3  * KUnit test for KUnit platform driver infrastructure.
9 #include <kunit/test.h>
12  * Test that kunit_platform_device_alloc() creates a platform device.
14 static void kunit_platform_device_alloc_test(struct kunit *test)  in kunit_platform_device_alloc_test()  argument
16 	KUNIT_EXPECT_NOT_ERR_OR_NULL(test,  in kunit_platform_device_alloc_test()
17 			kunit_platform_device_alloc(test, "kunit-platform", 1));  in kunit_platform_device_alloc_test()
21  * Test that kunit_platform_device_add() registers a platform device on the
24 static void kunit_platform_device_add_test(struct kunit *test)  in kunit_platform_device_add_test()  argument
30 	pdev = kunit_platform_device_alloc(test, name, id);  in kunit_platform_device_add_test()
31 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);  in kunit_platform_device_add_test()
33 	KUNIT_EXPECT_EQ(test, 0, kunit_platform_device_add(test, pdev));  in kunit_platform_device_add_test()
34 	KUNIT_EXPECT_TRUE(test, dev_is_platform(&pdev->dev));  in kunit_platform_device_add_test()
35 	KUNIT_EXPECT_STREQ(test, pdev->name, name);  in kunit_platform_device_add_test()
36 	KUNIT_EXPECT_EQ(test, pdev->id, id);  in kunit_platform_device_add_test()
40  * Test that kunit_platform_device_add() called twice with the same device name
43 static void kunit_platform_device_add_twice_fails_test(struct kunit *test)  in kunit_platform_device_add_twice_fails_test()  argument
49 	pdev = kunit_platform_device_alloc(test, name, id);  in kunit_platform_device_add_twice_fails_test()
50 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);  in kunit_platform_device_add_twice_fails_test()
51 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_add(test, pdev));  in kunit_platform_device_add_twice_fails_test()
53 	pdev = kunit_platform_device_alloc(test, name, id);  in kunit_platform_device_add_twice_fails_test()
54 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);  in kunit_platform_device_add_twice_fails_test()
56 	KUNIT_EXPECT_NE(test, 0, kunit_platform_device_add(test, pdev));  in kunit_platform_device_add_twice_fails_test()
65  * Test that kunit_platform_device_add() cleans up by removing the platform
66  * device when the test finishes. */
67 static void kunit_platform_device_add_cleans_up(struct kunit *test)  in kunit_platform_device_add_cleans_up()  argument
76 	KUNIT_ASSERT_EQ(test, fake.status, KUNIT_SUCCESS);  in kunit_platform_device_add_cleans_up()
79 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);  in kunit_platform_device_add_cleans_up()
80 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_add(&fake, pdev));  in kunit_platform_device_add_cleans_up()
83 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);  in kunit_platform_device_add_cleans_up()
93 	 * is wrong we'll see a refcount underflow here. We can't test for a  in kunit_platform_device_add_cleans_up()
100 	KUNIT_EXPECT_PTR_EQ(test, NULL, dev);  in kunit_platform_device_add_cleans_up()
105  * Test suite for struct platform_device kunit APIs
125 static const char * const test_data = "test data";
145 /* Test that kunit_platform_driver_register() registers a driver that probes. */
146 static void kunit_platform_driver_register_test(struct kunit *test)  in kunit_platform_driver_register_test()  argument
153 	ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);  in kunit_platform_driver_register_test()
154 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);  in kunit_platform_driver_register_test()
156 	pdev = kunit_platform_device_alloc(test, name, -1);  in kunit_platform_driver_register_test()
157 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);  in kunit_platform_driver_register_test()
158 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_add(test, pdev));  in kunit_platform_driver_register_test()
164 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_prepare_wait_for_probe(test, pdev, &comp));  in kunit_platform_driver_register_test()
166 	KUNIT_EXPECT_EQ(test, 0, kunit_platform_driver_register(test, &ctx->pdrv));  in kunit_platform_driver_register_test()
167 	KUNIT_EXPECT_NE(test, 0, wait_for_completion_timeout(&comp, 3 * HZ));  in kunit_platform_driver_register_test()
168 	KUNIT_EXPECT_STREQ(test, ctx->data, test_data);  in kunit_platform_driver_register_test()
172  * Test that kunit_platform_device_prepare_wait_for_probe() completes the completion
175 …void kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed(struct kunit *test)  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()  argument
182 	ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
183 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
185 	pdev = kunit_platform_device_alloc(test, name, -1);  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
186 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
187 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_add(test, pdev));  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
194 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_prepare_wait_for_probe(test, pdev, &comp));  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
195 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_driver_register(test, &ctx->pdrv));  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
196 	KUNIT_ASSERT_NE(test, 0, wait_for_completion_timeout(&comp, 3 * HZ));  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
199 	KUNIT_ASSERT_EQ(test, 0, kunit_platform_device_prepare_wait_for_probe(test, pdev, &comp));  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
201 	KUNIT_EXPECT_NE(test, 0, wait_for_completion_timeout(&comp, HZ));  in kunit_platform_device_prepare_wait_for_probe_completes_when_already_probed()
211  * Test suite for struct platform_driver kunit APIs
224 MODULE_DESCRIPTION("KUnit test for KUnit platform driver infrastructure");