head: d54c1fd4a51e8fbc7f9da86b0cd338a4f7cd2bb2 commit: d54c1fd4a51e8fbc7f9da86b0cd338a4f7cd2bb2 [1/1] clk: Add Sunplus SP7021 clock driver config: mips-randconfig-r012-20230322 (https://download.01.org/0day-ci/archive/20230322/202303221947.pXP2v4xJ-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mipsel-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/commit/?id=d54c1fd4a51e8fbc7f9da86b0cd338a4f7cd2bb2 git remote add clk https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git git fetch --no-tags clk clk-sunplus git checkout d54c1fd4a51e8fbc7f9da86b0cd338a4f7cd2bb2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/clk/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202303221947.pXP2v4xJ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/clk/clk-sp7021.c:316:8: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((_m), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (_m)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] r0 |= HWM_FIELD_PREP(MASK_SEL_FRA, clk->p[SEL_FRA]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-sp7021.c:45:15: note: expanded from macro 'HWM_FIELD_PREP' (_m << 16) | FIELD_PREP(_m, value); \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ drivers/clk/clk-sp7021.c:317:8: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((_m), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (_m)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] r0 |= HWM_FIELD_PREP(MASK_SDM_MOD, clk->p[SDM_MOD]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-sp7021.c:45:15: note: expanded from macro 'HWM_FIELD_PREP' (_m << 16) | FIELD_PREP(_m, value); \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ drivers/clk/clk-sp7021.c:318:8: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((_m), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (_m)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] r0 |= HWM_FIELD_PREP(MASK_PH_SEL, clk->p[PH_SEL]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-sp7021.c:45:15: note: expanded from macro 'HWM_FIELD_PREP' (_m << 16) | FIELD_PREP(_m, value); \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ drivers/clk/clk-sp7021.c:319:8: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((_m), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (_m)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] r0 |= HWM_FIELD_PREP(MASK_NFRA, clk->p[NFRA]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-sp7021.c:45:15: note: expanded from macro 'HWM_FIELD_PREP' (_m << 16) | FIELD_PREP(_m, value); \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ drivers/clk/clk-sp7021.c:321:8: warning: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Generic((_m), char: (unsigned char)0, unsigned char: (unsigned char)0, signed char: (unsigned char)0, unsigned short: (unsigned short)0, short: (unsigned short)0, unsigned int: (unsigned int)0, int: (unsigned int)0, unsigned long: (unsigned long)0, long: (unsigned long)0, unsigned long long: (unsigned long long)0, long long: (unsigned long long)0, default: (_m)))' (aka 'unsigned int') is always false [-Wtautological-constant-out-of-range-compare] r1 = HWM_FIELD_PREP(MASK_DIVR, clk->p[DIVR]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/clk-sp7021.c:45:15: note: expanded from macro 'HWM_FIELD_PREP' (_m << 16) | FIELD_PREP(_m, value); \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:114:3: note: expanded from macro 'FIELD_PREP' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:71:53: note: expanded from macro '__BF_FIELD_CHECK' BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) > \ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) vim +316 drivers/clk/clk-sp7021.c 309 310 static int plltv_set_rate(struct sp_pll *clk) 311 { 312 unsigned long flags; 313 u32 r0, r1, r2; 314 315 r0 = BIT(clk->bp_bit + 16); > 316 r0 |= HWM_FIELD_PREP(MASK_SEL_FRA, clk->p[SEL_FRA]); 317 r0 |= HWM_FIELD_PREP(MASK_SDM_MOD, clk->p[SDM_MOD]); 318 r0 |= HWM_FIELD_PREP(MASK_PH_SEL, clk->p[PH_SEL]); 319 r0 |= HWM_FIELD_PREP(MASK_NFRA, clk->p[NFRA]); 320 321 r1 = HWM_FIELD_PREP(MASK_DIVR, clk->p[DIVR]); 322 323 r2 = HWM_FIELD_PREP(MASK_DIVN, clk->p[DIVN] - 1); 324 r2 |= HWM_FIELD_PREP(MASK_DIVM, clk->p[DIVM] - 1); 325 326 spin_lock_irqsave(&clk->lock, flags); 327 writel(r0, clk->reg); 328 writel(r1, clk->reg + 4); 329 writel(r2, clk->reg + 8); 330 spin_unlock_irqrestore(&clk->lock, flags); 331 332 return 0; 333 } 334 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests