tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-playground head: 4e5fc259a7d202d7e13818052a6cdaff0f602b35 commit: 4e87220ea3c48bcb3aeadc4000acf9bcc7aa7522 [3/12] hwmon: (pmbus) Implement multi-phase support config: arc-randconfig-a001-20200202 (attached as .config) compiler: arc-elf-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 4e87220ea3c48bcb3aeadc4000acf9bcc7aa7522 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_clear_faults': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_read_byte_data': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_write_byte': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_write_word_data': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_write_byte_data': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_update_byte_data': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_update_fan': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_read_status_byte': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_debugfs_get': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ drivers/hwmon//pmbus/pmbus_core.c: In function '_pmbus_read_byte_data': >> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds] 175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { | ~~~~~~~~~~~~~~~~~^~~~~~~ vim +175 drivers/hwmon//pmbus/pmbus_core.c 150 151 int pmbus_set_page(struct i2c_client *client, int page, int phase) 152 { 153 struct pmbus_data *data = i2c_get_clientdata(client); 154 int rv; 155 156 if (page < 0) 157 return 0; 158 159 if (!(data->info->func[page] & PMBUS_PAGE_VIRTUAL) && 160 data->info->pages > 1 && page != data->currpage) { 161 rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page); 162 if (rv < 0) 163 return rv; 164 165 rv = i2c_smbus_read_byte_data(client, PMBUS_PAGE); 166 if (rv < 0) 167 return rv; 168 169 if (rv != page) 170 return -EIO; 171 } 172 data->currpage = page; 173 174 if (data->info->phases && data->currphase != phase && > 175 !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) { 176 rv = i2c_smbus_write_byte_data(client, PMBUS_PHASE, 177 phase); 178 if (rv) 179 return rv; 180 } 181 data->currphase = phase; 182 183 return 0; 184 } 185 EXPORT_SYMBOL_GPL(pmbus_set_page); 186 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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