aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/irq.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h368
1 files changed, 298 insertions, 70 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 80fcb53057bc..1d3577f30d45 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -29,61 +29,104 @@
29#include <asm/irq_regs.h> 29#include <asm/irq_regs.h>
30 30
31struct irq_desc; 31struct irq_desc;
32struct irq_data;
32typedef void (*irq_flow_handler_t)(unsigned int irq, 33typedef void (*irq_flow_handler_t)(unsigned int irq,
33 struct irq_desc *desc); 34 struct irq_desc *desc);
34 35typedef void (*irq_preflow_handler_t)(struct irq_data *data);
35 36
36/* 37/*
37 * IRQ line status. 38 * IRQ line status.
38 * 39 *
39 * Bits 0-7 are reserved for the IRQF_* bits in linux/interrupt.h 40 * Bits 0-7 are the same as the IRQF_* bits in linux/interrupt.h
41 *
42 * IRQ_TYPE_NONE - default, unspecified type
43 * IRQ_TYPE_EDGE_RISING - rising edge triggered
44 * IRQ_TYPE_EDGE_FALLING - falling edge triggered
45 * IRQ_TYPE_EDGE_BOTH - rising and falling edge triggered
46 * IRQ_TYPE_LEVEL_HIGH - high level triggered
47 * IRQ_TYPE_LEVEL_LOW - low level triggered
48 * IRQ_TYPE_LEVEL_MASK - Mask to filter out the level bits
49 * IRQ_TYPE_SENSE_MASK - Mask for all the above bits
50 * IRQ_TYPE_PROBE - Special flag for probing in progress
51 *
52 * Bits which can be modified via irq_set/clear/modify_status_flags()
53 * IRQ_LEVEL - Interrupt is level type. Will be also
54 * updated in the code when the above trigger
55 * bits are modified via set_irq_type()
56 * IRQ_PER_CPU - Mark an interrupt PER_CPU. Will protect
57 * it from affinity setting
58 * IRQ_NOPROBE - Interrupt cannot be probed by autoprobing
59 * IRQ_NOREQUEST - Interrupt cannot be requested via
60 * request_irq()
61 * IRQ_NOAUTOEN - Interrupt is not automatically enabled in
62 * request/setup_irq()
63 * IRQ_NO_BALANCING - Interrupt cannot be balanced (affinity set)
64 * IRQ_MOVE_PCNTXT - Interrupt can be migrated from process context
65 * IRQ_NESTED_TRHEAD - Interrupt nests into another thread
66 *
67 * Deprecated bits. They are kept updated as long as
68 * CONFIG_GENERIC_HARDIRQS_NO_COMPAT is not set. Will go away soon. These bits
69 * are internal state of the core code and if you really need to acces
70 * them then talk to the genirq maintainer instead of hacking
71 * something weird.
40 * 72 *
41 * IRQ types
42 */ 73 */
43#define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */ 74enum {
44#define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */ 75 IRQ_TYPE_NONE = 0x00000000,
45#define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */ 76 IRQ_TYPE_EDGE_RISING = 0x00000001,
46#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) 77 IRQ_TYPE_EDGE_FALLING = 0x00000002,
47#define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */ 78 IRQ_TYPE_EDGE_BOTH = (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING),
48#define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */ 79 IRQ_TYPE_LEVEL_HIGH = 0x00000004,
49#define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */ 80 IRQ_TYPE_LEVEL_LOW = 0x00000008,
50#define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */ 81 IRQ_TYPE_LEVEL_MASK = (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH),
51 82 IRQ_TYPE_SENSE_MASK = 0x0000000f,
52/* Internal flags */ 83
53#define IRQ_INPROGRESS 0x00000100 /* IRQ handler active - do not enter! */ 84 IRQ_TYPE_PROBE = 0x00000010,
54#define IRQ_DISABLED 0x00000200 /* IRQ disabled - do not enter! */ 85
55#define IRQ_PENDING 0x00000400 /* IRQ pending - replay on enable */ 86 IRQ_LEVEL = (1 << 8),
56#define IRQ_REPLAY 0x00000800 /* IRQ has been replayed but not acked yet */ 87 IRQ_PER_CPU = (1 << 9),
57#define IRQ_AUTODETECT 0x00001000 /* IRQ is being autodetected */ 88 IRQ_NOPROBE = (1 << 10),
58#define IRQ_WAITING 0x00002000 /* IRQ not yet seen - for autodetection */ 89 IRQ_NOREQUEST = (1 << 11),
59#define IRQ_LEVEL 0x00004000 /* IRQ level triggered */ 90 IRQ_NOAUTOEN = (1 << 12),
60#define IRQ_MASKED 0x00008000 /* IRQ masked - shouldn't be seen again */ 91 IRQ_NO_BALANCING = (1 << 13),
61#define IRQ_PER_CPU 0x00010000 /* IRQ is per CPU */ 92 IRQ_MOVE_PCNTXT = (1 << 14),
62#define IRQ_NOPROBE 0x00020000 /* IRQ is not valid for probing */ 93 IRQ_NESTED_THREAD = (1 << 15),
63#define IRQ_NOREQUEST 0x00040000 /* IRQ cannot be requested */ 94
64#define IRQ_NOAUTOEN 0x00080000 /* IRQ will not be enabled on request irq */ 95#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
65#define IRQ_WAKEUP 0x00100000 /* IRQ triggers system wakeup */ 96 IRQ_INPROGRESS = (1 << 16),
66#define IRQ_MOVE_PENDING 0x00200000 /* need to re-target IRQ destination */ 97 IRQ_REPLAY = (1 << 17),
67#define IRQ_NO_BALANCING 0x00400000 /* IRQ is excluded from balancing */ 98 IRQ_WAITING = (1 << 18),
68#define IRQ_SPURIOUS_DISABLED 0x00800000 /* IRQ was disabled by the spurious trap */ 99 IRQ_DISABLED = (1 << 19),
69#define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */ 100 IRQ_PENDING = (1 << 20),
70#define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/ 101 IRQ_MASKED = (1 << 21),
71#define IRQ_SUSPENDED 0x04000000 /* IRQ has gone through suspend sequence */ 102 IRQ_MOVE_PENDING = (1 << 22),
72#define IRQ_ONESHOT 0x08000000 /* IRQ is not unmasked after hardirq */ 103 IRQ_AFFINITY_SET = (1 << 23),
73#define IRQ_NESTED_THREAD 0x10000000 /* IRQ is nested into another, no own handler thread */ 104 IRQ_WAKEUP = (1 << 24),
105#endif
106};
74 107
75#define IRQF_MODIFY_MASK \ 108#define IRQF_MODIFY_MASK \
76 (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \ 109 (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \
77 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \ 110 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \
78 IRQ_PER_CPU) 111 IRQ_PER_CPU | IRQ_NESTED_THREAD)
79 112
80#ifdef CONFIG_IRQ_PER_CPU 113#define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING)
81# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) 114
82# define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING) 115static inline __deprecated bool CHECK_IRQ_PER_CPU(unsigned int status)
83#else 116{
84# define CHECK_IRQ_PER_CPU(var) 0 117 return status & IRQ_PER_CPU;
85# define IRQ_NO_BALANCING_MASK IRQ_NO_BALANCING 118}
86#endif 119
120/*
121 * Return value for chip->irq_set_affinity()
122 *
123 * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity
124 * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity
125 */
126enum {
127 IRQ_SET_MASK_OK = 0,
128 IRQ_SET_MASK_OK_NOCOPY,
129};
87 130
88struct msi_desc; 131struct msi_desc;
89 132
@@ -91,6 +134,8 @@ struct msi_desc;
91 * struct irq_data - per irq and irq chip data passed down to chip functions 134 * struct irq_data - per irq and irq chip data passed down to chip functions
92 * @irq: interrupt number 135 * @irq: interrupt number
93 * @node: node index useful for balancing 136 * @node: node index useful for balancing
137 * @state_use_accessor: status information for irq chip functions.
138 * Use accessor functions to deal with it
94 * @chip: low level interrupt hardware access 139 * @chip: low level interrupt hardware access
95 * @handler_data: per-IRQ data for the irq_chip methods 140 * @handler_data: per-IRQ data for the irq_chip methods
96 * @chip_data: platform-specific per-chip private data for the chip 141 * @chip_data: platform-specific per-chip private data for the chip
@@ -105,6 +150,7 @@ struct msi_desc;
105struct irq_data { 150struct irq_data {
106 unsigned int irq; 151 unsigned int irq;
107 unsigned int node; 152 unsigned int node;
153 unsigned int state_use_accessors;
108 struct irq_chip *chip; 154 struct irq_chip *chip;
109 void *handler_data; 155 void *handler_data;
110 void *chip_data; 156 void *chip_data;
@@ -114,6 +160,80 @@ struct irq_data {
114#endif 160#endif
115}; 161};
116 162
163/*
164 * Bit masks for irq_data.state
165 *
166 * IRQD_TRIGGER_MASK - Mask for the trigger type bits
167 * IRQD_SETAFFINITY_PENDING - Affinity setting is pending
168 * IRQD_NO_BALANCING - Balancing disabled for this IRQ
169 * IRQD_PER_CPU - Interrupt is per cpu
170 * IRQD_AFFINITY_SET - Interrupt affinity was set
171 * IRQD_LEVEL - Interrupt is level triggered
172 * IRQD_WAKEUP_STATE - Interrupt is configured for wakeup
173 * from suspend
174 * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process
175 * context
176 */
177enum {
178 IRQD_TRIGGER_MASK = 0xf,
179 IRQD_SETAFFINITY_PENDING = (1 << 8),
180 IRQD_NO_BALANCING = (1 << 10),
181 IRQD_PER_CPU = (1 << 11),
182 IRQD_AFFINITY_SET = (1 << 12),
183 IRQD_LEVEL = (1 << 13),
184 IRQD_WAKEUP_STATE = (1 << 14),
185 IRQD_MOVE_PCNTXT = (1 << 15),
186};
187
188static inline bool irqd_is_setaffinity_pending(struct irq_data *d)
189{
190 return d->state_use_accessors & IRQD_SETAFFINITY_PENDING;
191}
192
193static inline bool irqd_is_per_cpu(struct irq_data *d)
194{
195 return d->state_use_accessors & IRQD_PER_CPU;
196}
197
198static inline bool irqd_can_balance(struct irq_data *d)
199{
200 return !(d->state_use_accessors & (IRQD_PER_CPU | IRQD_NO_BALANCING));
201}
202
203static inline bool irqd_affinity_was_set(struct irq_data *d)
204{
205 return d->state_use_accessors & IRQD_AFFINITY_SET;
206}
207
208static inline u32 irqd_get_trigger_type(struct irq_data *d)
209{
210 return d->state_use_accessors & IRQD_TRIGGER_MASK;
211}
212
213/*
214 * Must only be called inside irq_chip.irq_set_type() functions.
215 */
216static inline void irqd_set_trigger_type(struct irq_data *d, u32 type)
217{
218 d->state_use_accessors &= ~IRQD_TRIGGER_MASK;
219 d->state_use_accessors |= type & IRQD_TRIGGER_MASK;
220}
221
222static inline bool irqd_is_level_type(struct irq_data *d)
223{
224 return d->state_use_accessors & IRQD_LEVEL;
225}
226
227static inline bool irqd_is_wakeup_set(struct irq_data *d)
228{
229 return d->state_use_accessors & IRQD_WAKEUP_STATE;
230}
231
232static inline bool irqd_can_move_in_process_context(struct irq_data *d)
233{
234 return d->state_use_accessors & IRQD_MOVE_PCNTXT;
235}
236
117/** 237/**
118 * struct irq_chip - hardware interrupt chip descriptor 238 * struct irq_chip - hardware interrupt chip descriptor
119 * 239 *
@@ -150,6 +270,7 @@ struct irq_data {
150 * @irq_set_wake: enable/disable power-management wake-on of an IRQ 270 * @irq_set_wake: enable/disable power-management wake-on of an IRQ
151 * @irq_bus_lock: function to lock access to slow bus (i2c) chips 271 * @irq_bus_lock: function to lock access to slow bus (i2c) chips
152 * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips 272 * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips
273 * @flags: chip specific flags
153 * 274 *
154 * @release: release function solely used by UML 275 * @release: release function solely used by UML
155 */ 276 */
@@ -196,12 +317,27 @@ struct irq_chip {
196 void (*irq_bus_lock)(struct irq_data *data); 317 void (*irq_bus_lock)(struct irq_data *data);
197 void (*irq_bus_sync_unlock)(struct irq_data *data); 318 void (*irq_bus_sync_unlock)(struct irq_data *data);
198 319
320 unsigned long flags;
321
199 /* Currently used only by UML, might disappear one day.*/ 322 /* Currently used only by UML, might disappear one day.*/
200#ifdef CONFIG_IRQ_RELEASE_METHOD 323#ifdef CONFIG_IRQ_RELEASE_METHOD
201 void (*release)(unsigned int irq, void *dev_id); 324 void (*release)(unsigned int irq, void *dev_id);
202#endif 325#endif
203}; 326};
204 327
328/*
329 * irq_chip specific flags
330 *
331 * IRQCHIP_SET_TYPE_MASKED: Mask before calling chip.irq_set_type()
332 * IRQCHIP_EOI_IF_HANDLED: Only issue irq_eoi() when irq was handled
333 * IRQCHIP_MASK_ON_SUSPEND: Mask non wake irqs in the suspend path
334 */
335enum {
336 IRQCHIP_SET_TYPE_MASKED = (1 << 0),
337 IRQCHIP_EOI_IF_HANDLED = (1 << 1),
338 IRQCHIP_MASK_ON_SUSPEND = (1 << 2),
339};
340
205/* This include will go away once we isolated irq_desc usage to core code */ 341/* This include will go away once we isolated irq_desc usage to core code */
206#include <linux/irqdesc.h> 342#include <linux/irqdesc.h>
207 343
@@ -218,7 +354,7 @@ struct irq_chip {
218# define ARCH_IRQ_INIT_FLAGS 0 354# define ARCH_IRQ_INIT_FLAGS 0
219#endif 355#endif
220 356
221#define IRQ_DEFAULT_INIT_FLAGS (IRQ_DISABLED | ARCH_IRQ_INIT_FLAGS) 357#define IRQ_DEFAULT_INIT_FLAGS ARCH_IRQ_INIT_FLAGS
222 358
223struct irqaction; 359struct irqaction;
224extern int setup_irq(unsigned int irq, struct irqaction *new); 360extern int setup_irq(unsigned int irq, struct irqaction *new);
@@ -229,9 +365,13 @@ extern void remove_irq(unsigned int irq, struct irqaction *act);
229#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ) 365#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ)
230void move_native_irq(int irq); 366void move_native_irq(int irq);
231void move_masked_irq(int irq); 367void move_masked_irq(int irq);
368void irq_move_irq(struct irq_data *data);
369void irq_move_masked_irq(struct irq_data *data);
232#else 370#else
233static inline void move_native_irq(int irq) { } 371static inline void move_native_irq(int irq) { }
234static inline void move_masked_irq(int irq) { } 372static inline void move_masked_irq(int irq) { }
373static inline void irq_move_irq(struct irq_data *data) { }
374static inline void irq_move_masked_irq(struct irq_data *data) { }
235#endif 375#endif
236 376
237extern int no_irq_affinity; 377extern int no_irq_affinity;
@@ -267,23 +407,23 @@ extern struct irq_chip no_irq_chip;
267extern struct irq_chip dummy_irq_chip; 407extern struct irq_chip dummy_irq_chip;
268 408
269extern void 409extern void
270set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip, 410irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
271 irq_flow_handler_t handle);
272extern void
273set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
274 irq_flow_handler_t handle, const char *name); 411 irq_flow_handler_t handle, const char *name);
275 412
413static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip,
414 irq_flow_handler_t handle)
415{
416 irq_set_chip_and_handler_name(irq, chip, handle, NULL);
417}
418
276extern void 419extern void
277__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, 420__irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
278 const char *name); 421 const char *name);
279 422
280/*
281 * Set a highlevel flow handler for a given IRQ:
282 */
283static inline void 423static inline void
284set_irq_handler(unsigned int irq, irq_flow_handler_t handle) 424irq_set_handler(unsigned int irq, irq_flow_handler_t handle)
285{ 425{
286 __set_irq_handler(irq, handle, 0, NULL); 426 __irq_set_handler(irq, handle, 0, NULL);
287} 427}
288 428
289/* 429/*
@@ -292,14 +432,11 @@ set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
292 * IRQ_NOREQUEST and IRQ_NOPROBE) 432 * IRQ_NOREQUEST and IRQ_NOPROBE)
293 */ 433 */
294static inline void 434static inline void
295set_irq_chained_handler(unsigned int irq, 435irq_set_chained_handler(unsigned int irq, irq_flow_handler_t handle)
296 irq_flow_handler_t handle)
297{ 436{
298 __set_irq_handler(irq, handle, 1, NULL); 437 __irq_set_handler(irq, handle, 1, NULL);
299} 438}
300 439
301extern void set_irq_nested_thread(unsigned int irq, int nest);
302
303void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set); 440void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set);
304 441
305static inline void irq_set_status_flags(unsigned int irq, unsigned long set) 442static inline void irq_set_status_flags(unsigned int irq, unsigned long set)
@@ -312,16 +449,24 @@ static inline void irq_clear_status_flags(unsigned int irq, unsigned long clr)
312 irq_modify_status(irq, clr, 0); 449 irq_modify_status(irq, clr, 0);
313} 450}
314 451
315static inline void set_irq_noprobe(unsigned int irq) 452static inline void irq_set_noprobe(unsigned int irq)
316{ 453{
317 irq_modify_status(irq, 0, IRQ_NOPROBE); 454 irq_modify_status(irq, 0, IRQ_NOPROBE);
318} 455}
319 456
320static inline void set_irq_probe(unsigned int irq) 457static inline void irq_set_probe(unsigned int irq)
321{ 458{
322 irq_modify_status(irq, IRQ_NOPROBE, 0); 459 irq_modify_status(irq, IRQ_NOPROBE, 0);
323} 460}
324 461
462static inline void irq_set_nested_thread(unsigned int irq, bool nest)
463{
464 if (nest)
465 irq_set_status_flags(irq, IRQ_NESTED_THREAD);
466 else
467 irq_clear_status_flags(irq, IRQ_NESTED_THREAD);
468}
469
325/* Handle dynamic irq creation and destruction */ 470/* Handle dynamic irq creation and destruction */
326extern unsigned int create_irq_nr(unsigned int irq_want, int node); 471extern unsigned int create_irq_nr(unsigned int irq_want, int node);
327extern int create_irq(void); 472extern int create_irq(void);
@@ -338,14 +483,14 @@ static inline void dynamic_irq_init(unsigned int irq)
338} 483}
339 484
340/* Set/get chip/data for an IRQ: */ 485/* Set/get chip/data for an IRQ: */
341extern int set_irq_chip(unsigned int irq, struct irq_chip *chip); 486extern int irq_set_chip(unsigned int irq, struct irq_chip *chip);
342extern int set_irq_data(unsigned int irq, void *data); 487extern int irq_set_handler_data(unsigned int irq, void *data);
343extern int set_irq_chip_data(unsigned int irq, void *data); 488extern int irq_set_chip_data(unsigned int irq, void *data);
344extern int set_irq_type(unsigned int irq, unsigned int type); 489extern int irq_set_irq_type(unsigned int irq, unsigned int type);
345extern int set_irq_msi(unsigned int irq, struct msi_desc *entry); 490extern int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry);
346extern struct irq_data *irq_get_irq_data(unsigned int irq); 491extern struct irq_data *irq_get_irq_data(unsigned int irq);
347 492
348static inline struct irq_chip *get_irq_chip(unsigned int irq) 493static inline struct irq_chip *irq_get_chip(unsigned int irq)
349{ 494{
350 struct irq_data *d = irq_get_irq_data(irq); 495 struct irq_data *d = irq_get_irq_data(irq);
351 return d ? d->chip : NULL; 496 return d ? d->chip : NULL;
@@ -356,7 +501,7 @@ static inline struct irq_chip *irq_data_get_irq_chip(struct irq_data *d)
356 return d->chip; 501 return d->chip;
357} 502}
358 503
359static inline void *get_irq_chip_data(unsigned int irq) 504static inline void *irq_get_chip_data(unsigned int irq)
360{ 505{
361 struct irq_data *d = irq_get_irq_data(irq); 506 struct irq_data *d = irq_get_irq_data(irq);
362 return d ? d->chip_data : NULL; 507 return d ? d->chip_data : NULL;
@@ -367,18 +512,18 @@ static inline void *irq_data_get_irq_chip_data(struct irq_data *d)
367 return d->chip_data; 512 return d->chip_data;
368} 513}
369 514
370static inline void *get_irq_data(unsigned int irq) 515static inline void *irq_get_handler_data(unsigned int irq)
371{ 516{
372 struct irq_data *d = irq_get_irq_data(irq); 517 struct irq_data *d = irq_get_irq_data(irq);
373 return d ? d->handler_data : NULL; 518 return d ? d->handler_data : NULL;
374} 519}
375 520
376static inline void *irq_data_get_irq_data(struct irq_data *d) 521static inline void *irq_data_get_irq_handler_data(struct irq_data *d)
377{ 522{
378 return d->handler_data; 523 return d->handler_data;
379} 524}
380 525
381static inline struct msi_desc *get_irq_msi(unsigned int irq) 526static inline struct msi_desc *irq_get_msi_desc(unsigned int irq)
382{ 527{
383 struct irq_data *d = irq_get_irq_data(irq); 528 struct irq_data *d = irq_get_irq_data(irq);
384 return d ? d->msi_desc : NULL; 529 return d ? d->msi_desc : NULL;
@@ -389,6 +534,89 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d)
389 return d->msi_desc; 534 return d->msi_desc;
390} 535}
391 536
537#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
538/* Please do not use: Use the replacement functions instead */
539static inline int set_irq_chip(unsigned int irq, struct irq_chip *chip)
540{
541 return irq_set_chip(irq, chip);
542}
543static inline int set_irq_data(unsigned int irq, void *data)
544{
545 return irq_set_handler_data(irq, data);
546}
547static inline int set_irq_chip_data(unsigned int irq, void *data)
548{
549 return irq_set_chip_data(irq, data);
550}
551static inline int set_irq_type(unsigned int irq, unsigned int type)
552{
553 return irq_set_irq_type(irq, type);
554}
555static inline int set_irq_msi(unsigned int irq, struct msi_desc *entry)
556{
557 return irq_set_msi_desc(irq, entry);
558}
559static inline struct irq_chip *get_irq_chip(unsigned int irq)
560{
561 return irq_get_chip(irq);
562}
563static inline void *get_irq_chip_data(unsigned int irq)
564{
565 return irq_get_chip_data(irq);
566}
567static inline void *get_irq_data(unsigned int irq)
568{
569 return irq_get_handler_data(irq);
570}
571static inline void *irq_data_get_irq_data(struct irq_data *d)
572{
573 return irq_data_get_irq_handler_data(d);
574}
575static inline struct msi_desc *get_irq_msi(unsigned int irq)
576{
577 return irq_get_msi_desc(irq);
578}
579static inline void set_irq_noprobe(unsigned int irq)
580{
581 irq_set_noprobe(irq);
582}
583static inline void set_irq_probe(unsigned int irq)
584{
585 irq_set_probe(irq);
586}
587static inline void set_irq_nested_thread(unsigned int irq, int nest)
588{
589 irq_set_nested_thread(irq, nest);
590}
591static inline void
592set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
593 irq_flow_handler_t handle, const char *name)
594{
595 irq_set_chip_and_handler_name(irq, chip, handle, name);
596}
597static inline void
598set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
599 irq_flow_handler_t handle)
600{
601 irq_set_chip_and_handler(irq, chip, handle);
602}
603static inline void
604__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
605 const char *name)
606{
607 __irq_set_handler(irq, handle, is_chained, name);
608}
609static inline void set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
610{
611 irq_set_handler(irq, handle);
612}
613static inline void
614set_irq_chained_handler(unsigned int irq, irq_flow_handler_t handle)
615{
616 irq_set_chained_handler(irq, handle);
617}
618#endif
619
392int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node); 620int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node);
393void irq_free_descs(unsigned int irq, unsigned int cnt); 621void irq_free_descs(unsigned int irq, unsigned int cnt);
394int irq_reserve_irqs(unsigned int from, unsigned int cnt); 622int irq_reserve_irqs(unsigned int from, unsigned int cnt);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-12 16:04:57 -0500