Hi Sudan, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.8 next-20240320] [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/Sudan-Landge/virt-vmgenid-rearrange-code-to-make-review-easier/20240319-223642 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20240319143253.22317-5-sudanl%40amazon.com patch subject: [PATCH v1 4/4] virt: vmgenid: add support for devicetree bindings config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240320/202403201544.8xvAuo13-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240320/202403201544.8xvAuo13-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/202403201544.8xvAuo13-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/virt/vmgenid.c: In function 'vmgenid_add_acpi': drivers/virt/vmgenid.c:79:45: error: invalid use of undefined type 'struct acpi_device' 79 | status = acpi_evaluate_object(device->handle, "ADDR", NULL, &parsed); | ^~ drivers/virt/vmgenid.c:96:56: error: invalid use of undefined type 'struct acpi_device' 96 | devm_memremap(&device->dev, phys_addr, VMGENID_SIZE, MEMREMAP_WB) | ^~ drivers/virt/vmgenid.c:102:52: error: invalid use of undefined type 'struct acpi_device' 102 | status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, | ^~ drivers/virt/vmgenid.c: At top level: >> drivers/virt/vmgenid.c:196:36: warning: 'vmgenid_acpi_ids' defined but not used [-Wunused-const-variable=] 196 | static const struct acpi_device_id vmgenid_acpi_ids[] = { | ^~~~~~~~~~~~~~~~ vim +/vmgenid_acpi_ids +196 drivers/virt/vmgenid.c 195 > 196 static const struct acpi_device_id vmgenid_acpi_ids[] = { 197 { "VMGENCTR", 0 }, 198 { "VM_GEN_COUNTER", 0 }, 199 { } 200 }; 201 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
