Hi Tony, I love your patch! Yet something to improve: [auto build test ERROR on next-20211011] [cannot apply to robh/for-next linus/master ulf-hansson-mmc-mirror/next v5.15-rc5 v5.15-rc4 v5.15-rc3 v5.15-rc5] [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/Tony-Lindgren/More-SoCs-for-sdhc... base: d3134eb5de8546a214c028fb7195e764b89da7d4 config: riscv-randconfig-r042-20211012 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/66e8ed22a31746643373772ef2fca668c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tony-Lindgren/More-SoCs-for-sdhci-omap-to-deprecate-omap_hsmmc/20211012-183855 git checkout 66e8ed22a31746643373772ef2fca668ca7d1a8f # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/mmc/host/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/mmc/host/sdhci-omap.c:948:10: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion] return ~0UL; ~~~~~~ ^~~~ drivers/mmc/host/sdhci-omap.c:975:29: warning: result of comparison of constant 18446744073709551615 with expression of type 'unsigned int' is always false [-Wtautological-constant-out-of-range-compare] if (pbias != ~0UL && vqmmc == ~0UL) ~~~~~ ^ ~~~~ drivers/mmc/host/sdhci-omap.c:975:12: warning: result of comparison of constant 18446744073709551615 with expression of type 'unsigned int' is always true [-Wtautological-constant-out-of-range-compare] if (pbias != ~0UL && vqmmc == ~0UL) ~~~~~ ^ ~~~~ drivers/mmc/host/sdhci-omap.c:977:16: warning: result of comparison of constant 18446744073709551615 with expression of type 'unsigned int' is always false [-Wtautological-constant-out-of-range-compare] else if (caps == ~0UL) ~~~~ ^ ~~~~ drivers/mmc/host/sdhci-omap.c:984:12: warning: result of comparison of constant 18446744073709551615 with expression of type 'unsigned int' is always true [-Wtautological-constant-out-of-range-compare] if (pbias != ~0UL && (pbias & SDHCI_CAN_VDD_330) && ~~~~~ ^ ~~~~ SET_RUNTIME_PM_OPS(sdhci_omap_runtime_suspend, ^~~~~~~~~~~~~~~~~~~~~~~~~~ __pm_runtime_suspend include/linux/pm.h:341:21: note: expanded from macro 'SET_RUNTIME_PM_OPS' .runtime_suspend = suspend_fn, \ ^ include/linux/pm_runtime.h:39:12: note: '__pm_runtime_suspend' declared here extern int __pm_runtime_suspend(struct device *dev, int rpmflags); ^ sdhci_omap_runtime_resume, NULL) ^~~~~~~~~~~~~~~~~~~~~~~~~ __pm_runtime_resume include/linux/pm.h:342:20: note: expanded from macro 'SET_RUNTIME_PM_OPS' .runtime_resume = resume_fn, \ ^ include/linux/pm_runtime.h:40:12: note: '__pm_runtime_resume' declared here extern int __pm_runtime_resume(struct device *dev, int rpmflags); ^ SET_RUNTIME_PM_OPS(sdhci_omap_runtime_suspend, ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/pm.h:341:21: note: expanded from macro 'SET_RUNTIME_PM_OPS' .runtime_suspend = suspend_fn, \ ^~~~~~~~~~ drivers/mmc/host/sdhci-omap.c:1486:7: error: incompatible function pointer types initializing 'int (*)(struct device *)' with an expression of type 'int (struct device *, int)' [-Werror,-Wincompatible-function-pointer-types] sdhci_omap_runtime_resume, NULL) ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/pm.h:342:20: note: expanded from macro 'SET_RUNTIME_PM_OPS' .runtime_resume = resume_fn, \ ^~~~~~~~~ 5 warnings and 4 errors generated. vim +1485 drivers/mmc/host/sdhci-omap.c 1483 1484 static const struct dev_pm_ops sdhci_omap_dev_pm_ops = { 1487 SET_SYSTEM_SLEEP_PM_OPS(sdhci_omap_suspend, sdhci_omap_resume) 1488 }; 1489 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org