Subject: [xilinx-xlnx:master 248/326] include/linux/mtd/cfi.h:62:2: warning: No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.

From: kernel test robot <[email-masked]>
Date: Fri, 14 Jan 2022 22:38:58 +0800

tree:   https://github.com/Xilinx/linux-xlnx master
head:   6a698dbaaf0e6caa053476c2f661b36885a0ce30
commit: 9b62852ec04b7d48971ce8016b13c27403929908 [248/326] Merge tag 'v5.15' into master
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220114/[email-masked]/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 82c8aca93488730ce8f66101e0f3538f14b551dd)
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
        # https://github.com/Xilinx/linux-xlnx/commit/9b62852ec04b7d48971ce8016b13c27403929908
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx master
        git checkout 9b62852ec04b7d48971ce8016b13c27403929908
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/spi/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email-masked]>

All warnings (new ones prefixed by >>):

   In file included from drivers/spi/spi-zynqmp-gqspi.c:26:
   In file included from include/linux/mtd/spi-nor.h:10:
>> include/linux/mtd/cfi.h:62:2: warning: No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work. [-W#warnings]
   #warning No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.
    ^
   In file included from drivers/spi/spi-zynqmp-gqspi.c:13:
   include/linux/firmware/xlnx-zynqmp.h:1182:12: warning: unused function 'zynqmp_pm_sec_read_reg' [-Wunused-function]
   static int zynqmp_pm_sec_read_reg(u32 node_id, u32 offset, u32 *ret_value)
              ^
   include/linux/firmware/xlnx-zynqmp.h:1187:12: warning: unused function 'zynqmp_pm_sec_mask_write_reg' [-Wunused-function]
   static int zynqmp_pm_sec_mask_write_reg(const u32 node_id, const u32 offset,
              ^
   3 warnings generated.

vim +62 include/linux/mtd/cfi.h

^1da177e4c3f41 Linus Torvalds  2005-04-16  60  
241651d04d672f David Woodhouse 2007-09-06  61  #ifndef cfi_interleave
241651d04d672f David Woodhouse 2007-09-06 @62  #warning No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.
241651d04d672f David Woodhouse 2007-09-06  63  static inline int cfi_interleave(void *cfi)
241651d04d672f David Woodhouse 2007-09-06  64  {
241651d04d672f David Woodhouse 2007-09-06  65  	BUG();
241651d04d672f David Woodhouse 2007-09-06  66  	return 0;
241651d04d672f David Woodhouse 2007-09-06  67  }
241651d04d672f David Woodhouse 2007-09-06  68  #endif
241651d04d672f David Woodhouse 2007-09-06  69  

:::::: The code at line 62 was first introduced by commit
:::::: 241651d04d672fb685b2874707016cbbf95931e5 [MTD] Fix CFI build error when no map width or interleave supported

:::::: TO: David Woodhouse <[email-masked]>
:::::: CC: David Woodhouse <[email-masked]>

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