Hi Hector, I love your patch! Yet something to improve: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on robh/for-next tty/tty-testing linus/master v5.11 next-20210212] [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/Hector-Martin/Apple-M1-SoC-platf... base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: mips-randconfig-r002-20210215 (attached as .config) compiler: mips64-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/9785be3c8ec6cb8530d72cff794f5c224... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hector-Martin/Apple-M1-SoC-platform-bring-up/20210215-202520 git checkout 9785be3c8ec6cb8530d72cff794f5c22414f5a3e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 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 >>): lib/devres.c: In function '__devm_ioremap': 47 | addr = ioremap_np(offset, size); | ^~~~~~~~~~ | ioremap_uc lib/devres.c:47:8: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 47 | addr = ioremap_np(offset, size); | ^ cc1: some warnings being treated as errors vim +47 lib/devres.c 25 26 static void __iomem *__devm_ioremap(struct device *dev, resource_size_t offset, 27 resource_size_t size, 28 enum devm_ioremap_type type) 29 { 30 void __iomem **ptr, *addr = NULL; 31 32 ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); 33 if (!ptr) 34 return NULL; 35 36 switch (type) { 37 case DEVM_IOREMAP: 38 addr = ioremap(offset, size); 39 break; 40 case DEVM_IOREMAP_UC: 41 addr = ioremap_uc(offset, size); 42 break; 43 case DEVM_IOREMAP_WC: 44 addr = ioremap_wc(offset, size); 45 break; 46 case DEVM_IOREMAP_NP: 48 break; 49 } 50 51 if (addr) { 52 *ptr = addr; 53 devres_add(dev, ptr); 54 } else 55 devres_free(ptr); 56 57 return addr; 58 } 59 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org