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/20200627-125213 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 92cd1b5d65f5c67147c7da39a3c2ad7e6ff81027 config: m68k-randconfig-r016-20200624 (attached as .config) compiler: m68k-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/build_bug.h:5, from include/linux/bits.h:23, from include/linux/gpio/consumer.h:5, from drivers/staging/fbtft/fbtft-bus.c:4: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ drivers/staging/fbtft/fbtft-bus.c: At top level: >> 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@xxxxxxxxxxxx
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