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/[email protected]/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/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
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 <[email protected]>
:::::: CC: David S. Miller <[email protected]>
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