xen/arm: Introduce setup_dt_irq

This function will replace setup_irq in 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>

2 files changed, 9 insertions, 0 deletions

diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 68f2410b91..1124fc1b5b 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -521,6 +521,11 @@ static int __setup_irq(struct irq_desc *desc, unsigned int irq,
     return 0;
 }
 
+int __init setup_dt_irq(const struct dt_irq *irq, struct irqaction *new)
+{
+    return setup_irq(irq->irq, new);
+}
+
 int __init setup_irq(unsigned int irq, struct irqaction *new)
 {
     int rc;
diff --git a/xen/include/asm-arm/irq.h b/xen/include/asm-arm/irq.h
index eeb733a077..de3aa221e8 100644
--- a/xen/include/asm-arm/irq.h
+++ b/xen/include/asm-arm/irq.h
@@ -2,6 +2,7 @@
 #define _ASM_HW_IRQ_H
 
 #include <xen/config.h>
+#include <xen/device_tree.h>
 
 #define NR_VECTORS 256 /* XXX */
 
@@ -26,6 +27,7 @@ struct irq_cfg {
 #define nr_static_irqs NR_IRQS
 
 struct irq_desc;
+struct irqaction;
 
 struct irq_desc *__irq_to_desc(int irq);
 
@@ -38,6 +40,8 @@ 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 setup_dt_irq(const struct dt_irq *irq, struct irqaction *new);
+
 #endif /* _ASM_HW_IRQ_H */
 /*
  * Local variables: