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-rw-r--r--include/linux/interrupt.h11
-rw-r--r--kernel/irq/manage.c15
2 files changed, 20 insertions, 6 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 37f8e354f564..5ac6e238555e 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -152,8 +152,17 @@ 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);
+
+static inline int __must_check
request_percpu_irq(unsigned int irq, irq_handler_t handler,
- const char *devname, void __percpu *percpu_dev_id);
+ const char *devname, void __percpu *percpu_dev_id)
+{
+ return __request_percpu_irq(irq, handler, 0,
+ devname, percpu_dev_id);
+}
extern const void *free_irq(unsigned int, void *);
extern void free_percpu_irq(unsigned int, void __percpu *);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 91e1f2390752..5624b2dd6b58 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1950,9 +1950,10 @@ int setup_percpu_irq(unsigned int irq, struct irqaction *act)
}
/**
- * request_percpu_irq - allocate a percpu interrupt line
+ * __request_percpu_irq - allocate a percpu interrupt line
* @irq: Interrupt line to allocate
* @handler: Function to be called when the IRQ occurs.
+ * @flags: Interrupt type flags (IRQF_TIMER only)
* @devname: An ascii name for the claiming device
* @dev_id: A percpu cookie passed back to the handler function
*
@@ -1965,8 +1966,9 @@ int setup_percpu_irq(unsigned int irq, struct irqaction *act)
* the handler gets called with the interrupted CPU's instance of
* that variable.
*/
-int request_percpu_irq(unsigned int irq, irq_handler_t handler,
- const char *devname, void __percpu *dev_id)
+int __request_percpu_irq(unsigned int irq, irq_handler_t handler,
+ unsigned long flags, const char *devname,
+ void __percpu *dev_id)
{
struct irqaction *action;
struct irq_desc *desc;
@@ -1980,12 +1982,15 @@ int request_percpu_irq(unsigned int irq, irq_handler_t handler,
!irq_settings_is_per_cpu_devid(desc))
return -EINVAL;
+ if (flags && flags != IRQF_TIMER)
+ return -EINVAL;
+
action = kzalloc(sizeof(struct irqaction), GFP_KERNEL);
if (!action)
return -ENOMEM;
action->handler = handler;
- action->flags = IRQF_PERCPU | IRQF_NO_SUSPEND;
+ action->flags = flags | IRQF_PERCPU | IRQF_NO_SUSPEND;
action->name = devname;
action->percpu_dev_id = dev_id;
@@ -2004,7 +2009,7 @@ int request_percpu_irq(unsigned int irq, irq_handler_t handler,
return retval;
}
-EXPORT_SYMBOL_GPL(request_percpu_irq);
+EXPORT_SYMBOL_GPL(__request_percpu_irq);
/**
* irq_get_irqchip_state - returns the irqchip state of a interrupt.
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