Hi Jani, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on next-20241024] [cannot apply to drm-exynos/exynos-drm-next shawnguo/for-next drm-xe/drm-xe-next linus/master v6.12-rc4] [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/Jani-Nikula/drm-remove-driver-date-from-struct-drm_driver-and-all-drivers/20241025-002344 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20241024162240.2398664-2-jani.nikula%40intel.com patch subject: [PATCH 2/2] drm: remove driver date from struct drm_driver and all drivers config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241025/202410251345.nA1iHU0x-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/20241025/202410251345.nA1iHU0x-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/202410251345.nA1iHU0x-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/accel/qaic/qaic_drv.c:7: In file included from include/linux/dma-mapping.h:8: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ 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_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/accel/qaic/qaic_drv.c:7: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/accel/qaic/qaic_drv.c:7: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/accel/qaic/qaic_drv.c:7: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/accel/qaic/qaic_drv.c:211:3: error: field designator 'date' does not refer to any field in type 'const struct drm_driver' 211 | .date = "20190618", | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/accel/qaic/qaic_drv.c:448:46: warning: shift count >= width of type [-Wshift-count-overflow] 448 | ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ 17 warnings and 1 error generated. vim +211 drivers/accel/qaic/qaic_drv.c c501ca23a6a306 Jeffrey Hugo 2023-03-27 205 c501ca23a6a306 Jeffrey Hugo 2023-03-27 206 static const struct drm_driver qaic_accel_driver = { c501ca23a6a306 Jeffrey Hugo 2023-03-27 207 .driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL, c501ca23a6a306 Jeffrey Hugo 2023-03-27 208 c501ca23a6a306 Jeffrey Hugo 2023-03-27 209 .name = QAIC_NAME, c501ca23a6a306 Jeffrey Hugo 2023-03-27 210 .desc = QAIC_DESC, c501ca23a6a306 Jeffrey Hugo 2023-03-27 @211 .date = "20190618", c501ca23a6a306 Jeffrey Hugo 2023-03-27 212 c501ca23a6a306 Jeffrey Hugo 2023-03-27 213 .fops = &qaic_accel_fops, c501ca23a6a306 Jeffrey Hugo 2023-03-27 214 .open = qaic_open, c501ca23a6a306 Jeffrey Hugo 2023-03-27 215 .postclose = qaic_postclose, c501ca23a6a306 Jeffrey Hugo 2023-03-27 216 c501ca23a6a306 Jeffrey Hugo 2023-03-27 217 .ioctls = qaic_drm_ioctls, c501ca23a6a306 Jeffrey Hugo 2023-03-27 218 .num_ioctls = ARRAY_SIZE(qaic_drm_ioctls), c501ca23a6a306 Jeffrey Hugo 2023-03-27 219 .gem_prime_import = qaic_gem_prime_import, c501ca23a6a306 Jeffrey Hugo 2023-03-27 220 }; c501ca23a6a306 Jeffrey Hugo 2023-03-27 221 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki