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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
1ca7e206 SG |
2 | /* |
3 | * Copyright (c) 2014 Google, Inc | |
1ca7e206 SG |
4 | */ |
5 | ||
6 | #include <common.h> | |
9f8037ea SG |
7 | #ifdef CONFIG_SANDBOX |
8 | #include <os.h> | |
9 | #endif | |
1ca7e206 | 10 | #include <dm.h> |
e59f458d | 11 | #include <dm/device-internal.h> |
1ca7e206 | 12 | #include <dm/test.h> |
cdc133bd | 13 | #include <dm/uclass-internal.h> |
1ca7e206 | 14 | #include <dm/util.h> |
e721b882 | 15 | #include <test/ut.h> |
1ca7e206 SG |
16 | |
17 | DECLARE_GLOBAL_DATA_PTR; | |
18 | ||
cdc133bd SG |
19 | struct dm_test_parent_platdata { |
20 | int count; | |
0118ce79 | 21 | int bind_flag; |
081f2fcb | 22 | int uclass_bind_flag; |
cdc133bd SG |
23 | }; |
24 | ||
a327dee0 SG |
25 | enum { |
26 | FLAG_CHILD_PROBED = 10, | |
27 | FLAG_CHILD_REMOVED = -7, | |
28 | }; | |
29 | ||
30 | static struct dm_test_state *test_state; | |
31 | ||
1ca7e206 SG |
32 | static int testbus_drv_probe(struct udevice *dev) |
33 | { | |
2e3f1ff6 | 34 | return dm_scan_fdt_dev(dev); |
1ca7e206 SG |
35 | } |
36 | ||
0118ce79 SG |
37 | static int testbus_child_post_bind(struct udevice *dev) |
38 | { | |
39 | struct dm_test_parent_platdata *plat; | |
40 | ||
41 | plat = dev_get_parent_platdata(dev); | |
42 | plat->bind_flag = 1; | |
081f2fcb | 43 | plat->uclass_bind_flag = 2; |
0118ce79 SG |
44 | |
45 | return 0; | |
46 | } | |
47 | ||
a327dee0 SG |
48 | static int testbus_child_pre_probe(struct udevice *dev) |
49 | { | |
bcbe3d15 | 50 | struct dm_test_parent_data *parent_data = dev_get_parent_priv(dev); |
a327dee0 SG |
51 | |
52 | parent_data->flag += FLAG_CHILD_PROBED; | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
83c7e434 SG |
57 | static int testbus_child_pre_probe_uclass(struct udevice *dev) |
58 | { | |
59 | struct dm_test_priv *priv = dev_get_priv(dev); | |
60 | ||
61 | priv->uclass_flag++; | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
a327dee0 SG |
66 | static int testbus_child_post_remove(struct udevice *dev) |
67 | { | |
bcbe3d15 | 68 | struct dm_test_parent_data *parent_data = dev_get_parent_priv(dev); |
a327dee0 SG |
69 | struct dm_test_state *dms = test_state; |
70 | ||
71 | parent_data->flag += FLAG_CHILD_REMOVED; | |
72 | if (dms) | |
73 | dms->removed = dev; | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
1ca7e206 SG |
78 | static const struct udevice_id testbus_ids[] = { |
79 | { | |
80 | .compatible = "denx,u-boot-test-bus", | |
81 | .data = DM_TEST_TYPE_FIRST }, | |
82 | { } | |
83 | }; | |
84 | ||
85 | U_BOOT_DRIVER(testbus_drv) = { | |
86 | .name = "testbus_drv", | |
87 | .of_match = testbus_ids, | |
88 | .id = UCLASS_TEST_BUS, | |
89 | .probe = testbus_drv_probe, | |
0118ce79 | 90 | .child_post_bind = testbus_child_post_bind, |
1ca7e206 SG |
91 | .priv_auto_alloc_size = sizeof(struct dm_test_priv), |
92 | .platdata_auto_alloc_size = sizeof(struct dm_test_pdata), | |
e59f458d | 93 | .per_child_auto_alloc_size = sizeof(struct dm_test_parent_data), |
cdc133bd SG |
94 | .per_child_platdata_auto_alloc_size = |
95 | sizeof(struct dm_test_parent_platdata), | |
a327dee0 SG |
96 | .child_pre_probe = testbus_child_pre_probe, |
97 | .child_post_remove = testbus_child_post_remove, | |
1ca7e206 SG |
98 | }; |
99 | ||
100 | UCLASS_DRIVER(testbus) = { | |
101 | .name = "testbus", | |
102 | .id = UCLASS_TEST_BUS, | |
9cc36a2b | 103 | .flags = DM_UC_FLAG_SEQ_ALIAS, |
83c7e434 | 104 | .child_pre_probe = testbus_child_pre_probe_uclass, |
1ca7e206 SG |
105 | }; |
106 | ||
107 | /* Test that we can probe for children */ | |
e721b882 | 108 | static int dm_test_bus_children(struct unit_test_state *uts) |
1ca7e206 | 109 | { |
f2006808 | 110 | int num_devices = 7; |
1ca7e206 SG |
111 | struct udevice *bus; |
112 | struct uclass *uc; | |
113 | ||
114 | ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc)); | |
115 | ut_asserteq(num_devices, list_count_items(&uc->dev_head)); | |
116 | ||
117 | /* Probe the bus, which should yield 3 more devices */ | |
118 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
119 | num_devices += 3; | |
120 | ||
121 | ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc)); | |
122 | ut_asserteq(num_devices, list_count_items(&uc->dev_head)); | |
123 | ||
e721b882 | 124 | ut_assert(!dm_check_devices(uts, num_devices)); |
1ca7e206 SG |
125 | |
126 | return 0; | |
127 | } | |
128 | DM_TEST(dm_test_bus_children, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
997c87bb SG |
129 | |
130 | /* Test our functions for accessing children */ | |
e721b882 | 131 | static int dm_test_bus_children_funcs(struct unit_test_state *uts) |
997c87bb SG |
132 | { |
133 | const void *blob = gd->fdt_blob; | |
134 | struct udevice *bus, *dev; | |
135 | int node; | |
136 | ||
137 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
138 | ||
139 | /* device_get_child() */ | |
140 | ut_assertok(device_get_child(bus, 0, &dev)); | |
141 | ut_asserteq(-ENODEV, device_get_child(bus, 4, &dev)); | |
142 | ut_assertok(device_get_child_by_seq(bus, 5, &dev)); | |
143 | ut_assert(dev->flags & DM_FLAG_ACTIVATED); | |
144 | ut_asserteq_str("c-test@5", dev->name); | |
145 | ||
146 | /* Device with sequence number 0 should be accessible */ | |
147 | ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, true, &dev)); | |
148 | ut_assertok(device_find_child_by_seq(bus, 0, true, &dev)); | |
149 | ut_assert(!(dev->flags & DM_FLAG_ACTIVATED)); | |
150 | ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 0, false, &dev)); | |
151 | ut_assertok(device_get_child_by_seq(bus, 0, &dev)); | |
152 | ut_assert(dev->flags & DM_FLAG_ACTIVATED); | |
153 | ||
154 | /* There is no device with sequence number 2 */ | |
155 | ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, false, &dev)); | |
156 | ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, true, &dev)); | |
157 | ut_asserteq(-ENODEV, device_get_child_by_seq(bus, 2, &dev)); | |
158 | ||
159 | /* Looking for something that is not a child */ | |
160 | node = fdt_path_offset(blob, "/junk"); | |
161 | ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev)); | |
162 | node = fdt_path_offset(blob, "/d-test"); | |
163 | ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev)); | |
164 | ||
298afb52 SG |
165 | return 0; |
166 | } | |
167 | DM_TEST(dm_test_bus_children_funcs, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
168 | ||
169 | static int dm_test_bus_children_of_offset(struct unit_test_state *uts) | |
170 | { | |
171 | const void *blob = gd->fdt_blob; | |
172 | struct udevice *bus, *dev; | |
173 | int node; | |
174 | ||
175 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
4f414d39 | 176 | ut_assertnonnull(bus); |
298afb52 | 177 | |
997c87bb SG |
178 | /* Find a valid child */ |
179 | node = fdt_path_offset(blob, "/some-bus/c-test@1"); | |
298afb52 | 180 | ut_assert(node > 0); |
997c87bb | 181 | ut_assertok(device_find_child_by_of_offset(bus, node, &dev)); |
4f414d39 | 182 | ut_assertnonnull(dev); |
997c87bb SG |
183 | ut_assert(!(dev->flags & DM_FLAG_ACTIVATED)); |
184 | ut_assertok(device_get_child_by_of_offset(bus, node, &dev)); | |
4f414d39 | 185 | ut_assertnonnull(dev); |
997c87bb SG |
186 | ut_assert(dev->flags & DM_FLAG_ACTIVATED); |
187 | ||
188 | return 0; | |
189 | } | |
298afb52 SG |
190 | DM_TEST(dm_test_bus_children_of_offset, |
191 | DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE); | |
e59f458d | 192 | |
a8981d4f | 193 | /* Test that we can iterate through children */ |
e721b882 | 194 | static int dm_test_bus_children_iterators(struct unit_test_state *uts) |
a8981d4f SG |
195 | { |
196 | struct udevice *bus, *dev, *child; | |
197 | ||
198 | /* Walk through the children one by one */ | |
199 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
200 | ut_assertok(device_find_first_child(bus, &dev)); | |
201 | ut_asserteq_str("c-test@5", dev->name); | |
202 | ut_assertok(device_find_next_child(&dev)); | |
203 | ut_asserteq_str("c-test@0", dev->name); | |
204 | ut_assertok(device_find_next_child(&dev)); | |
205 | ut_asserteq_str("c-test@1", dev->name); | |
206 | ut_assertok(device_find_next_child(&dev)); | |
207 | ut_asserteq_ptr(dev, NULL); | |
208 | ||
209 | /* Move to the next child without using device_find_first_child() */ | |
210 | ut_assertok(device_find_child_by_seq(bus, 5, true, &dev)); | |
211 | ut_asserteq_str("c-test@5", dev->name); | |
212 | ut_assertok(device_find_next_child(&dev)); | |
213 | ut_asserteq_str("c-test@0", dev->name); | |
214 | ||
215 | /* Try a device with no children */ | |
216 | ut_assertok(device_find_first_child(dev, &child)); | |
217 | ut_asserteq_ptr(child, NULL); | |
218 | ||
219 | return 0; | |
220 | } | |
221 | DM_TEST(dm_test_bus_children_iterators, | |
222 | DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
223 | ||
e59f458d | 224 | /* Test that the bus can store data about each child */ |
e721b882 | 225 | static int test_bus_parent_data(struct unit_test_state *uts) |
e59f458d SG |
226 | { |
227 | struct dm_test_parent_data *parent_data; | |
228 | struct udevice *bus, *dev; | |
229 | struct uclass *uc; | |
230 | int value; | |
231 | ||
232 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
233 | ||
234 | /* Check that parent data is allocated */ | |
235 | ut_assertok(device_find_child_by_seq(bus, 0, true, &dev)); | |
bcbe3d15 | 236 | ut_asserteq_ptr(NULL, dev_get_parent_priv(dev)); |
e59f458d | 237 | ut_assertok(device_get_child_by_seq(bus, 0, &dev)); |
bcbe3d15 | 238 | parent_data = dev_get_parent_priv(dev); |
e59f458d SG |
239 | ut_assert(NULL != parent_data); |
240 | ||
241 | /* Check that it starts at 0 and goes away when device is removed */ | |
242 | parent_data->sum += 5; | |
243 | ut_asserteq(5, parent_data->sum); | |
706865af | 244 | device_remove(dev, DM_REMOVE_NORMAL); |
bcbe3d15 | 245 | ut_asserteq_ptr(NULL, dev_get_parent_priv(dev)); |
e59f458d SG |
246 | |
247 | /* Check that we can do this twice */ | |
248 | ut_assertok(device_get_child_by_seq(bus, 0, &dev)); | |
bcbe3d15 | 249 | parent_data = dev_get_parent_priv(dev); |
e59f458d SG |
250 | ut_assert(NULL != parent_data); |
251 | parent_data->sum += 5; | |
252 | ut_asserteq(5, parent_data->sum); | |
253 | ||
254 | /* Add parent data to all children */ | |
255 | ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc)); | |
256 | value = 5; | |
257 | uclass_foreach_dev(dev, uc) { | |
258 | /* Ignore these if they are not on this bus */ | |
259 | if (dev->parent != bus) { | |
bcbe3d15 | 260 | ut_asserteq_ptr(NULL, dev_get_parent_priv(dev)); |
e59f458d SG |
261 | continue; |
262 | } | |
263 | ut_assertok(device_probe(dev)); | |
bcbe3d15 | 264 | parent_data = dev_get_parent_priv(dev); |
e59f458d SG |
265 | |
266 | parent_data->sum = value; | |
267 | value += 5; | |
268 | } | |
269 | ||
270 | /* Check it is still there */ | |
271 | value = 5; | |
272 | uclass_foreach_dev(dev, uc) { | |
273 | /* Ignore these if they are not on this bus */ | |
274 | if (dev->parent != bus) | |
275 | continue; | |
bcbe3d15 | 276 | parent_data = dev_get_parent_priv(dev); |
e59f458d SG |
277 | |
278 | ut_asserteq(value, parent_data->sum); | |
279 | value += 5; | |
280 | } | |
281 | ||
282 | return 0; | |
283 | } | |
dac8db2c | 284 | /* Test that the bus can store data about each child */ |
e721b882 | 285 | static int dm_test_bus_parent_data(struct unit_test_state *uts) |
dac8db2c | 286 | { |
e721b882 | 287 | return test_bus_parent_data(uts); |
dac8db2c | 288 | } |
e59f458d | 289 | DM_TEST(dm_test_bus_parent_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |
a327dee0 | 290 | |
dac8db2c | 291 | /* As above but the size is controlled by the uclass */ |
e721b882 | 292 | static int dm_test_bus_parent_data_uclass(struct unit_test_state *uts) |
dac8db2c | 293 | { |
e23eb614 | 294 | struct driver *drv; |
dac8db2c SG |
295 | struct udevice *bus; |
296 | int size; | |
297 | int ret; | |
298 | ||
299 | /* Set the driver size to 0 so that the uclass size is used */ | |
300 | ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus)); | |
e23eb614 SG |
301 | drv = (struct driver *)bus->driver; |
302 | size = drv->per_child_auto_alloc_size; | |
9f8037ea SG |
303 | |
304 | #ifdef CONFIG_SANDBOX | |
305 | os_mprotect_allow(bus->uclass->uc_drv, sizeof(*bus->uclass->uc_drv)); | |
306 | os_mprotect_allow(drv, sizeof(*drv)); | |
307 | #endif | |
dac8db2c | 308 | bus->uclass->uc_drv->per_child_auto_alloc_size = size; |
e23eb614 | 309 | drv->per_child_auto_alloc_size = 0; |
e721b882 | 310 | ret = test_bus_parent_data(uts); |
dac8db2c SG |
311 | if (ret) |
312 | return ret; | |
313 | bus->uclass->uc_drv->per_child_auto_alloc_size = 0; | |
e23eb614 | 314 | drv->per_child_auto_alloc_size = size; |
dac8db2c SG |
315 | |
316 | return 0; | |
317 | } | |
318 | DM_TEST(dm_test_bus_parent_data_uclass, | |
319 | DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
320 | ||
a327dee0 | 321 | /* Test that the bus ops are called when a child is probed/removed */ |
e721b882 | 322 | static int dm_test_bus_parent_ops(struct unit_test_state *uts) |
a327dee0 SG |
323 | { |
324 | struct dm_test_parent_data *parent_data; | |
e721b882 | 325 | struct dm_test_state *dms = uts->priv; |
a327dee0 SG |
326 | struct udevice *bus, *dev; |
327 | struct uclass *uc; | |
328 | ||
329 | test_state = dms; | |
330 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
331 | ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc)); | |
332 | ||
333 | uclass_foreach_dev(dev, uc) { | |
334 | /* Ignore these if they are not on this bus */ | |
335 | if (dev->parent != bus) | |
336 | continue; | |
bcbe3d15 | 337 | ut_asserteq_ptr(NULL, dev_get_parent_priv(dev)); |
a327dee0 SG |
338 | |
339 | ut_assertok(device_probe(dev)); | |
bcbe3d15 | 340 | parent_data = dev_get_parent_priv(dev); |
a327dee0 SG |
341 | ut_asserteq(FLAG_CHILD_PROBED, parent_data->flag); |
342 | } | |
343 | ||
344 | uclass_foreach_dev(dev, uc) { | |
345 | /* Ignore these if they are not on this bus */ | |
346 | if (dev->parent != bus) | |
347 | continue; | |
bcbe3d15 | 348 | parent_data = dev_get_parent_priv(dev); |
a327dee0 | 349 | ut_asserteq(FLAG_CHILD_PROBED, parent_data->flag); |
706865af | 350 | ut_assertok(device_remove(dev, DM_REMOVE_NORMAL)); |
bcbe3d15 | 351 | ut_asserteq_ptr(NULL, dev_get_parent_priv(dev)); |
a327dee0 SG |
352 | ut_asserteq_ptr(dms->removed, dev); |
353 | } | |
354 | test_state = NULL; | |
355 | ||
356 | return 0; | |
357 | } | |
358 | DM_TEST(dm_test_bus_parent_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
cdc133bd | 359 | |
e721b882 | 360 | static int test_bus_parent_platdata(struct unit_test_state *uts) |
cdc133bd SG |
361 | { |
362 | struct dm_test_parent_platdata *plat; | |
363 | struct udevice *bus, *dev; | |
364 | int child_count; | |
365 | ||
366 | /* Check that the bus has no children */ | |
367 | ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus)); | |
368 | device_find_first_child(bus, &dev); | |
369 | ut_asserteq_ptr(NULL, dev); | |
370 | ||
371 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
372 | ||
373 | for (device_find_first_child(bus, &dev), child_count = 0; | |
374 | dev; | |
375 | device_find_next_child(&dev)) { | |
376 | /* Check that platform data is allocated */ | |
377 | plat = dev_get_parent_platdata(dev); | |
378 | ut_assert(plat != NULL); | |
379 | ||
380 | /* | |
381 | * Check that it is not affected by the device being | |
382 | * probed/removed | |
383 | */ | |
384 | plat->count++; | |
385 | ut_asserteq(1, plat->count); | |
386 | device_probe(dev); | |
706865af | 387 | device_remove(dev, DM_REMOVE_NORMAL); |
cdc133bd SG |
388 | |
389 | ut_asserteq_ptr(plat, dev_get_parent_platdata(dev)); | |
390 | ut_asserteq(1, plat->count); | |
391 | ut_assertok(device_probe(dev)); | |
392 | child_count++; | |
393 | } | |
394 | ut_asserteq(3, child_count); | |
395 | ||
396 | /* Removing the bus should also have no effect (it is still bound) */ | |
706865af | 397 | device_remove(bus, DM_REMOVE_NORMAL); |
cdc133bd SG |
398 | for (device_find_first_child(bus, &dev), child_count = 0; |
399 | dev; | |
400 | device_find_next_child(&dev)) { | |
401 | /* Check that platform data is allocated */ | |
402 | plat = dev_get_parent_platdata(dev); | |
403 | ut_assert(plat != NULL); | |
404 | ut_asserteq(1, plat->count); | |
405 | child_count++; | |
406 | } | |
407 | ut_asserteq(3, child_count); | |
408 | ||
409 | /* Unbind all the children */ | |
410 | do { | |
411 | device_find_first_child(bus, &dev); | |
412 | if (dev) | |
413 | device_unbind(dev); | |
414 | } while (dev); | |
415 | ||
416 | /* Now the child platdata should be removed and re-added */ | |
417 | device_probe(bus); | |
418 | for (device_find_first_child(bus, &dev), child_count = 0; | |
419 | dev; | |
420 | device_find_next_child(&dev)) { | |
421 | /* Check that platform data is allocated */ | |
422 | plat = dev_get_parent_platdata(dev); | |
423 | ut_assert(plat != NULL); | |
424 | ut_asserteq(0, plat->count); | |
425 | child_count++; | |
426 | } | |
427 | ut_asserteq(3, child_count); | |
428 | ||
429 | return 0; | |
430 | } | |
ba8da9dc SG |
431 | |
432 | /* Test that the bus can store platform data about each child */ | |
e721b882 | 433 | static int dm_test_bus_parent_platdata(struct unit_test_state *uts) |
ba8da9dc | 434 | { |
e721b882 | 435 | return test_bus_parent_platdata(uts); |
ba8da9dc | 436 | } |
cdc133bd | 437 | DM_TEST(dm_test_bus_parent_platdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |
ba8da9dc SG |
438 | |
439 | /* As above but the size is controlled by the uclass */ | |
e721b882 | 440 | static int dm_test_bus_parent_platdata_uclass(struct unit_test_state *uts) |
ba8da9dc SG |
441 | { |
442 | struct udevice *bus; | |
e23eb614 | 443 | struct driver *drv; |
ba8da9dc SG |
444 | int size; |
445 | int ret; | |
446 | ||
447 | /* Set the driver size to 0 so that the uclass size is used */ | |
448 | ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus)); | |
e23eb614 SG |
449 | drv = (struct driver *)bus->driver; |
450 | size = drv->per_child_platdata_auto_alloc_size; | |
9f8037ea SG |
451 | #ifdef CONFIG_SANDBOX |
452 | os_mprotect_allow(bus->uclass->uc_drv, sizeof(*bus->uclass->uc_drv)); | |
453 | os_mprotect_allow(drv, sizeof(*drv)); | |
454 | #endif | |
ba8da9dc | 455 | bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = size; |
e23eb614 | 456 | drv->per_child_platdata_auto_alloc_size = 0; |
e721b882 | 457 | ret = test_bus_parent_platdata(uts); |
ba8da9dc SG |
458 | if (ret) |
459 | return ret; | |
460 | bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = 0; | |
e23eb614 | 461 | drv->per_child_platdata_auto_alloc_size = size; |
ba8da9dc SG |
462 | |
463 | return 0; | |
464 | } | |
465 | DM_TEST(dm_test_bus_parent_platdata_uclass, | |
466 | DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
0118ce79 SG |
467 | |
468 | /* Test that the child post_bind method is called */ | |
e721b882 | 469 | static int dm_test_bus_child_post_bind(struct unit_test_state *uts) |
0118ce79 SG |
470 | { |
471 | struct dm_test_parent_platdata *plat; | |
472 | struct udevice *bus, *dev; | |
473 | int child_count; | |
474 | ||
475 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
476 | for (device_find_first_child(bus, &dev), child_count = 0; | |
477 | dev; | |
478 | device_find_next_child(&dev)) { | |
479 | /* Check that platform data is allocated */ | |
480 | plat = dev_get_parent_platdata(dev); | |
481 | ut_assert(plat != NULL); | |
482 | ut_asserteq(1, plat->bind_flag); | |
483 | child_count++; | |
484 | } | |
485 | ut_asserteq(3, child_count); | |
486 | ||
487 | return 0; | |
488 | } | |
489 | DM_TEST(dm_test_bus_child_post_bind, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
081f2fcb SG |
490 | |
491 | /* Test that the child post_bind method is called */ | |
e721b882 | 492 | static int dm_test_bus_child_post_bind_uclass(struct unit_test_state *uts) |
081f2fcb SG |
493 | { |
494 | struct dm_test_parent_platdata *plat; | |
495 | struct udevice *bus, *dev; | |
496 | int child_count; | |
497 | ||
498 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
499 | for (device_find_first_child(bus, &dev), child_count = 0; | |
500 | dev; | |
501 | device_find_next_child(&dev)) { | |
502 | /* Check that platform data is allocated */ | |
503 | plat = dev_get_parent_platdata(dev); | |
504 | ut_assert(plat != NULL); | |
505 | ut_asserteq(2, plat->uclass_bind_flag); | |
506 | child_count++; | |
507 | } | |
508 | ut_asserteq(3, child_count); | |
509 | ||
510 | return 0; | |
511 | } | |
512 | DM_TEST(dm_test_bus_child_post_bind_uclass, | |
513 | DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
83c7e434 SG |
514 | |
515 | /* | |
516 | * Test that the bus' uclass' child_pre_probe() is called before the | |
517 | * device's probe() method | |
518 | */ | |
e721b882 | 519 | static int dm_test_bus_child_pre_probe_uclass(struct unit_test_state *uts) |
83c7e434 SG |
520 | { |
521 | struct udevice *bus, *dev; | |
522 | int child_count; | |
523 | ||
524 | /* | |
525 | * See testfdt_drv_probe() which effectively checks that the uclass | |
526 | * flag is set before that method is called | |
527 | */ | |
528 | ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus)); | |
529 | for (device_find_first_child(bus, &dev), child_count = 0; | |
530 | dev; | |
531 | device_find_next_child(&dev)) { | |
532 | struct dm_test_priv *priv = dev_get_priv(dev); | |
533 | ||
534 | /* Check that things happened in the right order */ | |
535 | ut_asserteq_ptr(NULL, priv); | |
536 | ut_assertok(device_probe(dev)); | |
537 | ||
538 | priv = dev_get_priv(dev); | |
539 | ut_assert(priv != NULL); | |
540 | ut_asserteq(1, priv->uclass_flag); | |
541 | ut_asserteq(1, priv->uclass_total); | |
542 | child_count++; | |
543 | } | |
544 | ut_asserteq(3, child_count); | |
545 | ||
546 | return 0; | |
547 | } | |
548 | DM_TEST(dm_test_bus_child_pre_probe_uclass, | |
549 | DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |