Hi Marcio, Thank you for the patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing] [also build test ERROR on tegra-drm/drm/tegra/for-next v5.6-rc5 next-20200310] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Marcio-Albano/staging-fbtft-Remove-prohibited-spaces-before/20200311-095855 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 590a95e418d18894e34cd240b3e7ef278add05c7 config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All error/warnings (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 define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8) ^ >> drivers/staging/fbtft/fbtft-bus.c:15:1: error: expected '=', ',', ';', 'asm' >> or '__attribute__' before 'void' void func(struct fbtft_par *par, int len, ...) \ ^ >> drivers/staging/fbtft/fbtft-bus.c:66:1: note: in expansion of macro >> 'define_fbtft_write_reg' define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, cpu_to_be16) ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/fbtft/fbtft-bus.c:67:57: error: macro "define_fbtft_write_reg" requires 4 arguments, but only 3 given define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16) ^ drivers/staging/fbtft/fbtft-bus.c:69:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void' void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...) ^~~~ vim +/define_fbtft_write_reg +65 drivers/staging/fbtft/fbtft-bus.c 7 8 /***************************************************************************** 9 * 10 * void (*write_reg)(struct fbtft_par *par, int len, ...); 11 * 12 *****************************************************************************/ 13 14 #define define_fbtft_write_reg(func, buffer_type, data_type, modifier) \ > 15 void func(struct fbtft_par *par, int len, ...) \ 16 { \ 17 va_list args; \ 18 int i, ret; \ 19 int offset = 0; \ 20 buffer_type *buf = (buffer_type *)par->buf; \ 21 \ 22 if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) { \ 23 va_start(args, len); \ 24 for (i = 0; i < len; i++) { \ 25 buf[i] = modifier((data_type)va_arg(args, \ 26 unsigned int)); \ 27 } \ 28 va_end(args); \ 29 fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, \ 30 par->info->device, buffer_type, buf, len, \ 31 "%s: ", __func__); \ 32 } \ 33 \ 34 va_start(args, len); \ 35 \ 36 if (par->startbyte) { \ 37 *(u8 *)par->buf = par->startbyte; \ 38 buf = (buffer_type *)(par->buf + 1); \ 39 offset = 1; \ 40 } \ 41 \ 42 *buf = modifier((data_type)va_arg(args, unsigned int)); \ 43 ret = fbtft_write_buf_dc(par, par->buf, sizeof(data_type) + offset, \ 44 0); \ 45 if (ret < 0) \ 46 goto out; \ 47 len--; \ 48 \ 49 if (par->startbyte) \ 50 *(u8 *)par->buf = par->startbyte | 0x2; \ 51 \ 52 if (len) { \ 53 i = len; \ 54 while (i--) \ 55 *buf++ = modifier((data_type)va_arg(args, \ 56 unsigned int)); \ 57 fbtft_write_buf_dc(par, par->buf, \ 58 len * (sizeof(data_type) + offset), 1); \ 59 } \ 60 out: \ 61 va_end(args); \ 62 } \ 63 EXPORT_SYMBOL(func); 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-...@lists.01.org
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