Hi Tony, kernel test robot noticed the following build warnings: [auto build test WARNING on tiwai-sound/for-next] [also build test WARNING on next-20230809] [cannot apply to tiwai-sound/for-linus linus/master v6.5-rc6] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Tony-W-Wang-oc/ALSA-hda-Zhaoxin-Add-HDAC-PCI-IDs-and-HDMI-Codec-Vendor-IDs/20230731-140118 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next patch link: https://lore.kernel.org/r/20230731055932.4336-1-TonyWWang-oc%40zhaoxin.com patch subject: [PATCH] ALSA: hda: Zhaoxin: Add HDAC PCI IDs and HDMI Codec Vendor IDs config: mips-randconfig-r073-20230814 (https://download.01.org/0day-ci/archive/20230814/202308140952.khPgynBT-lkp@xxxxxxxxx/config) compiler: mips64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230814/202308140952.khPgynBT-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/202308140952.khPgynBT-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) sound/pci/hda/hda_controller.c:1051:38: sparse: sparse: cast removes address space '__iomem' of expression >> sound/pci/hda/hda_controller.c:1051:66: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *mem @@ got char * @@ sound/pci/hda/hda_controller.c:1051:66: sparse: expected void volatile [noderef] __iomem *mem sound/pci/hda/hda_controller.c:1051:66: sparse: got char * sound/pci/hda/hda_controller.c:1053:44: sparse: sparse: cast removes address space '__iomem' of expression sound/pci/hda/hda_controller.c:1053:72: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *mem @@ got char * @@ sound/pci/hda/hda_controller.c:1053:72: sparse: expected void volatile [noderef] __iomem *mem sound/pci/hda/hda_controller.c:1053:72: sparse: got char * vim +1051 sound/pci/hda/hda_controller.c 1046 1047 static void azx_rirb_zxdelay(struct azx *chip, int enable) 1048 { 1049 if (chip->remap_diu_addr) { 1050 if (!enable) > 1051 writel(0x0, (char *)chip->remap_diu_addr + 0x490a8); 1052 else 1053 writel(0x1000000, (char *)chip->remap_diu_addr + 0x490a8); 1054 } 1055 } 1056 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki