xen/arm: Introduce request_dt_irq

This function will replace request_irq in a later patch. It takes a dt_irq
as first argument instead of an unsigned int.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c
index b2e486f89152a16243201712a85a52b4190fbb10..e83ad227455afe63a4d966908627f71d120cd75b 100644 (file)
--- a/xen/arch/arm/irq.c
+++ b/xen/arch/arm/irq.c
@@ -93,6 +93,13 @@ void __cpuinit init_secondary_IRQ(void)
     BUG_ON(init_local_irq_data() < 0);
 }
 
+int __init request_dt_irq(const struct dt_irq *irq,
+        void (*handler)(int, void *, struct cpu_user_regs *),
+        unsigned long irqflags, const char *devname, void *dev_id)
+{
+    return request_irq(irq->irq, handler, irqflags, devname, dev_id);
+}
+
 int __init request_irq(unsigned int irq,
         void (*handler)(int, void *, struct cpu_user_regs *),
         unsigned long irqflags, const char * devname, void *dev_id)

diff --git a/xen/include/asm-arm/irq.h b/xen/include/asm-arm/irq.h
index de3aa221e8f9a9760305369f769c8a9ee355e9f1..80ff68dfc61b7a38f82a8d7771c7218185548f82 100644 (file)
--- a/xen/include/asm-arm/irq.h
+++ b/xen/include/asm-arm/irq.h
@@ -40,6 +40,10 @@ void do_IRQ(struct cpu_user_regs *regs, unsigned int irq, int is_fiq);
 void init_IRQ(void);
 void init_secondary_IRQ(void);
 
+int __init request_dt_irq(const struct dt_irq *irq,
+                          void (*handler)(int, void *, struct cpu_user_regs *),
+                          unsigned long irqflags, const char *devname,
+                          void *dev_id);
 int __init setup_dt_irq(const struct dt_irq *irq, struct irqaction *new);
 
 #endif /* _ASM_HW_IRQ_H */