tree: https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git v5.8/psa_ffa head: b483443526c98fa26aa37e66ac01d40407974824 commit: b483443526c98fa26aa37e66ac01d40407974824 [2/2] firmware: Add support for PSA FF-A transport for VM partitions config: x86_64-randconfig-s021-20200622 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout b483443526c98fa26aa37e66ac01d40407974824 # save the attached .config to linux build tree make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from <command-line>:32: 15 | uint16_t id; | ^~~~~~~~ ./usr/include/linux/arm_psa_ffa.h:16:2: error: unknown type name 'uint16_t' 16 | uint16_t exec_ctxt; | ^~~~~~~~ 17 | uint32_t properties; | ^~~~~~~~ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org