diff options
Diffstat (limited to 'drivers/of/unittest.c')
| -rw-r--r-- | drivers/of/unittest.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index ad2b7879cc67..e9e90e96600e 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1186,6 +1186,82 @@ static void __init of_unittest_reg(void) of_node_put(np); } +struct of_unittest_expected_res { + int index; + struct resource res; +}; + +static void __init of_unittest_check_addr(const char *node_path, + const struct of_unittest_expected_res *tab_exp, + unsigned int tab_exp_count) +{ + const struct of_unittest_expected_res *expected; + struct device_node *np; + struct resource res; + unsigned int count; + int ret; + + if (!IS_ENABLED(CONFIG_OF_ADDRESS)) + return; + + np = of_find_node_by_path(node_path); + if (!np) { + pr_err("missing testcase data (%s)\n", node_path); + return; + } + + expected = tab_exp; + count = tab_exp_count; + while (count--) { + ret = of_address_to_resource(np, expected->index, &res); + unittest(!ret, "of_address_to_resource(%pOF, %d) returned error %d\n", + np, expected->index, ret); + unittest(resource_type(&res) == resource_type(&expected->res) && + res.start == expected->res.start && + resource_size(&res) == resource_size(&expected->res), + "of_address_to_resource(%pOF, %d) wrong resource %pR, expected %pR\n", + np, expected->index, &res, &expected->res); + expected++; + } + + of_node_put(np); +} + +static const struct of_unittest_expected_res of_unittest_reg_2cell_expected_res[] = { + {.index = 0, .res = DEFINE_RES_MEM(0xa0a01000, 0x100) }, + {.index = 1, .res = DEFINE_RES_MEM(0xa0a02000, 0x100) }, + {.index = 2, .res = DEFINE_RES_MEM(0xc0c01000, 0x100) }, + {.index = 3, .res = DEFINE_RES_MEM(0xd0d01000, 0x100) }, +}; + +static const struct of_unittest_expected_res of_unittest_reg_3cell_expected_res[] = { + {.index = 0, .res = DEFINE_RES_MEM(0xa0a01000, 0x100) }, + {.index = 1, .res = DEFINE_RES_MEM(0xa0b02000, 0x100) }, + {.index = 2, .res = DEFINE_RES_MEM(0xc0c01000, 0x100) }, + {.index = 3, .res = DEFINE_RES_MEM(0xc0c09000, 0x100) }, + {.index = 4, .res = DEFINE_RES_MEM(0xd0d01000, 0x100) }, +}; + +static const struct of_unittest_expected_res of_unittest_reg_pci_expected_res[] = { + {.index = 0, .res = DEFINE_RES_MEM(0xe8001000, 0x1000) }, + {.index = 1, .res = DEFINE_RES_MEM(0xea002000, 0x2000) }, +}; + +static void __init of_unittest_translate_addr(void) +{ + of_unittest_check_addr("/testcase-data/address-tests2/bus-2cell@10000000/device@100000", + of_unittest_reg_2cell_expected_res, + ARRAY_SIZE(of_unittest_reg_2cell_expected_res)); + + of_unittest_check_addr("/testcase-data/address-tests2/bus-3cell@20000000/local-bus@100000/device@f1001000", + of_unittest_reg_3cell_expected_res, + ARRAY_SIZE(of_unittest_reg_3cell_expected_res)); + + of_unittest_check_addr("/testcase-data/address-tests2/pcie@d1070000/pci@0,0/dev@0,0/local-bus@0/dev@e0000000", + of_unittest_reg_pci_expected_res, + ARRAY_SIZE(of_unittest_reg_pci_expected_res)); +} + static void __init of_unittest_parse_interrupts(void) { struct device_node *np; @@ -4034,6 +4110,7 @@ static int __init of_unittest(void) of_unittest_bus_ranges(); of_unittest_bus_3cell_ranges(); of_unittest_reg(); + of_unittest_translate_addr(); of_unittest_match_node(); of_unittest_platform_populate(); of_unittest_overlay(); |