Hi Andrei, kernel test robot noticed the following build errors: [auto build test ERROR on brgl/gpio/for-next] [also build test ERROR on driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus robh/for-next linus/master v6.11 next-20240927] [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/Andrei-Stefanescu/drivers-provide-devm_platform_get_and_ioremap_resource_byname/20240926-223448 base: https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git gpio/for-next patch link: https://lore.kernel.org/r/20240926143122.1385658-4-andrei.stefanescu%40oss.nxp.com patch subject: [PATCH v4 3/4] gpio: siul2-s32g2: add NXP S32G2/S32G3 SoCs support config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240928/202409281117.IOrJBXgL-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 7773243d9916f98ba0ffce0c3a960e4aa9f03e81) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240928/202409281117.IOrJBXgL-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/202409281117.IOrJBXgL-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from drivers/gpio/gpio-siul2-s32g2.c:11: 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/gpio/gpio-siul2-s32g2.c:11: 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/gpio/gpio-siul2-s32g2.c:11: 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); | ~~~~~~~~~~ ^ >> drivers/gpio/gpio-siul2-s32g2.c:296:32: warning: comparison of distinct pointer types ('typeof ((size)) *' (aka 'unsigned int *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types] 296 | conf->num_reg_defaults_raw = do_div(size, conf->reg_stride); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:222:28: note: expanded from macro 'do_div' 222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ >> drivers/gpio/gpio-siul2-s32g2.c:296:32: error: incompatible pointer types passing 'resource_size_t *' (aka 'unsigned int *') to parameter of type 'uint64_t *' (aka 'unsigned long long *') [-Werror,-Wincompatible-pointer-types] 296 | conf->num_reg_defaults_raw = do_div(size, conf->reg_stride); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:238:22: note: expanded from macro 'do_div' 238 | __rem = __div64_32(&(n), __base); \ | ^~~~ include/asm-generic/div64.h:213:38: note: passing argument to parameter 'dividend' here 213 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); | ^ >> drivers/gpio/gpio-siul2-s32g2.c:296:32: warning: shift count >= width of type [-Wshift-count-overflow] 296 | conf->num_reg_defaults_raw = do_div(size, conf->reg_stride); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:234:25: note: expanded from macro 'do_div' 234 | } else if (likely(((n) >> 32) == 0)) { \ | ^ ~~ include/linux/compiler.h:76:40: note: expanded from macro 'likely' 76 | # define likely(x) __builtin_expect(!!(x), 1) | ^ 8 warnings and 1 error generated. vim +296 drivers/gpio/gpio-siul2-s32g2.c 273 274 static struct regmap *common_regmap_init(struct platform_device *pdev, 275 struct regmap_config *conf, 276 const char *name) 277 { 278 struct device *dev = &pdev->dev; 279 struct resource *res; 280 resource_size_t size; 281 void __iomem *base; 282 283 base = devm_platform_get_and_ioremap_resource_byname(pdev, name, &res); 284 if (IS_ERR(base)) { 285 dev_err(&pdev->dev, "Failed to get MEM resource: %s\n", name); 286 return ERR_PTR(-EINVAL); 287 } 288 289 size = resource_size(res); 290 conf->val_bits = conf->reg_stride * 8; 291 conf->max_register = size - conf->reg_stride; 292 conf->name = name; 293 conf->use_raw_spinlock = true; 294 295 if (conf->cache_type != REGCACHE_NONE) > 296 conf->num_reg_defaults_raw = do_div(size, conf->reg_stride); 297 298 return devm_regmap_init_mmio(dev, base, conf); 299 } 300 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
