Hi, kernel test robot noticed the following build errors: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on linus/master v6.13-rc6 next-20250110] [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/alexandre-belloni-bootlin-com/rtc-pcf2127-add-BSM-support/20250109-214654 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20250109134253.827796-1-alexandre.belloni%40bootlin.com patch subject: [PATCH] rtc: pcf2127: add BSM support config: hexagon-randconfig-002-20250111 (https://download.01.org/0day-ci/archive/20250111/202501110440.4RhjFZZA-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250111/202501110440.4RhjFZZA-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/202501110440.4RhjFZZA-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/rtc/rtc-pcf2127.c:20: 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:26: 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] 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] 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' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/rtc/rtc-pcf2127.c:20: 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:26: 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] 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' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/rtc/rtc-pcf2127.c:20: 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:26: 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] __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] __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] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> drivers/rtc/rtc-pcf2127.c:347:11: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] value = FIELD_GET(PCF2127_CTRL3_PM, value); ^ drivers/rtc/rtc-pcf2127.c:378:11: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] value = FIELD_GET(PCF2127_CTRL3_PM, value); ^ >> drivers/rtc/rtc-pcf2127.c:402:8: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] FIELD_PREP(PCF2127_CTRL3_PM, mode + value)); ^ 6 warnings and 3 errors generated. vim +/FIELD_GET +347 drivers/rtc/rtc-pcf2127.c 334 335 static int pcf2127_param_get(struct device *dev, struct rtc_param *param) 336 { 337 struct pcf2127 *pcf2127 = dev_get_drvdata(dev); 338 u32 value; 339 int ret; 340 341 switch (param->param) { 342 case RTC_PARAM_BACKUP_SWITCH_MODE: 343 ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL3, &value); 344 if (ret < 0) 345 return ret; 346 > 347 value = FIELD_GET(PCF2127_CTRL3_PM, value); 348 349 if (value < 0x3) 350 param->uvalue = RTC_BSM_LEVEL; 351 else if (value < 0x6) 352 param->uvalue = RTC_BSM_DIRECT; 353 else 354 param->uvalue = RTC_BSM_DISABLED; 355 356 break; 357 358 default: 359 return -EINVAL; 360 } 361 362 return 0; 363 } 364 365 static int pcf2127_param_set(struct device *dev, struct rtc_param *param) 366 { 367 struct pcf2127 *pcf2127 = dev_get_drvdata(dev); 368 u8 mode = 0; 369 u32 value; 370 int ret; 371 372 switch (param->param) { 373 case RTC_PARAM_BACKUP_SWITCH_MODE: 374 ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL3, &value); 375 if (ret < 0) 376 return ret; 377 378 value = FIELD_GET(PCF2127_CTRL3_PM, value); 379 380 if (value > 5) 381 value -= 5; 382 else if (value > 2) 383 value -= 3; 384 385 switch (param->uvalue) { 386 case RTC_BSM_LEVEL: 387 break; 388 case RTC_BSM_DIRECT: 389 mode = 3; 390 break; 391 case RTC_BSM_DISABLED: 392 if (value == 0) 393 value = 1; 394 mode = 5; 395 break; 396 default: 397 return -EINVAL; 398 } 399 400 return regmap_update_bits(pcf2127->regmap, PCF2127_REG_CTRL3, 401 PCF2127_CTRL3_PM, > 402 FIELD_PREP(PCF2127_CTRL3_PM, mode + value)); 403 404 break; 405 406 default: 407 return -EINVAL; 408 } 409 410 return 0; 411 } 412 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
