diff options
| -rw-r--r-- | drivers/of/selftest.c | 46 | ||||
| -rw-r--r-- | drivers/of/testcase-data/tests-phandle.dtsi | 6 |
2 files changed, 51 insertions, 1 deletions
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index 2588faaaa305..077314eebb95 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -31,6 +31,51 @@ static struct selftest_results { } \ } +static void __init of_selftest_find_node_by_name(void) +{ + struct device_node *np; + + np = of_find_node_by_path("/testcase-data"); + selftest(np && !strcmp("/testcase-data", np->full_name), + "find /testcase-data failed\n"); + of_node_put(np); + + /* Test if trailing '/' works */ + np = of_find_node_by_path("/testcase-data/"); + selftest(!np, "trailing '/' on /testcase-data/ should fail\n"); + + np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); + selftest(np && !strcmp("/testcase-data/phandle-tests/consumer-a", np->full_name), + "find /testcase-data/phandle-tests/consumer-a failed\n"); + of_node_put(np); + + np = of_find_node_by_path("testcase-alias"); + selftest(np && !strcmp("/testcase-data", np->full_name), + "find testcase-alias failed\n"); + of_node_put(np); + + /* Test if trailing '/' works on aliases */ + np = of_find_node_by_path("testcase-alias/"); + selftest(!np, "trailing '/' on testcase-alias/ should fail\n"); + + np = of_find_node_by_path("testcase-alias/phandle-tests/consumer-a"); + selftest(np && !strcmp("/testcase-data/phandle-tests/consumer-a", np->full_name), + "find testcase-alias/phandle-tests/consumer-a failed\n"); + of_node_put(np); + + np = of_find_node_by_path("/testcase-data/missing-path"); + selftest(!np, "non-existent path returned node %s\n", np->full_name); + of_node_put(np); + + np = of_find_node_by_path("missing-alias"); + selftest(!np, "non-existent alias returned node %s\n", np->full_name); + of_node_put(np); + + np = of_find_node_by_path("testcase-alias/missing-path"); + selftest(!np, "non-existent alias with relative path returned node %s\n", np->full_name); + of_node_put(np); +} + static void __init of_selftest_dynamic(void) { struct device_node *np; @@ -484,6 +529,7 @@ static int __init of_selftest(void) of_node_put(np); pr_info("start of selftest - you will see error messages\n"); + of_selftest_find_node_by_name(); of_selftest_dynamic(); of_selftest_parse_phandle_with_args(); of_selftest_property_match_string(); diff --git a/drivers/of/testcase-data/tests-phandle.dtsi b/drivers/of/testcase-data/tests-phandle.dtsi index 788a4c24b8f5..ce0fe083d406 100644 --- a/drivers/of/testcase-data/tests-phandle.dtsi +++ b/drivers/of/testcase-data/tests-phandle.dtsi @@ -1,6 +1,10 @@ / { - testcase-data { + aliases { + testcase-alias = &testcase; + }; + + testcase: testcase-data { security-password = "password"; duplicate-name = "duplicate"; duplicate-name { }; |