Hi Alaa,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v5.11-rc7 next-20210211]
[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]

url:    https://github.com/0day-ci/linux/commits/Alaa-Emad/Fix-space-prohibited-issue-in-fbtft-bus-c/20210212-230034
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git a2ea4e1d9091cd8bc69f1c42c15bedc38618f04c
config: microblaze-randconfig-r021-20210212 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/c8ebfad6d337cc402230562da12297149f4c2879
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Alaa-Emad/Fix-space-prohibited-issue-in-fbtft-bus-c/20210212-230034
        git checkout c8ebfad6d337cc402230562da12297149f4c2879
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

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

All errors (new ones prefixed by >>):

>> drivers/staging/fbtft/fbtft-bus.c:65:53: error: macro "define_fbtft_write_reg" requires 4 arguments, but only 3 given
      65 | define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
         |                                                     ^
   drivers/staging/fbtft/fbtft-bus.c:14: note: macro "define_fbtft_write_reg" defined here
      14 | #define define_fbtft_write_reg(func, buffer_type, data_type, modifier)        \
         | 
>> drivers/staging/fbtft/fbtft-bus.c:65:23: error: expected ';' before 'void'
      65 | define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
         |                       ^
         |                       ;
   drivers/staging/fbtft/fbtft-bus.c:67:57: error: macro "define_fbtft_write_reg" requires 4 arguments, but only 3 given
      67 | define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
         |                                                         ^
   drivers/staging/fbtft/fbtft-bus.c:14: note: macro "define_fbtft_write_reg" defined here
      14 | #define define_fbtft_write_reg(func, buffer_type, data_type, modifier)        \
         | 
   drivers/staging/fbtft/fbtft-bus.c:67:23: error: expected ';' before 'void'
      67 | define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
         |                       ^
         |                       ;
      68 | 
      69 | void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...)
         | ~~~~                   


vim +/define_fbtft_write_reg +65 drivers/staging/fbtft/fbtft-bus.c

    64	
  > 65	define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
    66	define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, cpu_to_be16)
    67	define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
    68	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org