[kbuild-all] [xilinx-xlnx:xlnx_rebase_v5.4 842/1768] drivers/spi/spi-mem.c:18:6: sparse: sparse: symbol 'update_stripe' was not declared. Should it be static?

tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: abafefebd1f1e040eef74e4ab571ea08bf745641 commit: 3780469dd372e934445de2fbb5e8cf6e712b9b99 [842/1768] spi: Add Zynq QSPI controller driver config: i386-randconfig-s002-20211216 (https://download.01.org/0day-ci/archive/20211218/202112180027.pfNQ2O7x-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/Xilinx/linux-xlnx/commit/3780469dd372e934445de2fbb5e8c... git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.4 git checkout 3780469dd372e934445de2fbb5e8cf6e712b9b99 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpio/ drivers/spi/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/spi/spi-mem.c: note: in included file (through include/linux/mtd/spi-nor.h): vim +/update_stripe +18 drivers/spi/spi-mem.c 17 19 { 20 if (opcode == SPINOR_OP_BE_4K || 21 opcode == SPINOR_OP_BE_32K || 22 opcode == SPINOR_OP_CHIP_ERASE || 23 opcode == SPINOR_OP_SE || 24 opcode == SPINOR_OP_BE_32K_4B || 25 opcode == SPINOR_OP_SE_4B || 26 opcode == SPINOR_OP_BE_4K_4B || 27 opcode == SPINOR_OP_WRSR || 28 opcode == SPINOR_OP_WREAR || 29 opcode == SPINOR_OP_BRWR || 30 opcode == SPINOR_OP_WRSR2) 31 return false; 32 33 return true; 34 } 35 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org