[Xen-devel] [PATCH v2] xen/dt: Allow only IRQ translation that are mapped to main GIC

[Julien Grall <julien.grall@xxxxxxxxxx>]

Xen is only able to handle one GIC controller. Some platform may contain
other interrupt controller.

Make sure to only translate IRQ mapped into the GIC handled by Xen.

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

---
    Changes in v2:
        - Fix compilation...
---
 xen/common/device_tree.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index 310635e..7178c77 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -1444,6 +1444,8 @@ int dt_irq_translate(const struct dt_raw_irq *raw,
     ASSERT(dt_irq_xlate != NULL);
 
     /* TODO: Retrieve the right irq_xlate. This is only work for the gic */
+    if ( raw->controller != dt_interrupt_controller )
+        return -EINVAL;
 
     return dt_irq_xlate(raw->specifier, raw->size,
                         &out_irq->irq, &out_irq->type);
-- 
1.9.3


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