Hi James, kernel test robot noticed the following build errors: [auto build test ERROR on tip/irq/core] [also build test ERROR on robh/for-next linus/master v6.7 next-20240108] [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/James-Tai/dt-bindings-interrupt-controller-Add-support-for-Realtek-DHC-SoCs/20231228-141213 base: tip/irq/core patch link: https://lore.kernel.org/r/20231228060825.1380439-5-james.tai%40realtek.com patch subject: [PATCH v4 4/6] irqchip: Introduce RTD1319D support using the Realtek common interrupt controller driver config: s390-randconfig-r113-20240109 (https://download.01.org/0day-ci/archive/20240109/202401091218.1mO2PJxw-lkp@xxxxxxxxx/config) compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project 7e186d366d6c7def0543acc255931f617e76dff0) reproduce: (https://download.01.org/0day-ci/archive/20240109/202401091218.1mO2PJxw-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/202401091218.1mO2PJxw-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/irqchip/irq-realtek-intc-common.c:8: In file included from include/linux/irqchip.h:17: In file included from include/linux/of_irq.h:7: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:78: 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/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/irqchip/irq-realtek-intc-common.c:8: In file included from include/linux/irqchip.h:17: In file included from include/linux/of_irq.h:7: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:78: 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/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/irqchip/irq-realtek-intc-common.c:8: In file included from include/linux/irqchip.h:17: In file included from include/linux/of_irq.h:7: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:78: 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); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/irqchip/irq-realtek-intc-common.c:204:3: error: call to undeclared function 'iounmap'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 204 | iounmap(data->base); | ^ arch/s390/include/asm/io.h:29:17: note: expanded from macro 'iounmap' 29 | #define iounmap iounmap | ^ drivers/irqchip/irq-realtek-intc-common.c:204:3: note: did you mean 'vunmap'? arch/s390/include/asm/io.h:29:17: note: expanded from macro 'iounmap' 29 | #define iounmap iounmap | ^ include/linux/vmalloc.h:167:13: note: 'vunmap' declared here 167 | extern void vunmap(const void *addr); | ^ 12 warnings and 1 error generated. vim +/iounmap +204 drivers/irqchip/irq-realtek-intc-common.c 59fe9dce1f284e James Tai 2023-12-28 161 59fe9dce1f284e James Tai 2023-12-28 162 int realtek_intc_probe(struct platform_device *pdev, const struct realtek_intc_info *info) 59fe9dce1f284e James Tai 2023-12-28 163 { 59fe9dce1f284e James Tai 2023-12-28 164 struct realtek_intc_data *data; 59fe9dce1f284e James Tai 2023-12-28 165 struct device *dev = &pdev->dev; 59fe9dce1f284e James Tai 2023-12-28 166 struct device_node *node = dev->of_node; 59fe9dce1f284e James Tai 2023-12-28 167 int ret, i; 59fe9dce1f284e James Tai 2023-12-28 168 59fe9dce1f284e James Tai 2023-12-28 169 data = devm_kzalloc(dev, struct_size(data, subset_data, info->subset_num), GFP_KERNEL); 59fe9dce1f284e James Tai 2023-12-28 170 if (!data) 59fe9dce1f284e James Tai 2023-12-28 171 return -ENOMEM; 59fe9dce1f284e James Tai 2023-12-28 172 59fe9dce1f284e James Tai 2023-12-28 173 data->base = of_iomap(node, 0); 59fe9dce1f284e James Tai 2023-12-28 174 if (!data->base) 59fe9dce1f284e James Tai 2023-12-28 175 goto iomap_cleanup; 59fe9dce1f284e James Tai 2023-12-28 176 59fe9dce1f284e James Tai 2023-12-28 177 data->info = info; 59fe9dce1f284e James Tai 2023-12-28 178 59fe9dce1f284e James Tai 2023-12-28 179 raw_spin_lock_init(&data->lock); 59fe9dce1f284e James Tai 2023-12-28 180 59fe9dce1f284e James Tai 2023-12-28 181 data->domain = irq_domain_add_linear(node, 32, &realtek_intc_domain_ops, data); 59fe9dce1f284e James Tai 2023-12-28 182 if (!data->domain) 59fe9dce1f284e James Tai 2023-12-28 183 goto iomap_cleanup; 59fe9dce1f284e James Tai 2023-12-28 184 59fe9dce1f284e James Tai 2023-12-28 185 data->subset_data_num = info->subset_num; 59fe9dce1f284e James Tai 2023-12-28 186 for (i = 0; i < info->subset_num; i++) { 59fe9dce1f284e James Tai 2023-12-28 187 ret = realtek_intc_subset(node, data, i); 59fe9dce1f284e James Tai 2023-12-28 188 if (ret <= 0) { 59fe9dce1f284e James Tai 2023-12-28 189 dev_err(dev, "failed to init subset %d: %d", i, ret); 59fe9dce1f284e James Tai 2023-12-28 190 goto irq_domain_cleanup; 59fe9dce1f284e James Tai 2023-12-28 191 } 59fe9dce1f284e James Tai 2023-12-28 192 } 59fe9dce1f284e James Tai 2023-12-28 193 59fe9dce1f284e James Tai 2023-12-28 194 platform_set_drvdata(pdev, data); 59fe9dce1f284e James Tai 2023-12-28 195 59fe9dce1f284e James Tai 2023-12-28 196 return 0; 59fe9dce1f284e James Tai 2023-12-28 197 59fe9dce1f284e James Tai 2023-12-28 198 irq_domain_cleanup: 59fe9dce1f284e James Tai 2023-12-28 199 if (data->domain) 59fe9dce1f284e James Tai 2023-12-28 200 irq_domain_remove(data->domain); 59fe9dce1f284e James Tai 2023-12-28 201 59fe9dce1f284e James Tai 2023-12-28 202 iomap_cleanup: 59fe9dce1f284e James Tai 2023-12-28 203 if (data->base) 59fe9dce1f284e James Tai 2023-12-28 @204 iounmap(data->base); 59fe9dce1f284e James Tai 2023-12-28 205 59fe9dce1f284e James Tai 2023-12-28 206 return -ENOMEM; 59fe9dce1f284e James Tai 2023-12-28 207 } 59fe9dce1f284e James Tai 2023-12-28 208 EXPORT_SYMBOL_GPL(realtek_intc_probe); 59fe9dce1f284e James Tai 2023-12-28 209 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
