Hi Yifeng, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rockchip/for-next] [also build test WARNING on robh/for-next linus/master v5.7] [cannot apply to next-20200608] [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/Yifeng-Zhao/Add-Rockchip-NFC-drivers-for-RK3308-and-others/20200609-155150 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from include/linux/mm.h:95, from include/linux/scatterlist.h:8, from include/linux/dma-mapping.h:11, from drivers/mtd/nand/raw/rockchip-nand-controller.c:10: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 96 | pte_t old_pte; | ^~~~~~~ arch/parisc/include/asm/pgtable.h:322:34: note: in expansion of macro 'set_pte_at' 322 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:202:2: note: in expansion of macro 'pte_clear' 202 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 96 | pte_t old_pte; | ^~~~~~~ include/asm-generic/pgtable.h:641:2: note: in expansion of macro 'set_pte_at' 641 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ drivers/mtd/nand/raw/rockchip-nand-controller.c: At top level: >> drivers/mtd/nand/raw/rockchip-nand-controller.c:1180:18: warning: initialized field overwritten [-Woverride-init] 1180 | .bch_st_off = 0x20, | ^~~~ drivers/mtd/nand/raw/rockchip-nand-controller.c:1180:18: note: (near initialization for 'nfc_v8_cfg.bch_st_off') vim +1180 drivers/mtd/nand/raw/rockchip-nand-controller.c 1166 1167 static struct nfc_cfg nfc_v8_cfg = { 1168 .type = NFC_V8, 1169 .ecc_strengths = {16, 16, 16, 16}, 1170 .ecc_cfgs = { 1171 0x00000001, 0x00000001, 0x00000001, 0x00000001, 1172 }, 1173 .flctl_off = 0x08, 1174 .bchctl_off = 0x0C, 1175 .dma_cfg_off = 0x10, 1176 .dma_data_buf_off = 0x14, 1177 .dma_oob_buf_off = 0x18, 1178 .dma_st_off = 0x1C, 1179 .bch_st_off = 0x20, > 1180 .bch_st_off = 0x20, 1181 .randmz_off = 0x150, 1182 .int_en_off = 0x16C, 1183 .int_clr_off = 0x170, 1184 .int_st_off = 0x174, 1185 .oob0_off = 0x200, 1186 .oob1_off = 0x230, 1187 .ecc0 = { 1188 .err_flag_bit = 2, 1189 .low = 3, 1190 .low_mask = 0x1F, 1191 .low_bn = 5, 1192 .high = 27, 1193 .high_mask = 0x1, 1194 }, 1195 .ecc1 = { 1196 .err_flag_bit = 15, 1197 .low = 16, 1198 .low_mask = 0x1F, 1199 .low_bn = 5, 1200 .high = 29, 1201 .high_mask = 0x1, 1202 }, 1203 }; 1204 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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