summaryrefslogtreecommitdiff
path: root/include/linux/pm_runtime.h
blob: 9a8151a2bdea6f714b8290d1e698e3165985aa1d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * pm_runtime.h - Device run-time power management helper functions.
 *
 * Copyright (C) 2009 Rafael J. Wysocki <rjw@sisk.pl>
 */

#ifndef _LINUX_PM_RUNTIME_H
#define _LINUX_PM_RUNTIME_H

#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/pm.h>

#include <linux/jiffies.h>

/* Runtime PM flag argument bits */
#define RPM_ASYNC		0x01	/* Request is asynchronous */
#define RPM_NOWAIT		0x02	/* Don't wait for concurrent
					    state change */
#define RPM_GET_PUT		0x04	/* Increment/decrement the
					    usage_count */
#define RPM_AUTO		0x08	/* Use autosuspend_delay */

/*
 * Use this for defining a set of PM operations to be used in all situations
 * (system suspend, hibernation or runtime PM).
 *
 * Note that the behaviour differs from the deprecated UNIVERSAL_DEV_PM_OPS()
 * macro, which uses the provided callbacks for both runtime PM and system
 * sleep, while DEFINE_RUNTIME_DEV_PM_OPS() uses pm_runtime_force_suspend()
 * and pm_runtime_force_resume() for its system sleep callbacks.
 *
 * If the underlying dev_pm_ops struct symbol has to be exported, use
 * EXPORT_RUNTIME_DEV_PM_OPS() or EXPORT_GPL_RUNTIME_DEV_PM_OPS() instead.
 */
#define DEFINE_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
	_DEFINE_DEV_PM_OPS(name, pm_runtime_force_suspend, \
			   pm_runtime_force_resume, suspend_fn, \
			   resume_fn, idle_fn)

#define EXPORT_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
	EXPORT_DEV_PM_OPS(name) = { \
		RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
	}
#define EXPORT_GPL_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
	EXPORT_GPL_DEV_PM_OPS(name) = { \
		RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
	}
#define EXPORT_NS_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn, ns) \
	EXPORT_NS_DEV_PM_OPS(name, ns) = { \
		RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
	}
#define EXPORT_NS_GPL_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn, ns) \
	EXPORT_NS_GPL_DEV_PM_OPS(name, ns) = { \
		RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
	}

#ifdef CONFIG_PM
extern struct workqueue_struct *pm_wq;

static inline bool queue_pm_work(struct work_struct *work)
{
	return queue_work(pm_wq, work);
}

extern int pm_generic_runtime_suspend(struct device *dev);
extern int pm_generic_runtime_resume(struct device *dev);
extern int pm_runtime_force_suspend(struct device *dev);
extern int pm_runtime_force_resume(struct device *dev);

extern int __pm_runtime_idle(struct device *dev, int rpmflags);
extern int __pm_runtime_suspend(struct device *dev, int rpmflags);
extern int __pm_runtime_resume(struct device *dev, int rpmflags);
extern int pm_runtime_get_if_active(struct device *dev, bool ign_usage_count);
extern int pm_schedule_suspend(struct device *dev, unsigned int delay);
extern int __pm_runtime_set_status(struct device *dev, unsigned int status);
extern int pm_runtime_barrier(struct device *dev);
extern void pm_runtime_enable(struct device *dev);
extern void __pm_runtime_disable(struct device *dev, bool check_resume);
extern void pm_runtime_allow(struct device *dev);
extern void pm_runtime_forbid(struct device *dev);
extern void pm_runtime_no_callbacks(struct device *dev);
extern void pm_runtime_irq_safe(struct device *dev);
extern void __pm_runtime_use_autosuspend(struct device *dev, bool use);
extern void pm_runtime_set_autosuspend_delay(struct device *dev, int delay);
extern u64 pm_runtime_autosuspend_expiration(struct device *dev);
extern void pm_runtime_update_max_time_suspended(struct device *dev,
						 s64 delta_ns);
extern void pm_runtime_set_memalloc_noio(struct device *dev, bool enable);
extern void pm_runtime_get_suppliers(struct device *dev);
extern void pm_runtime_put_suppliers(struct device *dev);
extern void pm_runtime_new_link(struct device *dev);
extern void pm_runtime_drop_link(struct device_link *link);
extern void pm_runtime_release_supplier(struct device_link *link);

extern int devm_pm_runtime_enable(struct device *dev);

/**
 * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
 * @dev: Target device.
 *
 * Increment the runtime PM usage counter of @dev if its runtime PM status is
 * %RPM_ACTIVE and its runtime PM usage counter is greater than 0.
 */
static inline int pm_runtime_get_if_in_use(struct device *dev)
{
	return pm_runtime_get_if_active(dev, false);
}

/**
 * pm_suspend_ignore_children - Set runtime PM behavior regarding children.
 * @dev: Target device.
 * @enable: Whether or not to ignore possible dependencies on children.
 *
 * The dependencies of @dev on its children will not be taken into account by
 * the runtime PM framework going forward if @enable is %true, or they will
 * be taken into account otherwise.
 */
static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
{
	dev->power.ignore_children = enable;
}

/**
 * pm_runtime_get_noresume - Bump up runtime PM usage counter of a device.
 * @dev: Target device.
 */
static inline void pm_runtime_get_noresume(struct device *dev)
{
	atomic_inc(&dev->power.usage_count);
}

/**
 * pm_runtime_put_noidle - Drop runtime PM usage counter of a device.
 * @dev: Target device.
 *
 * Decrement the runtime PM usage counter of @dev unless it is 0 already.
 */
static inline void pm_runtime_put_noidle(struct device *dev)
{
	atomic_add_unless(&dev->power.usage_count, -1, 0);
}

/**
 * pm_runtime_suspended - Check whether or not a device is runtime-suspended.
 * @dev: Target device.
 *
 * Return %true if runtime PM is enabled for @dev and its runtime PM status is
 * %RPM_SUSPENDED, or %false otherwise.
 *
 * Note that the return value of this function can only be trusted if it is
 * called under the runtime PM lock of @dev or under conditions in which
 * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
 * status cannot change.
 */
static inline bool pm_runtime_suspended(struct device *dev)
{
	return dev->power.runtime_status == RPM_SUSPENDED
		&& !dev->power.disable_depth;
}

/**
 * pm_runtime_active - Check whether or not a device is runtime-active.
 * @dev: Target device.
 *
 * Return %true if runtime PM is disabled for @dev or its runtime PM status is
 * %RPM_ACTIVE, or %false otherwise.
 *
 * Note that the return value of this function can only be trusted if it is
 * called under the runtime PM lock of @dev or under conditions in which
 * runtime PM cannot be either disabled or enabled for @dev and its runtime PM
 * status cannot change.
 */
static inline bool pm_runtime_active(struct device *dev)
{
	return dev->power.runtime_status == RPM_ACTIVE
		|| dev->power.disable_depth;
}

/**
 * pm_runtime_status_suspended - Check if runtime PM status is "suspended".
 * @dev: Target device.
 *
 * Return %true if the runtime PM status of @dev is %RPM_SUSPENDED, or %false
 * otherwise, regardless of whether or not runtime PM has been enabled for @dev.
 *
 * Note that the return value of this function can only be trusted if it is
 * called under the runtime PM lock of @dev or under conditions in which the
 * runtime PM status of @dev cannot change.
 */
static inline bool pm_runtime_status_suspended(struct device *dev)
{
	return dev->power.runtime_status == RPM_SUSPENDED;
}

/**
 * pm_runtime_enabled - Check if runtime PM is enabled.
 * @dev: Target device.
 *
 * Return %true if runtime PM is enabled for @dev or %false otherwise.
 *
 * Note that the return value of this function can only be trusted if it is
 * called under the runtime PM lock of @dev or under conditions in which
 * runtime PM cannot be either disabled or enabled for @dev.
 */
static inline bool pm_runtime_enabled(struct device *dev)
{
	return !dev->power.disable_depth;
}

/**
 * pm_runtime_has_no_callbacks - Check if runtime PM callbacks may be present.
 * @dev: Target device.
 *
 * Return %true if @dev is a special device without runtime PM callbacks or
 * %false otherwise.
 */
static inline bool pm_runtime_has_no_callbacks(struct device *dev)
{
	return dev->power.no_callbacks;
}

/**
 * pm_runtime_mark_last_busy - Update the last access time of a device.
 * @dev: Target device.
 *
 * Update the last access time of @dev used by the runtime PM autosuspend
 * mechanism to the current time as returned by ktime_get_mono_fast_ns().
 */
static inline void pm_runtime_mark_last_busy(struct device *dev)
{
	WRITE_ONCE(dev->power.last_busy, ktime_get_mono_fast_ns());
}

/**
 * pm_runtime_is_irq_safe - Check if runtime PM can work in interrupt context.
 * @dev: Target device.
 *
 * Return %true if @dev has been marked as an "IRQ-safe" device (with respect
 * to runtime PM), in which case its runtime PM callabcks can be expected to
 * work correctly when invoked from interrupt handlers.
 */
static inline bool pm_runtime_is_irq_safe(struct device *dev)
{
	return dev->power.irq_safe;
}

extern u64 pm_runtime_suspended_time(struct device *dev);

#else /* !CONFIG_PM */

static inline bool queue_pm_work(struct work_struct *work) { return false; }

static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; }
static inline int pm_generic_runtime_resume(struct device *dev) { return 0; }
static inline int pm_runtime_force_suspend(struct device *dev) { return 0; }
static inline int pm_runtime_force_resume(struct device *dev) { return 0; }

static inline int __pm_runtime_idle(struct device *dev, int rpmflags)
{
	return -ENOSYS;
}
static inline int __pm_runtime_suspend(struct device *dev, int rpmflags)
{
	return -ENOSYS;
}
static inline int __pm_runtime_resume(struct device *dev, int rpmflags)
{
	return 1;
}
static inline int pm_schedule_suspend(struct device *dev, unsigned int delay)
{
	return -ENOSYS;
}
static inline int pm_runtime_get_if_in_use(struct device *dev)
{
	return -EINVAL;
}
static inline int pm_runtime_get_if_active(struct device *dev,
					   bool ign_usage_count)
{
	return -EINVAL;
}
static inline int __pm_runtime_set_status(struct device *dev,
					    unsigned int status) { return 0; }
static inline int pm_runtime_barrier(struct device *dev) { return 0; }
static inline void pm_runtime_enable(struct device *dev) {}
static inline void __pm_runtime_disable(struct device *dev, bool c) {}
static inline void pm_runtime_allow(struct device *dev) {}
static inline void pm_runtime_forbid(struct device *dev) {}

static inline int devm_pm_runtime_enable(struct device *dev) { return 0; }

static inline void pm_suspend_ignore_children(struct device *dev, bool enable) {}
static inline void pm_runtime_get_noresume(struct device *dev) {}
static inline void pm_runtime_put_noidle(struct device *dev) {}
static inline bool pm_runtime_suspended(struct device *dev) { return false; }
static inline bool pm_runtime_active(struct device *dev) { return true; }
static inline bool pm_runtime_status_suspended(struct device *dev) { return false; }
static inline bool pm_runtime_enabled(struct device *dev) { return false; }

static inline void pm_runtime_no_callbacks(struct device *dev) {}
static inline void pm_runtime_irq_safe(struct device *dev) {}
static inline bool pm_runtime_is_irq_safe(struct device *dev) { return false; }

static inline bool pm_runtime_has_no_callbacks(struct device *dev) { return false; }
static inline void pm_runtime_mark_last_busy(struct device *dev) {}
static inline void __pm_runtime_use_autosuspend(struct device *dev,
						bool use) {}
static inline void pm_runtime_set_autosuspend_delay(struct device *dev,
						int delay) {}
static inline u64 pm_runtime_autosuspend_expiration(
				struct device *dev) { return 0; }
static inline void pm_runtime_set_memalloc_noio(struct device *dev,
						bool enable){}
static inline void pm_runtime_get_suppliers(struct device *dev) {}
static inline void pm_runtime_put_suppliers(struct device *dev) {}
static inline void pm_runtime_new_link(struct device *dev) {}
static inline void pm_runtime_drop_link(struct device_link *link) {}
static inline void pm_runtime_release_supplier(struct device_link *link) {}

#endif /* !CONFIG_PM */

/**
 * pm_runtime_idle - Conditionally set up autosuspend of a device or suspend it.
 * @dev: Target device.
 *
 * Invoke the "idle check" callback of @dev and, depending on its return value,
 * set up autosuspend of @dev or suspend it (depending on whether or not
 * autosuspend has been enabled for it).
 */
static inline int pm_runtime_idle(struct device *dev)
{
	return __pm_runtime_idle(dev, 0);
}

/**
 * pm_runtime_suspend - Suspend a device synchronously.
 * @dev: Target device.
 */
static inline int pm_runtime_suspend(struct device *dev)
{
	return __pm_runtime_suspend(dev, 0);
}

/**
 * pm_runtime_autosuspend - Set up autosuspend of a device or suspend it.
 * @dev: Target device.
 *
 * Set up autosuspend of @dev or suspend it (depending on whether or not
 * autosuspend is enabled for it) without engaging its "idle check" callback.
 */
static inline int pm_runtime_autosuspend(struct device *dev)
{
	return __pm_runtime_suspend(dev, RPM_AUTO);
}

/**
 * pm_runtime_resume - Resume a device synchronously.
 * @dev: Target device.
 */
static inline int pm_runtime_resume(struct device *dev)
{
	return __pm_runtime_resume(dev, 0);
}

/**
 * pm_request_idle - Queue up "idle check" execution for a device.
 * @dev: Target device.
 *
 * Queue up a work item to run an equivalent of pm_runtime_idle() for @dev
 * asynchronously.
 */
static inline int pm_request_idle(struct device *dev)
{
	return __pm_runtime_idle(dev, RPM_ASYNC);
}

/**
 * pm_request_resume - Queue up runtime-resume of a device.
 * @dev: Target device.
 */
static inline int pm_request_resume(struct device *dev)
{
	return __pm_runtime_resume(dev, RPM_ASYNC);
}

/**
 * pm_request_autosuspend - Queue up autosuspend of a device.
 * @dev: Target device.
 *
 * Queue up a work item to run an equivalent pm_runtime_autosuspend() for @dev
 * asynchronously.
 */
static inline int pm_request_autosuspend(struct device *dev)
{
	return __pm_runtime_suspend(dev, RPM_ASYNC | RPM_AUTO);
}

/**
 * pm_runtime_get - Bump up usage counter and queue up resume of a device.
 * @dev: Target device.
 *
 * Bump up the runtime PM usage counter of @dev and queue up a work item to
 * carry out runtime-resume of it.
 */
static inline int pm_runtime_get(struct device *dev)
{
	return __pm_runtime_resume(dev, RPM_GET_PUT | RPM_ASYNC);
}

/**
 * pm_runtime_get_sync - Bump up usage counter of a device and resume it.
 * @dev: Target device.
 *
 * Bump up the runtime PM usage counter of @dev and carry out runtime-resume of
 * it synchronously.
 *
 * The possible return values of this function are the same as for
 * pm_runtime_resume() and the runtime PM usage counter of @dev remains
 * incremented in all cases, even if it returns an error code.
 * Consider using pm_runtime_resume_and_get() instead of it, especially
 * if its return value is checked by the caller, as this is likely to result
 * in cleaner code.
 */
static inline int pm_runtime_get_sync(struct device *dev)
{
	return __pm_runtime_resume(dev, RPM_GET_PUT);
}

/**
 * pm_runtime_resume_and_get - Bump up usage counter of a device and resume it.
 * @dev: Target device.
 *
 * Resume @dev synchronously and if that is successful, increment its runtime
 * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
 * incremented or a negative error code otherwise.
 */
static inline int pm_runtime_resume_and_get(struct device *dev)
{
	int ret;

	ret = __pm_runtime_resume(dev, RPM_GET_PUT);
	if (ret < 0) {
		pm_runtime_put_noidle(dev);
		return ret;
	}

	return 0;
}

/**
 * pm_runtime_put - Drop device usage counter and queue up "idle check" if 0.
 * @dev: Target device.
 *
 * Decrement the runtime PM usage counter of @dev and if it turns out to be
 * equal to 0, queue up a work item for @dev like in pm_request_idle().
 */
static inline int pm_runtime_put(struct device *dev)
{
	return __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC);
}

/**
 * pm_runtime_put_autosuspend - Drop device usage counter and queue autosuspend if 0.
 * @dev: Target device.
 *
 * Decrement the runtime PM usage counter of @dev and if it turns out to be
 * equal to 0, queue up a work item for @dev like in pm_request_autosuspend().
 */
static inline int pm_runtime_put_autosuspend(struct device *dev)
{
	return __pm_runtime_suspend(dev,
	    RPM_GET_PUT | RPM_ASYNC | RPM_AUTO);
}

/**
 * pm_runtime_put_sync - Drop device usage counter and run "idle check" if 0.
 * @dev: Target device.
 *
 * Decrement the runtime PM usage counter of @dev and if it turns out to be
 * equal to 0, invoke the "idle check" callback of @dev and, depending on its
 * return value, set up autosuspend of @dev or suspend it (depending on whether
 * or not autosuspend has been enabled for it).
 *
 * The possible return values of this function are the same as for
 * pm_runtime_idle() and the runtime PM usage counter of @dev remains
 * decremented in all cases, even if it returns an error code.
 */
static inline int pm_runtime_put_sync(struct device *dev)
{
	return __pm_runtime_idle(dev, RPM_GET_PUT);
}

/**
 * pm_runtime_put_sync_suspend - Drop device usage counter and suspend if 0.
 * @dev: Target device.
 *
 * Decrement the runtime PM usage counter of @dev and if it turns out to be
 * equal to 0, carry out runtime-suspend of @dev synchronously.
 *
 * The possible return values of this function are the same as for
 * pm_runtime_suspend() and the runtime PM usage counter of @dev remains
 * decremented in all cases, even if it returns an error code.
 */
static inline int pm_runtime_put_sync_suspend(struct device *dev)
{
	return __pm_runtime_suspend(dev, RPM_GET_PUT);
}

/**
 * pm_runtime_put_sync_autosuspend - Drop device usage counter and autosuspend if 0.
 * @dev: Target device.
 *
 * Decrement the runtime PM usage counter of @dev and if it turns out to be
 * equal to 0, set up autosuspend of @dev or suspend it synchronously (depending
 * on whether or not autosuspend has been enabled for it).
 *
 * The possible return values of this function are the same as for
 * pm_runtime_autosuspend() and the runtime PM usage counter of @dev remains
 * decremented in all cases, even if it returns an error code.
 */
static inline int pm_runtime_put_sync_autosuspend(struct device *dev)
{
	return __pm_runtime_suspend(dev, RPM_GET_PUT | RPM_AUTO);
}

/**
 * pm_runtime_set_active - Set runtime PM status to "active".
 * @dev: Target device.
 *
 * Set the runtime PM status of @dev to %RPM_ACTIVE and ensure that dependencies
 * of it will be taken into account.
 *
 * It is not valid to call this function for devices with runtime PM enabled.
 */
static inline int pm_runtime_set_active(struct device *dev)
{
	return __pm_runtime_set_status(dev, RPM_ACTIVE);
}

/**
 * pm_runtime_set_suspended - Set runtime PM status to "suspended".
 * @dev: Target device.
 *
 * Set the runtime PM status of @dev to %RPM_SUSPENDED and ensure that
 * dependencies of it will be taken into account.
 *
 * It is not valid to call this function for devices with runtime PM enabled.
 */
static inline int pm_runtime_set_suspended(struct device *dev)
{
	return __pm_runtime_set_status(dev, RPM_SUSPENDED);
}

/**
 * pm_runtime_disable - Disable runtime PM for a device.
 * @dev: Target device.
 *
 * Prevent the runtime PM framework from working with @dev (by incrementing its
 * "blocking" counter).
 *
 * For each invocation of this function for @dev there must be a matching
 * pm_runtime_enable() call in order for runtime PM to be enabled for it.
 */
static inline void pm_runtime_disable(struct device *dev)
{
	__pm_runtime_disable(dev, true);
}

/**
 * pm_runtime_use_autosuspend - Allow autosuspend to be used for a device.
 * @dev: Target device.
 *
 * Allow the runtime PM autosuspend mechanism to be used for @dev whenever
 * requested (or "autosuspend" will be handled as direct runtime-suspend for
 * it).
 *
 * NOTE: It's important to undo this with pm_runtime_dont_use_autosuspend()
 * at driver exit time unless your driver initially enabled pm_runtime
 * with devm_pm_runtime_enable() (which handles it for you).
 */
static inline void pm_runtime_use_autosuspend(struct device *dev)
{
	__pm_runtime_use_autosuspend(dev, true);
}

/**
 * pm_runtime_dont_use_autosuspend - Prevent autosuspend from being used.
 * @dev: Target device.
 *
 * Prevent the runtime PM autosuspend mechanism from being used for @dev which
 * means that "autosuspend" will be handled as direct runtime-suspend for it
 * going forward.
 */
static inline void pm_runtime_dont_use_autosuspend(struct device *dev)
{
	__pm_runtime_use_autosuspend(dev, false);
}

#endif