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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * IRQ subsystem internal functions and variables:
4 *
5 * Do not ever include this file from anything else than
6 * kernel/irq/. Do not even think about using any information outside
7 * of this file for your non core code.
8 */
9#include <linux/irqdesc.h>
10#include <linux/kernel_stat.h>
11#include <linux/pm_runtime.h>
12#include <linux/sched/clock.h>
13
14#ifdef CONFIG_SPARSE_IRQ
15# define IRQ_BITMAP_BITS (NR_IRQS + 8196)
16#else
17# define IRQ_BITMAP_BITS NR_IRQS
18#endif
19
20#define istate core_internal_state__do_not_mess_with_it
21
22extern bool noirqdebug;
23
24extern struct irqaction chained_action;
25
26/*
27 * Bits used by threaded handlers:
28 * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run
29 * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
30 * IRQTF_AFFINITY - irq thread is requested to adjust affinity
31 * IRQTF_FORCED_THREAD - irq action is force threaded
32 * IRQTF_READY - signals that irq thread is ready
33 */
34enum {
35 IRQTF_RUNTHREAD,
36 IRQTF_WARNED,
37 IRQTF_AFFINITY,
38 IRQTF_FORCED_THREAD,
39 IRQTF_READY,
40};
41
42/*
43 * Bit masks for desc->core_internal_state__do_not_mess_with_it
44 *
45 * IRQS_AUTODETECT - autodetection in progress
46 * IRQS_SPURIOUS_DISABLED - was disabled due to spurious interrupt
47 * detection
48 * IRQS_POLL_INPROGRESS - polling in progress
49 * IRQS_ONESHOT - irq is not unmasked in primary handler
50 * IRQS_REPLAY - irq is replayed
51 * IRQS_WAITING - irq is waiting
52 * IRQS_PENDING - irq is pending and replayed later
53 * IRQS_SUSPENDED - irq is suspended
54 * IRQS_NMI - irq line is used to deliver NMIs
55 * IRQS_SYSFS - descriptor has been added to sysfs
56 */
57enum {
58 IRQS_AUTODETECT = 0x00000001,
59 IRQS_SPURIOUS_DISABLED = 0x00000002,
60 IRQS_POLL_INPROGRESS = 0x00000008,
61 IRQS_ONESHOT = 0x00000020,
62 IRQS_REPLAY = 0x00000040,
63 IRQS_WAITING = 0x00000080,
64 IRQS_PENDING = 0x00000200,
65 IRQS_SUSPENDED = 0x00000800,
66 IRQS_TIMINGS = 0x00001000,
67 IRQS_NMI = 0x00002000,
68 IRQS_SYSFS = 0x00004000,
69};
70
71#include "debug.h"
72#include "settings.h"
73
74extern int __irq_set_trigger(struct irq_desc *desc, unsigned long flags);
75extern void __disable_irq(struct irq_desc *desc);
76extern void __enable_irq(struct irq_desc *desc);
77
78#define IRQ_RESEND true
79#define IRQ_NORESEND false
80
81#define IRQ_START_FORCE true
82#define IRQ_START_COND false
83
84extern int irq_activate(struct irq_desc *desc);
85extern int irq_activate_and_startup(struct irq_desc *desc, bool resend);
86extern int irq_startup(struct irq_desc *desc, bool resend, bool force);
87
88extern void irq_shutdown(struct irq_desc *desc);
89extern void irq_shutdown_and_deactivate(struct irq_desc *desc);
90extern void irq_enable(struct irq_desc *desc);
91extern void irq_disable(struct irq_desc *desc);
92extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu);
93extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
94extern void mask_irq(struct irq_desc *desc);
95extern void unmask_irq(struct irq_desc *desc);
96extern void unmask_threaded_irq(struct irq_desc *desc);
97
98#ifdef CONFIG_SPARSE_IRQ
99static inline void irq_mark_irq(unsigned int irq) { }
100#else
101extern void irq_mark_irq(unsigned int irq);
102#endif
103
104extern int __irq_get_irqchip_state(struct irq_data *data,
105 enum irqchip_irq_state which,
106 bool *state);
107
108extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
109
110irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc);
111irqreturn_t handle_irq_event_percpu(struct irq_desc *desc);
112irqreturn_t handle_irq_event(struct irq_desc *desc);
113
114/* Resending of interrupts :*/
115int check_irq_resend(struct irq_desc *desc, bool inject);
116bool irq_wait_for_poll(struct irq_desc *desc);
117void __irq_wake_thread(struct irq_desc *desc, struct irqaction *action);
118
119#ifdef CONFIG_PROC_FS
120extern void register_irq_proc(unsigned int irq, struct irq_desc *desc);
121extern void unregister_irq_proc(unsigned int irq, struct irq_desc *desc);
122extern void register_handler_proc(unsigned int irq, struct irqaction *action);
123extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
124#else
125static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { }
126static inline void unregister_irq_proc(unsigned int irq, struct irq_desc *desc) { }
127static inline void register_handler_proc(unsigned int irq,
128 struct irqaction *action) { }
129static inline void unregister_handler_proc(unsigned int irq,
130 struct irqaction *action) { }
131#endif
132
133extern bool irq_can_set_affinity_usr(unsigned int irq);
134
135extern void irq_set_thread_affinity(struct irq_desc *desc);
136
137extern int irq_do_set_affinity(struct irq_data *data,
138 const struct cpumask *dest, bool force);
139
140#ifdef CONFIG_SMP
141extern int irq_setup_affinity(struct irq_desc *desc);
142#else
143static inline int irq_setup_affinity(struct irq_desc *desc) { return 0; }
144#endif
145
146/* Inline functions for support of irq chips on slow busses */
147static inline void chip_bus_lock(struct irq_desc *desc)
148{
149 if (unlikely(desc->irq_data.chip->irq_bus_lock))
150 desc->irq_data.chip->irq_bus_lock(&desc->irq_data);
151}
152
153static inline void chip_bus_sync_unlock(struct irq_desc *desc)
154{
155 if (unlikely(desc->irq_data.chip->irq_bus_sync_unlock))
156 desc->irq_data.chip->irq_bus_sync_unlock(&desc->irq_data);
157}
158
159#define _IRQ_DESC_CHECK (1 << 0)
160#define _IRQ_DESC_PERCPU (1 << 1)
161
162#define IRQ_GET_DESC_CHECK_GLOBAL (_IRQ_DESC_CHECK)
163#define IRQ_GET_DESC_CHECK_PERCPU (_IRQ_DESC_CHECK | _IRQ_DESC_PERCPU)
164
165#define for_each_action_of_desc(desc, act) \
166 for (act = desc->action; act; act = act->next)
167
168struct irq_desc *
169__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
170 unsigned int check);
171void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus);
172
173static inline struct irq_desc *
174irq_get_desc_buslock(unsigned int irq, unsigned long *flags, unsigned int check)
175{
176 return __irq_get_desc_lock(irq, flags, true, check);
177}
178
179static inline void
180irq_put_desc_busunlock(struct irq_desc *desc, unsigned long flags)
181{
182 __irq_put_desc_unlock(desc, flags, true);
183}
184
185static inline struct irq_desc *
186irq_get_desc_lock(unsigned int irq, unsigned long *flags, unsigned int check)
187{
188 return __irq_get_desc_lock(irq, flags, false, check);
189}
190
191static inline void
192irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags)
193{
194 __irq_put_desc_unlock(desc, flags, false);
195}
196
197#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
198
199static inline unsigned int irqd_get(struct irq_data *d)
200{
201 return __irqd_to_state(d);
202}
203
204/*
205 * Manipulation functions for irq_data.state
206 */
207static inline void irqd_set_move_pending(struct irq_data *d)
208{
209 __irqd_to_state(d) |= IRQD_SETAFFINITY_PENDING;
210}
211
212static inline void irqd_clr_move_pending(struct irq_data *d)
213{
214 __irqd_to_state(d) &= ~IRQD_SETAFFINITY_PENDING;
215}
216
217static inline void irqd_set_managed_shutdown(struct irq_data *d)
218{
219 __irqd_to_state(d) |= IRQD_MANAGED_SHUTDOWN;
220}
221
222static inline void irqd_clr_managed_shutdown(struct irq_data *d)
223{
224 __irqd_to_state(d) &= ~IRQD_MANAGED_SHUTDOWN;
225}
226
227static inline void irqd_clear(struct irq_data *d, unsigned int mask)
228{
229 __irqd_to_state(d) &= ~mask;
230}
231
232static inline void irqd_set(struct irq_data *d, unsigned int mask)
233{
234 __irqd_to_state(d) |= mask;
235}
236
237static inline bool irqd_has_set(struct irq_data *d, unsigned int mask)
238{
239 return __irqd_to_state(d) & mask;
240}
241
242static inline void irq_state_set_disabled(struct irq_desc *desc)
243{
244 irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
245}
246
247static inline void irq_state_set_masked(struct irq_desc *desc)
248{
249 irqd_set(&desc->irq_data, IRQD_IRQ_MASKED);
250}
251
252#undef __irqd_to_state
253
254static inline void __kstat_incr_irqs_this_cpu(struct irq_desc *desc)
255{
256 __this_cpu_inc(*desc->kstat_irqs);
257 __this_cpu_inc(kstat.irqs_sum);
258}
259
260static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc)
261{
262 __kstat_incr_irqs_this_cpu(desc);
263 desc->tot_count++;
264}
265
266static inline int irq_desc_get_node(struct irq_desc *desc)
267{
268 return irq_common_data_get_node(&desc->irq_common_data);
269}
270
271static inline int irq_desc_is_chained(struct irq_desc *desc)
272{
273 return (desc->action && desc->action == &chained_action);
274}
275
276#ifdef CONFIG_PM_SLEEP
277bool irq_pm_check_wakeup(struct irq_desc *desc);
278void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action);
279void irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action);
280#else
281static inline bool irq_pm_check_wakeup(struct irq_desc *desc) { return false; }
282static inline void
283irq_pm_install_action(struct irq_desc *desc, struct irqaction *action) { }
284static inline void
285irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action) { }
286#endif
287
288#ifdef CONFIG_IRQ_TIMINGS
289
290#define IRQ_TIMINGS_SHIFT 5
291#define IRQ_TIMINGS_SIZE (1 << IRQ_TIMINGS_SHIFT)
292#define IRQ_TIMINGS_MASK (IRQ_TIMINGS_SIZE - 1)
293
294/**
295 * struct irq_timings - irq timings storing structure
296 * @values: a circular buffer of u64 encoded <timestamp,irq> values
297 * @count: the number of elements in the array
298 */
299struct irq_timings {
300 u64 values[IRQ_TIMINGS_SIZE];
301 int count;
302};
303
304DECLARE_PER_CPU(struct irq_timings, irq_timings);
305
306extern void irq_timings_free(int irq);
307extern int irq_timings_alloc(int irq);
308
309static inline void irq_remove_timings(struct irq_desc *desc)
310{
311 desc->istate &= ~IRQS_TIMINGS;
312
313 irq_timings_free(irq_desc_get_irq(desc));
314}
315
316static inline void irq_setup_timings(struct irq_desc *desc, struct irqaction *act)
317{
318 int irq = irq_desc_get_irq(desc);
319 int ret;
320
321 /*
322 * We don't need the measurement because the idle code already
323 * knows the next expiry event.
324 */
325 if (act->flags & __IRQF_TIMER)
326 return;
327
328 /*
329 * In case the timing allocation fails, we just want to warn,
330 * not fail, so letting the system boot anyway.
331 */
332 ret = irq_timings_alloc(irq);
333 if (ret) {
334 pr_warn("Failed to allocate irq timing stats for irq%d (%d)",
335 irq, ret);
336 return;
337 }
338
339 desc->istate |= IRQS_TIMINGS;
340}
341
342extern void irq_timings_enable(void);
343extern void irq_timings_disable(void);
344
345DECLARE_STATIC_KEY_FALSE(irq_timing_enabled);
346
347/*
348 * The interrupt number and the timestamp are encoded into a single
349 * u64 variable to optimize the size.
350 * 48 bit time stamp and 16 bit IRQ number is way sufficient.
351 * Who cares an IRQ after 78 hours of idle time?
352 */
353static inline u64 irq_timing_encode(u64 timestamp, int irq)
354{
355 return (timestamp << 16) | irq;
356}
357
358static inline int irq_timing_decode(u64 value, u64 *timestamp)
359{
360 *timestamp = value >> 16;
361 return value & U16_MAX;
362}
363
364static __always_inline void irq_timings_push(u64 ts, int irq)
365{
366 struct irq_timings *timings = this_cpu_ptr(&irq_timings);
367
368 timings->values[timings->count & IRQ_TIMINGS_MASK] =
369 irq_timing_encode(ts, irq);
370
371 timings->count++;
372}
373
374/*
375 * The function record_irq_time is only called in one place in the
376 * interrupts handler. We want this function always inline so the code
377 * inside is embedded in the function and the static key branching
378 * code can act at the higher level. Without the explicit
379 * __always_inline we can end up with a function call and a small
380 * overhead in the hotpath for nothing.
381 */
382static __always_inline void record_irq_time(struct irq_desc *desc)
383{
384 if (!static_branch_likely(&irq_timing_enabled))
385 return;
386
387 if (desc->istate & IRQS_TIMINGS)
388 irq_timings_push(local_clock(), irq_desc_get_irq(desc));
389}
390#else
391static inline void irq_remove_timings(struct irq_desc *desc) {}
392static inline void irq_setup_timings(struct irq_desc *desc,
393 struct irqaction *act) {};
394static inline void record_irq_time(struct irq_desc *desc) {}
395#endif /* CONFIG_IRQ_TIMINGS */
396
397
398#ifdef CONFIG_GENERIC_IRQ_CHIP
399void irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
400 int num_ct, unsigned int irq_base,
401 void __iomem *reg_base, irq_flow_handler_t handler);
402#else
403static inline void
404irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
405 int num_ct, unsigned int irq_base,
406 void __iomem *reg_base, irq_flow_handler_t handler) { }
407#endif /* CONFIG_GENERIC_IRQ_CHIP */
408
409#ifdef CONFIG_GENERIC_PENDING_IRQ
410static inline bool irq_can_move_pcntxt(struct irq_data *data)
411{
412 return irqd_can_move_in_process_context(data);
413}
414static inline bool irq_move_pending(struct irq_data *data)
415{
416 return irqd_is_setaffinity_pending(data);
417}
418static inline void
419irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask)
420{
421 cpumask_copy(desc->pending_mask, mask);
422}
423static inline void
424irq_get_pending(struct cpumask *mask, struct irq_desc *desc)
425{
426 cpumask_copy(mask, desc->pending_mask);
427}
428static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
429{
430 return desc->pending_mask;
431}
432static inline bool handle_enforce_irqctx(struct irq_data *data)
433{
434 return irqd_is_handle_enforce_irqctx(data);
435}
436bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear);
437#else /* CONFIG_GENERIC_PENDING_IRQ */
438static inline bool irq_can_move_pcntxt(struct irq_data *data)
439{
440 return true;
441}
442static inline bool irq_move_pending(struct irq_data *data)
443{
444 return false;
445}
446static inline void
447irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask)
448{
449}
450static inline void
451irq_get_pending(struct cpumask *mask, struct irq_desc *desc)
452{
453}
454static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
455{
456 return NULL;
457}
458static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
459{
460 return false;
461}
462static inline bool handle_enforce_irqctx(struct irq_data *data)
463{
464 return false;
465}
466#endif /* !CONFIG_GENERIC_PENDING_IRQ */
467
468#if !defined(CONFIG_IRQ_DOMAIN) || !defined(CONFIG_IRQ_DOMAIN_HIERARCHY)
469static inline int irq_domain_activate_irq(struct irq_data *data, bool reserve)
470{
471 irqd_set_activated(data);
472 return 0;
473}
474static inline void irq_domain_deactivate_irq(struct irq_data *data)
475{
476 irqd_clr_activated(data);
477}
478#endif
479
480static inline struct irq_data *irqd_get_parent_data(struct irq_data *irqd)
481{
482#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
483 return irqd->parent_data;
484#else
485 return NULL;
486#endif
487}
488
489#ifdef CONFIG_GENERIC_IRQ_DEBUGFS
490#include <linux/debugfs.h>
491
492void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *desc);
493static inline void irq_remove_debugfs_entry(struct irq_desc *desc)
494{
495 debugfs_remove(desc->debugfs_file);
496 kfree(desc->dev_name);
497}
498void irq_debugfs_copy_devname(int irq, struct device *dev);
499# ifdef CONFIG_IRQ_DOMAIN
500void irq_domain_debugfs_init(struct dentry *root);
501# else
502static inline void irq_domain_debugfs_init(struct dentry *root)
503{
504}
505# endif
506#else /* CONFIG_GENERIC_IRQ_DEBUGFS */
507static inline void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *d)
508{
509}
510static inline void irq_remove_debugfs_entry(struct irq_desc *d)
511{
512}
513static inline void irq_debugfs_copy_devname(int irq, struct device *dev)
514{
515}
516#endif /* CONFIG_GENERIC_IRQ_DEBUGFS */
1/*
2 * IRQ subsystem internal functions and variables:
3 *
4 * Do not ever include this file from anything else than
5 * kernel/irq/. Do not even think about using any information outside
6 * of this file for your non core code.
7 */
8#include <linux/irqdesc.h>
9
10#ifdef CONFIG_SPARSE_IRQ
11# define IRQ_BITMAP_BITS (NR_IRQS + 8196)
12#else
13# define IRQ_BITMAP_BITS NR_IRQS
14#endif
15
16#define istate core_internal_state__do_not_mess_with_it
17
18extern bool noirqdebug;
19
20/*
21 * Bits used by threaded handlers:
22 * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run
23 * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
24 * IRQTF_AFFINITY - irq thread is requested to adjust affinity
25 * IRQTF_FORCED_THREAD - irq action is force threaded
26 */
27enum {
28 IRQTF_RUNTHREAD,
29 IRQTF_WARNED,
30 IRQTF_AFFINITY,
31 IRQTF_FORCED_THREAD,
32};
33
34/*
35 * Bit masks for desc->state
36 *
37 * IRQS_AUTODETECT - autodetection in progress
38 * IRQS_SPURIOUS_DISABLED - was disabled due to spurious interrupt
39 * detection
40 * IRQS_POLL_INPROGRESS - polling in progress
41 * IRQS_ONESHOT - irq is not unmasked in primary handler
42 * IRQS_REPLAY - irq is replayed
43 * IRQS_WAITING - irq is waiting
44 * IRQS_PENDING - irq is pending and replayed later
45 * IRQS_SUSPENDED - irq is suspended
46 */
47enum {
48 IRQS_AUTODETECT = 0x00000001,
49 IRQS_SPURIOUS_DISABLED = 0x00000002,
50 IRQS_POLL_INPROGRESS = 0x00000008,
51 IRQS_ONESHOT = 0x00000020,
52 IRQS_REPLAY = 0x00000040,
53 IRQS_WAITING = 0x00000080,
54 IRQS_PENDING = 0x00000200,
55 IRQS_SUSPENDED = 0x00000800,
56};
57
58#include "debug.h"
59#include "settings.h"
60
61#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data)
62
63extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
64 unsigned long flags);
65extern void __disable_irq(struct irq_desc *desc, unsigned int irq, bool susp);
66extern void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume);
67
68extern int irq_startup(struct irq_desc *desc, bool resend);
69extern void irq_shutdown(struct irq_desc *desc);
70extern void irq_enable(struct irq_desc *desc);
71extern void irq_disable(struct irq_desc *desc);
72extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu);
73extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
74extern void mask_irq(struct irq_desc *desc);
75extern void unmask_irq(struct irq_desc *desc);
76
77extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
78
79irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action);
80irqreturn_t handle_irq_event(struct irq_desc *desc);
81
82/* Resending of interrupts :*/
83void check_irq_resend(struct irq_desc *desc, unsigned int irq);
84bool irq_wait_for_poll(struct irq_desc *desc);
85
86#ifdef CONFIG_PROC_FS
87extern void register_irq_proc(unsigned int irq, struct irq_desc *desc);
88extern void unregister_irq_proc(unsigned int irq, struct irq_desc *desc);
89extern void register_handler_proc(unsigned int irq, struct irqaction *action);
90extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
91#else
92static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { }
93static inline void unregister_irq_proc(unsigned int irq, struct irq_desc *desc) { }
94static inline void register_handler_proc(unsigned int irq,
95 struct irqaction *action) { }
96static inline void unregister_handler_proc(unsigned int irq,
97 struct irqaction *action) { }
98#endif
99
100extern int irq_select_affinity_usr(unsigned int irq, struct cpumask *mask);
101
102extern void irq_set_thread_affinity(struct irq_desc *desc);
103
104extern int irq_do_set_affinity(struct irq_data *data,
105 const struct cpumask *dest, bool force);
106
107/* Inline functions for support of irq chips on slow busses */
108static inline void chip_bus_lock(struct irq_desc *desc)
109{
110 if (unlikely(desc->irq_data.chip->irq_bus_lock))
111 desc->irq_data.chip->irq_bus_lock(&desc->irq_data);
112}
113
114static inline void chip_bus_sync_unlock(struct irq_desc *desc)
115{
116 if (unlikely(desc->irq_data.chip->irq_bus_sync_unlock))
117 desc->irq_data.chip->irq_bus_sync_unlock(&desc->irq_data);
118}
119
120#define _IRQ_DESC_CHECK (1 << 0)
121#define _IRQ_DESC_PERCPU (1 << 1)
122
123#define IRQ_GET_DESC_CHECK_GLOBAL (_IRQ_DESC_CHECK)
124#define IRQ_GET_DESC_CHECK_PERCPU (_IRQ_DESC_CHECK | _IRQ_DESC_PERCPU)
125
126struct irq_desc *
127__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
128 unsigned int check);
129void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus);
130
131static inline struct irq_desc *
132irq_get_desc_buslock(unsigned int irq, unsigned long *flags, unsigned int check)
133{
134 return __irq_get_desc_lock(irq, flags, true, check);
135}
136
137static inline void
138irq_put_desc_busunlock(struct irq_desc *desc, unsigned long flags)
139{
140 __irq_put_desc_unlock(desc, flags, true);
141}
142
143static inline struct irq_desc *
144irq_get_desc_lock(unsigned int irq, unsigned long *flags, unsigned int check)
145{
146 return __irq_get_desc_lock(irq, flags, false, check);
147}
148
149static inline void
150irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags)
151{
152 __irq_put_desc_unlock(desc, flags, false);
153}
154
155/*
156 * Manipulation functions for irq_data.state
157 */
158static inline void irqd_set_move_pending(struct irq_data *d)
159{
160 d->state_use_accessors |= IRQD_SETAFFINITY_PENDING;
161}
162
163static inline void irqd_clr_move_pending(struct irq_data *d)
164{
165 d->state_use_accessors &= ~IRQD_SETAFFINITY_PENDING;
166}
167
168static inline void irqd_clear(struct irq_data *d, unsigned int mask)
169{
170 d->state_use_accessors &= ~mask;
171}
172
173static inline void irqd_set(struct irq_data *d, unsigned int mask)
174{
175 d->state_use_accessors |= mask;
176}
177
178static inline bool irqd_has_set(struct irq_data *d, unsigned int mask)
179{
180 return d->state_use_accessors & mask;
181}