tree: https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git for-next/scmi head: 2a3dd29cd558176610c7c9872804465a079b1c8e commit: f0a2500a2a050ea76fbc16f0b4d22d62f4a7ae05 [19/20] firmware: arm_scmi: Keep the discrete clock rates sorted config: ia64-randconfig-r031-20200709 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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 git checkout f0a2500a2a050ea76fbc16f0b4d22d62f4a7ae05 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/firmware/arm_scmi/clock.c: In function 'rate_cmp_func': 128 | u64 *r1 = _r1, *r2 = _r2; | ^~~ drivers/firmware/arm_scmi/clock.c:128:23: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 128 | u64 *r1 = _r1, *r2 = _r2; | ^~~ vim +/const +128 drivers/firmware/arm_scmi/clock.c 125 126 static int rate_cmp_func(const void *_r1, const void *_r2) 127 { 129 130 return r1 - r2; 131 } 132 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org