Hi K, Thank you for the patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing] [also build test ERROR on v5.8-rc2 next-20200626] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/B-K-Karthik/fbtft-bus-c-Removing-that-prohibited-space-before/20200627-125315 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 92cd1b5d65f5c67147c7da39a3c2ad7e6ff81027 config: x86_64-randconfig-r015-20200628 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project a43b99a1e38e2beffb68a6db93f216f511e7fd41) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@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, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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