diff options
Diffstat (limited to 'drivers/of/selftest.c')
| -rw-r--r-- | drivers/of/selftest.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c deleted file mode 100644 index 0eb5c38b4e07..000000000000 --- a/drivers/of/selftest.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Self tests for device tree subsystem - */ - -#define pr_fmt(fmt) "### dt-test ### " fmt - -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/slab.h> -#include <linux/device.h> - -static bool selftest_passed = true; -#define selftest(result, fmt, ...) { \ - if (!(result)) { \ - pr_err("FAIL %s:%i " fmt, __FILE__, __LINE__, ##__VA_ARGS__); \ - selftest_passed = false; \ - } else { \ - pr_info("pass %s:%i\n", __FILE__, __LINE__); \ - } \ -} - -static void __init of_selftest_parse_phandle_with_args(void) -{ - struct device_node *np; - struct of_phandle_args args; - int i, rc; - - np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); - if (!np) { - pr_err("missing testcase data\n"); - return; - } - - rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells"); - selftest(rc == 7, "of_count_phandle_with_args() returned %i, expected 7\n", rc); - - for (i = 0; i < 8; i++) { - bool passed = true; - rc = of_parse_phandle_with_args(np, "phandle-list", - "#phandle-cells", i, &args); - - /* Test the values from tests-phandle.dtsi */ - switch (i) { - case 0: - passed &= !rc; - passed &= (args.args_count == 1); - passed &= (args.args[0] == (i + 1)); - break; - case 1: - passed &= !rc; - passed &= (args.args_count == 2); - passed &= (args.args[0] == (i + 1)); - passed &= (args.args[1] == 0); - break; - case 2: - passed &= (rc == -ENOENT); - break; - case 3: - passed &= !rc; - passed &= (args.args_count == 3); - passed &= (args.args[0] == (i + 1)); - passed &= (args.args[1] == 4); - passed &= (args.args[2] == 3); - break; - case 4: - passed &= !rc; - passed &= (args.args_count == 2); - passed &= (args.args[0] == (i + 1)); - passed &= (args.args[1] == 100); - break; - case 5: - passed &= !rc; - passed &= (args.args_count == 0); - break; - case 6: - passed &= !rc; - passed &= (args.args_count == 1); - passed &= (args.args[0] == (i + 1)); - break; - case 7: - passed &= (rc == -ENOENT); - break; - default: - passed = false; - } - - selftest(passed, "index %i - data error on node %s rc=%i\n", - i, args.np->full_name, rc); - } - - /* Check for missing list property */ - rc = of_parse_phandle_with_args(np, "phandle-list-missing", - "#phandle-cells", 0, &args); - selftest(rc == -ENOENT, "expected:%i got:%i\n", -ENOENT, rc); - rc = of_count_phandle_with_args(np, "phandle-list-missing", - "#phandle-cells"); - selftest(rc == -ENOENT, "expected:%i got:%i\n", -ENOENT, rc); - - /* Check for missing cells property */ - rc = of_parse_phandle_with_args(np, "phandle-list", - "#phandle-cells-missing", 0, &args); - selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); - rc = of_count_phandle_with_args(np, "phandle-list", - "#phandle-cells-missing"); - selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); - - /* Check for bad phandle in list */ - rc = of_parse_phandle_with_args(np, "phandle-list-bad-phandle", - "#phandle-cells", 0, &args); - selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); - rc = of_count_phandle_with_args(np, "phandle-list-bad-phandle", - "#phandle-cells"); - selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); - - /* Check for incorrectly formed argument list */ - rc = of_parse_phandle_with_args(np, "phandle-list-bad-args", - "#phandle-cells", 1, &args); - selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); - rc = of_count_phandle_with_args(np, "phandle-list-bad-args", - "#phandle-cells"); - selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); -} - -static void __init of_selftest_property_match_string(void) -{ - struct device_node *np; - int rc; - - pr_info("start\n"); - np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); - if (!np) { - pr_err("No testcase data in device tree\n"); - return; - } - - rc = of_property_match_string(np, "phandle-list-names", "first"); - selftest(rc == 0, "first expected:0 got:%i\n", rc); - rc = of_property_match_string(np, "phandle-list-names", "second"); - selftest(rc == 1, "second expected:0 got:%i\n", rc); - rc = of_property_match_string(np, "phandle-list-names", "third"); - selftest(rc == 2, "third expected:0 got:%i\n", rc); - rc = of_property_match_string(np, "phandle-list-names", "fourth"); - selftest(rc == -ENODATA, "unmatched string; rc=%i", rc); - rc = of_property_match_string(np, "missing-property", "blah"); - selftest(rc == -EINVAL, "missing property; rc=%i", rc); - rc = of_property_match_string(np, "empty-property", "blah"); - selftest(rc == -ENODATA, "empty property; rc=%i", rc); - rc = of_property_match_string(np, "unterminated-string", "blah"); - selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc); -} - -static int __init of_selftest(void) -{ - struct device_node *np; - - np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); - if (!np) { - pr_info("No testcase data in device tree; not running tests\n"); - return 0; - } - of_node_put(np); - - pr_info("start of selftest - you will see error messages\n"); - of_selftest_parse_phandle_with_args(); - of_selftest_property_match_string(); - pr_info("end of selftest - %s\n", selftest_passed ? "PASS" : "FAIL"); - return 0; -} -late_initcall(of_selftest); |