tree: https://github.com/intel/linux-intel-lts.git 5.4/yocto head: eeb611e5394c56d45c5cc8f7dc484c9f19e93143 commit: 792c8003efc4d75b5f52db70e7380b6a425bdba8 [414/1142] xlink-pcie: XLink PCIe Remote and Local Host driver config: alpha-randconfig-s032-20210514 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/intel/linux-intel-lts/commit/792c8003efc4d75b5f52db70e... git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-linux-intel-lts 5.4/yocto git checkout 792c8003efc4d75b5f52db70e7380b6a425bdba8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) -- drivers/misc/xlink-pcie/local_host/mxlk_dma.c:175:56: sparse: expected void [noderef] <asn:2> *engine_en drivers/misc/xlink-pcie/local_host/mxlk_dma.c:175:56: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:178:55: sparse: expected void [noderef] <asn:2> *int_mask drivers/misc/xlink-pcie/local_host/mxlk_dma.c:178:55: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:181:56: sparse: expected void [noderef] <asn:2> *int_clear drivers/misc/xlink-pcie/local_host/mxlk_dma.c:181:56: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:184:53: sparse: expected void [noderef] <asn:2> *ll_err drivers/misc/xlink-pcie/local_host/mxlk_dma.c:184:53: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:215:41: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:216:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] <asn:2> *engine_en @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:216:56: sparse: expected void [noderef] <asn:2> *engine_en drivers/misc/xlink-pcie/local_host/mxlk_dma.c:216:56: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:219:55: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] <asn:2> *int_mask @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:219:55: sparse: expected void [noderef] <asn:2> *int_mask drivers/misc/xlink-pcie/local_host/mxlk_dma.c:219:55: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:222:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] <asn:2> *int_clear @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:222:56: sparse: expected void [noderef] <asn:2> *int_clear drivers/misc/xlink-pcie/local_host/mxlk_dma.c:222:56: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:225:53: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] <asn:2> *ll_err @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:225:53: sparse: expected void [noderef] <asn:2> *ll_err drivers/misc/xlink-pcie/local_host/mxlk_dma.c:225:53: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:228:57: sparse: expected void [noderef] <asn:2> *arb_weight drivers/misc/xlink-pcie/local_host/mxlk_dma.c:228:57: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:252:29: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:253:54: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:253:54: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:329:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:329:20: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:329:20: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:330:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:330:41: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:330:41: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:331:47: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:331:47: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:331:47: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:340:41: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:350:21: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:358:52: sparse: expected void [noderef] <asn:2> *doorbell drivers/misc/xlink-pcie/local_host/mxlk_dma.c:358:52: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:365:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:365:31: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:365:31: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:374:38: sparse: expected void [noderef] <asn:2> *err_status drivers/misc/xlink-pcie/local_host/mxlk_dma.c:374:38: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:379:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:379:20: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:379:20: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:394:41: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:404:21: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:412:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] <asn:2> *doorbell @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:412:52: sparse: expected void [noderef] <asn:2> *doorbell drivers/misc/xlink-pcie/local_host/mxlk_dma.c:412:52: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:419:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:419:31: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:419:31: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:428:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:2> *err_status @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:428:38: sparse: expected void [noderef] <asn:2> *err_status drivers/misc/xlink-pcie/local_host/mxlk_dma.c:428:38: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:431:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:2> *err_status @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:431:26: sparse: expected void [noderef] <asn:2> *err_status drivers/misc/xlink-pcie/local_host/mxlk_dma.c:431:26: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:436:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got unsigned int * @@ drivers/misc/xlink-pcie/local_host/mxlk_dma.c:436:20: sparse: expected void [noderef] <asn:2> *addr drivers/misc/xlink-pcie/local_host/mxlk_dma.c:436:20: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:506:41: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/xlink-pcie/local_host/mxlk_dma.c:508:38: sparse: expected void [noderef] <asn:2> *w_engine_en drivers/misc/xlink-pcie/local_host/mxlk_dma.c:508:38: sparse: got unsigned int * drivers/misc/xlink-pcie/local_host/mxlk_dma.c:509:38: sparse: expected void [noderef] <asn:2> *r_engine_en drivers/misc/xlink-pcie/local_host/mxlk_dma.c:509:38: sparse: got unsigned int * vim +/xlink_sw_id +60 drivers/misc/xlink-pcie/local_host/mxlk_epf.c 59 61 62 static irqreturn_t mxlk_err_interrupt(int irq, void *args) 63 { 64 struct mxlk *mxlk = args; 65 struct mxlk_epf *mxlk_epf = container_of(mxlk, struct mxlk_epf, mxlk); 66 u32 val; 67 68 val = ioread32(mxlk_epf->apb_base + PCIE_REGS_PCIE_ERR_INTR_FLAGS); 69 if (val & LINK_REQ_RST_FLG) 70 mxlk_ep_dma_reset(mxlk_epf->epf); 71 72 iowrite32(val, mxlk_epf->apb_base + PCIE_REGS_PCIE_ERR_INTR_FLAGS); 73 74 return IRQ_HANDLED; 75 } 76 77 static irqreturn_t mxlk_host_interrupt(int irq, void *args) 78 { 79 struct mxlk *mxlk = args; 80 struct mxlk_epf *mxlk_epf = container_of(mxlk, struct mxlk_epf, mxlk); 81 u32 val; 82 u8 event; 83 84 val = ioread32(mxlk_epf->apb_base + PCIE_REGS_PCIE_INTR_FLAGS); 85 if (val & LBC_CII_EVENT_FLAG) { 86 iowrite32(LBC_CII_EVENT_FLAG, 87 mxlk_epf->apb_base + PCIE_REGS_PCIE_INTR_FLAGS); 88 89 event = mxlk_get_doorbell(mxlk, TO_DEVICE, DEV_EVENT); 90 if (unlikely(event != NO_OP)) { 91 mxlk_set_doorbell(mxlk, TO_DEVICE, DEV_EVENT, NO_OP); 92 if (event == REQUEST_RESET) 93 orderly_reboot(); 94 return IRQ_HANDLED; 95 } 96 97 if (likely(mxlk_epf->core_irq_callback)) 98 mxlk_epf->core_irq_callback(irq, mxlk); 99 } 100 101 return IRQ_HANDLED; 102 } 103 105 { 106 struct mxlk_epf *mxlk_epf = container_of(mxlk, struct mxlk_epf, mxlk); 107 108 mxlk_epf->core_irq_callback = func; 109 } 110 112 { 113 struct mxlk_epf *mxlk_epf = container_of(mxlk, struct mxlk_epf, mxlk); 114 struct pci_epf *epf = mxlk_epf->epf; 115 116 mxlk_set_doorbell(mxlk, FROM_DEVICE, type, 1); 117 118 return pci_epc_raise_irq(epf->epc, epf->func_no, PCI_EPC_IRQ_MSI, 1); 119 } 120 121 static void __iomem *mxlk_epc_alloc_addr(struct pci_epc *epc, 122 phys_addr_t *phys_addr, size_t size) 123 { 124 void __iomem *virt_addr; 125 unsigned long flags; 126 127 spin_lock_irqsave(&epc->lock, flags); 128 virt_addr = pci_epc_mem_alloc_addr(epc, phys_addr, size); 129 spin_unlock_irqrestore(&epc->lock, flags); 130 131 return virt_addr; 132 } 133 134 static void mxlk_epc_free_addr(struct pci_epc *epc, phys_addr_t phys_addr, 135 void __iomem *virt_addr, size_t size) 136 { 137 unsigned long flags; 138 139 spin_lock_irqsave(&epc->lock, flags); 140 pci_epc_mem_free_addr(epc, phys_addr, virt_addr, size); 141 spin_unlock_irqrestore(&epc->lock, flags); 142 } 143 145 { 146 struct mxlk_epf *mxlk_epf = container_of(mxlk, struct mxlk_epf, mxlk); 147 struct pci_epf *epf = mxlk_epf->epf; 148 149 return mxlk_ep_dma_read_ll(epf, chan, descs_num); 150 } 151 153 { 154 struct mxlk_epf *mxlk_epf = container_of(mxlk, struct mxlk_epf, mxlk); 155 struct pci_epf *epf = mxlk_epf->epf; 156 157 return mxlk_ep_dma_write_ll(epf, chan, descs_num); 158 } 159 --- 0-DAY CI Kernel Test Service, Intel Corporation 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