Hi Sven, I love your patch! Perhaps something to improve: [auto build test WARNING on soc/for-next] [also build test WARNING on linus/master v5.17-rc6] [cannot apply to robh/for-next next-20220303] [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/Sven-Peter/dt-bindings-nvmem-Add-apple-efuses/20220227-195847 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: ia64-randconfig-s031-20220302 (https://download.01.org/0day-ci/archive/20220303/202203032219.gDn8cX7m-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/e47f957c24fcbc9f99a972b1b7c802eec04ed40a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sven-Peter/dt-bindings-nvmem-Add-apple-efuses/20220227-195847 git checkout e47f957c24fcbc9f99a972b1b7c802eec04ed40a # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/nvmem/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/nvmem/apple-efuses.c:17:31: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __iomem *fuses @@ got void *context @@ drivers/nvmem/apple-efuses.c:17:31: sparse: expected void [noderef] __iomem *fuses drivers/nvmem/apple-efuses.c:17:31: sparse: got void *context >> drivers/nvmem/apple-efuses.c:42:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *priv @@ got void [noderef] __iomem * @@ drivers/nvmem/apple-efuses.c:42:21: sparse: expected void *priv drivers/nvmem/apple-efuses.c:42:21: sparse: got void [noderef] __iomem * drivers/nvmem/apple-efuses.c: note: in included file (through arch/ia64/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:267:16: sparse: sparse: cast to restricted __le32 vim +17 drivers/nvmem/apple-efuses.c 13 14 static int apple_efuses_read(void *context, unsigned int offset, void *val, 15 size_t bytes) 16 { > 17 void __iomem *fuses = context; 18 u32 *dst = val; 19 20 while (bytes >= sizeof(u32)) { 21 *dst++ = readl_relaxed(fuses + offset); 22 bytes -= sizeof(u32); 23 offset += sizeof(u32); 24 } 25 26 return 0; 27 } 28 29 static int apple_efuses_probe(struct platform_device *pdev) 30 { 31 struct resource *res; 32 struct nvmem_config config = { 33 .dev = &pdev->dev, 34 .read_only = true, 35 .reg_read = apple_efuses_read, 36 .stride = sizeof(u32), 37 .word_size = sizeof(u32), 38 .name = "apple_efuses_nvmem", 39 .id = NVMEM_DEVID_AUTO, 40 }; 41 > 42 config.priv = devm_platform_get_and_ioremap_resource(pdev, 0, &res); 43 if (IS_ERR(config.priv)) 44 return PTR_ERR(config.priv); 45 46 config.size = resource_size(res); 47 48 return PTR_ERR_OR_ZERO(devm_nvmem_register(config.dev, &config)); 49 } 50 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx