1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index 51d4b878e5d6..0533a71fa86f 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -18,6 +18,7 @@
 
 #define IRQ_FREE        -1
 #define IRQ_RESERVED    -2
+#define IRQ_SKIP        -3
 #define GIC_IRQ_START   32
 
 /*
@@ -160,6 +161,25 @@ static int __init crossbar_of_init(struct device_node *node)
                 }
         }
 
+        /* Skip irqs hardwired to bypass the crossbar */
+        irqsr = of_get_property(node, "ti,irqs-skip", &size);
+        if (irqsr) {
+                size /= sizeof(__be32);
+
+                for (i = 0; i < size; i++) {
+                        of_property_read_u32_index(node,
+                                                   "ti,irqs-skip",
+                                                   i, &entry);
+                        if (entry > max) {
+                                pr_err("Invalid skip entry\n");
+                                ret = -EINVAL;
+                                goto err3;
+                        }
+                        cb->irq_map[entry] = IRQ_SKIP;
+                }
+        }
+
+
         cb->register_offsets = kzalloc(max * sizeof(int), GFP_KERNEL);
         if (!cb->register_offsets)
                 goto err3;