Hi Thippeswamy, kernel test robot noticed the following build errors: [auto build test ERROR on pci/next] [also build test ERROR on pci/for-linus mani-mhi/mhi-next robh/for-next linus/master v6.11-rc6 next-20240906] [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/Thippeswamy-Havalige/dt-bindings-PCI-xilinx-cpm-Add-compatible-string-for-CPM5-controller-1/20240906-173446 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20240906093148.830452-3-thippesw%40amd.com patch subject: [PATCH 2/2] PCI: xilinx-cpm: Add support for Versal CPM5 Root Port controller-1 config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240907/202409071635.vNwvSZtg-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 05f5a91d00b02f4369f46d076411c700755ae041) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240907/202409071635.vNwvSZtg-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/202409071635.vNwvSZtg-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/pci/controller/pcie-xilinx-cpm.c:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: 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/pci/controller/pcie-xilinx-cpm.c:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: 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/pci/controller/pcie-xilinx-cpm.c:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: 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); | ~~~~~~~~~~ ^ In file included from drivers/pci/controller/pcie-xilinx-cpm.c:10: In file included from include/linux/irq.h:591: In file included from arch/s390/include/asm/hw_irq.h:6: In file included from include/linux/pci.h:37: 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:2228: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/pci/controller/pcie-xilinx-cpm.c:292:37: error: use of undeclared identifier 'CPM5_HOST1' 292 | else if (port->variant->version == CPM5_HOST1) { | ^ drivers/pci/controller/pcie-xilinx-cpm.c:504:37: error: use of undeclared identifier 'CPM5_HOST1' 504 | else if (port->variant->version == CPM5_HOST1) { | ^ drivers/pci/controller/pcie-xilinx-cpm.c:636:13: error: use of undeclared identifier 'CPM5_HOST1' 636 | .version = CPM5_HOST1, | ^ >> drivers/pci/controller/pcie-xilinx-cpm.c:650:12: error: use of undeclared identifier 'cpm5_host1'; did you mean 'cpm5_host'? 650 | .data = &cpm5_host1, | ^~~~~~~~~~ | cpm5_host drivers/pci/controller/pcie-xilinx-cpm.c:635:40: note: 'cpm5_host' declared here 635 | static const struct xilinx_cpm_variant cpm5_host = { | ^ 17 warnings and 4 errors generated. vim +/CPM5_HOST1 +292 drivers/pci/controller/pcie-xilinx-cpm.c 270 271 static void xilinx_cpm_pcie_event_flow(struct irq_desc *desc) 272 { 273 struct xilinx_cpm_pcie *port = irq_desc_get_handler_data(desc); 274 struct irq_chip *chip = irq_desc_get_chip(desc); 275 unsigned long val; 276 int i; 277 278 chained_irq_enter(chip, desc); 279 val = pcie_read(port, XILINX_CPM_PCIE_REG_IDR); 280 val &= pcie_read(port, XILINX_CPM_PCIE_REG_IMR); 281 for_each_set_bit(i, &val, 32) 282 generic_handle_domain_irq(port->cpm_domain, i); 283 pcie_write(port, val, XILINX_CPM_PCIE_REG_IDR); 284 285 if (port->variant->version == CPM5) { 286 val = readl_relaxed(port->cpm_base + XILINX_CPM_PCIE0_IR_STATUS); 287 if (val) 288 writel_relaxed(val, port->cpm_base + 289 XILINX_CPM_PCIE0_IR_STATUS); 290 } 291 > 292 else if (port->variant->version == CPM5_HOST1) { 293 val = readl_relaxed(port->cpm_base + XILINX_CPM_PCIE1_IR_STATUS); 294 if (val) 295 writel_relaxed(val, port->cpm_base + 296 XILINX_CPM_PCIE1_IR_STATUS); 297 } 298 299 /* 300 * XILINX_CPM_PCIE_MISC_IR_STATUS register is mapped to 301 * CPM SLCR block. 302 */ 303 val = readl_relaxed(port->cpm_base + XILINX_CPM_PCIE_MISC_IR_STATUS); 304 if (val) 305 writel_relaxed(val, 306 port->cpm_base + XILINX_CPM_PCIE_MISC_IR_STATUS); 307 308 chained_irq_exit(chip, desc); 309 } 310 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
