[kbuild-all] [arm-platforms:irq/domain_cleanup 6/31] drivers/mfd/ioc3.c:86:26: error: incomplete definition of type 'struct irq_domain'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git irq/domain_cleanup head: 2360898eeecf0ff64ae1edf24f632228a09badef commit: 1831090db122e348023e4c53849586df3991b17e [6/31] MIPS: Do not include linux/irqdomain.h from asm/irq.h config: mips-randconfig-r031-20210516 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a80a5036a1f6b9a9eb4038b30458f9ab349efff8) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/com... git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git git fetch --no-tags arm-platforms irq/domain_cleanup git checkout 1831090db122e348023e4c53849586df3991b17e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): irq_set_chip_data(irq, d->host_data); ~^ include/linux/irq.h:128:8: note: forward declaration of 'struct irq_domain' struct irq_domain; ^ static const struct irq_domain_ops ioc3_irq_domain_ops = { ^ drivers/mfd/ioc3.c:96:21: note: forward declaration of 'struct irq_domain_ops' static const struct irq_domain_ops ioc3_irq_domain_ops = { ^ drivers/mfd/ioc3.c:104:37: error: incomplete definition of type 'struct irq_domain' struct ioc3_priv_data *ipd = domain->host_data; ~~~~~~^ include/linux/irq.h:128:8: note: forward declaration of 'struct irq_domain' struct irq_domain; ^ drivers/mfd/ioc3.c:114:9: error: implicit declaration of function 'irq_find_mapping' [-Werror,-Wimplicit-function-declaration] irq = irq_find_mapping(domain, __ffs(pending)); ^ fn = irq_domain_alloc_named_fwnode("IOC3"); ^ fn = irq_domain_alloc_named_fwnode("IOC3"); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ domain = irq_domain_create_linear(fn, 24, &ioc3_irq_domain_ops, ipd); ^ irq_domain_free_fwnode(fn); ^ drivers/mfd/ioc3.c:619:42: error: incomplete definition of type 'struct irq_domain' struct fwnode_handle *fn = ipd->domain->fwnode; ~~~~~~~~~~~^ include/linux/irq.h:128:8: note: forward declaration of 'struct irq_domain' struct irq_domain; ^ irq_domain_remove(ipd->domain); ^ drivers/mfd/ioc3.c:622:4: error: implicit declaration of function 'irq_domain_free_fwnode' [-Werror,-Wimplicit-function-declaration] irq_domain_free_fwnode(fn); ^ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ drivers/mfd/ioc3.c:649:41: error: incomplete definition of type 'struct irq_domain' struct fwnode_handle *fn = ipd->domain->fwnode; ~~~~~~~~~~~^ include/linux/irq.h:128:8: note: forward declaration of 'struct irq_domain' struct irq_domain; ^ drivers/mfd/ioc3.c:651:3: error: implicit declaration of function 'irq_domain_remove' [-Werror,-Wimplicit-function-declaration] irq_domain_remove(ipd->domain); ^ drivers/mfd/ioc3.c:652:3: error: implicit declaration of function 'irq_domain_free_fwnode' [-Werror,-Wimplicit-function-declaration] irq_domain_free_fwnode(fn); ^ 2 warnings and 13 errors generated. vim +86 drivers/mfd/ioc3.c 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 76 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 77 static int ioc3_irq_domain_map(struct irq_domain *d, unsigned int irq, 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 78 irq_hw_number_t hwirq) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 79 { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 80 /* Set level IRQs for every interrupt contained in IOC3_LVL_MASK */ 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 81 if (BIT(hwirq) & IOC3_LVL_MASK) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 82 irq_set_chip_and_handler(irq, &ioc3_irq_chip, handle_level_irq); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 83 else 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 84 irq_set_chip_and_handler(irq, &ioc3_irq_chip, handle_edge_irq); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 85 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 @86 irq_set_chip_data(irq, d->host_data); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 87 return 0; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 88 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 89 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 90 static void ioc3_irq_domain_unmap(struct irq_domain *d, unsigned int irq) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 91 { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 92 irq_set_chip_and_handler(irq, NULL, NULL); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 93 irq_set_chip_data(irq, NULL); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 94 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 95 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 @96 static const struct irq_domain_ops ioc3_irq_domain_ops = { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 97 .map = ioc3_irq_domain_map, 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 98 .unmap = ioc3_irq_domain_unmap, 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 99 }; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 100 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 101 static void ioc3_irq_handler(struct irq_desc *desc) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 102 { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 103 struct irq_domain *domain = irq_desc_get_handler_data(desc); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 104 struct ioc3_priv_data *ipd = domain->host_data; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 105 struct ioc3 __iomem *regs = ipd->regs; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 106 u32 pending, mask; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 107 unsigned int irq; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 108 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 109 pending = readl(&regs->sio_ir); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 110 mask = readl(&regs->sio_ies); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 111 pending &= mask; /* Mask off not enabled interrupts */ 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 112 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 113 if (pending) { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 114 irq = irq_find_mapping(domain, __ffs(pending)); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 115 if (irq) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 116 generic_handle_irq(irq); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 117 } else { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 118 spurious_interrupt(); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 119 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 120 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 121 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 122 /* 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 123 * System boards/BaseIOs use more interrupt pins of the bridge ASIC 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 124 * to which the IOC3 is connected. Since the IOC3 MFD driver 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 125 * knows wiring of these extra pins, we use the map_irq function 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 126 * to get interrupts activated 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 127 */ 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 128 static int ioc3_map_irq(struct pci_dev *pdev, int slot, int pin) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 129 { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 130 struct pci_host_bridge *hbrg = pci_find_host_bridge(pdev->bus); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 131 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 132 return hbrg->map_irq(pdev, slot, pin); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 133 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 134 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 135 static int ioc3_irq_domain_setup(struct ioc3_priv_data *ipd, int irq) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 136 { 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 137 struct irq_domain *domain; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 138 struct fwnode_handle *fn; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 139 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 @140 fn = irq_domain_alloc_named_fwnode("IOC3"); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 141 if (!fn) 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 142 goto err; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 143 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 @144 domain = irq_domain_create_linear(fn, 24, &ioc3_irq_domain_ops, ipd); e3beca48a45b5e Thomas Gleixner 2020-07-09 145 if (!domain) { e3beca48a45b5e Thomas Gleixner 2020-07-09 @146 irq_domain_free_fwnode(fn); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 147 goto err; e3beca48a45b5e Thomas Gleixner 2020-07-09 148 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 149 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 150 ipd->domain = domain; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 151 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 152 irq_set_chained_handler_and_data(irq, ioc3_irq_handler, domain); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 153 ipd->domain_irq = irq; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 154 return 0; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 155 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 156 err: 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 157 dev_err(&ipd->pdev->dev, "irq domain setup failed\n"); 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 158 return -ENOMEM; 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 159 } 0ce5ebd24d25f0 Thomas Bogendoerfer 2020-01-09 160 :::::: The code at line 86 was first introduced by commit :::::: 0ce5ebd24d25f02c73940f047b12733d84b125e8 mfd: ioc3: Add driver for SGI IOC3 chip :::::: TO: Thomas Bogendoerfer <tbogendoerfer(a)suse.de&gt; :::::: CC: Paul Burton <paulburton(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org