Hi Ma, kernel test robot noticed the following build errors: [auto build test ERROR on v6.7-rc1] [also build test ERROR on next-20231205] [cannot apply to drm-misc/drm-misc-next wireless-next/main wireless/main linus/master v6.7-rc3 v6.7-rc2] [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/Ma-Jun/Documentation-driver-api-Add-document-about-WBRF-mechanism/20231129-181516 base: v6.7-rc1 patch link: https://lore.kernel.org/r/20231129091348.3972539-5-Jun.Ma2%40amd.com patch subject: [PATCH v14 4/9] wifi: mac80211: Add support for WBRF features config: hexagon-randconfig-002-20231201 (https://download.01.org/0day-ci/archive/20231206/202312061221.VlhfjRyI-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061221.VlhfjRyI-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/202312061221.VlhfjRyI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from net/mac80211/wbrf.c:10: In file included from include/net/cfg80211.h:13: In file included from include/linux/ethtool.h:18: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from net/mac80211/wbrf.c:10: In file included from include/net/cfg80211.h:13: In file included from include/linux/ethtool.h:18: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from net/mac80211/wbrf.c:10: In file included from include/net/cfg80211.h:13: In file included from include/linux/ethtool.h:18: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> net/mac80211/wbrf.c:79:2: error: call to undeclared function 'acpi_amd_wbrf_add_remove'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 79 | acpi_amd_wbrf_add_remove(dev, WBRF_RECORD_ADD, &ranges_in); | ^ net/mac80211/wbrf.c:94:2: error: call to undeclared function 'acpi_amd_wbrf_add_remove'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 94 | acpi_amd_wbrf_add_remove(dev, WBRF_RECORD_REMOVE, &ranges_in); | ^ 6 warnings and 2 errors generated. vim +/acpi_amd_wbrf_add_remove +79 net/mac80211/wbrf.c 66 67 void ieee80211_add_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef) 68 { 69 struct wbrf_ranges_in_out ranges_in = {0}; 70 struct device *dev; 71 72 if (!local->wbrf_supported) 73 return; 74 75 dev = local->hw.wiphy->dev.parent; 76 77 get_ranges_from_chandef(chandef, &ranges_in); 78 > 79 acpi_amd_wbrf_add_remove(dev, WBRF_RECORD_ADD, &ranges_in); 80 } 81 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki