diff mbox

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

Message ID 1404813666-25816-1-git-send-email-julien.grall@linaro.org
State Superseded, archived
Headers show

Commit Message

Julien Grall July 8, 2014, 10:01 a.m. UTC 
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@linaro.org>
---
 xen/common/device_tree.c |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index 310635e..04bd1e9 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 ( rirq.controller != dt_interrupt_controller )
+        return -EINVAL;
 
     return dt_irq_xlate(raw->specifier, raw->size,
                         &out_irq->irq, &out_irq->type);