tree: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git multiplatform-misc-5.18 head: 9e48eacd8cb623d8638d06d0f3c523d5222e2e82 commit: 57aa73aeafb7e2cacc9c89b4ff69306136c77a82 [1/13] ARM: versatile: move integrator/realview/vexpress to versatile config: arm-defconfig (https://download.01.org/0day-ci/archive/20220403/202204031026.4ogKxt89-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-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://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/commit/?id=57aa73aeafb7e2cacc9c89b4ff69306136c77a82 git remote add soc https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git git fetch --no-tags soc multiplatform-misc-5.18 git checkout 57aa73aeafb7e2cacc9c89b4ff69306136c77a82 # 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=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/arm/mach-versatile/spc.c:231: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * ve_spc_cpu_in_wfi(u32 cpu, u32 cluster) vim +231 arch/arm/mach-versatile/spc.c 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 229 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 230 /** 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 @231 * ve_spc_cpu_in_wfi(u32 cpu, u32 cluster) 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 232 * 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 233 * @cpu: mpidr[7:0] bitfield describing CPU affinity level within cluster 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 234 * @cluster: mpidr[15:8] bitfield describing cluster affinity level 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 235 * 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 236 * @return: non-zero if and only if the specified CPU is in WFI 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 237 * 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 238 * Take care when interpreting the result of this function: a CPU might 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 239 * be in WFI temporarily due to idle, and is not necessarily safely 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 240 * parked. 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 241 */ 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 242 int ve_spc_cpu_in_wfi(u32 cpu, u32 cluster) 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 243 { 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 244 int ret; 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 245 u32 mask = standbywfi_cpu_mask(cpu, cluster); 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 246 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 247 if (cluster >= MAX_CLUSTERS) 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 248 return 1; 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 249 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 250 ret = readl_relaxed(info->baseaddr + STANDBYWFI_STAT); 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 251 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 252 pr_debug("%s: PCFGREG[0x%X] = 0x%08X, mask = 0x%X\n", 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 253 __func__, STANDBYWFI_STAT, ret, mask); 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 254 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 255 return ret & mask; 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 256 } 33cb667a00f841 arch/arm/mach-vexpress/spc.c Dave Martin 2013-11-25 257 :::::: The code at line 231 was first introduced by commit :::::: 33cb667a00f841fa036ad79f1aaaf7d6380c971d ARM: vexpress/TC2: Implement MCPM power_down_finish() :::::: TO: Dave Martin <Dave.Martin@xxxxxxx> :::::: CC: Olof Johansson <olof@xxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
