[PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue

[PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue

[Deepanshu Kartikey]

Fixed a coding styling issue

Signed-off-by: Deepanshu Kartikey <kartikey406@gmail.com>
---
 drivers/staging/fbtft/fbtft-bus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c
index 3d422bc11641..02a16671f2a1 100644
--- a/drivers/staging/fbtft/fbtft-bus.c
+++ b/drivers/staging/fbtft/fbtft-bus.c
@@ -62,9 +62,9 @@ out:									      \
 }                                                                             \
 EXPORT_SYMBOL(func);
 
-define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8, )
+define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
 define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, cpu_to_be16)
-define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16, )
+define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
 
 void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...)
 {
-- 
2.25.1

Re: [PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue

[kernel test robot]

Hi Deepanshu,

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/Deepanshu-Kartikey/Staging-fbtft-fbtft-bus-fixed-extra-space-and-parenthesis-issue/20230408-130429
patch link:    https://lore.kernel.org/r/20230408050323.70919-1-kartikey406%40gmail.com
patch subject: [PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230408/202304081417.MgYKE9jj-lkp@intel.com/config)
compiler: m68k-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/a5c79ed6665465f3101e8251ca030a600cf1ea88
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Deepanshu-Kartikey/Staging-fbtft-fbtft-bus-fixed-extra-space-and-parenthesis-issue/20230408-130429
        git checkout a5c79ed6665465f3101e8251ca030a600cf1ea88
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/staging/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304081417.MgYKE9jj-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
https://github.com/intel/lkp-tests

Re: [PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue

[Greg KH]

On Sat, Apr 08, 2023 at 10:33:23AM +0530, Deepanshu Kartikey wrote:
> Fixed a coding styling issue
> 
> Signed-off-by: Deepanshu Kartikey <kartikey406@gmail.com>
> ---
>  drivers/staging/fbtft/fbtft-bus.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c
> index 3d422bc11641..02a16671f2a1 100644
> --- a/drivers/staging/fbtft/fbtft-bus.c
> +++ b/drivers/staging/fbtft/fbtft-bus.c
> @@ -62,9 +62,9 @@ out:									      \
>  }                                                                             \
>  EXPORT_SYMBOL(func);
>  
> -define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8, )
> +define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
>  define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, cpu_to_be16)
> -define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16, )
> +define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
>  
>  void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...)
>  {
> -- 
> 2.25.1
> 
> 

Any specific reason why you did not test-build your patch before sending
it?

Re: [PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue

[kernel test robot]

Hi Deepanshu,

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/Deepanshu-Kartikey/Staging-fbtft-fbtft-bus-fixed-extra-space-and-parenthesis-issue/20230408-130429
patch link:    https://lore.kernel.org/r/20230408050323.70919-1-kartikey406%40gmail.com
patch subject: [PATCH] Staging: fbtft: fbtft-bus: fixed extra space and parenthesis issue
config: i386-randconfig-a002-20230403 (https://download.01.org/0day-ci/archive/20230408/202304081830.7kKqUkLL-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/a5c79ed6665465f3101e8251ca030a600cf1ea88
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Deepanshu-Kartikey/Staging-fbtft-fbtft-bus-fixed-extra-space-and-parenthesis-issue/20230408-130429
        git checkout a5c79ed6665465f3101e8251ca030a600cf1ea88
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304081830.7kKqUkLL-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/staging/fbtft/fbtft-bus.c:65:53: error: too few arguments provided to function-like macro invocation
   define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
                                                       ^
   drivers/staging/fbtft/fbtft-bus.c:14:9: note: macro 'define_fbtft_write_reg' defined here
   #define define_fbtft_write_reg(func, buffer_type, data_type, modifier)        \
           ^
>> drivers/staging/fbtft/fbtft-bus.c:65:1: error: unknown type name 'define_fbtft_write_reg'
   define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8)
   ^
   drivers/staging/fbtft/fbtft-bus.c:67:57: error: too few arguments provided to function-like macro invocation
   define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
                                                           ^
   drivers/staging/fbtft/fbtft-bus.c:14:9: note: macro 'define_fbtft_write_reg' defined here
   #define define_fbtft_write_reg(func, buffer_type, data_type, modifier)        \
           ^
   drivers/staging/fbtft/fbtft-bus.c:67:1: error: unknown type name 'define_fbtft_write_reg'
   define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16)
   ^
>> drivers/staging/fbtft/fbtft-bus.c:86:3: error: non-void function 'fbtft_write_reg8_bus9' should return a value [-Wreturn-type]
                   return;
                   ^
   drivers/staging/fbtft/fbtft-bus.c:109:3: error: non-void function 'fbtft_write_reg8_bus9' should return a value [-Wreturn-type]
                   return;
                   ^
   6 errors generated.


vim +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	
    69	void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...)
    70	{
    71		va_list args;
    72		int i, ret;
    73		int pad = 0;
    74		u16 *buf = (u16 *)par->buf;
    75	
    76		if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) {
    77			va_start(args, len);
    78			for (i = 0; i < len; i++)
    79				*(((u8 *)buf) + i) = (u8)va_arg(args, unsigned int);
    80			va_end(args);
    81			fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par,
    82					  par->info->device, u8, buf, len, "%s: ",
    83					  __func__);
    84		}
    85		if (len <= 0)
  > 86			return;
    87	
    88		if (par->spi && (par->spi->bits_per_word == 8)) {
    89			/* we're emulating 9-bit, pad start of buffer with no-ops
    90			 * (assuming here that zero is a no-op)
    91			 */
    92			pad = (len % 4) ? 4 - (len % 4) : 0;
    93			for (i = 0; i < pad; i++)
    94				*buf++ = 0x000;
    95		}
    96	
    97		va_start(args, len);
    98		*buf++ = (u8)va_arg(args, unsigned int);
    99		i = len - 1;
   100		while (i--) {
   101			*buf = (u8)va_arg(args, unsigned int);
   102			*buf++ |= 0x100; /* dc=1 */
   103		}
   104		va_end(args);
   105		ret = par->fbtftops.write(par, par->buf, (len + pad) * sizeof(u16));
   106		if (ret < 0) {
   107			dev_err(par->info->device,
   108				"write() failed and returned %d\n", ret);
   109			return;
   110		}
   111	}
   112	EXPORT_SYMBOL(fbtft_write_reg8_bus9);
   113	

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