3  * KUnit test for clk fixed rate basic type
15 #include <kunit/test.h>
77  * clk_hw_register_fixed_rate_kunit() - Test managed __clk_hw_register_fixed_rate()
78  * @test: The test context
84 clk_hw_register_fixed_rate_kunit(struct kunit *test,  in clk_hw_register_fixed_rate_kunit()  argument
89 	hw = kunit_alloc_resource(test,  in clk_hw_register_fixed_rate_kunit()
100  * clk_hw_unregister_fixed_rate_kunit() - Test managed clk_hw_unregister_fixed_rate()
101  * @test: The test context
102  * @hw: fixed rate clk to unregister upon test completion
104  * Automatically unregister @hw when @test is complete via
109 static int clk_hw_unregister_fixed_rate_kunit(struct kunit *test, struct clk_hw *hw)  in clk_hw_unregister_fixed_rate_kunit()  argument
111 	if (!kunit_alloc_resource(test, NULL,  in clk_hw_unregister_fixed_rate_kunit()
120  * Test that clk_get_rate() on a fixed rate clk registered with
123 static void clk_fixed_rate_rate_test(struct kunit *test)  in clk_fixed_rate_rate_test()  argument
129 	hw = clk_hw_register_fixed_rate(NULL, "test-fixed-rate", NULL, 0, fixed_rate);  in clk_fixed_rate_rate_test()
130 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw);  in clk_fixed_rate_rate_test()
131 	KUNIT_ASSERT_EQ(test, 0, clk_hw_unregister_fixed_rate_kunit(test, hw));  in clk_fixed_rate_rate_test()
133 	clk = clk_hw_get_clk_prepared_enabled_kunit(test, hw, __func__);  in clk_fixed_rate_rate_test()
134 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_rate_test()
136 	KUNIT_EXPECT_EQ(test, fixed_rate, clk_get_rate(clk));  in clk_fixed_rate_rate_test()
140  * Test that clk_get_accuracy() on a fixed rate clk registered via
143 static void clk_fixed_rate_accuracy_test(struct kunit *test)  in clk_fixed_rate_accuracy_test()  argument
149 	hw = clk_hw_register_fixed_rate_with_accuracy(NULL, "test-fixed-rate",  in clk_fixed_rate_accuracy_test()
152 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw);  in clk_fixed_rate_accuracy_test()
153 	KUNIT_ASSERT_EQ(test, 0, clk_hw_unregister_fixed_rate_kunit(test, hw));  in clk_fixed_rate_accuracy_test()
155 	clk = clk_hw_get_clk_kunit(test, hw, __func__);  in clk_fixed_rate_accuracy_test()
156 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_accuracy_test()
158 	KUNIT_EXPECT_EQ(test, fixed_accuracy, clk_get_accuracy(clk));  in clk_fixed_rate_accuracy_test()
161 /* Test suite for a fixed rate clk without any parent */
174  * Test that clk_get_parent() on a fixed rate clk gets the proper parent.
176 static void clk_fixed_rate_parent_test(struct kunit *test)  in clk_fixed_rate_parent_test()  argument
181 	const char *parent_name = "test-fixed-rate-parent";  in clk_fixed_rate_parent_test()
186 	parent_hw = clk_hw_register_fixed_rate_kunit(test, &parent_params);  in clk_fixed_rate_parent_test()
187 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent_hw);  in clk_fixed_rate_parent_test()
188 	KUNIT_ASSERT_STREQ(test, parent_name, clk_hw_get_name(parent_hw));  in clk_fixed_rate_parent_test()
190 	expected_parent = clk_hw_get_clk_kunit(test, parent_hw, __func__);  in clk_fixed_rate_parent_test()
191 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, expected_parent);  in clk_fixed_rate_parent_test()
193 	hw = clk_hw_register_fixed_rate(NULL, "test-fixed-rate", parent_name, 0, 0);  in clk_fixed_rate_parent_test()
194 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw);  in clk_fixed_rate_parent_test()
195 	KUNIT_ASSERT_EQ(test, 0, clk_hw_unregister_fixed_rate_kunit(test, hw));  in clk_fixed_rate_parent_test()
197 	clk = clk_hw_get_clk_kunit(test, hw, __func__);  in clk_fixed_rate_parent_test()
198 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_parent_test()
201 	KUNIT_EXPECT_TRUE(test, clk_is_match(expected_parent, actual_parent));  in clk_fixed_rate_parent_test()
205  * Test that clk_get_rate() on a fixed rate clk ignores the parent rate.
207 static void clk_fixed_rate_parent_rate_test(struct kunit *test)  in clk_fixed_rate_parent_rate_test()  argument
213 	const char *parent_name = "test-fixed-rate-parent";  in clk_fixed_rate_parent_rate_test()
219 	parent_hw = clk_hw_register_fixed_rate_kunit(test, &parent_params);  in clk_fixed_rate_parent_rate_test()
220 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent_hw);  in clk_fixed_rate_parent_rate_test()
221 	KUNIT_ASSERT_STREQ(test, parent_name, clk_hw_get_name(parent_hw));  in clk_fixed_rate_parent_rate_test()
223 	hw = clk_hw_register_fixed_rate(NULL, "test-fixed-rate", parent_name, 0,  in clk_fixed_rate_parent_rate_test()
225 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw);  in clk_fixed_rate_parent_rate_test()
226 	KUNIT_ASSERT_EQ(test, 0, clk_hw_unregister_fixed_rate_kunit(test, hw));  in clk_fixed_rate_parent_rate_test()
228 	clk = clk_hw_get_clk_prepared_enabled_kunit(test, hw, __func__);  in clk_fixed_rate_parent_rate_test()
229 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_parent_rate_test()
231 	KUNIT_EXPECT_EQ(test, expected_rate, clk_get_rate(clk));  in clk_fixed_rate_parent_rate_test()
235  * Test that clk_get_accuracy() on a fixed rate clk ignores the parent accuracy.
237 static void clk_fixed_rate_parent_accuracy_test(struct kunit *test)  in clk_fixed_rate_parent_accuracy_test()  argument
243 	const char *parent_name = "test-fixed-rate-parent";  in clk_fixed_rate_parent_accuracy_test()
249 	parent_hw = clk_hw_register_fixed_rate_kunit(test, &parent_params);  in clk_fixed_rate_parent_accuracy_test()
250 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent_hw);  in clk_fixed_rate_parent_accuracy_test()
251 	KUNIT_ASSERT_STREQ(test, parent_name, clk_hw_get_name(parent_hw));  in clk_fixed_rate_parent_accuracy_test()
253 	hw = clk_hw_register_fixed_rate_with_accuracy(NULL, "test-fixed-rate",  in clk_fixed_rate_parent_accuracy_test()
256 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw);  in clk_fixed_rate_parent_accuracy_test()
257 	KUNIT_ASSERT_EQ(test, 0, clk_hw_unregister_fixed_rate_kunit(test, hw));  in clk_fixed_rate_parent_accuracy_test()
259 	clk = clk_hw_get_clk_kunit(test, hw, __func__);  in clk_fixed_rate_parent_accuracy_test()
260 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_parent_accuracy_test()
262 	KUNIT_EXPECT_EQ(test, expected_accuracy, clk_get_accuracy(clk));  in clk_fixed_rate_parent_accuracy_test()
265 /* Test suite for a fixed rate clk with a parent */
293  * Test that of_fixed_clk_setup() registers a fixed rate clk with the proper
296 static void clk_fixed_rate_of_probe_test(struct kunit *test)  in clk_fixed_rate_of_probe_test()  argument
298 	struct clk_fixed_rate_of_test_context *ctx = test->priv;  in clk_fixed_rate_of_probe_test()
302 	clk = clk_get_kunit(test, dev, NULL);  in clk_fixed_rate_of_probe_test()
303 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_of_probe_test()
305 	KUNIT_ASSERT_EQ(test, 0, clk_prepare_enable_kunit(test, clk));  in clk_fixed_rate_of_probe_test()
306 	KUNIT_EXPECT_EQ(test, TEST_FIXED_FREQUENCY, clk_get_rate(clk));  in clk_fixed_rate_of_probe_test()
310  * Test that of_fixed_clk_setup() registers a fixed rate clk with the proper
313 static void clk_fixed_rate_of_accuracy_test(struct kunit *test)  in clk_fixed_rate_of_accuracy_test()  argument
315 	struct clk_fixed_rate_of_test_context *ctx = test->priv;  in clk_fixed_rate_of_accuracy_test()
319 	clk = clk_get_kunit(test, dev, NULL);  in clk_fixed_rate_of_accuracy_test()
320 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, clk);  in clk_fixed_rate_of_accuracy_test()
322 	KUNIT_EXPECT_EQ(test, TEST_FIXED_ACCURACY, clk_get_accuracy(clk));  in clk_fixed_rate_of_accuracy_test()
342 static int clk_fixed_rate_of_init(struct kunit *test)  in clk_fixed_rate_of_init()  argument
346 		{ .compatible = "test,single-clk-consumer" },  in clk_fixed_rate_of_init()
350 	KUNIT_ASSERT_EQ(test, 0, of_overlay_apply_kunit(test, kunit_clk_fixed_rate_test));  in clk_fixed_rate_of_init()
352 	ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);  in clk_fixed_rate_of_init()
353 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);  in clk_fixed_rate_of_init()
354 	test->priv = ctx;  in clk_fixed_rate_of_init()
362 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_driver_register(test, &ctx->pdrv));  in clk_fixed_rate_of_init()
363 	KUNIT_ASSERT_NE(test, 0, wait_for_completion_timeout(&ctx->probed, HZ));  in clk_fixed_rate_of_init()
380 MODULE_DESCRIPTION("KUnit test for clk fixed rate basic type");