Hi Heiko, I love your patch! Perhaps something to improve: [auto build test WARNING on rockchip/for-next] [also build test WARNING on linuxtv-media/master linus/master v5.11-rc3 next-20210114] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Heiko-Stuebner/media-rockchip-rkisp1-carry-ip-version-information/20210115-124728 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: sparc-randconfig-r001-20210115 (attached as .config) compiler: sparc-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 # https://github.com/0day-ci/linux/commit/9a078d10ec53e5c1651ed5da0b37b0e4eb34fc47 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Heiko-Stuebner/media-rockchip-rkisp1-carry-ip-version-information/20210115-124728 git checkout 9a078d10ec53e5c1651ed5da0b37b0e4eb34fc47 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/string.h:21, from include/linux/bitmap.h:9, from include/linux/cpumask.h:12, from arch/sparc/include/asm/smp_32.h:15, from arch/sparc/include/asm/smp.h:7, from arch/sparc/include/asm/switch_to_32.h:5, from arch/sparc/include/asm/switch_to.h:7, from arch/sparc/include/asm/ptrace.h:120, from arch/sparc/include/asm/thread_info_32.h:19, from arch/sparc/include/asm/thread_info.h:7, from include/linux/thread_info.h:56, from include/asm-generic/preempt.h:5, from ./arch/sparc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/wait.h:9, from include/linux/poll.h:8, from include/media/v4l2-dev.h:13, from include/media/v4l2-common.h:18, from drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c:8: drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c: In function 'rkisp1_stats_get_hst_meas': >> arch/sparc/include/asm/string.h:18:29: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size] 18 | #define memset(s, c, count) __builtin_memset(s, c, count) | ^~~~~~~~~~~~~~~~ drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c:239:2: note: in expansion of macro 'memset' 239 | memset(pbuf->params.hist.hist_bins, 0, RKISP1_CIF_ISP_HIST_BIN_N_MAX); | ^~~~~~ vim +/memset +18 arch/sparc/include/asm/string.h 70a6fcf3283a0ac1 Al Viro 2016-01-17 16 70a6fcf3283a0ac1 Al Viro 2016-01-17 17 #define __HAVE_ARCH_MEMSET 70a6fcf3283a0ac1 Al Viro 2016-01-17 @18 #define memset(s, c, count) __builtin_memset(s, c, count) 70a6fcf3283a0ac1 Al Viro 2016-01-17 19 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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