Hi Jonathan,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20221104]
[cannot apply to broonie-spi/for-next linusw-pinctrl/devel robh/for-next v6.1-rc3 v6.1-rc2 v6.1-rc1 linus/master v6.1-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jonathan-Neusch-fer/Nuvoton-WPCM450-FIU-SPI-flash-controller/20221106-030021
patch link:    https://lore.kernel.org/r/20221105185911.1547847-9-j.neuschaefer%40gmx.net
patch subject: [PATCH 8/8] spi: wpcm-fiu: Add direct map support
config: alpha-allyesconfig
compiler: alpha-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/8f83cce55d2b39c9b8934c262a8d01eeebfc5ccc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jonathan-Neusch-fer/Nuvoton-WPCM450-FIU-SPI-flash-controller/20221106-030021
        git checkout 8f83cce55d2b39c9b8934c262a8d01eeebfc5ccc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/spi/spi-wpcm-fiu.c:424:24: error: initialization of 'ssize_t (*)(struct spi_mem_dirmap_desc *, u64,  size_t,  void *)' {aka 'long int (*)(struct spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,  void *)'} from incompatible pointer type 'int (*)(struct spi_mem_dirmap_desc *, u64,  size_t,  void *)' {aka 'int (*)(struct spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,  void *)'} [-Werror=incompatible-pointer-types]
     424 |         .dirmap_read = wpcm_fiu_direct_read,
         |                        ^~~~~~~~~~~~~~~~~~~~
   drivers/spi/spi-wpcm-fiu.c:424:24: note: (near initialization for 'wpcm_fiu_mem_ops.dirmap_read')
   cc1: some warnings being treated as errors


vim +424 drivers/spi/spi-wpcm-fiu.c

   418	
   419	static const struct spi_controller_mem_ops wpcm_fiu_mem_ops = {
   420		.adjust_op_size = wpcm_fiu_adjust_op_size,
   421		.supports_op = wpcm_fiu_supports_op,
   422		.exec_op = wpcm_fiu_exec_op,
   423		.dirmap_create = wpcm_fiu_dirmap_create,
 > 424		.dirmap_read = wpcm_fiu_direct_read,
   425	};
   426	

-- 
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