GIC: Add API to set interrupt priority

API documentation updated.

Change-Id: Ib700eb1b8ca65503aeed0ac4ce0e7b934df67ff9
Co-authored-by: Yousuf A <yousuf.sait@arm.com>
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
diff --git a/plat/common/plat_gicv2.c b/plat/common/plat_gicv2.c
index 2591805..d50138e 100644
--- a/plat/common/plat_gicv2.c
+++ b/plat/common/plat_gicv2.c
@@ -27,6 +27,7 @@
 #pragma weak plat_ic_get_interrupt_active
 #pragma weak plat_ic_enable_interrupt
 #pragma weak plat_ic_disable_interrupt
+#pragma weak plat_ic_set_interrupt_priority
 
 /*
  * This function returns the highest priority pending interrupt at
@@ -165,3 +166,8 @@
 {
 	gicv2_disable_interrupt(id);
 }
+
+void plat_ic_set_interrupt_priority(unsigned int id, unsigned int priority)
+{
+	gicv2_set_interrupt_priority(id, priority);
+}
diff --git a/plat/common/plat_gicv3.c b/plat/common/plat_gicv3.c
index 2a1f0f5..230d90c 100644
--- a/plat/common/plat_gicv3.c
+++ b/plat/common/plat_gicv3.c
@@ -33,6 +33,7 @@
 #pragma weak plat_ic_get_interrupt_active
 #pragma weak plat_ic_enable_interrupt
 #pragma weak plat_ic_disable_interrupt
+#pragma weak plat_ic_set_interrupt_priority
 
 CASSERT((INTR_TYPE_S_EL1 == INTR_GROUP1S) &&
 	(INTR_TYPE_NS == INTR_GROUP1NS) &&
@@ -198,6 +199,11 @@
 {
 	gicv3_disable_interrupt(id, plat_my_core_pos());
 }
+
+void plat_ic_set_interrupt_priority(unsigned int id, unsigned int priority)
+{
+	gicv3_set_interrupt_priority(id, plat_my_core_pos(), priority);
+}
 #endif
 #ifdef IMAGE_BL32