Hi Gonzalo, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm-tip/drm-tip linus/master v6.12-rc5 next-20241028] [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/Gonzalo-Silvalde-Blanco/fbdev-udl-Make-CONFIG_FB_DEVICE-optional/20241025-172653 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20241025092538.38339-1-gonzalo.silvalde%40gmail.com patch subject: [PATCH] fbdev: udl: Make CONFIG_FB_DEVICE optional config: riscv-randconfig-r073-20241029 (https://download.01.org/0day-ci/archive/20241029/202410290452.XKXQkwp1-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 5886454669c3c9026f7f27eab13509dd0241f2d6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241029/202410290452.XKXQkwp1-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/202410290452.XKXQkwp1-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/video/fbdev/udlfb.c:19: In file included from include/linux/usb.h:16: In file included from include/linux/interrupt.h:22: In file included from arch/riscv/include/asm/sections.h:9: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/video/fbdev/udlfb.c:1485:35: warning: unused variable 'edid_attr' [-Wunused-const-variable] 1485 | static const struct bin_attribute edid_attr = { | ^~~~~~~~~ >> drivers/video/fbdev/udlfb.c:1493:38: warning: unused variable 'fb_device_attrs' [-Wunused-const-variable] 1493 | static const struct device_attribute fb_device_attrs[] = { | ^~~~~~~~~~~~~~~ 3 warnings generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] vim +/edid_attr +1485 drivers/video/fbdev/udlfb.c 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1484 598b2eedfc3fbe drivers/video/fbdev/udlfb.c Bhumika Goyal 2017-08-18 @1485 static const struct bin_attribute edid_attr = { 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1486 .attr.name = "edid", 8ef8cc4fca4a92 drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-09-05 1487 .attr.mode = 0666, b9f03a3cd06c6f drivers/video/udlfb.c Paul Mundt 2011-01-06 1488 .size = EDID_LENGTH, 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1489 .read = edid_show, 8ef8cc4fca4a92 drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-09-05 1490 .write = edid_store 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1491 }; 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1492 fa738a5c4b2a6b drivers/video/fbdev/udlfb.c Ladislav Michl 2018-01-16 @1493 static const struct device_attribute fb_device_attrs[] = { 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1494 __ATTR_RO(metrics_bytes_rendered), 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1495 __ATTR_RO(metrics_bytes_identical), 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1496 __ATTR_RO(metrics_bytes_sent), 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1497 __ATTR_RO(metrics_cpu_kcycles_used), 926c11151e3b82 drivers/staging/udlfb/udlfb.c Greg Kroah-Hartman 2010-11-18 1498 __ATTR(metrics_reset, S_IWUSR, NULL, metrics_reset_store), 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1499 }; 7d9485e2c53caa drivers/staging/udlfb/udlfb.c Bernie Thompson 2010-02-15 1500 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
