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c032ace7 DT |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // Unit tests for property entries API | |
3 | // | |
4 | // Copyright 2019 Google LLC. | |
5 | ||
6 | #include <kunit/test.h> | |
7 | #include <linux/property.h> | |
8 | #include <linux/types.h> | |
9 | ||
10 | static void pe_test_uints(struct kunit *test) | |
11 | { | |
12 | static const struct property_entry entries[] = { | |
13 | PROPERTY_ENTRY_U8("prop-u8", 8), | |
14 | PROPERTY_ENTRY_U16("prop-u16", 16), | |
15 | PROPERTY_ENTRY_U32("prop-u32", 32), | |
16 | PROPERTY_ENTRY_U64("prop-u64", 64), | |
17 | { } | |
18 | }; | |
19 | ||
20 | struct fwnode_handle *node; | |
21 | u8 val_u8, array_u8[2]; | |
22 | u16 val_u16, array_u16[2]; | |
23 | u32 val_u32, array_u32[2]; | |
24 | u64 val_u64, array_u64[2]; | |
25 | int error; | |
26 | ||
27 | node = fwnode_create_software_node(entries, NULL); | |
28 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node); | |
29 | ||
7f2fac70 AS |
30 | error = fwnode_property_count_u8(node, "prop-u8"); |
31 | KUNIT_EXPECT_EQ(test, error, 1); | |
32 | ||
c032ace7 DT |
33 | error = fwnode_property_read_u8(node, "prop-u8", &val_u8); |
34 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 35 | KUNIT_EXPECT_EQ(test, val_u8, 8); |
c032ace7 DT |
36 | |
37 | error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 1); | |
38 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 39 | KUNIT_EXPECT_EQ(test, array_u8[0], 8); |
c032ace7 DT |
40 | |
41 | error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 2); | |
42 | KUNIT_EXPECT_NE(test, error, 0); | |
43 | ||
44 | error = fwnode_property_read_u8(node, "no-prop-u8", &val_u8); | |
45 | KUNIT_EXPECT_NE(test, error, 0); | |
46 | ||
47 | error = fwnode_property_read_u8_array(node, "no-prop-u8", array_u8, 1); | |
48 | KUNIT_EXPECT_NE(test, error, 0); | |
49 | ||
50 | error = fwnode_property_read_u16(node, "prop-u16", &val_u16); | |
51 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 52 | KUNIT_EXPECT_EQ(test, val_u16, 16); |
c032ace7 | 53 | |
7f2fac70 AS |
54 | error = fwnode_property_count_u16(node, "prop-u16"); |
55 | KUNIT_EXPECT_EQ(test, error, 1); | |
56 | ||
c032ace7 DT |
57 | error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 1); |
58 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 59 | KUNIT_EXPECT_EQ(test, array_u16[0], 16); |
c032ace7 DT |
60 | |
61 | error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 2); | |
62 | KUNIT_EXPECT_NE(test, error, 0); | |
63 | ||
64 | error = fwnode_property_read_u16(node, "no-prop-u16", &val_u16); | |
65 | KUNIT_EXPECT_NE(test, error, 0); | |
66 | ||
67 | error = fwnode_property_read_u16_array(node, "no-prop-u16", array_u16, 1); | |
68 | KUNIT_EXPECT_NE(test, error, 0); | |
69 | ||
70 | error = fwnode_property_read_u32(node, "prop-u32", &val_u32); | |
71 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 72 | KUNIT_EXPECT_EQ(test, val_u32, 32); |
c032ace7 | 73 | |
7f2fac70 AS |
74 | error = fwnode_property_count_u32(node, "prop-u32"); |
75 | KUNIT_EXPECT_EQ(test, error, 1); | |
76 | ||
c032ace7 DT |
77 | error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 1); |
78 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 79 | KUNIT_EXPECT_EQ(test, array_u32[0], 32); |
c032ace7 DT |
80 | |
81 | error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 2); | |
82 | KUNIT_EXPECT_NE(test, error, 0); | |
83 | ||
84 | error = fwnode_property_read_u32(node, "no-prop-u32", &val_u32); | |
85 | KUNIT_EXPECT_NE(test, error, 0); | |
86 | ||
87 | error = fwnode_property_read_u32_array(node, "no-prop-u32", array_u32, 1); | |
88 | KUNIT_EXPECT_NE(test, error, 0); | |
89 | ||
90 | error = fwnode_property_read_u64(node, "prop-u64", &val_u64); | |
91 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 92 | KUNIT_EXPECT_EQ(test, val_u64, 64); |
c032ace7 | 93 | |
7f2fac70 AS |
94 | error = fwnode_property_count_u64(node, "prop-u64"); |
95 | KUNIT_EXPECT_EQ(test, error, 1); | |
96 | ||
c032ace7 DT |
97 | error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 1); |
98 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 99 | KUNIT_EXPECT_EQ(test, array_u64[0], 64); |
c032ace7 DT |
100 | |
101 | error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 2); | |
102 | KUNIT_EXPECT_NE(test, error, 0); | |
103 | ||
104 | error = fwnode_property_read_u64(node, "no-prop-u64", &val_u64); | |
105 | KUNIT_EXPECT_NE(test, error, 0); | |
106 | ||
107 | error = fwnode_property_read_u64_array(node, "no-prop-u64", array_u64, 1); | |
108 | KUNIT_EXPECT_NE(test, error, 0); | |
109 | ||
7f2fac70 AS |
110 | /* Count 64-bit values as 16-bit */ |
111 | error = fwnode_property_count_u16(node, "prop-u64"); | |
112 | KUNIT_EXPECT_EQ(test, error, 4); | |
113 | ||
c032ace7 DT |
114 | fwnode_remove_software_node(node); |
115 | } | |
116 | ||
117 | static void pe_test_uint_arrays(struct kunit *test) | |
118 | { | |
7f2fac70 AS |
119 | static const u8 a_u8[10] = { 8, 9 }; |
120 | static const u16 a_u16[10] = { 16, 17 }; | |
121 | static const u32 a_u32[10] = { 32, 33 }; | |
122 | static const u64 a_u64[10] = { 64, 65 }; | |
c032ace7 DT |
123 | static const struct property_entry entries[] = { |
124 | PROPERTY_ENTRY_U8_ARRAY("prop-u8", a_u8), | |
125 | PROPERTY_ENTRY_U16_ARRAY("prop-u16", a_u16), | |
126 | PROPERTY_ENTRY_U32_ARRAY("prop-u32", a_u32), | |
127 | PROPERTY_ENTRY_U64_ARRAY("prop-u64", a_u64), | |
128 | { } | |
129 | }; | |
130 | ||
131 | struct fwnode_handle *node; | |
132 | u8 val_u8, array_u8[32]; | |
133 | u16 val_u16, array_u16[32]; | |
134 | u32 val_u32, array_u32[32]; | |
135 | u64 val_u64, array_u64[32]; | |
136 | int error; | |
137 | ||
138 | node = fwnode_create_software_node(entries, NULL); | |
139 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node); | |
140 | ||
141 | error = fwnode_property_read_u8(node, "prop-u8", &val_u8); | |
142 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 143 | KUNIT_EXPECT_EQ(test, val_u8, 8); |
c032ace7 | 144 | |
7f2fac70 AS |
145 | error = fwnode_property_count_u8(node, "prop-u8"); |
146 | KUNIT_EXPECT_EQ(test, error, 10); | |
147 | ||
c032ace7 DT |
148 | error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 1); |
149 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 150 | KUNIT_EXPECT_EQ(test, array_u8[0], 8); |
c032ace7 DT |
151 | |
152 | error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 2); | |
153 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 DG |
154 | KUNIT_EXPECT_EQ(test, array_u8[0], 8); |
155 | KUNIT_EXPECT_EQ(test, array_u8[1], 9); | |
c032ace7 DT |
156 | |
157 | error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 17); | |
158 | KUNIT_EXPECT_NE(test, error, 0); | |
159 | ||
160 | error = fwnode_property_read_u8(node, "no-prop-u8", &val_u8); | |
161 | KUNIT_EXPECT_NE(test, error, 0); | |
162 | ||
163 | error = fwnode_property_read_u8_array(node, "no-prop-u8", array_u8, 1); | |
164 | KUNIT_EXPECT_NE(test, error, 0); | |
165 | ||
166 | error = fwnode_property_read_u16(node, "prop-u16", &val_u16); | |
167 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 168 | KUNIT_EXPECT_EQ(test, val_u16, 16); |
c032ace7 | 169 | |
7f2fac70 AS |
170 | error = fwnode_property_count_u16(node, "prop-u16"); |
171 | KUNIT_EXPECT_EQ(test, error, 10); | |
172 | ||
c032ace7 DT |
173 | error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 1); |
174 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 175 | KUNIT_EXPECT_EQ(test, array_u16[0], 16); |
c032ace7 DT |
176 | |
177 | error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 2); | |
178 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 DG |
179 | KUNIT_EXPECT_EQ(test, array_u16[0], 16); |
180 | KUNIT_EXPECT_EQ(test, array_u16[1], 17); | |
c032ace7 DT |
181 | |
182 | error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 17); | |
183 | KUNIT_EXPECT_NE(test, error, 0); | |
184 | ||
185 | error = fwnode_property_read_u16(node, "no-prop-u16", &val_u16); | |
186 | KUNIT_EXPECT_NE(test, error, 0); | |
187 | ||
188 | error = fwnode_property_read_u16_array(node, "no-prop-u16", array_u16, 1); | |
189 | KUNIT_EXPECT_NE(test, error, 0); | |
190 | ||
191 | error = fwnode_property_read_u32(node, "prop-u32", &val_u32); | |
192 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 193 | KUNIT_EXPECT_EQ(test, val_u32, 32); |
c032ace7 | 194 | |
7f2fac70 AS |
195 | error = fwnode_property_count_u32(node, "prop-u32"); |
196 | KUNIT_EXPECT_EQ(test, error, 10); | |
197 | ||
c032ace7 DT |
198 | error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 1); |
199 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 200 | KUNIT_EXPECT_EQ(test, array_u32[0], 32); |
c032ace7 DT |
201 | |
202 | error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 2); | |
203 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 DG |
204 | KUNIT_EXPECT_EQ(test, array_u32[0], 32); |
205 | KUNIT_EXPECT_EQ(test, array_u32[1], 33); | |
c032ace7 DT |
206 | |
207 | error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 17); | |
208 | KUNIT_EXPECT_NE(test, error, 0); | |
209 | ||
210 | error = fwnode_property_read_u32(node, "no-prop-u32", &val_u32); | |
211 | KUNIT_EXPECT_NE(test, error, 0); | |
212 | ||
213 | error = fwnode_property_read_u32_array(node, "no-prop-u32", array_u32, 1); | |
214 | KUNIT_EXPECT_NE(test, error, 0); | |
215 | ||
216 | error = fwnode_property_read_u64(node, "prop-u64", &val_u64); | |
217 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 218 | KUNIT_EXPECT_EQ(test, val_u64, 64); |
c032ace7 | 219 | |
7f2fac70 AS |
220 | error = fwnode_property_count_u64(node, "prop-u64"); |
221 | KUNIT_EXPECT_EQ(test, error, 10); | |
222 | ||
c032ace7 DT |
223 | error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 1); |
224 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 | 225 | KUNIT_EXPECT_EQ(test, array_u64[0], 64); |
c032ace7 DT |
226 | |
227 | error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 2); | |
228 | KUNIT_EXPECT_EQ(test, error, 0); | |
6d2e9789 DG |
229 | KUNIT_EXPECT_EQ(test, array_u64[0], 64); |
230 | KUNIT_EXPECT_EQ(test, array_u64[1], 65); | |
c032ace7 DT |
231 | |
232 | error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 17); | |
233 | KUNIT_EXPECT_NE(test, error, 0); | |
234 | ||
235 | error = fwnode_property_read_u64(node, "no-prop-u64", &val_u64); | |
236 | KUNIT_EXPECT_NE(test, error, 0); | |
237 | ||
238 | error = fwnode_property_read_u64_array(node, "no-prop-u64", array_u64, 1); | |
239 | KUNIT_EXPECT_NE(test, error, 0); | |
240 | ||
7f2fac70 AS |
241 | /* Count 64-bit values as 16-bit */ |
242 | error = fwnode_property_count_u16(node, "prop-u64"); | |
243 | KUNIT_EXPECT_EQ(test, error, 40); | |
244 | ||
245 | /* Other way around */ | |
246 | error = fwnode_property_count_u64(node, "prop-u16"); | |
247 | KUNIT_EXPECT_EQ(test, error, 2); | |
248 | ||
c032ace7 DT |
249 | fwnode_remove_software_node(node); |
250 | } | |
251 | ||
252 | static void pe_test_strings(struct kunit *test) | |
253 | { | |
254 | static const char *strings[] = { | |
255 | "string-a", | |
256 | "string-b", | |
257 | }; | |
258 | ||
259 | static const struct property_entry entries[] = { | |
260 | PROPERTY_ENTRY_STRING("str", "single"), | |
261 | PROPERTY_ENTRY_STRING("empty", ""), | |
262 | PROPERTY_ENTRY_STRING_ARRAY("strs", strings), | |
263 | { } | |
264 | }; | |
265 | ||
266 | struct fwnode_handle *node; | |
267 | const char *str; | |
268 | const char *strs[10]; | |
269 | int error; | |
270 | ||
271 | node = fwnode_create_software_node(entries, NULL); | |
272 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node); | |
273 | ||
274 | error = fwnode_property_read_string(node, "str", &str); | |
275 | KUNIT_EXPECT_EQ(test, error, 0); | |
276 | KUNIT_EXPECT_STREQ(test, str, "single"); | |
277 | ||
7f2fac70 AS |
278 | error = fwnode_property_string_array_count(node, "str"); |
279 | KUNIT_EXPECT_EQ(test, error, 1); | |
280 | ||
c032ace7 DT |
281 | error = fwnode_property_read_string_array(node, "str", strs, 1); |
282 | KUNIT_EXPECT_EQ(test, error, 1); | |
283 | KUNIT_EXPECT_STREQ(test, strs[0], "single"); | |
284 | ||
285 | /* asking for more data returns what we have */ | |
286 | error = fwnode_property_read_string_array(node, "str", strs, 2); | |
287 | KUNIT_EXPECT_EQ(test, error, 1); | |
288 | KUNIT_EXPECT_STREQ(test, strs[0], "single"); | |
289 | ||
290 | error = fwnode_property_read_string(node, "no-str", &str); | |
291 | KUNIT_EXPECT_NE(test, error, 0); | |
292 | ||
293 | error = fwnode_property_read_string_array(node, "no-str", strs, 1); | |
294 | KUNIT_EXPECT_LT(test, error, 0); | |
295 | ||
296 | error = fwnode_property_read_string(node, "empty", &str); | |
297 | KUNIT_EXPECT_EQ(test, error, 0); | |
298 | KUNIT_EXPECT_STREQ(test, str, ""); | |
299 | ||
7f2fac70 AS |
300 | error = fwnode_property_string_array_count(node, "strs"); |
301 | KUNIT_EXPECT_EQ(test, error, 2); | |
302 | ||
c032ace7 DT |
303 | error = fwnode_property_read_string_array(node, "strs", strs, 3); |
304 | KUNIT_EXPECT_EQ(test, error, 2); | |
305 | KUNIT_EXPECT_STREQ(test, strs[0], "string-a"); | |
306 | KUNIT_EXPECT_STREQ(test, strs[1], "string-b"); | |
307 | ||
308 | error = fwnode_property_read_string_array(node, "strs", strs, 1); | |
309 | KUNIT_EXPECT_EQ(test, error, 1); | |
310 | KUNIT_EXPECT_STREQ(test, strs[0], "string-a"); | |
311 | ||
312 | /* NULL argument -> returns size */ | |
313 | error = fwnode_property_read_string_array(node, "strs", NULL, 0); | |
314 | KUNIT_EXPECT_EQ(test, error, 2); | |
315 | ||
316 | /* accessing array as single value */ | |
317 | error = fwnode_property_read_string(node, "strs", &str); | |
318 | KUNIT_EXPECT_EQ(test, error, 0); | |
319 | KUNIT_EXPECT_STREQ(test, str, "string-a"); | |
320 | ||
321 | fwnode_remove_software_node(node); | |
322 | } | |
323 | ||
324 | static void pe_test_bool(struct kunit *test) | |
325 | { | |
326 | static const struct property_entry entries[] = { | |
327 | PROPERTY_ENTRY_BOOL("prop"), | |
328 | { } | |
329 | }; | |
330 | ||
331 | struct fwnode_handle *node; | |
332 | ||
333 | node = fwnode_create_software_node(entries, NULL); | |
334 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node); | |
335 | ||
336 | KUNIT_EXPECT_TRUE(test, fwnode_property_read_bool(node, "prop")); | |
337 | KUNIT_EXPECT_FALSE(test, fwnode_property_read_bool(node, "not-prop")); | |
338 | ||
339 | fwnode_remove_software_node(node); | |
340 | } | |
341 | ||
342 | /* Verifies that small U8 array is stored inline when property is copied */ | |
343 | static void pe_test_move_inline_u8(struct kunit *test) | |
344 | { | |
345 | static const u8 u8_array_small[8] = { 1, 2, 3, 4 }; | |
346 | static const u8 u8_array_big[128] = { 5, 6, 7, 8 }; | |
347 | static const struct property_entry entries[] = { | |
348 | PROPERTY_ENTRY_U8_ARRAY("small", u8_array_small), | |
349 | PROPERTY_ENTRY_U8_ARRAY("big", u8_array_big), | |
350 | { } | |
351 | }; | |
352 | ||
353 | struct property_entry *copy; | |
354 | const u8 *data_ptr; | |
355 | ||
356 | copy = property_entries_dup(entries); | |
357 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, copy); | |
358 | ||
359 | KUNIT_EXPECT_TRUE(test, copy[0].is_inline); | |
360 | data_ptr = (u8 *)©[0].value; | |
6d2e9789 DG |
361 | KUNIT_EXPECT_EQ(test, data_ptr[0], 1); |
362 | KUNIT_EXPECT_EQ(test, data_ptr[1], 2); | |
c032ace7 DT |
363 | |
364 | KUNIT_EXPECT_FALSE(test, copy[1].is_inline); | |
365 | data_ptr = copy[1].pointer; | |
6d2e9789 DG |
366 | KUNIT_EXPECT_EQ(test, data_ptr[0], 5); |
367 | KUNIT_EXPECT_EQ(test, data_ptr[1], 6); | |
c032ace7 DT |
368 | |
369 | property_entries_free(copy); | |
370 | } | |
371 | ||
372 | /* Verifies that single string array is stored inline when property is copied */ | |
373 | static void pe_test_move_inline_str(struct kunit *test) | |
374 | { | |
375 | static char *str_array_small[] = { "a" }; | |
376 | static char *str_array_big[] = { "b", "c", "d", "e" }; | |
377 | static char *str_array_small_empty[] = { "" }; | |
378 | static struct property_entry entries[] = { | |
379 | PROPERTY_ENTRY_STRING_ARRAY("small", str_array_small), | |
380 | PROPERTY_ENTRY_STRING_ARRAY("big", str_array_big), | |
381 | PROPERTY_ENTRY_STRING_ARRAY("small-empty", str_array_small_empty), | |
382 | { } | |
383 | }; | |
384 | ||
385 | struct property_entry *copy; | |
386 | const char * const *data_ptr; | |
387 | ||
388 | copy = property_entries_dup(entries); | |
389 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, copy); | |
390 | ||
391 | KUNIT_EXPECT_TRUE(test, copy[0].is_inline); | |
392 | KUNIT_EXPECT_STREQ(test, copy[0].value.str[0], "a"); | |
393 | ||
394 | KUNIT_EXPECT_FALSE(test, copy[1].is_inline); | |
395 | data_ptr = copy[1].pointer; | |
396 | KUNIT_EXPECT_STREQ(test, data_ptr[0], "b"); | |
397 | KUNIT_EXPECT_STREQ(test, data_ptr[1], "c"); | |
398 | ||
399 | KUNIT_EXPECT_TRUE(test, copy[2].is_inline); | |
400 | KUNIT_EXPECT_STREQ(test, copy[2].value.str[0], ""); | |
401 | ||
402 | property_entries_free(copy); | |
403 | } | |
404 | ||
405 | /* Handling of reference properties */ | |
406 | static void pe_test_reference(struct kunit *test) | |
407 | { | |
408 | static const struct software_node nodes[] = { | |
409 | { .name = "1", }, | |
410 | { .name = "2", }, | |
eabd5e7d | 411 | { } |
c032ace7 DT |
412 | }; |
413 | ||
414 | static const struct software_node_ref_args refs[] = { | |
e588fead AS |
415 | SOFTWARE_NODE_REFERENCE(&nodes[0]), |
416 | SOFTWARE_NODE_REFERENCE(&nodes[1], 3, 4), | |
c032ace7 DT |
417 | }; |
418 | ||
419 | const struct property_entry entries[] = { | |
420 | PROPERTY_ENTRY_REF("ref-1", &nodes[0]), | |
421 | PROPERTY_ENTRY_REF("ref-2", &nodes[1], 1, 2), | |
422 | PROPERTY_ENTRY_REF_ARRAY("ref-3", refs), | |
423 | { } | |
424 | }; | |
425 | ||
426 | struct fwnode_handle *node; | |
427 | struct fwnode_reference_args ref; | |
428 | int error; | |
429 | ||
430 | error = software_node_register_nodes(nodes); | |
431 | KUNIT_ASSERT_EQ(test, error, 0); | |
432 | ||
433 | node = fwnode_create_software_node(entries, NULL); | |
434 | KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node); | |
435 | ||
436 | error = fwnode_property_get_reference_args(node, "ref-1", NULL, | |
437 | 0, 0, &ref); | |
438 | KUNIT_ASSERT_EQ(test, error, 0); | |
439 | KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[0]); | |
440 | KUNIT_EXPECT_EQ(test, ref.nargs, 0U); | |
441 | ||
442 | /* wrong index */ | |
443 | error = fwnode_property_get_reference_args(node, "ref-1", NULL, | |
444 | 0, 1, &ref); | |
445 | KUNIT_EXPECT_NE(test, error, 0); | |
446 | ||
447 | error = fwnode_property_get_reference_args(node, "ref-2", NULL, | |
448 | 1, 0, &ref); | |
449 | KUNIT_ASSERT_EQ(test, error, 0); | |
450 | KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[1]); | |
451 | KUNIT_EXPECT_EQ(test, ref.nargs, 1U); | |
452 | KUNIT_EXPECT_EQ(test, ref.args[0], 1LLU); | |
453 | ||
454 | /* asking for more args, padded with zero data */ | |
455 | error = fwnode_property_get_reference_args(node, "ref-2", NULL, | |
456 | 3, 0, &ref); | |
457 | KUNIT_ASSERT_EQ(test, error, 0); | |
458 | KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[1]); | |
459 | KUNIT_EXPECT_EQ(test, ref.nargs, 3U); | |
460 | KUNIT_EXPECT_EQ(test, ref.args[0], 1LLU); | |
461 | KUNIT_EXPECT_EQ(test, ref.args[1], 2LLU); | |
462 | KUNIT_EXPECT_EQ(test, ref.args[2], 0LLU); | |
463 | ||
464 | /* wrong index */ | |
465 | error = fwnode_property_get_reference_args(node, "ref-2", NULL, | |
466 | 2, 1, &ref); | |
467 | KUNIT_EXPECT_NE(test, error, 0); | |
468 | ||
469 | /* array of references */ | |
470 | error = fwnode_property_get_reference_args(node, "ref-3", NULL, | |
471 | 0, 0, &ref); | |
472 | KUNIT_ASSERT_EQ(test, error, 0); | |
473 | KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[0]); | |
474 | KUNIT_EXPECT_EQ(test, ref.nargs, 0U); | |
475 | ||
476 | /* second reference in the array */ | |
477 | error = fwnode_property_get_reference_args(node, "ref-3", NULL, | |
478 | 2, 1, &ref); | |
479 | KUNIT_ASSERT_EQ(test, error, 0); | |
480 | KUNIT_EXPECT_PTR_EQ(test, to_software_node(ref.fwnode), &nodes[1]); | |
481 | KUNIT_EXPECT_EQ(test, ref.nargs, 2U); | |
482 | KUNIT_EXPECT_EQ(test, ref.args[0], 3LLU); | |
483 | KUNIT_EXPECT_EQ(test, ref.args[1], 4LLU); | |
484 | ||
485 | /* wrong index */ | |
486 | error = fwnode_property_get_reference_args(node, "ref-1", NULL, | |
487 | 0, 2, &ref); | |
488 | KUNIT_EXPECT_NE(test, error, 0); | |
489 | ||
490 | fwnode_remove_software_node(node); | |
491 | software_node_unregister_nodes(nodes); | |
492 | } | |
493 | ||
494 | static struct kunit_case property_entry_test_cases[] = { | |
495 | KUNIT_CASE(pe_test_uints), | |
496 | KUNIT_CASE(pe_test_uint_arrays), | |
497 | KUNIT_CASE(pe_test_strings), | |
498 | KUNIT_CASE(pe_test_bool), | |
499 | KUNIT_CASE(pe_test_move_inline_u8), | |
500 | KUNIT_CASE(pe_test_move_inline_str), | |
501 | KUNIT_CASE(pe_test_reference), | |
502 | { } | |
503 | }; | |
504 | ||
505 | static struct kunit_suite property_entry_test_suite = { | |
506 | .name = "property-entry", | |
507 | .test_cases = property_entry_test_cases, | |
508 | }; | |
509 | ||
510 | kunit_test_suite(property_entry_test_suite); |