Messages in this thread | | | Date | Thu, 27 Jan 2022 14:40:13 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:google/android/kernel/common/android12-trusty-5.10 3280/5866] drivers/hwtracing/coresight/coresight-etm4x-core.c:118:5: warning: no previous prototype for 'ete_sysreg_read' |
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tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-trusty-5.10 head: 52cdd137fae0b001197a51646289e3cbdda921d5 commit: 82ce4a8af88d25d3f75de6e8437de3d2f049cac3 [3280/5866] FROMLIST: coresight: ete: Add support for ETE sysreg access config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220127/202201271425.6ykSQC3p-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 # https://github.com/ammarfaizi2/linux-block/commit/82ce4a8af88d25d3f75de6e8437de3d2f049cac3 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-trusty-5.10 git checkout 82ce4a8af88d25d3f75de6e8437de3d2f049cac3 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/hwtracing/coresight/coresight-etm4x-core.c:118:5: warning: no previous prototype for 'ete_sysreg_read' [-Wmissing-prototypes] 118 | u64 ete_sysreg_read(u32 offset, bool _relaxed, bool _64bit) | ^~~~~~~~~~~~~~~ >> drivers/hwtracing/coresight/coresight-etm4x-core.c:135:6: warning: no previous prototype for 'ete_sysreg_write' [-Wmissing-prototypes] 135 | void ete_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit) | ^~~~~~~~~~~~~~~~
vim +/ete_sysreg_read +118 drivers/hwtracing/coresight/coresight-etm4x-core.c
117 > 118 u64 ete_sysreg_read(u32 offset, bool _relaxed, bool _64bit) 119 { 120 u64 res = 0; 121 122 switch (offset) { 123 ETE_READ_CASES(res) 124 default : 125 pr_warn_ratelimited("ete: trying to read unsupported register @%x\n", 126 offset); 127 } 128 129 if (!_relaxed) 130 __iormb(res); /* Imitate the !relaxed I/O helpers */ 131 132 return res; 133 } 134 > 135 void ete_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit) 136 { 137 if (!_relaxed) 138 __iowmb(); /* Imitate the !relaxed I/O helpers */ 139 if (!_64bit) 140 val &= GENMASK(31, 0); 141 142 switch (offset) { 143 ETE_WRITE_CASES(val) 144 default : 145 pr_warn_ratelimited("ete: trying to write to unsupported register @%x\n", 146 offset); 147 } 148 } 149
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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