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Commit 9cff60dfc3d54b60bc069627cee5624bfaa3f823

Authored by Thomas Gleixner
1 parent 33b054b867
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

genirq: Provide setter inline for IRQD_IRQ_INPROGRESS 

Special function for demultiplexing handlers which can be disabled via
disable_irq().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Showing 1 changed file with 15 additions and 0 deletions Inline Diff

1 #ifndef _LINUX_IRQ_H 1 #ifndef _LINUX_IRQ_H
2 #define _LINUX_IRQ_H 2 #define _LINUX_IRQ_H
3 3
4 /* 4 /*
5 * Please do not include this file in generic code. There is currently 5 * Please do not include this file in generic code. There is currently
6 * no requirement for any architecture to implement anything held 6 * no requirement for any architecture to implement anything held
7 * within this file. 7 * within this file.
8 * 8 *
9 * Thanks. --rmk 9 * Thanks. --rmk
10 */ 10 */
11 11
12 #include <linux/smp.h> 12 #include <linux/smp.h>
13 13
14 #ifndef CONFIG_S390 14 #ifndef CONFIG_S390
15 15
16 #include <linux/linkage.h> 16 #include <linux/linkage.h>
17 #include <linux/cache.h> 17 #include <linux/cache.h>
18 #include <linux/spinlock.h> 18 #include <linux/spinlock.h>
19 #include <linux/cpumask.h> 19 #include <linux/cpumask.h>
20 #include <linux/gfp.h> 20 #include <linux/gfp.h>
21 #include <linux/irqreturn.h> 21 #include <linux/irqreturn.h>
22 #include <linux/irqnr.h> 22 #include <linux/irqnr.h>
23 #include <linux/errno.h> 23 #include <linux/errno.h>
24 #include <linux/topology.h> 24 #include <linux/topology.h>
25 #include <linux/wait.h> 25 #include <linux/wait.h>
26 26
27 #include <asm/irq.h> 27 #include <asm/irq.h>
28 #include <asm/ptrace.h> 28 #include <asm/ptrace.h>
29 #include <asm/irq_regs.h> 29 #include <asm/irq_regs.h>
30 30
31 struct seq_file; 31 struct seq_file;
32 struct irq_desc; 32 struct irq_desc;
33 struct irq_data; 33 struct irq_data;
34 typedef void (*irq_flow_handler_t)(unsigned int irq, 34 typedef void (*irq_flow_handler_t)(unsigned int irq,
35 struct irq_desc *desc); 35 struct irq_desc *desc);
36 typedef void (*irq_preflow_handler_t)(struct irq_data *data); 36 typedef void (*irq_preflow_handler_t)(struct irq_data *data);
37 37
38 /* 38 /*
39 * IRQ line status. 39 * IRQ line status.
40 * 40 *
41 * Bits 0-7 are the same as the IRQF_* bits in linux/interrupt.h 41 * Bits 0-7 are the same as the IRQF_* bits in linux/interrupt.h
42 * 42 *
43 * IRQ_TYPE_NONE - default, unspecified type 43 * IRQ_TYPE_NONE - default, unspecified type
44 * IRQ_TYPE_EDGE_RISING - rising edge triggered 44 * IRQ_TYPE_EDGE_RISING - rising edge triggered
45 * IRQ_TYPE_EDGE_FALLING - falling edge triggered 45 * IRQ_TYPE_EDGE_FALLING - falling edge triggered
46 * IRQ_TYPE_EDGE_BOTH - rising and falling edge triggered 46 * IRQ_TYPE_EDGE_BOTH - rising and falling edge triggered
47 * IRQ_TYPE_LEVEL_HIGH - high level triggered 47 * IRQ_TYPE_LEVEL_HIGH - high level triggered
48 * IRQ_TYPE_LEVEL_LOW - low level triggered 48 * IRQ_TYPE_LEVEL_LOW - low level triggered
49 * IRQ_TYPE_LEVEL_MASK - Mask to filter out the level bits 49 * IRQ_TYPE_LEVEL_MASK - Mask to filter out the level bits
50 * IRQ_TYPE_SENSE_MASK - Mask for all the above bits 50 * IRQ_TYPE_SENSE_MASK - Mask for all the above bits
51 * IRQ_TYPE_PROBE - Special flag for probing in progress 51 * IRQ_TYPE_PROBE - Special flag for probing in progress
52 * 52 *
53 * Bits which can be modified via irq_set/clear/modify_status_flags() 53 * Bits which can be modified via irq_set/clear/modify_status_flags()
54 * IRQ_LEVEL - Interrupt is level type. Will be also 54 * IRQ_LEVEL - Interrupt is level type. Will be also
55 * updated in the code when the above trigger 55 * updated in the code when the above trigger
56 * bits are modified via set_irq_type() 56 * bits are modified via set_irq_type()
57 * IRQ_PER_CPU - Mark an interrupt PER_CPU. Will protect 57 * IRQ_PER_CPU - Mark an interrupt PER_CPU. Will protect
58 * it from affinity setting 58 * it from affinity setting
59 * IRQ_NOPROBE - Interrupt cannot be probed by autoprobing 59 * IRQ_NOPROBE - Interrupt cannot be probed by autoprobing
60 * IRQ_NOREQUEST - Interrupt cannot be requested via 60 * IRQ_NOREQUEST - Interrupt cannot be requested via
61 * request_irq() 61 * request_irq()
62 * IRQ_NOAUTOEN - Interrupt is not automatically enabled in 62 * IRQ_NOAUTOEN - Interrupt is not automatically enabled in
63 * request/setup_irq() 63 * request/setup_irq()
64 * IRQ_NO_BALANCING - Interrupt cannot be balanced (affinity set) 64 * IRQ_NO_BALANCING - Interrupt cannot be balanced (affinity set)
65 * IRQ_MOVE_PCNTXT - Interrupt can be migrated from process context 65 * IRQ_MOVE_PCNTXT - Interrupt can be migrated from process context
66 * IRQ_NESTED_TRHEAD - Interrupt nests into another thread 66 * IRQ_NESTED_TRHEAD - Interrupt nests into another thread
67 * 67 *
68 * Deprecated bits. They are kept updated as long as 68 * Deprecated bits. They are kept updated as long as
69 * CONFIG_GENERIC_HARDIRQS_NO_COMPAT is not set. Will go away soon. These bits 69 * CONFIG_GENERIC_HARDIRQS_NO_COMPAT is not set. Will go away soon. These bits
70 * are internal state of the core code and if you really need to acces 70 * are internal state of the core code and if you really need to acces
71 * them then talk to the genirq maintainer instead of hacking 71 * them then talk to the genirq maintainer instead of hacking
72 * something weird. 72 * something weird.
73 * 73 *
74 */ 74 */
75 enum { 75 enum {
76 IRQ_TYPE_NONE = 0x00000000, 76 IRQ_TYPE_NONE = 0x00000000,
77 IRQ_TYPE_EDGE_RISING = 0x00000001, 77 IRQ_TYPE_EDGE_RISING = 0x00000001,
78 IRQ_TYPE_EDGE_FALLING = 0x00000002, 78 IRQ_TYPE_EDGE_FALLING = 0x00000002,
79 IRQ_TYPE_EDGE_BOTH = (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING), 79 IRQ_TYPE_EDGE_BOTH = (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING),
80 IRQ_TYPE_LEVEL_HIGH = 0x00000004, 80 IRQ_TYPE_LEVEL_HIGH = 0x00000004,
81 IRQ_TYPE_LEVEL_LOW = 0x00000008, 81 IRQ_TYPE_LEVEL_LOW = 0x00000008,
82 IRQ_TYPE_LEVEL_MASK = (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH), 82 IRQ_TYPE_LEVEL_MASK = (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH),
83 IRQ_TYPE_SENSE_MASK = 0x0000000f, 83 IRQ_TYPE_SENSE_MASK = 0x0000000f,
84 84
85 IRQ_TYPE_PROBE = 0x00000010, 85 IRQ_TYPE_PROBE = 0x00000010,
86 86
87 IRQ_LEVEL = (1 << 8), 87 IRQ_LEVEL = (1 << 8),
88 IRQ_PER_CPU = (1 << 9), 88 IRQ_PER_CPU = (1 << 9),
89 IRQ_NOPROBE = (1 << 10), 89 IRQ_NOPROBE = (1 << 10),
90 IRQ_NOREQUEST = (1 << 11), 90 IRQ_NOREQUEST = (1 << 11),
91 IRQ_NOAUTOEN = (1 << 12), 91 IRQ_NOAUTOEN = (1 << 12),
92 IRQ_NO_BALANCING = (1 << 13), 92 IRQ_NO_BALANCING = (1 << 13),
93 IRQ_MOVE_PCNTXT = (1 << 14), 93 IRQ_MOVE_PCNTXT = (1 << 14),
94 IRQ_NESTED_THREAD = (1 << 15), 94 IRQ_NESTED_THREAD = (1 << 15),
95 95
96 #ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT 96 #ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
97 IRQ_INPROGRESS = (1 << 16), 97 IRQ_INPROGRESS = (1 << 16),
98 IRQ_REPLAY = (1 << 17), 98 IRQ_REPLAY = (1 << 17),
99 IRQ_WAITING = (1 << 18), 99 IRQ_WAITING = (1 << 18),
100 IRQ_DISABLED = (1 << 19), 100 IRQ_DISABLED = (1 << 19),
101 IRQ_PENDING = (1 << 20), 101 IRQ_PENDING = (1 << 20),
102 IRQ_MASKED = (1 << 21), 102 IRQ_MASKED = (1 << 21),
103 IRQ_MOVE_PENDING = (1 << 22), 103 IRQ_MOVE_PENDING = (1 << 22),
104 IRQ_AFFINITY_SET = (1 << 23), 104 IRQ_AFFINITY_SET = (1 << 23),
105 IRQ_WAKEUP = (1 << 24), 105 IRQ_WAKEUP = (1 << 24),
106 #endif 106 #endif
107 }; 107 };
108 108
109 #define IRQF_MODIFY_MASK \ 109 #define IRQF_MODIFY_MASK \
110 (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \ 110 (IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \
111 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \ 111 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \
112 IRQ_PER_CPU | IRQ_NESTED_THREAD) 112 IRQ_PER_CPU | IRQ_NESTED_THREAD)
113 113
114 #define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING) 114 #define IRQ_NO_BALANCING_MASK (IRQ_PER_CPU | IRQ_NO_BALANCING)
115 115
116 static inline __deprecated bool CHECK_IRQ_PER_CPU(unsigned int status) 116 static inline __deprecated bool CHECK_IRQ_PER_CPU(unsigned int status)
117 { 117 {
118 return status & IRQ_PER_CPU; 118 return status & IRQ_PER_CPU;
119 } 119 }
120 120
121 /* 121 /*
122 * Return value for chip->irq_set_affinity() 122 * Return value for chip->irq_set_affinity()
123 * 123 *
124 * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity 124 * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity
125 * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity 125 * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity
126 */ 126 */
127 enum { 127 enum {
128 IRQ_SET_MASK_OK = 0, 128 IRQ_SET_MASK_OK = 0,
129 IRQ_SET_MASK_OK_NOCOPY, 129 IRQ_SET_MASK_OK_NOCOPY,
130 }; 130 };
131 131
132 struct msi_desc; 132 struct msi_desc;
133 133
134 /** 134 /**
135 * struct irq_data - per irq and irq chip data passed down to chip functions 135 * struct irq_data - per irq and irq chip data passed down to chip functions
136 * @irq: interrupt number 136 * @irq: interrupt number
137 * @node: node index useful for balancing 137 * @node: node index useful for balancing
138 * @state_use_accessor: status information for irq chip functions. 138 * @state_use_accessor: status information for irq chip functions.
139 * Use accessor functions to deal with it 139 * Use accessor functions to deal with it
140 * @chip: low level interrupt hardware access 140 * @chip: low level interrupt hardware access
141 * @handler_data: per-IRQ data for the irq_chip methods 141 * @handler_data: per-IRQ data for the irq_chip methods
142 * @chip_data: platform-specific per-chip private data for the chip 142 * @chip_data: platform-specific per-chip private data for the chip
143 * methods, to allow shared chip implementations 143 * methods, to allow shared chip implementations
144 * @msi_desc: MSI descriptor 144 * @msi_desc: MSI descriptor
145 * @affinity: IRQ affinity on SMP 145 * @affinity: IRQ affinity on SMP
146 * 146 *
147 * The fields here need to overlay the ones in irq_desc until we 147 * The fields here need to overlay the ones in irq_desc until we
148 * cleaned up the direct references and switched everything over to 148 * cleaned up the direct references and switched everything over to
149 * irq_data. 149 * irq_data.
150 */ 150 */
151 struct irq_data { 151 struct irq_data {
152 unsigned int irq; 152 unsigned int irq;
153 unsigned int node; 153 unsigned int node;
154 unsigned int state_use_accessors; 154 unsigned int state_use_accessors;
155 struct irq_chip *chip; 155 struct irq_chip *chip;
156 void *handler_data; 156 void *handler_data;
157 void *chip_data; 157 void *chip_data;
158 struct msi_desc *msi_desc; 158 struct msi_desc *msi_desc;
159 #ifdef CONFIG_SMP 159 #ifdef CONFIG_SMP
160 cpumask_var_t affinity; 160 cpumask_var_t affinity;
161 #endif 161 #endif
162 }; 162 };
163 163
164 /* 164 /*
165 * Bit masks for irq_data.state 165 * Bit masks for irq_data.state
166 * 166 *
167 * IRQD_TRIGGER_MASK - Mask for the trigger type bits 167 * IRQD_TRIGGER_MASK - Mask for the trigger type bits
168 * IRQD_SETAFFINITY_PENDING - Affinity setting is pending 168 * IRQD_SETAFFINITY_PENDING - Affinity setting is pending
169 * IRQD_NO_BALANCING - Balancing disabled for this IRQ 169 * IRQD_NO_BALANCING - Balancing disabled for this IRQ
170 * IRQD_PER_CPU - Interrupt is per cpu 170 * IRQD_PER_CPU - Interrupt is per cpu
171 * IRQD_AFFINITY_SET - Interrupt affinity was set 171 * IRQD_AFFINITY_SET - Interrupt affinity was set
172 * IRQD_LEVEL - Interrupt is level triggered 172 * IRQD_LEVEL - Interrupt is level triggered
173 * IRQD_WAKEUP_STATE - Interrupt is configured for wakeup 173 * IRQD_WAKEUP_STATE - Interrupt is configured for wakeup
174 * from suspend 174 * from suspend
175 * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process 175 * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process
176 * context 176 * context
177 * IRQD_IRQ_DISABLED - Disabled state of the interrupt 177 * IRQD_IRQ_DISABLED - Disabled state of the interrupt
178 * IRQD_IRQ_MASKED - Masked state of the interrupt 178 * IRQD_IRQ_MASKED - Masked state of the interrupt
179 * IRQD_IRQ_INPROGRESS - In progress state of the interrupt 179 * IRQD_IRQ_INPROGRESS - In progress state of the interrupt
180 */ 180 */
181 enum { 181 enum {
182 IRQD_TRIGGER_MASK = 0xf, 182 IRQD_TRIGGER_MASK = 0xf,
183 IRQD_SETAFFINITY_PENDING = (1 << 8), 183 IRQD_SETAFFINITY_PENDING = (1 << 8),
184 IRQD_NO_BALANCING = (1 << 10), 184 IRQD_NO_BALANCING = (1 << 10),
185 IRQD_PER_CPU = (1 << 11), 185 IRQD_PER_CPU = (1 << 11),
186 IRQD_AFFINITY_SET = (1 << 12), 186 IRQD_AFFINITY_SET = (1 << 12),
187 IRQD_LEVEL = (1 << 13), 187 IRQD_LEVEL = (1 << 13),
188 IRQD_WAKEUP_STATE = (1 << 14), 188 IRQD_WAKEUP_STATE = (1 << 14),
189 IRQD_MOVE_PCNTXT = (1 << 15), 189 IRQD_MOVE_PCNTXT = (1 << 15),
190 IRQD_IRQ_DISABLED = (1 << 16), 190 IRQD_IRQ_DISABLED = (1 << 16),
191 IRQD_IRQ_MASKED = (1 << 17), 191 IRQD_IRQ_MASKED = (1 << 17),
192 IRQD_IRQ_INPROGRESS = (1 << 18), 192 IRQD_IRQ_INPROGRESS = (1 << 18),
193 }; 193 };
194 194
195 static inline bool irqd_is_setaffinity_pending(struct irq_data *d) 195 static inline bool irqd_is_setaffinity_pending(struct irq_data *d)
196 { 196 {
197 return d->state_use_accessors & IRQD_SETAFFINITY_PENDING; 197 return d->state_use_accessors & IRQD_SETAFFINITY_PENDING;
198 } 198 }
199 199
200 static inline bool irqd_is_per_cpu(struct irq_data *d) 200 static inline bool irqd_is_per_cpu(struct irq_data *d)
201 { 201 {
202 return d->state_use_accessors & IRQD_PER_CPU; 202 return d->state_use_accessors & IRQD_PER_CPU;
203 } 203 }
204 204
205 static inline bool irqd_can_balance(struct irq_data *d) 205 static inline bool irqd_can_balance(struct irq_data *d)
206 { 206 {
207 return !(d->state_use_accessors & (IRQD_PER_CPU | IRQD_NO_BALANCING)); 207 return !(d->state_use_accessors & (IRQD_PER_CPU | IRQD_NO_BALANCING));
208 } 208 }
209 209
210 static inline bool irqd_affinity_was_set(struct irq_data *d) 210 static inline bool irqd_affinity_was_set(struct irq_data *d)
211 { 211 {
212 return d->state_use_accessors & IRQD_AFFINITY_SET; 212 return d->state_use_accessors & IRQD_AFFINITY_SET;
213 } 213 }
214 214
215 static inline u32 irqd_get_trigger_type(struct irq_data *d) 215 static inline u32 irqd_get_trigger_type(struct irq_data *d)
216 { 216 {
217 return d->state_use_accessors & IRQD_TRIGGER_MASK; 217 return d->state_use_accessors & IRQD_TRIGGER_MASK;
218 } 218 }
219 219
220 /* 220 /*
221 * Must only be called inside irq_chip.irq_set_type() functions. 221 * Must only be called inside irq_chip.irq_set_type() functions.
222 */ 222 */
223 static inline void irqd_set_trigger_type(struct irq_data *d, u32 type) 223 static inline void irqd_set_trigger_type(struct irq_data *d, u32 type)
224 { 224 {
225 d->state_use_accessors &= ~IRQD_TRIGGER_MASK; 225 d->state_use_accessors &= ~IRQD_TRIGGER_MASK;
226 d->state_use_accessors |= type & IRQD_TRIGGER_MASK; 226 d->state_use_accessors |= type & IRQD_TRIGGER_MASK;
227 } 227 }
228 228
229 static inline bool irqd_is_level_type(struct irq_data *d) 229 static inline bool irqd_is_level_type(struct irq_data *d)
230 { 230 {
231 return d->state_use_accessors & IRQD_LEVEL; 231 return d->state_use_accessors & IRQD_LEVEL;
232 } 232 }
233 233
234 static inline bool irqd_is_wakeup_set(struct irq_data *d) 234 static inline bool irqd_is_wakeup_set(struct irq_data *d)
235 { 235 {
236 return d->state_use_accessors & IRQD_WAKEUP_STATE; 236 return d->state_use_accessors & IRQD_WAKEUP_STATE;
237 } 237 }
238 238
239 static inline bool irqd_can_move_in_process_context(struct irq_data *d) 239 static inline bool irqd_can_move_in_process_context(struct irq_data *d)
240 { 240 {
241 return d->state_use_accessors & IRQD_MOVE_PCNTXT; 241 return d->state_use_accessors & IRQD_MOVE_PCNTXT;
242 } 242 }
243 243
244 static inline bool irqd_irq_disabled(struct irq_data *d) 244 static inline bool irqd_irq_disabled(struct irq_data *d)
245 { 245 {
246 return d->state_use_accessors & IRQD_IRQ_DISABLED; 246 return d->state_use_accessors & IRQD_IRQ_DISABLED;
247 } 247 }
248 248
249 static inline bool irqd_irq_masked(struct irq_data *d) 249 static inline bool irqd_irq_masked(struct irq_data *d)
250 { 250 {
251 return d->state_use_accessors & IRQD_IRQ_MASKED; 251 return d->state_use_accessors & IRQD_IRQ_MASKED;
252 } 252 }
253 253
254 static inline bool irqd_irq_inprogress(struct irq_data *d) 254 static inline bool irqd_irq_inprogress(struct irq_data *d)
255 { 255 {
256 return d->state_use_accessors & IRQD_IRQ_INPROGRESS; 256 return d->state_use_accessors & IRQD_IRQ_INPROGRESS;
257 } 257 }
258 258
259 /*
260 * Functions for chained handlers which can be enabled/disabled by the
261 * standard disable_irq/enable_irq calls. Must be called with
262 * irq_desc->lock held.
263 */
264 static inline void irqd_set_chained_irq_inprogress(struct irq_data *d)
265 {
266 d->state_use_accessors |= IRQD_IRQ_INPROGRESS;
267 }
268
269 static inline void irqd_clr_chained_irq_inprogress(struct irq_data *d)
270 {
271 d->state_use_accessors &= ~IRQD_IRQ_INPROGRESS;
272 }
273
259 /** 274 /**
260 * struct irq_chip - hardware interrupt chip descriptor 275 * struct irq_chip - hardware interrupt chip descriptor
261 * 276 *
262 * @name: name for /proc/interrupts 277 * @name: name for /proc/interrupts
263 * @startup: deprecated, replaced by irq_startup 278 * @startup: deprecated, replaced by irq_startup
264 * @shutdown: deprecated, replaced by irq_shutdown 279 * @shutdown: deprecated, replaced by irq_shutdown
265 * @enable: deprecated, replaced by irq_enable 280 * @enable: deprecated, replaced by irq_enable
266 * @disable: deprecated, replaced by irq_disable 281 * @disable: deprecated, replaced by irq_disable
267 * @ack: deprecated, replaced by irq_ack 282 * @ack: deprecated, replaced by irq_ack
268 * @mask: deprecated, replaced by irq_mask 283 * @mask: deprecated, replaced by irq_mask
269 * @mask_ack: deprecated, replaced by irq_mask_ack 284 * @mask_ack: deprecated, replaced by irq_mask_ack
270 * @unmask: deprecated, replaced by irq_unmask 285 * @unmask: deprecated, replaced by irq_unmask
271 * @eoi: deprecated, replaced by irq_eoi 286 * @eoi: deprecated, replaced by irq_eoi
272 * @end: deprecated, will go away with __do_IRQ() 287 * @end: deprecated, will go away with __do_IRQ()
273 * @set_affinity: deprecated, replaced by irq_set_affinity 288 * @set_affinity: deprecated, replaced by irq_set_affinity
274 * @retrigger: deprecated, replaced by irq_retrigger 289 * @retrigger: deprecated, replaced by irq_retrigger
275 * @set_type: deprecated, replaced by irq_set_type 290 * @set_type: deprecated, replaced by irq_set_type
276 * @set_wake: deprecated, replaced by irq_wake 291 * @set_wake: deprecated, replaced by irq_wake
277 * @bus_lock: deprecated, replaced by irq_bus_lock 292 * @bus_lock: deprecated, replaced by irq_bus_lock
278 * @bus_sync_unlock: deprecated, replaced by irq_bus_sync_unlock 293 * @bus_sync_unlock: deprecated, replaced by irq_bus_sync_unlock
279 * 294 *
280 * @irq_startup: start up the interrupt (defaults to ->enable if NULL) 295 * @irq_startup: start up the interrupt (defaults to ->enable if NULL)
281 * @irq_shutdown: shut down the interrupt (defaults to ->disable if NULL) 296 * @irq_shutdown: shut down the interrupt (defaults to ->disable if NULL)
282 * @irq_enable: enable the interrupt (defaults to chip->unmask if NULL) 297 * @irq_enable: enable the interrupt (defaults to chip->unmask if NULL)
283 * @irq_disable: disable the interrupt 298 * @irq_disable: disable the interrupt
284 * @irq_ack: start of a new interrupt 299 * @irq_ack: start of a new interrupt
285 * @irq_mask: mask an interrupt source 300 * @irq_mask: mask an interrupt source
286 * @irq_mask_ack: ack and mask an interrupt source 301 * @irq_mask_ack: ack and mask an interrupt source
287 * @irq_unmask: unmask an interrupt source 302 * @irq_unmask: unmask an interrupt source
288 * @irq_eoi: end of interrupt 303 * @irq_eoi: end of interrupt
289 * @irq_set_affinity: set the CPU affinity on SMP machines 304 * @irq_set_affinity: set the CPU affinity on SMP machines
290 * @irq_retrigger: resend an IRQ to the CPU 305 * @irq_retrigger: resend an IRQ to the CPU
291 * @irq_set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ 306 * @irq_set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
292 * @irq_set_wake: enable/disable power-management wake-on of an IRQ 307 * @irq_set_wake: enable/disable power-management wake-on of an IRQ
293 * @irq_bus_lock: function to lock access to slow bus (i2c) chips 308 * @irq_bus_lock: function to lock access to slow bus (i2c) chips
294 * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips 309 * @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips
295 * @irq_cpu_online: configure an interrupt source for a secondary CPU 310 * @irq_cpu_online: configure an interrupt source for a secondary CPU
296 * @irq_cpu_offline: un-configure an interrupt source for a secondary CPU 311 * @irq_cpu_offline: un-configure an interrupt source for a secondary CPU
297 * @irq_print_chip: optional to print special chip info in show_interrupts 312 * @irq_print_chip: optional to print special chip info in show_interrupts
298 * @flags: chip specific flags 313 * @flags: chip specific flags
299 * 314 *
300 * @release: release function solely used by UML 315 * @release: release function solely used by UML
301 */ 316 */
302 struct irq_chip { 317 struct irq_chip {
303 const char *name; 318 const char *name;
304 #ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED 319 #ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
305 unsigned int (*startup)(unsigned int irq); 320 unsigned int (*startup)(unsigned int irq);
306 void (*shutdown)(unsigned int irq); 321 void (*shutdown)(unsigned int irq);
307 void (*enable)(unsigned int irq); 322 void (*enable)(unsigned int irq);
308 void (*disable)(unsigned int irq); 323 void (*disable)(unsigned int irq);
309 324
310 void (*ack)(unsigned int irq); 325 void (*ack)(unsigned int irq);
311 void (*mask)(unsigned int irq); 326 void (*mask)(unsigned int irq);
312 void (*mask_ack)(unsigned int irq); 327 void (*mask_ack)(unsigned int irq);
313 void (*unmask)(unsigned int irq); 328 void (*unmask)(unsigned int irq);
314 void (*eoi)(unsigned int irq); 329 void (*eoi)(unsigned int irq);
315 330
316 void (*end)(unsigned int irq); 331 void (*end)(unsigned int irq);
317 int (*set_affinity)(unsigned int irq, 332 int (*set_affinity)(unsigned int irq,
318 const struct cpumask *dest); 333 const struct cpumask *dest);
319 int (*retrigger)(unsigned int irq); 334 int (*retrigger)(unsigned int irq);
320 int (*set_type)(unsigned int irq, unsigned int flow_type); 335 int (*set_type)(unsigned int irq, unsigned int flow_type);
321 int (*set_wake)(unsigned int irq, unsigned int on); 336 int (*set_wake)(unsigned int irq, unsigned int on);
322 337
323 void (*bus_lock)(unsigned int irq); 338 void (*bus_lock)(unsigned int irq);
324 void (*bus_sync_unlock)(unsigned int irq); 339 void (*bus_sync_unlock)(unsigned int irq);
325 #endif 340 #endif
326 unsigned int (*irq_startup)(struct irq_data *data); 341 unsigned int (*irq_startup)(struct irq_data *data);
327 void (*irq_shutdown)(struct irq_data *data); 342 void (*irq_shutdown)(struct irq_data *data);
328 void (*irq_enable)(struct irq_data *data); 343 void (*irq_enable)(struct irq_data *data);
329 void (*irq_disable)(struct irq_data *data); 344 void (*irq_disable)(struct irq_data *data);
330 345
331 void (*irq_ack)(struct irq_data *data); 346 void (*irq_ack)(struct irq_data *data);
332 void (*irq_mask)(struct irq_data *data); 347 void (*irq_mask)(struct irq_data *data);
333 void (*irq_mask_ack)(struct irq_data *data); 348 void (*irq_mask_ack)(struct irq_data *data);
334 void (*irq_unmask)(struct irq_data *data); 349 void (*irq_unmask)(struct irq_data *data);
335 void (*irq_eoi)(struct irq_data *data); 350 void (*irq_eoi)(struct irq_data *data);
336 351
337 int (*irq_set_affinity)(struct irq_data *data, const struct cpumask *dest, bool force); 352 int (*irq_set_affinity)(struct irq_data *data, const struct cpumask *dest, bool force);
338 int (*irq_retrigger)(struct irq_data *data); 353 int (*irq_retrigger)(struct irq_data *data);
339 int (*irq_set_type)(struct irq_data *data, unsigned int flow_type); 354 int (*irq_set_type)(struct irq_data *data, unsigned int flow_type);
340 int (*irq_set_wake)(struct irq_data *data, unsigned int on); 355 int (*irq_set_wake)(struct irq_data *data, unsigned int on);
341 356
342 void (*irq_bus_lock)(struct irq_data *data); 357 void (*irq_bus_lock)(struct irq_data *data);
343 void (*irq_bus_sync_unlock)(struct irq_data *data); 358 void (*irq_bus_sync_unlock)(struct irq_data *data);
344 359
345 void (*irq_cpu_online)(struct irq_data *data); 360 void (*irq_cpu_online)(struct irq_data *data);
346 void (*irq_cpu_offline)(struct irq_data *data); 361 void (*irq_cpu_offline)(struct irq_data *data);
347 362
348 void (*irq_print_chip)(struct irq_data *data, struct seq_file *p); 363 void (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
349 364
350 unsigned long flags; 365 unsigned long flags;
351 366
352 /* Currently used only by UML, might disappear one day.*/ 367 /* Currently used only by UML, might disappear one day.*/
353 #ifdef CONFIG_IRQ_RELEASE_METHOD 368 #ifdef CONFIG_IRQ_RELEASE_METHOD
354 void (*release)(unsigned int irq, void *dev_id); 369 void (*release)(unsigned int irq, void *dev_id);
355 #endif 370 #endif
356 }; 371 };
357 372
358 /* 373 /*
359 * irq_chip specific flags 374 * irq_chip specific flags
360 * 375 *
361 * IRQCHIP_SET_TYPE_MASKED: Mask before calling chip.irq_set_type() 376 * IRQCHIP_SET_TYPE_MASKED: Mask before calling chip.irq_set_type()
362 * IRQCHIP_EOI_IF_HANDLED: Only issue irq_eoi() when irq was handled 377 * IRQCHIP_EOI_IF_HANDLED: Only issue irq_eoi() when irq was handled
363 * IRQCHIP_MASK_ON_SUSPEND: Mask non wake irqs in the suspend path 378 * IRQCHIP_MASK_ON_SUSPEND: Mask non wake irqs in the suspend path
364 * IRQCHIP_ONOFFLINE_ENABLED: Only call irq_on/off_line callbacks 379 * IRQCHIP_ONOFFLINE_ENABLED: Only call irq_on/off_line callbacks
365 * when irq enabled 380 * when irq enabled
366 */ 381 */
367 enum { 382 enum {
368 IRQCHIP_SET_TYPE_MASKED = (1 << 0), 383 IRQCHIP_SET_TYPE_MASKED = (1 << 0),
369 IRQCHIP_EOI_IF_HANDLED = (1 << 1), 384 IRQCHIP_EOI_IF_HANDLED = (1 << 1),
370 IRQCHIP_MASK_ON_SUSPEND = (1 << 2), 385 IRQCHIP_MASK_ON_SUSPEND = (1 << 2),
371 IRQCHIP_ONOFFLINE_ENABLED = (1 << 3), 386 IRQCHIP_ONOFFLINE_ENABLED = (1 << 3),
372 }; 387 };
373 388
374 /* This include will go away once we isolated irq_desc usage to core code */ 389 /* This include will go away once we isolated irq_desc usage to core code */
375 #include <linux/irqdesc.h> 390 #include <linux/irqdesc.h>
376 391
377 /* 392 /*
378 * Pick up the arch-dependent methods: 393 * Pick up the arch-dependent methods:
379 */ 394 */
380 #include <asm/hw_irq.h> 395 #include <asm/hw_irq.h>
381 396
382 #ifndef NR_IRQS_LEGACY 397 #ifndef NR_IRQS_LEGACY
383 # define NR_IRQS_LEGACY 0 398 # define NR_IRQS_LEGACY 0
384 #endif 399 #endif
385 400
386 #ifndef ARCH_IRQ_INIT_FLAGS 401 #ifndef ARCH_IRQ_INIT_FLAGS
387 # define ARCH_IRQ_INIT_FLAGS 0 402 # define ARCH_IRQ_INIT_FLAGS 0
388 #endif 403 #endif
389 404
390 #define IRQ_DEFAULT_INIT_FLAGS ARCH_IRQ_INIT_FLAGS 405 #define IRQ_DEFAULT_INIT_FLAGS ARCH_IRQ_INIT_FLAGS
391 406
392 struct irqaction; 407 struct irqaction;
393 extern int setup_irq(unsigned int irq, struct irqaction *new); 408 extern int setup_irq(unsigned int irq, struct irqaction *new);
394 extern void remove_irq(unsigned int irq, struct irqaction *act); 409 extern void remove_irq(unsigned int irq, struct irqaction *act);
395 410
396 extern void irq_cpu_online(void); 411 extern void irq_cpu_online(void);
397 extern void irq_cpu_offline(void); 412 extern void irq_cpu_offline(void);
398 extern int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *cpumask); 413 extern int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *cpumask);
399 414
400 #ifdef CONFIG_GENERIC_HARDIRQS 415 #ifdef CONFIG_GENERIC_HARDIRQS
401 416
402 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ) 417 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ)
403 void move_native_irq(int irq); 418 void move_native_irq(int irq);
404 void move_masked_irq(int irq); 419 void move_masked_irq(int irq);
405 void irq_move_irq(struct irq_data *data); 420 void irq_move_irq(struct irq_data *data);
406 void irq_move_masked_irq(struct irq_data *data); 421 void irq_move_masked_irq(struct irq_data *data);
407 #else 422 #else
408 static inline void move_native_irq(int irq) { } 423 static inline void move_native_irq(int irq) { }
409 static inline void move_masked_irq(int irq) { } 424 static inline void move_masked_irq(int irq) { }
410 static inline void irq_move_irq(struct irq_data *data) { } 425 static inline void irq_move_irq(struct irq_data *data) { }
411 static inline void irq_move_masked_irq(struct irq_data *data) { } 426 static inline void irq_move_masked_irq(struct irq_data *data) { }
412 #endif 427 #endif
413 428
414 extern int no_irq_affinity; 429 extern int no_irq_affinity;
415 430
416 /* 431 /*
417 * Built-in IRQ handlers for various IRQ types, 432 * Built-in IRQ handlers for various IRQ types,
418 * callable via desc->handle_irq() 433 * callable via desc->handle_irq()
419 */ 434 */
420 extern void handle_level_irq(unsigned int irq, struct irq_desc *desc); 435 extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
421 extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc); 436 extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
422 extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc); 437 extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
423 extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc); 438 extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc);
424 extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc); 439 extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
425 extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc); 440 extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
426 extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc); 441 extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
427 extern void handle_nested_irq(unsigned int irq); 442 extern void handle_nested_irq(unsigned int irq);
428 443
429 /* Handling of unhandled and spurious interrupts: */ 444 /* Handling of unhandled and spurious interrupts: */
430 extern void note_interrupt(unsigned int irq, struct irq_desc *desc, 445 extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
431 irqreturn_t action_ret); 446 irqreturn_t action_ret);
432 447
433 448
434 /* Enable/disable irq debugging output: */ 449 /* Enable/disable irq debugging output: */
435 extern int noirqdebug_setup(char *str); 450 extern int noirqdebug_setup(char *str);
436 451
437 /* Checks whether the interrupt can be requested by request_irq(): */ 452 /* Checks whether the interrupt can be requested by request_irq(): */
438 extern int can_request_irq(unsigned int irq, unsigned long irqflags); 453 extern int can_request_irq(unsigned int irq, unsigned long irqflags);
439 454
440 /* Dummy irq-chip implementations: */ 455 /* Dummy irq-chip implementations: */
441 extern struct irq_chip no_irq_chip; 456 extern struct irq_chip no_irq_chip;
442 extern struct irq_chip dummy_irq_chip; 457 extern struct irq_chip dummy_irq_chip;
443 458
444 extern void 459 extern void
445 irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, 460 irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
446 irq_flow_handler_t handle, const char *name); 461 irq_flow_handler_t handle, const char *name);
447 462
448 static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip, 463 static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip,
449 irq_flow_handler_t handle) 464 irq_flow_handler_t handle)
450 { 465 {
451 irq_set_chip_and_handler_name(irq, chip, handle, NULL); 466 irq_set_chip_and_handler_name(irq, chip, handle, NULL);
452 } 467 }
453 468
454 extern void 469 extern void
455 __irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, 470 __irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
456 const char *name); 471 const char *name);
457 472
458 static inline void 473 static inline void
459 irq_set_handler(unsigned int irq, irq_flow_handler_t handle) 474 irq_set_handler(unsigned int irq, irq_flow_handler_t handle)
460 { 475 {
461 __irq_set_handler(irq, handle, 0, NULL); 476 __irq_set_handler(irq, handle, 0, NULL);
462 } 477 }
463 478
464 /* 479 /*
465 * Set a highlevel chained flow handler for a given IRQ. 480 * Set a highlevel chained flow handler for a given IRQ.
466 * (a chained handler is automatically enabled and set to 481 * (a chained handler is automatically enabled and set to
467 * IRQ_NOREQUEST and IRQ_NOPROBE) 482 * IRQ_NOREQUEST and IRQ_NOPROBE)
468 */ 483 */
469 static inline void 484 static inline void
470 irq_set_chained_handler(unsigned int irq, irq_flow_handler_t handle) 485 irq_set_chained_handler(unsigned int irq, irq_flow_handler_t handle)
471 { 486 {
472 __irq_set_handler(irq, handle, 1, NULL); 487 __irq_set_handler(irq, handle, 1, NULL);
473 } 488 }
474 489
475 void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set); 490 void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set);
476 491
477 static inline void irq_set_status_flags(unsigned int irq, unsigned long set) 492 static inline void irq_set_status_flags(unsigned int irq, unsigned long set)
478 { 493 {
479 irq_modify_status(irq, 0, set); 494 irq_modify_status(irq, 0, set);
480 } 495 }
481 496
482 static inline void irq_clear_status_flags(unsigned int irq, unsigned long clr) 497 static inline void irq_clear_status_flags(unsigned int irq, unsigned long clr)
483 { 498 {
484 irq_modify_status(irq, clr, 0); 499 irq_modify_status(irq, clr, 0);
485 } 500 }
486 501
487 static inline void irq_set_noprobe(unsigned int irq) 502 static inline void irq_set_noprobe(unsigned int irq)
488 { 503 {
489 irq_modify_status(irq, 0, IRQ_NOPROBE); 504 irq_modify_status(irq, 0, IRQ_NOPROBE);
490 } 505 }
491 506
492 static inline void irq_set_probe(unsigned int irq) 507 static inline void irq_set_probe(unsigned int irq)
493 { 508 {
494 irq_modify_status(irq, IRQ_NOPROBE, 0); 509 irq_modify_status(irq, IRQ_NOPROBE, 0);
495 } 510 }
496 511
497 static inline void irq_set_nested_thread(unsigned int irq, bool nest) 512 static inline void irq_set_nested_thread(unsigned int irq, bool nest)
498 { 513 {
499 if (nest) 514 if (nest)
500 irq_set_status_flags(irq, IRQ_NESTED_THREAD); 515 irq_set_status_flags(irq, IRQ_NESTED_THREAD);
501 else 516 else
502 irq_clear_status_flags(irq, IRQ_NESTED_THREAD); 517 irq_clear_status_flags(irq, IRQ_NESTED_THREAD);
503 } 518 }
504 519
505 /* Handle dynamic irq creation and destruction */ 520 /* Handle dynamic irq creation and destruction */
506 extern unsigned int create_irq_nr(unsigned int irq_want, int node); 521 extern unsigned int create_irq_nr(unsigned int irq_want, int node);
507 extern int create_irq(void); 522 extern int create_irq(void);
508 extern void destroy_irq(unsigned int irq); 523 extern void destroy_irq(unsigned int irq);
509 524
510 /* 525 /*
511 * Dynamic irq helper functions. Obsolete. Use irq_alloc_desc* and 526 * Dynamic irq helper functions. Obsolete. Use irq_alloc_desc* and
512 * irq_free_desc instead. 527 * irq_free_desc instead.
513 */ 528 */
514 extern void dynamic_irq_cleanup(unsigned int irq); 529 extern void dynamic_irq_cleanup(unsigned int irq);
515 static inline void dynamic_irq_init(unsigned int irq) 530 static inline void dynamic_irq_init(unsigned int irq)
516 { 531 {
517 dynamic_irq_cleanup(irq); 532 dynamic_irq_cleanup(irq);
518 } 533 }
519 534
520 /* Set/get chip/data for an IRQ: */ 535 /* Set/get chip/data for an IRQ: */
521 extern int irq_set_chip(unsigned int irq, struct irq_chip *chip); 536 extern int irq_set_chip(unsigned int irq, struct irq_chip *chip);
522 extern int irq_set_handler_data(unsigned int irq, void *data); 537 extern int irq_set_handler_data(unsigned int irq, void *data);
523 extern int irq_set_chip_data(unsigned int irq, void *data); 538 extern int irq_set_chip_data(unsigned int irq, void *data);
524 extern int irq_set_irq_type(unsigned int irq, unsigned int type); 539 extern int irq_set_irq_type(unsigned int irq, unsigned int type);
525 extern int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry); 540 extern int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry);
526 extern struct irq_data *irq_get_irq_data(unsigned int irq); 541 extern struct irq_data *irq_get_irq_data(unsigned int irq);
527 542
528 static inline struct irq_chip *irq_get_chip(unsigned int irq) 543 static inline struct irq_chip *irq_get_chip(unsigned int irq)
529 { 544 {
530 struct irq_data *d = irq_get_irq_data(irq); 545 struct irq_data *d = irq_get_irq_data(irq);
531 return d ? d->chip : NULL; 546 return d ? d->chip : NULL;
532 } 547 }
533 548
534 static inline struct irq_chip *irq_data_get_irq_chip(struct irq_data *d) 549 static inline struct irq_chip *irq_data_get_irq_chip(struct irq_data *d)
535 { 550 {
536 return d->chip; 551 return d->chip;
537 } 552 }
538 553
539 static inline void *irq_get_chip_data(unsigned int irq) 554 static inline void *irq_get_chip_data(unsigned int irq)
540 { 555 {
541 struct irq_data *d = irq_get_irq_data(irq); 556 struct irq_data *d = irq_get_irq_data(irq);
542 return d ? d->chip_data : NULL; 557 return d ? d->chip_data : NULL;
543 } 558 }
544 559
545 static inline void *irq_data_get_irq_chip_data(struct irq_data *d) 560 static inline void *irq_data_get_irq_chip_data(struct irq_data *d)
546 { 561 {
547 return d->chip_data; 562 return d->chip_data;
548 } 563 }
549 564
550 static inline void *irq_get_handler_data(unsigned int irq) 565 static inline void *irq_get_handler_data(unsigned int irq)
551 { 566 {
552 struct irq_data *d = irq_get_irq_data(irq); 567 struct irq_data *d = irq_get_irq_data(irq);
553 return d ? d->handler_data : NULL; 568 return d ? d->handler_data : NULL;
554 } 569 }
555 570
556 static inline void *irq_data_get_irq_handler_data(struct irq_data *d) 571 static inline void *irq_data_get_irq_handler_data(struct irq_data *d)
557 { 572 {
558 return d->handler_data; 573 return d->handler_data;
559 } 574 }
560 575
561 static inline struct msi_desc *irq_get_msi_desc(unsigned int irq) 576 static inline struct msi_desc *irq_get_msi_desc(unsigned int irq)
562 { 577 {
563 struct irq_data *d = irq_get_irq_data(irq); 578 struct irq_data *d = irq_get_irq_data(irq);
564 return d ? d->msi_desc : NULL; 579 return d ? d->msi_desc : NULL;
565 } 580 }
566 581
567 static inline struct msi_desc *irq_data_get_msi(struct irq_data *d) 582 static inline struct msi_desc *irq_data_get_msi(struct irq_data *d)
568 { 583 {
569 return d->msi_desc; 584 return d->msi_desc;
570 } 585 }
571 586
572 #ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT 587 #ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
573 /* Please do not use: Use the replacement functions instead */ 588 /* Please do not use: Use the replacement functions instead */
574 static inline int set_irq_chip(unsigned int irq, struct irq_chip *chip) 589 static inline int set_irq_chip(unsigned int irq, struct irq_chip *chip)
575 { 590 {
576 return irq_set_chip(irq, chip); 591 return irq_set_chip(irq, chip);
577 } 592 }
578 static inline int set_irq_data(unsigned int irq, void *data) 593 static inline int set_irq_data(unsigned int irq, void *data)
579 { 594 {
580 return irq_set_handler_data(irq, data); 595 return irq_set_handler_data(irq, data);
581 } 596 }
582 static inline int set_irq_chip_data(unsigned int irq, void *data) 597 static inline int set_irq_chip_data(unsigned int irq, void *data)
583 { 598 {
584 return irq_set_chip_data(irq, data); 599 return irq_set_chip_data(irq, data);
585 } 600 }
586 static inline int set_irq_type(unsigned int irq, unsigned int type) 601 static inline int set_irq_type(unsigned int irq, unsigned int type)
587 { 602 {
588 return irq_set_irq_type(irq, type); 603 return irq_set_irq_type(irq, type);
589 } 604 }
590 static inline int set_irq_msi(unsigned int irq, struct msi_desc *entry) 605 static inline int set_irq_msi(unsigned int irq, struct msi_desc *entry)
591 { 606 {
592 return irq_set_msi_desc(irq, entry); 607 return irq_set_msi_desc(irq, entry);
593 } 608 }
594 static inline struct irq_chip *get_irq_chip(unsigned int irq) 609 static inline struct irq_chip *get_irq_chip(unsigned int irq)
595 { 610 {
596 return irq_get_chip(irq); 611 return irq_get_chip(irq);
597 } 612 }
598 static inline void *get_irq_chip_data(unsigned int irq) 613 static inline void *get_irq_chip_data(unsigned int irq)
599 { 614 {
600 return irq_get_chip_data(irq); 615 return irq_get_chip_data(irq);
601 } 616 }
602 static inline void *get_irq_data(unsigned int irq) 617 static inline void *get_irq_data(unsigned int irq)
603 { 618 {
604 return irq_get_handler_data(irq); 619 return irq_get_handler_data(irq);
605 } 620 }
606 static inline void *irq_data_get_irq_data(struct irq_data *d) 621 static inline void *irq_data_get_irq_data(struct irq_data *d)
607 { 622 {
608 return irq_data_get_irq_handler_data(d); 623 return irq_data_get_irq_handler_data(d);
609 } 624 }
610 static inline struct msi_desc *get_irq_msi(unsigned int irq) 625 static inline struct msi_desc *get_irq_msi(unsigned int irq)
611 { 626 {
612 return irq_get_msi_desc(irq); 627 return irq_get_msi_desc(irq);
613 } 628 }
614 static inline void set_irq_noprobe(unsigned int irq) 629 static inline void set_irq_noprobe(unsigned int irq)
615 { 630 {
616 irq_set_noprobe(irq); 631 irq_set_noprobe(irq);
617 } 632 }
618 static inline void set_irq_probe(unsigned int irq) 633 static inline void set_irq_probe(unsigned int irq)
619 { 634 {
620 irq_set_probe(irq); 635 irq_set_probe(irq);
621 } 636 }
622 static inline void set_irq_nested_thread(unsigned int irq, int nest) 637 static inline void set_irq_nested_thread(unsigned int irq, int nest)
623 { 638 {
624 irq_set_nested_thread(irq, nest); 639 irq_set_nested_thread(irq, nest);
625 } 640 }
626 static inline void 641 static inline void
627 set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, 642 set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
628 irq_flow_handler_t handle, const char *name) 643 irq_flow_handler_t handle, const char *name)
629 { 644 {
630 irq_set_chip_and_handler_name(irq, chip, handle, name); 645 irq_set_chip_and_handler_name(irq, chip, handle, name);
631 } 646 }
632 static inline void 647 static inline void
633 set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip, 648 set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
634 irq_flow_handler_t handle) 649 irq_flow_handler_t handle)
635 { 650 {
636 irq_set_chip_and_handler(irq, chip, handle); 651 irq_set_chip_and_handler(irq, chip, handle);
637 } 652 }
638 static inline void 653 static inline void
639 __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, 654 __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
640 const char *name) 655 const char *name)
641 { 656 {
642 __irq_set_handler(irq, handle, is_chained, name); 657 __irq_set_handler(irq, handle, is_chained, name);
643 } 658 }
644 static inline void set_irq_handler(unsigned int irq, irq_flow_handler_t handle) 659 static inline void set_irq_handler(unsigned int irq, irq_flow_handler_t handle)
645 { 660 {
646 irq_set_handler(irq, handle); 661 irq_set_handler(irq, handle);
647 } 662 }
648 static inline void 663 static inline void
649 set_irq_chained_handler(unsigned int irq, irq_flow_handler_t handle) 664 set_irq_chained_handler(unsigned int irq, irq_flow_handler_t handle)
650 { 665 {
651 irq_set_chained_handler(irq, handle); 666 irq_set_chained_handler(irq, handle);
652 } 667 }
653 #endif 668 #endif
654 669
655 int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node); 670 int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node);
656 void irq_free_descs(unsigned int irq, unsigned int cnt); 671 void irq_free_descs(unsigned int irq, unsigned int cnt);
657 int irq_reserve_irqs(unsigned int from, unsigned int cnt); 672 int irq_reserve_irqs(unsigned int from, unsigned int cnt);
658 673
659 static inline int irq_alloc_desc(int node) 674 static inline int irq_alloc_desc(int node)
660 { 675 {
661 return irq_alloc_descs(-1, 0, 1, node); 676 return irq_alloc_descs(-1, 0, 1, node);
662 } 677 }
663 678
664 static inline int irq_alloc_desc_at(unsigned int at, int node) 679 static inline int irq_alloc_desc_at(unsigned int at, int node)
665 { 680 {
666 return irq_alloc_descs(at, at, 1, node); 681 return irq_alloc_descs(at, at, 1, node);
667 } 682 }
668 683
669 static inline int irq_alloc_desc_from(unsigned int from, int node) 684 static inline int irq_alloc_desc_from(unsigned int from, int node)
670 { 685 {
671 return irq_alloc_descs(-1, from, 1, node); 686 return irq_alloc_descs(-1, from, 1, node);
672 } 687 }
673 688
674 static inline void irq_free_desc(unsigned int irq) 689 static inline void irq_free_desc(unsigned int irq)
675 { 690 {
676 irq_free_descs(irq, 1); 691 irq_free_descs(irq, 1);
677 } 692 }
678 693
679 static inline int irq_reserve_irq(unsigned int irq) 694 static inline int irq_reserve_irq(unsigned int irq)
680 { 695 {
681 return irq_reserve_irqs(irq, 1); 696 return irq_reserve_irqs(irq, 1);
682 } 697 }
683 698
684 #endif /* CONFIG_GENERIC_HARDIRQS */ 699 #endif /* CONFIG_GENERIC_HARDIRQS */
685 700
686 #endif /* !CONFIG_S390 */ 701 #endif /* !CONFIG_S390 */
687 702
688 #endif /* _LINUX_IRQ_H */ 703 #endif /* _LINUX_IRQ_H */
689 704