[xlnx:xlnx_rebase_v5.4 842/1755] drivers/spi/spi-mem.c:18:6: warning: no previous prototype for 'update_stripe'

[xlnx:xlnx_rebase_v5.4 842/1755] drivers/spi/spi-mem.c:18:6: warning: no previous prototype for 'update_stripe'

[kernel test robot]

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Hi Amit,

FYI, the error/warning still remains.

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   77883b257c27f47445381c70c9236ade8f87eeaa
commit: 3780469dd372e934445de2fbb5e8cf6e712b9b99 [842/1755] spi: Add Zynq QSPI controller driver
config: i386-randconfig-r006-20210428 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/Xilinx/linux-xlnx/commit/3780469dd372e934445de2fbb5e8cf6e712b9b99
        git remote add xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xlnx xlnx_rebase_v5.4
        git checkout 3780469dd372e934445de2fbb5e8cf6e712b9b99
        # save the attached .config to linux build tree
        make W=1 W=1 ARCH=i386 

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 >>):

>> drivers/spi/spi-mem.c:18:6: warning: no previous prototype for 'update_stripe' [-Wmissing-prototypes]
      18 | bool update_stripe(const u8 opcode)
         |      ^~~~~~~~~~~~~


vim +/update_stripe +18 drivers/spi/spi-mem.c

    17	
  > 18	bool update_stripe(const u8 opcode)
    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

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