On Fri, Aug 4, 2023 at 6:14 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master > head: 1ce1cd8208ad6060e4fcf6e09068c8954687c127 > commit: 1ce1cd8208ad6060e4fcf6e09068c8954687c127 [83/83] hwrng: Enable COMPILE_TEST for more drivers > config: s390-randconfig-r015-20230801 (https://download.01.org/0day-ci/archive/20230804/202308042049.8R2tNRoo-lkp@xxxxxxxxx/config) > compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) > reproduce: (https://download.01.org/0day-ci/archive/20230804/202308042049.8R2tNRoo-lkp@xxxxxxxxx/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202308042049.8R2tNRoo-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > >> drivers/char/hw_random/xgene-rng.c:110:2: error: call to undeclared function 'writel'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 110 | writel(fro_val, ctx->csr_base + RNG_FRODETUNE); > | ^ Looks like my DT header clean-up patch collides with this one. An explicit io.h include is needed. Rob
