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Diffstat (limited to 'include/linux/interrupt.h')
-rw-r--r--include/linux/interrupt.h31
1 files changed, 14 insertions, 17 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index c782a74d2a30..6cd26ffb0505 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -109,6 +109,7 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
* @name: name of the device
* @dev_id: cookie to identify the device
* @percpu_dev_id: cookie to identify the device
+ * @affinity: CPUs this irqaction is allowed to run on
* @next: pointer to the next irqaction for shared interrupts
* @irq: interrupt number
* @flags: flags (see IRQF_* above)
@@ -121,8 +122,11 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
*/
struct irqaction {
irq_handler_t handler;
- void *dev_id;
- void __percpu *percpu_dev_id;
+ union {
+ void *dev_id;
+ void __percpu *percpu_dev_id;
+ };
+ const struct cpumask *affinity;
struct irqaction *next;
irq_handler_t thread_fn;
struct task_struct *thread;
@@ -140,7 +144,7 @@ extern irqreturn_t no_action(int cpl, void *dev_id);
/*
* If a (PCI) device interrupt is not connected we set dev->irq to
* IRQ_NOTCONNECTED. This causes request_irq() to fail with -ENOTCONN, so we
- * can distingiush that case from other error returns.
+ * can distinguish that case from other error returns.
*
* 0x80000000 is guaranteed to be outside the available range of interrupts
* and easy to distinguish from other possible incorrect values.
@@ -177,9 +181,8 @@ request_any_context_irq(unsigned int irq, irq_handler_t handler,
unsigned long flags, const char *name, void *dev_id);
extern int __must_check
-__request_percpu_irq(unsigned int irq, irq_handler_t handler,
- unsigned long flags, const char *devname,
- void __percpu *percpu_dev_id);
+request_percpu_irq_affinity(unsigned int irq, irq_handler_t handler, const char *devname,
+ const cpumask_t *affinity, void __percpu *percpu_dev_id);
extern int __must_check
request_nmi(unsigned int irq, irq_handler_t handler, unsigned long flags,
@@ -189,13 +192,13 @@ static inline int __must_check
request_percpu_irq(unsigned int irq, irq_handler_t handler,
const char *devname, void __percpu *percpu_dev_id)
{
- return __request_percpu_irq(irq, handler, 0,
- devname, percpu_dev_id);
+ return request_percpu_irq_affinity(irq, handler, devname,
+ NULL, percpu_dev_id);
}
extern int __must_check
-request_percpu_nmi(unsigned int irq, irq_handler_t handler,
- const char *devname, void __percpu *dev);
+request_percpu_nmi(unsigned int irq, irq_handler_t handler, const char *name,
+ const struct cpumask *affinity, void __percpu *dev_id);
extern const void *free_irq(unsigned int, void *);
extern void free_percpu_irq(unsigned int, void __percpu *);
@@ -215,7 +218,7 @@ static inline int __must_check
devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler,
unsigned long irqflags, const char *devname, void *dev_id)
{
- return devm_request_threaded_irq(dev, irq, handler, NULL, irqflags,
+ return devm_request_threaded_irq(dev, irq, handler, NULL, irqflags | IRQF_COND_ONESHOT,
devname, dev_id);
}
@@ -858,12 +861,6 @@ static inline void init_irq_proc(void)
}
#endif
-#ifdef CONFIG_IRQ_TIMINGS
-void irq_timings_enable(void);
-void irq_timings_disable(void);
-u64 irq_timings_next_event(u64 now);
-#endif
-
struct seq_file;
int show_interrupts(struct seq_file *p, void *v);
int arch_show_interrupts(struct seq_file *p, int prec);