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authorGrant Likely <grant.likely@linaro.org>2013-10-11 23:04:23 +0200
committerGrant Likely <grant.likely@linaro.org>2013-10-24 12:43:21 +0200
commita9f10ca76d784023fc45f01f025b54e9960f4ec1 (patch)
treee109b0adf32531c8c45c1426a3da25154b1dc165 /drivers/of/selftest.c
parentof: Add helper for printing an of_phandle_args structure (diff)
downloadlinux-a9f10ca76d784023fc45f01f025b54e9960f4ec1.tar.xz
linux-a9f10ca76d784023fc45f01f025b54e9960f4ec1.zip
of: Add testcases for interrupt parsing
This patch extends the DT selftest code with some test cases for the interrupt parsing functions. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/of/selftest.c')
-rw-r--r--drivers/of/selftest.c91
1 files changed, 85 insertions, 6 deletions
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index 0eb5c38b4e07..9c80f0b7556b 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -9,18 +9,24 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/device.h>
-static bool selftest_passed = true;
+static struct selftest_results {
+ int passed;
+ int failed;
+} selftest_results;
+
#define selftest(result, fmt, ...) { \
if (!(result)) { \
- pr_err("FAIL %s:%i " fmt, __FILE__, __LINE__, ##__VA_ARGS__); \
- selftest_passed = false; \
+ selftest_results.failed++; \
+ pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \
} else { \
- pr_info("pass %s:%i\n", __FILE__, __LINE__); \
+ selftest_results.passed++; \
+ pr_debug("pass %s():%i\n", __func__, __LINE__); \
} \
}
@@ -131,7 +137,6 @@ 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");
@@ -154,6 +159,78 @@ static void __init of_selftest_property_match_string(void)
selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc);
}
+static void __init of_selftest_parse_interrupts(void)
+{
+ struct device_node *np;
+ struct of_phandle_args args;
+ int i, rc;
+
+ np = of_find_node_by_path("/testcase-data/interrupts/interrupts0");
+ if (!np) {
+ pr_err("missing testcase data\n");
+ return;
+ }
+
+ for (i = 0; i < 4; i++) {
+ bool passed = true;
+ args.args_count = 0;
+ rc = of_irq_parse_one(np, i, &args);
+
+ passed &= !rc;
+ passed &= (args.args_count == 1);
+ passed &= (args.args[0] == (i + 1));
+
+ selftest(passed, "index %i - data error on node %s rc=%i\n",
+ i, args.np->full_name, rc);
+ }
+ of_node_put(np);
+
+ np = of_find_node_by_path("/testcase-data/interrupts/interrupts1");
+ if (!np) {
+ pr_err("missing testcase data\n");
+ return;
+ }
+
+ for (i = 0; i < 4; i++) {
+ bool passed = true;
+ args.args_count = 0;
+ rc = of_irq_parse_one(np, i, &args);
+
+ /* Test the values from tests-phandle.dtsi */
+ switch (i) {
+ case 0:
+ passed &= !rc;
+ passed &= (args.args_count == 1);
+ passed &= (args.args[0] == 9);
+ break;
+ case 1:
+ passed &= !rc;
+ passed &= (args.args_count == 3);
+ passed &= (args.args[0] == 10);
+ passed &= (args.args[1] == 11);
+ passed &= (args.args[2] == 12);
+ break;
+ case 2:
+ passed &= !rc;
+ passed &= (args.args_count == 2);
+ passed &= (args.args[0] == 13);
+ passed &= (args.args[1] == 14);
+ break;
+ case 3:
+ passed &= !rc;
+ passed &= (args.args_count == 2);
+ passed &= (args.args[0] == 15);
+ passed &= (args.args[1] == 16);
+ break;
+ default:
+ passed = false;
+ }
+ selftest(passed, "index %i - data error on node %s rc=%i\n",
+ i, args.np->full_name, rc);
+ }
+ of_node_put(np);
+}
+
static int __init of_selftest(void)
{
struct device_node *np;
@@ -168,7 +245,9 @@ static int __init of_selftest(void)
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");
+ of_selftest_parse_interrupts();
+ pr_info("end of selftest - %i passed, %i failed\n",
+ selftest_results.passed, selftest_results.failed);
return 0;
}
late_initcall(of_selftest);