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1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Device manager
4  *
5  * Copyright (c) 2013 Google, Inc
6  *
7  * (C) Copyright 2012
8  * Pavel Herrmann <morpheus.ibis@gmail.com>
9  */
10 
11 #include <common.h>
12 #include <asm/io.h>
13 #include <clk.h>
14 #include <fdtdec.h>
15 #include <fdt_support.h>
16 #include <malloc.h>
17 #include <dm/device.h>
18 #include <dm/device-internal.h>
19 #include <dm/lists.h>
20 #include <dm/of_access.h>
21 #include <dm/pinctrl.h>
22 #include <dm/platdata.h>
23 #include <dm/read.h>
24 #include <dm/uclass.h>
25 #include <dm/uclass-internal.h>
26 #include <dm/util.h>
27 #include <linux/err.h>
28 #include <linux/list.h>
29 
30 DECLARE_GLOBAL_DATA_PTR;
31 
device_bind_common(struct udevice * parent,const struct driver * drv,const char * name,void * platdata,ulong driver_data,ofnode node,uint of_platdata_size,struct udevice ** devp)32 static int device_bind_common(struct udevice *parent, const struct driver *drv,
33 			      const char *name, void *platdata,
34 			      ulong driver_data, ofnode node,
35 			      uint of_platdata_size, struct udevice **devp)
36 {
37 	struct udevice *dev;
38 	struct uclass *uc;
39 	int size, ret = 0;
40 
41 	if (devp)
42 		*devp = NULL;
43 	if (!name)
44 		return -EINVAL;
45 
46 	ret = uclass_get(drv->id, &uc);
47 	if (ret) {
48 		debug("Missing uclass for driver %s\n", drv->name);
49 		return ret;
50 	}
51 
52 	dev = calloc(1, sizeof(struct udevice));
53 	if (!dev)
54 		return -ENOMEM;
55 
56 	INIT_LIST_HEAD(&dev->sibling_node);
57 	INIT_LIST_HEAD(&dev->child_head);
58 	INIT_LIST_HEAD(&dev->uclass_node);
59 #ifdef CONFIG_DEVRES
60 	INIT_LIST_HEAD(&dev->devres_head);
61 #endif
62 	dev->platdata = platdata;
63 	dev->driver_data = driver_data;
64 	dev->name = name;
65 	dev->node = node;
66 	dev->parent = parent;
67 	dev->driver = drv;
68 	dev->uclass = uc;
69 
70 	dev->seq = -1;
71 	dev->req_seq = -1;
72 	if (CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(DM_SEQ_ALIAS)) {
73 		/*
74 		 * Some devices, such as a SPI bus, I2C bus and serial ports
75 		 * are numbered using aliases.
76 		 *
77 		 * This is just a 'requested' sequence, and will be
78 		 * resolved (and ->seq updated) when the device is probed.
79 		 */
80 		if (uc->uc_drv->flags & DM_UC_FLAG_SEQ_ALIAS) {
81 			if (uc->uc_drv->name && ofnode_valid(node)) {
82 				dev_read_alias_seq(dev, &dev->req_seq);
83 			}
84 		}
85 	}
86 
87 	if (drv->platdata_auto_alloc_size) {
88 		bool alloc = !platdata;
89 
90 		if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
91 			if (of_platdata_size) {
92 				dev->flags |= DM_FLAG_OF_PLATDATA;
93 				if (of_platdata_size <
94 						drv->platdata_auto_alloc_size)
95 					alloc = true;
96 			}
97 		}
98 		if (alloc) {
99 			dev->flags |= DM_FLAG_ALLOC_PDATA;
100 			dev->platdata = calloc(1,
101 					       drv->platdata_auto_alloc_size);
102 			if (!dev->platdata) {
103 				ret = -ENOMEM;
104 				goto fail_alloc1;
105 			}
106 			if (CONFIG_IS_ENABLED(OF_PLATDATA) && platdata) {
107 				memcpy(dev->platdata, platdata,
108 				       of_platdata_size);
109 			}
110 		}
111 	}
112 
113 	size = uc->uc_drv->per_device_platdata_auto_alloc_size;
114 	if (size) {
115 		dev->flags |= DM_FLAG_ALLOC_UCLASS_PDATA;
116 		dev->uclass_platdata = calloc(1, size);
117 		if (!dev->uclass_platdata) {
118 			ret = -ENOMEM;
119 			goto fail_alloc2;
120 		}
121 	}
122 
123 	if (parent) {
124 		size = parent->driver->per_child_platdata_auto_alloc_size;
125 		if (!size) {
126 			size = parent->uclass->uc_drv->
127 					per_child_platdata_auto_alloc_size;
128 		}
129 		if (size) {
130 			dev->flags |= DM_FLAG_ALLOC_PARENT_PDATA;
131 			dev->parent_platdata = calloc(1, size);
132 			if (!dev->parent_platdata) {
133 				ret = -ENOMEM;
134 				goto fail_alloc3;
135 			}
136 		}
137 	}
138 
139 	/* put dev into parent's successor list */
140 	if (parent)
141 		list_add_tail(&dev->sibling_node, &parent->child_head);
142 
143 	ret = uclass_bind_device(dev);
144 	if (ret)
145 		goto fail_uclass_bind;
146 
147 	/* if we fail to bind we remove device from successors and free it */
148 	if (drv->bind) {
149 		ret = drv->bind(dev);
150 		if (ret)
151 			goto fail_bind;
152 	}
153 	if (parent && parent->driver->child_post_bind) {
154 		ret = parent->driver->child_post_bind(dev);
155 		if (ret)
156 			goto fail_child_post_bind;
157 	}
158 	if (uc->uc_drv->post_bind) {
159 		ret = uc->uc_drv->post_bind(dev);
160 		if (ret)
161 			goto fail_uclass_post_bind;
162 	}
163 
164 	if (parent)
165 		pr_debug("Bound device %s to %s\n", dev->name, parent->name);
166 	if (devp)
167 		*devp = dev;
168 
169 	dev->flags |= DM_FLAG_BOUND;
170 
171 	return 0;
172 
173 fail_uclass_post_bind:
174 	/* There is no child unbind() method, so no clean-up required */
175 fail_child_post_bind:
176 	if (CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)) {
177 		if (drv->unbind && drv->unbind(dev)) {
178 			dm_warn("unbind() method failed on dev '%s' on error path\n",
179 				dev->name);
180 		}
181 	}
182 
183 fail_bind:
184 	if (CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)) {
185 		if (uclass_unbind_device(dev)) {
186 			dm_warn("Failed to unbind dev '%s' on error path\n",
187 				dev->name);
188 		}
189 	}
190 fail_uclass_bind:
191 	if (CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)) {
192 		list_del(&dev->sibling_node);
193 		if (dev->flags & DM_FLAG_ALLOC_PARENT_PDATA) {
194 			free(dev->parent_platdata);
195 			dev->parent_platdata = NULL;
196 		}
197 	}
198 fail_alloc3:
199 	if (dev->flags & DM_FLAG_ALLOC_UCLASS_PDATA) {
200 		free(dev->uclass_platdata);
201 		dev->uclass_platdata = NULL;
202 	}
203 fail_alloc2:
204 	if (dev->flags & DM_FLAG_ALLOC_PDATA) {
205 		free(dev->platdata);
206 		dev->platdata = NULL;
207 	}
208 fail_alloc1:
209 	devres_release_all(dev);
210 
211 	free(dev);
212 
213 	return ret;
214 }
215 
device_bind_with_driver_data(struct udevice * parent,const struct driver * drv,const char * name,ulong driver_data,ofnode node,struct udevice ** devp)216 int device_bind_with_driver_data(struct udevice *parent,
217 				 const struct driver *drv, const char *name,
218 				 ulong driver_data, ofnode node,
219 				 struct udevice **devp)
220 {
221 	return device_bind_common(parent, drv, name, NULL, driver_data, node,
222 				  0, devp);
223 }
224 
device_bind(struct udevice * parent,const struct driver * drv,const char * name,void * platdata,int of_offset,struct udevice ** devp)225 int device_bind(struct udevice *parent, const struct driver *drv,
226 		const char *name, void *platdata, int of_offset,
227 		struct udevice **devp)
228 {
229 	return device_bind_common(parent, drv, name, platdata, 0,
230 				  offset_to_ofnode(of_offset), 0, devp);
231 }
232 
device_bind_by_name(struct udevice * parent,bool pre_reloc_only,const struct driver_info * info,struct udevice ** devp)233 int device_bind_by_name(struct udevice *parent, bool pre_reloc_only,
234 			const struct driver_info *info, struct udevice **devp)
235 {
236 	struct driver *drv;
237 	uint platdata_size = 0;
238 
239 	drv = lists_driver_lookup_name(info->name);
240 	if (!drv)
241 		return -ENOENT;
242 	if (pre_reloc_only && !(drv->flags & DM_FLAG_PRE_RELOC))
243 		return -EPERM;
244 
245 #if CONFIG_IS_ENABLED(OF_PLATDATA)
246 	platdata_size = info->platdata_size;
247 #endif
248 	return device_bind_common(parent, drv, info->name,
249 			(void *)info->platdata, 0, ofnode_null(), platdata_size,
250 			devp);
251 }
252 
alloc_priv(int size,uint flags)253 static void *alloc_priv(int size, uint flags)
254 {
255 	void *priv;
256 
257 	if (flags & DM_FLAG_ALLOC_PRIV_DMA) {
258 		size = ROUND(size, ARCH_DMA_MINALIGN);
259 		priv = memalign(ARCH_DMA_MINALIGN, size);
260 		if (priv) {
261 			memset(priv, '\0', size);
262 
263 			/*
264 			 * Ensure that the zero bytes are flushed to memory.
265 			 * This prevents problems if the driver uses this as
266 			 * both an input and an output buffer:
267 			 *
268 			 * 1. Zeroes written to buffer (here) and sit in the
269 			 *	cache
270 			 * 2. Driver issues a read command to DMA
271 			 * 3. CPU runs out of cache space and evicts some cache
272 			 *	data in the buffer, writing zeroes to RAM from
273 			 *	the memset() above
274 			 * 4. DMA completes
275 			 * 5. Buffer now has some DMA data and some zeroes
276 			 * 6. Data being read is now incorrect
277 			 *
278 			 * To prevent this, ensure that the cache is clean
279 			 * within this range at the start. The driver can then
280 			 * use normal flush-after-write, invalidate-before-read
281 			 * procedures.
282 			 *
283 			 * TODO(sjg@chromium.org): Drop this microblaze
284 			 * exception.
285 			 */
286 #ifndef CONFIG_MICROBLAZE
287 			flush_dcache_range((ulong)priv, (ulong)priv + size);
288 #endif
289 		}
290 	} else {
291 		priv = calloc(1, size);
292 	}
293 
294 	return priv;
295 }
296 
device_probe(struct udevice * dev)297 int device_probe(struct udevice *dev)
298 {
299 	const struct driver *drv;
300 	int size = 0;
301 	int ret;
302 	int seq;
303 
304 	if (!dev)
305 		return -EINVAL;
306 
307 	if (dev->flags & DM_FLAG_ACTIVATED)
308 		return 0;
309 
310 	drv = dev->driver;
311 	assert(drv);
312 
313 	/* Allocate private data if requested and not reentered */
314 	if (drv->priv_auto_alloc_size && !dev->priv) {
315 		dev->priv = alloc_priv(drv->priv_auto_alloc_size, drv->flags);
316 		if (!dev->priv) {
317 			ret = -ENOMEM;
318 			goto fail;
319 		}
320 	}
321 	/* Allocate private data if requested and not reentered */
322 	size = dev->uclass->uc_drv->per_device_auto_alloc_size;
323 	if (size && !dev->uclass_priv) {
324 		dev->uclass_priv = calloc(1, size);
325 		if (!dev->uclass_priv) {
326 			ret = -ENOMEM;
327 			goto fail;
328 		}
329 	}
330 
331 	/* Ensure all parents are probed */
332 	if (dev->parent) {
333 		size = dev->parent->driver->per_child_auto_alloc_size;
334 		if (!size) {
335 			size = dev->parent->uclass->uc_drv->
336 					per_child_auto_alloc_size;
337 		}
338 		if (size && !dev->parent_priv) {
339 			dev->parent_priv = alloc_priv(size, drv->flags);
340 			if (!dev->parent_priv) {
341 				ret = -ENOMEM;
342 				goto fail;
343 			}
344 		}
345 
346 		ret = device_probe(dev->parent);
347 		if (ret)
348 			goto fail;
349 
350 		/*
351 		 * The device might have already been probed during
352 		 * the call to device_probe() on its parent device
353 		 * (e.g. PCI bridge devices). Test the flags again
354 		 * so that we don't mess up the device.
355 		 */
356 		if (dev->flags & DM_FLAG_ACTIVATED)
357 			return 0;
358 	}
359 
360 	seq = uclass_resolve_seq(dev);
361 	if (seq < 0) {
362 		ret = seq;
363 		goto fail;
364 	}
365 	dev->seq = seq;
366 
367 	dev->flags |= DM_FLAG_ACTIVATED;
368 
369 	/*
370 	 * Process pinctrl for everything except the root device, and
371 	 * continue regardless of the result of pinctrl. Don't process pinctrl
372 	 * settings for pinctrl devices since the device may not yet be
373 	 * probed.
374 	 */
375 	if (dev->parent && device_get_uclass_id(dev) != UCLASS_PINCTRL)
376 		pinctrl_select_state(dev, "default");
377 
378 	ret = uclass_pre_probe_device(dev);
379 	if (ret)
380 		goto fail;
381 
382 	if (dev->parent && dev->parent->driver->child_pre_probe) {
383 		ret = dev->parent->driver->child_pre_probe(dev);
384 		if (ret)
385 			goto fail;
386 	}
387 
388 	if (drv->ofdata_to_platdata && dev_has_of_node(dev)) {
389 		ret = drv->ofdata_to_platdata(dev);
390 		if (ret)
391 			goto fail;
392 	}
393 
394 	/* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */
395 	ret = clk_set_defaults(dev);
396 	if (ret)
397 		goto fail;
398 
399 	if (drv->probe) {
400 		ret = drv->probe(dev);
401 		if (ret) {
402 			dev->flags &= ~DM_FLAG_ACTIVATED;
403 			goto fail;
404 		}
405 	}
406 
407 	ret = uclass_post_probe_device(dev);
408 	if (ret)
409 		goto fail_uclass;
410 
411 	if (dev->parent && device_get_uclass_id(dev) == UCLASS_PINCTRL)
412 		pinctrl_select_state(dev, "default");
413 
414 	return 0;
415 fail_uclass:
416 	if (device_remove(dev, DM_REMOVE_NORMAL)) {
417 		dm_warn("%s: Device '%s' failed to remove on error path\n",
418 			__func__, dev->name);
419 	}
420 fail:
421 	dev->flags &= ~DM_FLAG_ACTIVATED;
422 
423 	dev->seq = -1;
424 	device_free(dev);
425 
426 	return ret;
427 }
428 
dev_get_platdata(struct udevice * dev)429 void *dev_get_platdata(struct udevice *dev)
430 {
431 	if (!dev) {
432 		dm_warn("%s: null device\n", __func__);
433 		return NULL;
434 	}
435 
436 	return dev->platdata;
437 }
438 
dev_get_parent_platdata(struct udevice * dev)439 void *dev_get_parent_platdata(struct udevice *dev)
440 {
441 	if (!dev) {
442 		dm_warn("%s: null device\n", __func__);
443 		return NULL;
444 	}
445 
446 	return dev->parent_platdata;
447 }
448 
dev_get_uclass_platdata(struct udevice * dev)449 void *dev_get_uclass_platdata(struct udevice *dev)
450 {
451 	if (!dev) {
452 		dm_warn("%s: null device\n", __func__);
453 		return NULL;
454 	}
455 
456 	return dev->uclass_platdata;
457 }
458 
dev_get_priv(struct udevice * dev)459 void *dev_get_priv(struct udevice *dev)
460 {
461 	if (!dev) {
462 		dm_warn("%s: null device\n", __func__);
463 		return NULL;
464 	}
465 
466 	return dev->priv;
467 }
468 
dev_get_uclass_priv(struct udevice * dev)469 void *dev_get_uclass_priv(struct udevice *dev)
470 {
471 	if (!dev) {
472 		dm_warn("%s: null device\n", __func__);
473 		return NULL;
474 	}
475 
476 	return dev->uclass_priv;
477 }
478 
dev_get_parent_priv(struct udevice * dev)479 void *dev_get_parent_priv(struct udevice *dev)
480 {
481 	if (!dev) {
482 		dm_warn("%s: null device\n", __func__);
483 		return NULL;
484 	}
485 
486 	return dev->parent_priv;
487 }
488 
device_get_device_tail(struct udevice * dev,int ret,struct udevice ** devp)489 static int device_get_device_tail(struct udevice *dev, int ret,
490 				  struct udevice **devp)
491 {
492 	if (ret)
493 		return ret;
494 
495 	ret = device_probe(dev);
496 	if (ret)
497 		return ret;
498 
499 	*devp = dev;
500 
501 	return 0;
502 }
503 
device_get_child(struct udevice * parent,int index,struct udevice ** devp)504 int device_get_child(struct udevice *parent, int index, struct udevice **devp)
505 {
506 	struct udevice *dev;
507 
508 	list_for_each_entry(dev, &parent->child_head, sibling_node) {
509 		if (!index--)
510 			return device_get_device_tail(dev, 0, devp);
511 	}
512 
513 	return -ENODEV;
514 }
515 
device_find_child_by_seq(struct udevice * parent,int seq_or_req_seq,bool find_req_seq,struct udevice ** devp)516 int device_find_child_by_seq(struct udevice *parent, int seq_or_req_seq,
517 			     bool find_req_seq, struct udevice **devp)
518 {
519 	struct udevice *dev;
520 
521 	*devp = NULL;
522 	if (seq_or_req_seq == -1)
523 		return -ENODEV;
524 
525 	list_for_each_entry(dev, &parent->child_head, sibling_node) {
526 		if ((find_req_seq ? dev->req_seq : dev->seq) ==
527 				seq_or_req_seq) {
528 			*devp = dev;
529 			return 0;
530 		}
531 	}
532 
533 	return -ENODEV;
534 }
535 
device_get_child_by_seq(struct udevice * parent,int seq,struct udevice ** devp)536 int device_get_child_by_seq(struct udevice *parent, int seq,
537 			    struct udevice **devp)
538 {
539 	struct udevice *dev;
540 	int ret;
541 
542 	*devp = NULL;
543 	ret = device_find_child_by_seq(parent, seq, false, &dev);
544 	if (ret == -ENODEV) {
545 		/*
546 		 * We didn't find it in probed devices. See if there is one
547 		 * that will request this seq if probed.
548 		 */
549 		ret = device_find_child_by_seq(parent, seq, true, &dev);
550 	}
551 	return device_get_device_tail(dev, ret, devp);
552 }
553 
device_find_child_by_of_offset(struct udevice * parent,int of_offset,struct udevice ** devp)554 int device_find_child_by_of_offset(struct udevice *parent, int of_offset,
555 				   struct udevice **devp)
556 {
557 	struct udevice *dev;
558 
559 	*devp = NULL;
560 
561 	list_for_each_entry(dev, &parent->child_head, sibling_node) {
562 		if (dev_of_offset(dev) == of_offset) {
563 			*devp = dev;
564 			return 0;
565 		}
566 	}
567 
568 	return -ENODEV;
569 }
570 
device_get_child_by_of_offset(struct udevice * parent,int node,struct udevice ** devp)571 int device_get_child_by_of_offset(struct udevice *parent, int node,
572 				  struct udevice **devp)
573 {
574 	struct udevice *dev;
575 	int ret;
576 
577 	*devp = NULL;
578 	ret = device_find_child_by_of_offset(parent, node, &dev);
579 	return device_get_device_tail(dev, ret, devp);
580 }
581 
_device_find_global_by_of_offset(struct udevice * parent,int of_offset)582 static struct udevice *_device_find_global_by_of_offset(struct udevice *parent,
583 							int of_offset)
584 {
585 	struct udevice *dev, *found;
586 
587 	if (dev_of_offset(parent) == of_offset)
588 		return parent;
589 
590 	list_for_each_entry(dev, &parent->child_head, sibling_node) {
591 		found = _device_find_global_by_of_offset(dev, of_offset);
592 		if (found)
593 			return found;
594 	}
595 
596 	return NULL;
597 }
598 
device_get_global_by_of_offset(int of_offset,struct udevice ** devp)599 int device_get_global_by_of_offset(int of_offset, struct udevice **devp)
600 {
601 	struct udevice *dev;
602 
603 	dev = _device_find_global_by_of_offset(gd->dm_root, of_offset);
604 	return device_get_device_tail(dev, dev ? 0 : -ENOENT, devp);
605 }
606 
device_find_first_child(struct udevice * parent,struct udevice ** devp)607 int device_find_first_child(struct udevice *parent, struct udevice **devp)
608 {
609 	if (list_empty(&parent->child_head)) {
610 		*devp = NULL;
611 	} else {
612 		*devp = list_first_entry(&parent->child_head, struct udevice,
613 					 sibling_node);
614 	}
615 
616 	return 0;
617 }
618 
device_find_next_child(struct udevice ** devp)619 int device_find_next_child(struct udevice **devp)
620 {
621 	struct udevice *dev = *devp;
622 	struct udevice *parent = dev->parent;
623 
624 	if (list_is_last(&dev->sibling_node, &parent->child_head)) {
625 		*devp = NULL;
626 	} else {
627 		*devp = list_entry(dev->sibling_node.next, struct udevice,
628 				   sibling_node);
629 	}
630 
631 	return 0;
632 }
633 
dev_get_parent(struct udevice * child)634 struct udevice *dev_get_parent(struct udevice *child)
635 {
636 	return child->parent;
637 }
638 
dev_get_driver_data(struct udevice * dev)639 ulong dev_get_driver_data(struct udevice *dev)
640 {
641 	return dev->driver_data;
642 }
643 
dev_get_driver_ops(struct udevice * dev)644 const void *dev_get_driver_ops(struct udevice *dev)
645 {
646 	if (!dev || !dev->driver->ops)
647 		return NULL;
648 
649 	return dev->driver->ops;
650 }
651 
device_get_uclass_id(struct udevice * dev)652 enum uclass_id device_get_uclass_id(struct udevice *dev)
653 {
654 	return dev->uclass->uc_drv->id;
655 }
656 
dev_get_uclass_name(struct udevice * dev)657 const char *dev_get_uclass_name(struct udevice *dev)
658 {
659 	if (!dev)
660 		return NULL;
661 
662 	return dev->uclass->uc_drv->name;
663 }
664 
device_has_children(struct udevice * dev)665 bool device_has_children(struct udevice *dev)
666 {
667 	return !list_empty(&dev->child_head);
668 }
669 
device_has_active_children(struct udevice * dev)670 bool device_has_active_children(struct udevice *dev)
671 {
672 	struct udevice *child;
673 
674 	for (device_find_first_child(dev, &child);
675 	     child;
676 	     device_find_next_child(&child)) {
677 		if (device_active(child))
678 			return true;
679 	}
680 
681 	return false;
682 }
683 
device_is_last_sibling(struct udevice * dev)684 bool device_is_last_sibling(struct udevice *dev)
685 {
686 	struct udevice *parent = dev->parent;
687 
688 	if (!parent)
689 		return false;
690 	return list_is_last(&dev->sibling_node, &parent->child_head);
691 }
692 
device_set_name_alloced(struct udevice * dev)693 void device_set_name_alloced(struct udevice *dev)
694 {
695 	dev->flags |= DM_FLAG_NAME_ALLOCED;
696 }
697 
device_set_name(struct udevice * dev,const char * name)698 int device_set_name(struct udevice *dev, const char *name)
699 {
700 	name = strdup(name);
701 	if (!name)
702 		return -ENOMEM;
703 	dev->name = name;
704 	device_set_name_alloced(dev);
705 
706 	return 0;
707 }
708 
device_is_compatible(struct udevice * dev,const char * compat)709 bool device_is_compatible(struct udevice *dev, const char *compat)
710 {
711 	return ofnode_device_is_compatible(dev_ofnode(dev), compat);
712 }
713 
of_machine_is_compatible(const char * compat)714 bool of_machine_is_compatible(const char *compat)
715 {
716 	const void *fdt = gd->fdt_blob;
717 
718 	return !fdt_node_check_compatible(fdt, 0, compat);
719 }
720