tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git controller/dwc-cpu-addr-fixup head: 94d1d26431c0e4c845e9e9ee5f23bcc9a53d95ec commit: c1154a3218325a03cd07df51a7076a353a723589 [6/14] PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug config: alpha-randconfig-r121-20250321 (https://download.01.org/0day-ci/archive/20250321/202503210649.lau9JEgG-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 12.4.0 reproduce: (https://download.01.org/0day-ci/archive/20250321/202503210649.lau9JEgG-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/202503210649.lau9JEgG-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/pci/controller/dwc/pcie-designware.c:1130:55: sparse: sparse: Using plain integer as NULL pointer drivers/pci/controller/dwc/pcie-designware.c: note: in included file (through arch/alpha/include/asm/core_tsunami.h, arch/alpha/include/asm/io.h, include/linux/scatterlist.h, ...): arch/alpha/include/asm/io_trivial.h:70:16: sparse: sparse: undefined identifier '__kernel_ldwu' arch/alpha/include/asm/io_trivial.h:64:16: sparse: sparse: undefined identifier '__kernel_ldbu' arch/alpha/include/asm/io_trivial.h:82:9: sparse: sparse: undefined identifier '__kernel_stw' arch/alpha/include/asm/io_trivial.h:76:9: sparse: sparse: undefined identifier '__kernel_stb' vim +1130 drivers/pci/controller/dwc/pcie-designware.c 1109 1110 resource_size_t dw_pcie_parent_bus_offset(struct dw_pcie *pci, 1111 const char *reg_name, 1112 resource_size_t cpu_phy_addr) 1113 { 1114 struct device *dev = pci->dev; 1115 struct device_node *np = dev->of_node; 1116 int index; 1117 u64 reg_addr, fixup_addr; 1118 u64 (*fixup)(struct dw_pcie *pcie, u64 cpu_addr); 1119 1120 /* Look up reg_name address on parent bus */ 1121 index = of_property_match_string(np, "reg-names", reg_name); 1122 1123 if (index < 0) { 1124 dev_err(dev, "No %s in devicetree \"reg\" property\n", reg_name); 1125 return 0; 1126 } 1127 1128 of_property_read_reg(np, index, ®_addr, NULL); 1129 > 1130 fixup = pci->ops ? pci->ops->cpu_addr_fixup : 0; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
