tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 13706c950ff941dc015e16f76812077f9861e378 commit: db5bb24abc8dd120fd81b7ce21819e96578d011e [777/13930] LoongArch: Old BPI compatibility config: loongarch-randconfig-r133-20240913 (https://download.01.org/0day-ci/archive/20240914/202409140536.RxJEdWyM-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce: (https://download.01.org/0day-ci/archive/20240914/202409140536.RxJEdWyM-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202409140536.RxJEdWyM-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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arch/loongarch/kernel/legacy_boot.c:39:19: sparse: sparse: symbol 'liointc_domain' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:40:19: sparse: sparse: symbol 'pch_lpc_domain' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:41:19: sparse: sparse: symbol 'pch_msi_domain' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:42:19: sparse: sparse: symbol 'pch_pic_domain' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:45:5: sparse: sparse: symbol 'nr_io_pics' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:48:26: sparse: sparse: symbol 'liointc_default' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:55:26: sparse: sparse: symbol 'pchlpc_default' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:61:26: sparse: sparse: symbol 'eiointc_default' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:62:26: sparse: sparse: symbol 'pchmsi_default' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:63:26: sparse: sparse: symbol 'pchpic_default' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:94:6: sparse: sparse: symbol 'register_default_pic' was not declared. Should it be static? arch/loongarch/kernel/legacy_boot.c:341:14: sparse: sparse: symbol 'bpi_init' was not declared. Should it be static?

vim +/liointc_domain +39 arch/loongarch/kernel/legacy_boot.c 37 38 struct irq_domain *cpu_domain;

39 struct irq_domain *liointc_domain; 40 struct irq_domain *pch_lpc_domain; 41 struct irq_domain *pch_msi_domain[MAX_IO_PICS]; 42 struct irq_domain *pch_pic_domain[MAX_IO_PICS]; 43 44 char arcs_cmdline[COMMAND_LINE_SIZE]; 45 int nr_io_pics; 46 int bpi_version; 47 48 struct acpi_madt_lio_pic liointc_default = { 49 .address = LOONGSON_REG_BASE + 0x1400, 50 .size = 256, 51 .cascade = {2, 3}, 52 .cascade_map = {0x00FFFFFF, 0xff000000}, 53 }; 54 55 struct acpi_madt_lpc_pic pchlpc_default = { 56 .address = LS7A_LPC_REG_BASE, 57 .size = SZ_4K, 58 .cascade = 19, 59 }; 60 61 struct acpi_madt_eio_pic eiointc_default[MAX_IO_PICS]; 62 struct acpi_madt_msi_pic pchmsi_default[MAX_IO_PICS]; 63 struct acpi_madt_bio_pic pchpic_default[MAX_IO_PICS]; 64 65 static int 66 acpi_parse_lapic(union acpi_subtable_headers *header, const unsigned long end) 67 { 68 struct acpi_madt_local_apic *processor = NULL; 69 70 processor = (struct acpi_madt_local_apic *)header; 71 if (BAD_MADT_ENTRY(processor, end)) 72 return -EINVAL; 73 74 acpi_table_print_madt_entry(&header->common); 75 set_processor_mask(processor->id, processor->lapic_flags); 76 77 return 0; 78 } 79 80 static int bad_pch_pic(unsigned long address) 81 { 82 if (nr_io_pics >= MAX_IO_PICS) { 83 pr_warn("WARNING: Max # of I/O PCH_PICs (%d) exceeded (found %d), skipping\n", 84 MAX_IO_PICS, nr_io_pics); 85 return 1; 86 } 87 if (!address) { 88 pr_warn("WARNING: Bogus (zero) I/O PCH_PIC address found in table, skipping!\n"); 89 return 1; 90 } 91 return 0; 92 } 93 94 void register_default_pic(int id, u32 address, u32 irq_base) 95 { 96 int idx, entries; 97 unsigned long addr; 98 99 if (bad_pch_pic(address)) 100 return; 101 102 idx = nr_io_pics; 103 104 pchpic_default[idx].address = address; 105 if (idx) 106 pchpic_default[idx].address |= nid_to_addrbase(id) | HT1LO_OFFSET; 107 pchpic_default[idx].id = id; 108 pchpic_default[idx].version = 0; 109 pchpic_default[idx].size = 0x1000; 110 pchpic_default[idx].gsi_base = irq_base; 111 112 msi_group[nr_io_pics].pci_segment = nr_io_pics; 113 pch_group[nr_io_pics].node = msi_group[nr_io_pics].node = id; 114 115 addr = pchpic_default[idx].address; 116 /* Read INT_ID.int_num */ 117 entries = (((unsigned long)ls7a_readq(addr) >> 48) & 0xff) + 1; 118 pchmsi_default[idx].msg_address = MSI_MSG_ADDRESS; 119 pchmsi_default[idx].start = entries; 120 pchmsi_default[idx].count = MSI_MSG_DEFAULT_COUNT; 121 122 eiointc_default[idx].cascade = 3; 123 eiointc_default[idx].node = id; 124 eiointc_default[idx].node_map = 1; 125 126 if (idx) { 127 eiointc_default[idx].cascade = 0x4; 128 eiointc_default[0].node_map = 0x1DF; 129 eiointc_default[idx].node_map = 0xFE20; 130 } 131 132 acpi_pchpic[idx] = &pchpic_default[idx]; 133 acpi_pchmsi[idx] = &pchmsi_default[idx]; 134 acpi_eiointc[idx] = &eiointc_default[idx]; 135 136 nr_io_pics++; 137 } 138

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