tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge head: 7604cba9f860bcae8fd95c907ffee8ebeab73bef commit: f06e8901662d5c5c80f47d1cef6207688ee42e81 [102/108] ACPI: PRM: implement OperationRegion handler for the PlatformRtMechanism subtype config: x86_64-randconfig-b001-20210608 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commi... git remote add pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch --no-tags pm bleeding-edge git checkout f06e8901662d5c5c80f47d1cef6207688ee42e81 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>): In file included from drivers/hwmon/acpi_power_meter.c:20: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ 1 error generated. -- In file included from drivers/hwmon/ads7828.c:18: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/ads7828.c:142:10: warning: cast to smaller integer type 'enum ads7828_chips' from 'const void *' [-Wvoid-pointer-to-enum-cast] chip = (enum ads7828_chips) ^~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/hwmon/lm63.c:31: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/lm63.c:1108:16: warning: cast to smaller integer type 'enum chips' from 'const void *' [-Wvoid-pointer-to-enum-cast] data->kind = (enum chips)of_device_get_match_data(&client->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/hwmon/ad7418.c:14: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/ad7418.c:256:16: warning: cast to smaller integer type 'enum chips' from 'const void *' [-Wvoid-pointer-to-enum-cast] data->type = (enum chips)of_device_get_match_data(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/hwmon/lm75.c:12: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/lm75.c:565:10: warning: cast to smaller integer type 'enum lm75_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] kind = (enum lm75_type)of_device_get_match_data(&client->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/hwmon/max6697.c:13: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/max6697.c:706:16: warning: cast to smaller integer type 'enum chips' from 'const void *' [-Wvoid-pointer-to-enum-cast] data->type = (enum chips)of_device_get_match_data(&client->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/hwmon/tmp513.c:24: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/tmp513.c:724:14: warning: cast to smaller integer type 'enum tmp51x_ids' from 'const void *' [-Wvoid-pointer-to-enum-cast] data->id = (enum tmp51x_ids)device_get_match_data(&client->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/hwmon/pmbus/ibm-cffps.c:11: In file included from include/linux/i2c.h:13: struct acpi_prmt_module_header prmt; ^ include/linux/acpi.h:135:9: note: forward declaration of 'struct acpi_prmt_module_header' struct acpi_prmt_module_header prmt; ^ drivers/hwmon/pmbus/ibm-cffps.c:489:8: warning: cast to smaller integer type 'enum versions' from 'const void *' [-Wvoid-pointer-to-enum-cast] vs = (enum versions)md; ^~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +135 include/linux/acpi.h 129 130 131 /* Table Handlers */ 132 union acpi_subtable_headers { 133 struct acpi_subtable_header common; 134 struct acpi_hmat_structure hmat; 136 }; 137 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org