Hi Xiaofei, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pm/linux-next] [also build test WARNING on v5.12-rc4 next-20210326] [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] url: https://github.com/0day-ci/linux/commits/Xiaofei-Tan/acpi-fix-some-coding-style-issues/20210327-144714 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: x86_64-randconfig-a005-20210326 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d50fe9f0d6b9ee61df8830a67ea0a33c27a637e7) 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://github.com/0day-ci/linux/commit/31b45f08e2017005a1da942954093a6f09be7269 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xiaofei-Tan/acpi-fix-some-coding-style-issues/20210327-144714 git checkout 31b45f08e2017005a1da942954093a6f09be7269 # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/acpi/acpi_lpss.c:190:26: warning: incompatible pointer to integer conversion passing 'void *' to parameter of type 'unsigned int' [-Wint-conversion] uid = kstrtol(uid_str, NULL, 10); ^~~~ include/linux/stddef.h:8:14: note: expanded from macro 'NULL' #define NULL ((void *)0) ^~~~~~~~~~~ include/linux/kernel.h:246:68: note: passing argument to parameter 'base' here static inline int __must_check kstrtol(const char *s, unsigned int base, long *res) ^ >> drivers/acpi/acpi_lpss.c:190:32: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'long *' [-Wint-conversion] uid = kstrtol(uid_str, NULL, 10); ^~ include/linux/kernel.h:246:80: note: passing argument to parameter 'res' here static inline int __must_check kstrtol(const char *s, unsigned int base, long *res) ^ 2 warnings generated. vim +190 drivers/acpi/acpi_lpss.c 179 180 static void byt_i2c_setup(struct lpss_private_data *pdata) 181 { 182 const char *uid_str = acpi_device_uid(pdata->adev); 183 acpi_handle handle = pdata->adev->handle; 184 unsigned long long shared_host = 0; 185 acpi_status status; 186 long uid = 0; 187 188 /* Expected to always be true, but better safe then sorry */ 189 if (uid_str) > 190 uid = kstrtol(uid_str, NULL, 10); 191 192 /* Detect I2C bus shared with PUNIT and ignore its d3 status */ 193 status = acpi_evaluate_integer(handle, "_SEM", NULL, &shared_host); 194 if (ACPI_SUCCESS(status) && shared_host && uid) 195 pmc_atom_d3_mask &= ~(BIT_LPSS2_F1_I2C1 << (uid - 1)); 196 197 lpss_deassert_reset(pdata); 198 199 if (readl(pdata->mmio_base + pdata->dev_desc->prv_offset)) 200 pdata->fixed_clk_rate = 133000000; 201 202 writel(0, pdata->mmio_base + LPSS_I2C_ENABLE); 203 } 204 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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