Re: [PATCH] staging: fbtft: fix coding style issue in fbtft-bus.c

kernel test robot
2026-04-14T11:44:43Z

Hi Baker,

kernel test robot noticed the following build errors:

[auto build test ERROR on staging/staging-testing]

url: https://github.com/intel-lab-lkp/linux/commits/Baker/staging-fbtft-fix-coding-style-issue-in-fbtft-bus-c/20260414-101811
base: staging/staging-testing
patch link: https://lore.kernel.org/r/20260412173317.3329-1-mzndmzn%40gmail.com
patch subject: [PATCH] staging: fbtft: fix coding style issue in fbtft-bus.c
config: arm-randconfig-r072-20260414 (https://download.01.org/0day-ci/archive/20260414/202604141939.LhzKrfey-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.4.0
smatch: v0.5.0-9007-gcf3ea02b
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260414/202604141939.LhzKrfey-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/oe-kbuild-all/202604141939.LhzKrfey-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

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