[PATCH 4/5] xen: refactor irq_set_type out of platform_get_irq

[Ian Campbell <ian.campbell@citrix.com>]

When parsing a PCI nodes interrupt-map property I need to be able to configure
an interrupt which has no associated dt_device_node. So refactor the code and
expose.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
 xen/arch/arm/irq.c        |   16 ++++++++++------
 xen/include/asm-arm/irq.h |    1 +
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c
index 25ecf1d..084324a 100644
--- a/xen/arch/arm/irq.c
+++ b/xen/arch/arm/irq.c
@@ -520,6 +520,15 @@ unlock:
     return ret;
 }
 
+int irq_set_type(unsigned int irq, unsigned int type)
+{
+    /* Setup the IRQ type */
+    if ( irq < NR_LOCAL_IRQS )
+        return irq_local_set_type(irq, type);
+    else
+        return irq_set_spi_type(irq, type);
+}
+
 int platform_get_irq(const struct dt_device_node *device, int index)
 {
     struct dt_irq dt_irq;
@@ -533,12 +542,7 @@ int platform_get_irq(const struct dt_device_node *device, int index)
     irq = dt_irq.irq;
     type = dt_irq.type;
 
-    /* Setup the IRQ type */
-    if ( irq < NR_LOCAL_IRQS )
-        res = irq_local_set_type(irq, type);
-    else
-        res = irq_set_spi_type(irq, type);
-
+    res = irq_set_type(irq, type);
     if ( res )
             return -1;
 
diff --git a/xen/include/asm-arm/irq.h b/xen/include/asm-arm/irq.h
index e877334..778e79a 100644
--- a/xen/include/asm-arm/irq.h
+++ b/xen/include/asm-arm/irq.h
@@ -47,6 +47,7 @@ void arch_move_irqs(struct vcpu *v);
 /* Set IRQ type for an SPI */
 int irq_set_spi_type(unsigned int spi, unsigned int type);
 
+int irq_set_type(unsigned int irq, unsigned int type);
 int platform_get_irq(const struct dt_device_node *device, int index);
 
 void irq_set_affinity(struct irq_desc *desc, const cpumask_t *cpu_mask);
-- 
1.7.10.4