Hi Andre, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.10-rc2 next-20201105] [cannot apply to arm64/for-next/core kvmarm/next arm-perf/for-next/perf] [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/Andre-Przywara/ARM-arm64-Add-SMCCC-TRNG-entropy-service/20201105-205934 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4ef8451b332662d004df269d4cdeb7d9f31419b5 config: arm-tango4_defconfig (attached as .config) compiler: arm-linux-gnueabi-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/1f0c18ec0b7aa0a67d7cdea2b1beb5e7b38c5f4b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andre-Przywara/ARM-arm64-Add-SMCCC-TRNG-entropy-service/20201105-205934 git checkout 1f0c18ec0b7aa0a67d7cdea2b1beb5e7b38c5f4b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/char/random.o: in function `arch_get_random_seed_long': >> random.c:(.text+0x134): undefined reference to `smccc_trng_available' >> arm-linux-gnueabi-ld: random.c:(.text+0x138): undefined reference to `smccc_trng_available' >> arm-linux-gnueabi-ld: random.c:(.text+0x15c): undefined reference to `arm_smccc_1_1_get_conduit' arm-linux-gnueabi-ld: drivers/char/random.o: in function `crng_reseed.constprop.0': random.c:(.text+0xe74): undefined reference to `smccc_trng_available' arm-linux-gnueabi-ld: random.c:(.text+0xe7c): undefined reference to `smccc_trng_available' arm-linux-gnueabi-ld: random.c:(.text+0xedc): undefined reference to `arm_smccc_1_1_get_conduit' arm-linux-gnueabi-ld: drivers/char/random.o: in function `add_interrupt_randomness': random.c:(.text+0x1f00): undefined reference to `smccc_trng_available' arm-linux-gnueabi-ld: random.c:(.text+0x1f04): undefined reference to `smccc_trng_available' arm-linux-gnueabi-ld: random.c:(.text+0x1f4c): undefined reference to `arm_smccc_1_1_get_conduit' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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