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path: root/drivers/of/selftest.c
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Diffstat (limited to 'drivers/of/selftest.c')
-rw-r--r--drivers/of/selftest.c54
1 files changed, 30 insertions, 24 deletions
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index f24ffd7088d2..0eb5c38b4e07 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -2,7 +2,7 @@
* Self tests for device tree subsystem
*/
-#define pr_fmt(fmt) "### %s(): " fmt, __func__
+#define pr_fmt(fmt) "### dt-test ### " fmt
#include <linux/clk.h>
#include <linux/err.h>
@@ -16,26 +16,30 @@
static bool selftest_passed = true;
#define selftest(result, fmt, ...) { \
- selftest_passed &= (result); \
- if (!(result)) \
+ 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 rc, i;
- bool passed_all = true;
+ int i, rc;
- pr_info("start\n");
np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
if (!np) {
pr_err("missing testcase data\n");
return;
}
- for (i = 0; i < 7; i++) {
+ 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);
@@ -79,45 +83,47 @@ static void __init of_selftest_parse_phandle_with_args(void)
passed &= (args.args[0] == (i + 1));
break;
case 7:
- passed &= (rc == -EINVAL);
+ passed &= (rc == -ENOENT);
break;
default:
passed = false;
}
- if (!passed) {
- int j;
- pr_err("index %i - data error on node %s rc=%i regs=[",
- i, args.np->full_name, rc);
- for (j = 0; j < args.args_count; j++)
- printk(" %i", args.args[j]);
- printk(" ]\n");
-
- passed_all = 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);
- passed_all &= (rc == -EINVAL);
+ 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);
- passed_all &= (rc == -EINVAL);
+ 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);
- passed_all &= (rc == -EINVAL);
+ 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);
- passed_all &= (rc == -EINVAL);
-
- pr_info("end - %s\n", passed_all ? "PASS" : "FAIL");
+ 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)