Hi Thomas, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 21ef7b1e17d039053edaeaf41142423810572741 commit: 5011260838551cefbf23d60b48c3243b6d5530a2 [6241/10161] fbdev/g364fb: Use fbdev I/O helpers config: mips-jazz_defconfig (https://download.01.org/0day-ci/archive/20230815/202308152224.138bLmbR-lkp@xxxxxxxxx/config) compiler: mipsel-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230815/202308152224.138bLmbR-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308152224.138bLmbR-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/video/fbdev/g364fb.c:115:9: error: 'FB_DEFAULT_IOMEM_HELPERS' undeclared here (not in a function); did you mean 'FB_DEFAULT_IOMEM_OPS'? 115 | FB_DEFAULT_IOMEM_HELPERS, | ^~~~~~~~~~~~~~~~~~~~~~~~ | FB_DEFAULT_IOMEM_OPS vim +115 drivers/video/fbdev/g364fb.c 112 113 static const struct fb_ops g364fb_ops = { 114 .owner = THIS_MODULE, > 115 FB_DEFAULT_IOMEM_HELPERS, 116 .fb_setcolreg = g364fb_setcolreg, 117 .fb_pan_display = g364fb_pan_display, 118 .fb_blank = g364fb_blank, 119 }; 120 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki