tree: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main head: e27b02e23a701e5761f1d6028643e1203a1c56de commit: e27b02e23a701e5761f1d6028643e1203a1c56de [6/6] ssb: drop use of non-existing CONFIG_SSB_DEBUG symbol config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240313/202403130633.muvbu9ev-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 503c55e17037436dcd45ac69dea8967e67e3f5e8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240313/202403130633.muvbu9ev-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/202403130633.muvbu9ev-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/ssb/main.c:11: In file included from drivers/ssb/ssb_private.h:8: In file included from include/linux/ssb/ssb.h:9: In file included from include/linux/pci.h:38: In file included from include/linux/interrupt.h:11: 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:328: 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 drivers/ssb/main.c:11: In file included from drivers/ssb/ssb_private.h:8: In file included from include/linux/ssb/ssb.h:9: In file included from include/linux/pci.h:38: In file included from include/linux/interrupt.h:11: 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:328: 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 drivers/ssb/main.c:11: In file included from drivers/ssb/ssb_private.h:8: In file included from include/linux/ssb/ssb.h:9: In file included from include/linux/pci.h:38: In file included from include/linux/interrupt.h:11: 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:328: 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); | ~~~~~~~~~~ ^ In file included from drivers/ssb/main.c:11: In file included from drivers/ssb/ssb_private.h:8: In file included from include/linux/ssb/ssb.h:9: In file included from include/linux/pci.h:2688: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2188: include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/ssb/main.c:1149:2: warning: label at end of compound statement is a C23 extension [-Wc23-extensions] 1149 | } | ^ 8 warnings generated. vim +1149 drivers/ssb/main.c 04023afcce2eaf Rafał Miłecki 2011-08-14 1132 61e115a56d1aaf Michael Buesch 2007-09-18 1133 u32 ssb_dma_translation(struct ssb_device *dev) 61e115a56d1aaf Michael Buesch 2007-09-18 1134 { 61e115a56d1aaf Michael Buesch 2007-09-18 1135 switch (dev->bus->bustype) { 61e115a56d1aaf Michael Buesch 2007-09-18 1136 case SSB_BUSTYPE_SSB: 61e115a56d1aaf Michael Buesch 2007-09-18 1137 return 0; 61e115a56d1aaf Michael Buesch 2007-09-18 1138 case SSB_BUSTYPE_PCI: 04023afcce2eaf Rafał Miłecki 2011-08-14 1139 if (pci_is_pcie(dev->bus->host_pci) && 04023afcce2eaf Rafał Miłecki 2011-08-14 1140 ssb_read32(dev, SSB_TMSHIGH) & SSB_TMSHIGH_DMA64) { 04023afcce2eaf Rafał Miłecki 2011-08-14 1141 return SSB_PCIE_DMA_H32; 04023afcce2eaf Rafał Miłecki 2011-08-14 1142 } else { 04023afcce2eaf Rafał Miłecki 2011-08-14 1143 if (ssb_dma_translation_special_bit(dev)) a9770a815d280d Rafał Miłecki 2011-07-20 1144 return SSB_PCIE_DMA_H32; a9770a815d280d Rafał Miłecki 2011-07-20 1145 else 61e115a56d1aaf Michael Buesch 2007-09-18 1146 return SSB_PCI_DMA; 04023afcce2eaf Rafał Miłecki 2011-08-14 1147 } f225763a7d6c92 Michael Buesch 2008-06-20 1148 default: 61e115a56d1aaf Michael Buesch 2007-09-18 @1149 } 61e115a56d1aaf Michael Buesch 2007-09-18 1150 return 0; 61e115a56d1aaf Michael Buesch 2007-09-18 1151 } 61e115a56d1aaf Michael Buesch 2007-09-18 1152 EXPORT_SYMBOL(ssb_dma_translation); 61e115a56d1aaf Michael Buesch 2007-09-18 1153 :::::: The code at line 1149 was first introduced by commit :::::: 61e115a56d1aafd6e6a8a9fee8ac099a6128ac7b [SSB]: add Sonics Silicon Backplane bus support :::::: TO: Michael Buesch <mb@xxxxxxxxx> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
