Hi Thomas, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [cannot apply to deller-parisc/for-next arnd-asm-generic/master linus/master v6.4-rc1 next-20230509] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/fbdev-matrox-Remove-trailing-whitespaces/20230508-195052 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230508114830.28182-6-tzimmermann%40suse.de patch subject: [PATCH v5 5/6] fbdev: Move framebuffer I/O helpers into <asm/fb.h> config: mips-randconfig-r016-20230507 (https://download.01.org/0day-ci/archive/20230509/202305091533.3zBlgYkC-lkp@xxxxxxxxx/config) compiler: mips64-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/c64dc7f407b3faa85d4e81ec762407388c5813c1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Thomas-Zimmermann/fbdev-matrox-Remove-trailing-whitespaces/20230508-195052 git checkout c64dc7f407b3faa85d4e81ec762407388c5813c1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/video/fbdev/core/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305091533.3zBlgYkC-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/video/fbdev/core/cfbfillrect.c: In function 'bitfill_aligned': >> drivers/video/fbdev/core/cfbfillrect.c:26:21: error: implicit declaration of function 'fb_writeq'; did you mean 'fb_writel'? [-Werror=implicit-function-declaration] 26 | # define FB_WRITEL fb_writeq | ^~~~~~~~~ drivers/video/fbdev/core/cfbfillrect.c:50:17: note: in expansion of macro 'FB_WRITEL' 50 | FB_WRITEL(comp(pat, FB_READL(dst), first), dst); | ^~~~~~~~~ >> drivers/video/fbdev/core/cfbfillrect.c:27:21: error: implicit declaration of function 'fb_readq'; did you mean 'fb_readl'? [-Werror=implicit-function-declaration] 27 | # define FB_READL fb_readq | ^~~~~~~~ drivers/video/fbdev/core/cfbfillrect.c:50:37: note: in expansion of macro 'FB_READL' 50 | FB_WRITEL(comp(pat, FB_READL(dst), first), dst); | ^~~~~~~~ cc1: some warnings being treated as errors -- drivers/video/fbdev/core/cfbcopyarea.c: In function 'bitcpy': >> drivers/video/fbdev/core/cfbcopyarea.c:37:21: error: implicit declaration of function 'fb_writeq'; did you mean 'fb_writel'? [-Werror=implicit-function-declaration] 37 | # define FB_WRITEL fb_writeq | ^~~~~~~~~ drivers/video/fbdev/core/cfbcopyarea.c:73:25: note: in expansion of macro 'FB_WRITEL' 73 | FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst); | ^~~~~~~~~ >> drivers/video/fbdev/core/cfbcopyarea.c:38:21: error: implicit declaration of function 'fb_readq'; did you mean 'fb_readl'? [-Werror=implicit-function-declaration] 38 | # define FB_READL fb_readq | ^~~~~~~~ drivers/video/fbdev/core/cfbcopyarea.c:73:42: note: in expansion of macro 'FB_READL' 73 | FB_WRITEL( comp( FB_READL(src), FB_READL(dst), first), dst); | ^~~~~~~~ cc1: some warnings being treated as errors vim +26 drivers/video/fbdev/core/cfbfillrect.c ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 21 ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 22 #if BITS_PER_LONG == 32 ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 23 # define FB_WRITEL fb_writel ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 24 # define FB_READL fb_readl ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 25 #else ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 @26 # define FB_WRITEL fb_writeq ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 @27 # define FB_READL fb_readq ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 28 #endif ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 29 ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 30 /* ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 31 * Aligned pattern fill using 32/64-bit memory accesses ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 32 */ ^1da177e4c3f41 drivers/video/cfbfillrect.c Linus Torvalds 2005-04-16 33 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests