Messages in this thread | | | Date | Tue, 1 Feb 2022 03:34:12 +0800 | From | kernel test robot <> | Subject | [esmil:visionfive 29/62] drivers/soc/sifive/sifive_l2_cache.c:152:3: error: implicit declaration of function 'writeq' |
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tree: https://github.com/esmil/linux visionfive head: 8c758048edfd830baceb991167131c9d55786544 commit: 601a2f4e945153ebae8645596eda50ea39369c88 [29/62] sifive/sifive_l2_cache: Add sifive_l2_flush64_range function config: riscv-randconfig-r004-20220130 (https://download.01.org/0day-ci/archive/20220201/202202010337.bSdnhIBF-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2cdbaca3943a4d6259119f185656328bd3805b68) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/esmil/linux/commit/601a2f4e945153ebae8645596eda50ea39369c88 git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout 601a2f4e945153ebae8645596eda50ea39369c88 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/soc/sifive/sifive_l2_cache.c:152:3: error: implicit declaration of function 'writeq' [-Werror,-Wimplicit-function-declaration] writeq(line, l2_base + SIFIVE_L2_FLUSH64); ^ drivers/soc/sifive/sifive_l2_cache.c:142:19: warning: result of comparison of constant 36507222016 with expression of type 'unsigned long' is always false [-Wtautological-constant-out-of-range-compare] (start + len) > (CONFIG_SIFIVE_L2_FLUSH_START + ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated.
vim +/writeq +152 drivers/soc/sifive/sifive_l2_cache.c
123 124 #ifdef CONFIG_SIFIVE_L2_FLUSH 125 void sifive_l2_flush64_range(unsigned long start, unsigned long len) 126 { 127 unsigned long line; 128 129 if(!l2_base) { 130 pr_warn("L2CACHE: base addr invalid, skipping flush\n"); 131 return; 132 } 133 134 /* TODO: if (len == 0), skipping flush or going on? */ 135 if(!len) { 136 pr_debug("L2CACHE: flush64 range @ 0x%lx(len:0)\n", start); 137 return; 138 } 139 140 /* make sure the address is in the range */ 141 if(start < CONFIG_SIFIVE_L2_FLUSH_START || 142 (start + len) > (CONFIG_SIFIVE_L2_FLUSH_START + 143 CONFIG_SIFIVE_L2_FLUSH_SIZE)) { 144 pr_warn("L2CACHE: flush64 out of range: %lx(%lx), skip flush\n", 145 start, len); 146 return; 147 } 148 149 mb(); /* sync */ 150 for (line = start; line < start + len; 151 line += SIFIVE_L2_FLUSH64_LINE_LEN) { > 152 writeq(line, l2_base + SIFIVE_L2_FLUSH64); 153 mb(); 154 } 155 } 156 EXPORT_SYMBOL_GPL(sifive_l2_flush64_range); 157 #endif 158
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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