diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 99fcc5601ea4e25df4063164ceb8f92085f5ce9e..fa45fd7ed173a2f8faaefbb7fc0be2e8125ca386 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2665,6 +2665,10 @@ static int its_alloc_tables(struct its_node *its)
 			indirect = its_parse_indirect_baser(its, baser, &order,
 							    ITS_MAX_VPEID_BITS);
 			break;
+		case GITS_BASER_TYPE_COLLECTION:
+			indirect = its_parse_indirect_baser(its, baser, &order,
+							order_base_2(num_possible_cpus()));
+			break;
 		}
 
 		err = its_setup_baser(its, baser, cache, shr, order, indirect);