Hi Tuowen, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [cannot apply to v5.4-rc3 next-20191014] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Tuowen-Zhao/lib-devres-add-a-helper-function-for-ioremap_uc/20191015-000416 config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <[email protected]> All error/warnings (new ones prefixed by >>): lib/devres.c: In function '__devm_ioremap': >> lib/devres.c:44:10: error: implicit declaration of function 'ioremap_uc'; >> did you mean 'ioremap_wc'? [-Werror=implicit-function-declaration] addr = ioremap_uc(offset, size); ^~~~~~~~~~ ioremap_wc >> lib/devres.c:44:8: warning: assignment makes pointer from integer without a >> cast [-Wint-conversion] addr = ioremap_uc(offset, size); ^ cc1: some warnings being treated as errors vim +44 lib/devres.c 25 26 static void __iomem *__devm_ioremap(struct device *dev, resource_size_t offset, 27 resource_size_t size, 28 enum devm_ioremap_type type) 29 { 30 void __iomem **ptr, *addr = NULL; 31 32 ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); 33 if (!ptr) 34 return NULL; 35 36 switch (type) { 37 case DEVM_IOREMAP: 38 addr = ioremap(offset, size); 39 break; 40 case DEVM_IOREMAP_NC: 41 addr = ioremap_nocache(offset, size); 42 break; 43 case DEVM_IOREMAP_UC: > 44 addr = ioremap_uc(offset, size); 45 break; 46 case DEVM_IOREMAP_WC: 47 addr = ioremap_wc(offset, size); 48 break; 49 } 50 51 if (addr) { 52 *ptr = addr; 53 devres_add(dev, ptr); 54 } else 55 devres_free(ptr); 56 57 return addr; 58 } 59 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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