On Tue, Sep 10, 2024 at 06:13:04AM GMT, kernel test robot wrote: > Hi Alex, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on jic23-iio/togreg] > [also build test ERROR on robh/for-next linus/master v6.11-rc7 next-20240909] > [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/Alex-Lanzano/dt-bindings-iio-imu-add-bmi270-bindings/20240909-123509 > base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg > patch link: https://lore.kernel.org/r/20240909043254.611589-3-lanzano.alex%40gmail.com > patch subject: [PATCH v3 2/2] iio: imu: Add i2c driver for bmi270 imu > config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240910/202409100526.LydCADNj-lkp@xxxxxxxxx/config) > compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 05f5a91d00b02f4369f46d076411c700755ae041) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240910/202409100526.LydCADNj-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/202409100526.LydCADNj-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > In file included from drivers/iio/imu/bmi270/bmi270_core.c:4: > In file included from include/linux/i2c.h:19: > In file included from include/linux/regulator/consumer.h:35: > In file included from include/linux/suspend.h:5: > In file included from include/linux/swap.h:9: > In file included from include/linux/memcontrol.h:13: > In file included from include/linux/cgroup.h:25: > In file included from include/linux/kernel_stat.h:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:11: > In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: > In file included from include/asm-generic/hardirq.h:17: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:14: > In file included from arch/hexagon/include/asm/io.h:328: > include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > 548 | val = __raw_readb(PCI_IOBASE + addr); > | ~~~~~~~~~~ ^ > include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); > | ~~~~~~~~~~ ^ > include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' > 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) > | ^ > In file included from drivers/iio/imu/bmi270/bmi270_core.c:4: > In file included from include/linux/i2c.h:19: > In file included from include/linux/regulator/consumer.h:35: > In file included from include/linux/suspend.h:5: > In file included from include/linux/swap.h:9: > In file included from include/linux/memcontrol.h:13: > In file included from include/linux/cgroup.h:25: > In file included from include/linux/kernel_stat.h:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:11: > In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: > In file included from include/asm-generic/hardirq.h:17: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:14: > In file included from arch/hexagon/include/asm/io.h:328: > include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); > | ~~~~~~~~~~ ^ > include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' > 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) > | ^ > In file included from drivers/iio/imu/bmi270/bmi270_core.c:4: > In file included from include/linux/i2c.h:19: > In file included from include/linux/regulator/consumer.h:35: > In file included from include/linux/suspend.h:5: > In file included from include/linux/swap.h:9: > In file included from include/linux/memcontrol.h:13: > In file included from include/linux/cgroup.h:25: > In file included from include/linux/kernel_stat.h:8: > In file included from include/linux/interrupt.h:11: > In file included from include/linux/hardirq.h:11: > In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: > In file included from include/asm-generic/hardirq.h:17: > In file included from include/linux/irq.h:20: > In file included from include/linux/io.h:14: > In file included from arch/hexagon/include/asm/io.h:328: > include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > 585 | __raw_writeb(value, PCI_IOBASE + addr); > | ~~~~~~~~~~ ^ > include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); > | ~~~~~~~~~~ ^ > include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] > 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); > | ~~~~~~~~~~ ^ > In file included from drivers/iio/imu/bmi270/bmi270_core.c:4: > In file included from include/linux/i2c.h:19: > In file included from include/linux/regulator/consumer.h:35: > In file included from include/linux/suspend.h:5: > In file included from include/linux/swap.h:9: > In file included from include/linux/memcontrol.h:21: > In file included from include/linux/mm.h:2228: > include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" > | ~~~~~~~~~~~ ^ ~~~ > >> drivers/iio/imu/bmi270/bmi270_core.c:180:10: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 180 | FIELD_PREP(BMI270_ACC_CONF_ODR_MSK, > | ^ > 7 warnings and 1 error generated. > > > vim +/FIELD_PREP +180 drivers/iio/imu/bmi270/bmi270_core.c > > 165 > 166 static int bmi270_configure_imu(struct bmi270_data *bmi270_device) > 167 { > 168 int ret; > 169 struct device *dev = bmi270_device->dev; > 170 struct regmap *regmap = bmi270_device->regmap; > 171 > 172 ret = regmap_set_bits(regmap, BMI270_PWR_CTRL_REG, > 173 BMI270_PWR_CTRL_AUX_EN_MSK | > 174 BMI270_PWR_CTRL_GYR_EN_MSK | > 175 BMI270_PWR_CTRL_ACCEL_EN_MSK); > 176 if (ret) > 177 return dev_err_probe(dev, ret, "Failed to enable accelerometer and gyroscope"); > 178 > 179 ret = regmap_set_bits(regmap, BMI270_ACC_CONF_REG, > > 180 FIELD_PREP(BMI270_ACC_CONF_ODR_MSK, > 181 BMI270_ACC_CONF_ODR_100HZ) | > 182 FIELD_PREP(BMI270_ACC_CONF_BWP_MSK, > 183 BMI270_ACC_CONF_BWP_NORMAL_MODE) | > 184 BMI270_PWR_CONF_ADV_PWR_SAVE_MSK); > 185 if (ret) > 186 return dev_err_probe(dev, ret, "Failed to configure accelerometer"); > 187 > 188 ret = regmap_set_bits(regmap, BMI270_GYR_CONF_REG, > 189 FIELD_PREP(BMI270_GYR_CONF_ODR_MSK, > 190 BMI270_GYR_CONF_ODR_200HZ) | > 191 FIELD_PREP(BMI270_GYR_CONF_BWP_MSK, > 192 BMI270_GYR_CONF_BWP_NORMAL_MODE) | > 193 BMI270_PWR_CONF_ADV_PWR_SAVE_MSK); > 194 if (ret) > 195 return dev_err_probe(dev, ret, "Failed to configure gyroscope"); > 196 > 197 /* Enable FIFO_WKUP, Disable ADV_PWR_SAVE and FUP_EN */ > 198 ret = regmap_write(regmap, BMI270_PWR_CONF_REG, > 199 BMI270_PWR_CONF_FIFO_WKUP_MSK); > 200 if (ret) > 201 return dev_err_probe(dev, ret, "Failed to set power configuration"); > 202 > 203 return 0; > 204 } > 205 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki I am having trouble reproducing this build error on both jic23-iio/togreg and linus/master v6.11.rc7 on an aarch64 box with the same compiler version. Maybe a config option is causing this? However, I will add #include <linux/bitfield.h> to remedy this issue if some edge case is being hit. Best regards, Alex