Re: [PATCH v6 2/8] mtd: rawnand: rockchip: NFC drivers for RK3308, RK2928 and others

kernel test robot
2020-06-09T10:03:56Z

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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@intel.com>

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@lists.01.org

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