[android-common:android13-5.15-lts 2/2] include/linux/mtd/cfi.h:62:2: sparse: sparse: No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.

[android-common:android13-5.15-lts 2/2] include/linux/mtd/cfi.h:62:2: sparse: sparse: No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.

[kernel test robot]

:::::: 
:::::: Manual check reason: "low confidence static check first_new_problem: include/linux/mtd/cfi.h:62:2: sparse: sparse: No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work."
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: cros-kernel-buildreports@googlegroups.com

tree:   https://android.googlesource.com/kernel/common android13-5.15-lts
head:   28ca5d8b733ed5c4ea847e57cc94f90cfa929e94
commit: ccb03ec4294c0bab21252e69789c80cd766eec1e [2/2] spi: bcm-qspi: fix SFDP BFPT read by usig mspi read
:::::: branch date: 7 hours ago
:::::: commit date: 2 years, 8 months ago
config: arm-randconfig-r2300-20261025 (https://download.01.org/0day-ci/archive/20261025/202610251809.pyVaizvw-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project a808f8ea7fdc61ead417bfe55e8ef5f728776aeb)
sparse: v0.6.5-rc1-1-gc4640450
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261025/202610251809.pyVaizvw-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202610251809.pyVaizvw-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/spi/spi-bcm-qspi.c: note: in included file (through include/linux/mtd/spi-nor.h):
>> include/linux/mtd/cfi.h:62:2: sparse: sparse: No CONFIG_MTD_CFI_Ix selected. No NOR chip support can work.
   drivers/spi/spi-bcm-qspi.c:363:30: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [assigned] [usertype] data @@     got restricted __le32 [usertype] @@
   drivers/spi/spi-bcm-qspi.c:363:30: sparse:     expected unsigned int [assigned] [usertype] data
   drivers/spi/spi-bcm-qspi.c:363:30: sparse:     got restricted __le32 [usertype]
   drivers/spi/spi-bcm-qspi.c:327:24: sparse: sparse: cast to restricted __le32

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 <dwmw2@infradead.org>
:::::: CC: David Woodhouse <dwmw2@infradead.org>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki