[soc:multiplatform-misc-5.18 6/13] 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
kernel test robot
lkp at intel.com
Tue Apr 5 20:02:48 PDT 2022
tree: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git multiplatform-misc-5.18
head: a2677c00b0f03b8cad961f785941ca257f454df3
commit: 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8 [6/13] ARM: dove: multiplatform support
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220406/202204061141.27Z9PAjf-lkp@intel.com/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=09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8
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 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8
# 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 at intel.com>
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 at arm.com>
:::::: CC: Olof Johansson <olof at lixom.net>
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