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// SPDX-License-Identifier: GPL-2.0
/*
* KUnit tests for OF APIs
*/
#include <linux/module.h>
#include <linux/of.h>
#include <kunit/test.h>
/*
* Test that the root node "/" can be found by path.
*/
static void of_dtb_root_node_found_by_path(struct kunit *test)
{
struct device_node *np;
np = of_find_node_by_path("/");
KUNIT_EXPECT_NOT_ERR_OR_NULL(test, np);
of_node_put(np);
}
/*
* Test that the 'of_root' global variable is always populated when DT code is
* enabled. Remove this test once of_root is removed from global access.
*/
static void of_dtb_root_node_populates_of_root(struct kunit *test)
{
KUNIT_EXPECT_NOT_ERR_OR_NULL(test, of_root);
}
static struct kunit_case of_dtb_test_cases[] = {
KUNIT_CASE(of_dtb_root_node_found_by_path),
KUNIT_CASE(of_dtb_root_node_populates_of_root),
{}
};
static int of_dtb_test_init(struct kunit *test)
{
if (!IS_ENABLED(CONFIG_OF_EARLY_FLATTREE))
kunit_skip(test, "requires CONFIG_OF_EARLY_FLATTREE");
return 0;
}
/*
* Test suite to confirm a DTB is loaded.
*/
static struct kunit_suite of_dtb_suite = {
.name = "of_dtb",
.test_cases = of_dtb_test_cases,
.init = of_dtb_test_init,
};
kunit_test_suites(
&of_dtb_suite,
);
MODULE_DESCRIPTION("KUnit tests for OF APIs");
MODULE_LICENSE("GPL");
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