diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 0910822..849b3d0 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -303,8 +303,26 @@
  * @emerg: Also map the region in the emergency table
  */
 void mmu_map_region(phys_addr_t start, u64 size, bool emerg);
+
+/**
+ * mmu_change_region_attr() - change a mapped region attributes
+ *
+ * @start: Start address of the region
+ * @size:  Size of the region
+ * @aatrs: New attributes
+ */
 void mmu_change_region_attr(phys_addr_t start, size_t size, u64 attrs);
 
+/**
+ * mmu_change_region_attr_nobreak() - change a mapped region attributes without doing
+ *                                    break-before-make
+ *
+ * @start: Start address of the region
+ * @size:  Size of the region
+ * @aatrs: New attributes
+ */
+void mmu_change_region_attr_nobreak(phys_addr_t addr, size_t size, u64 attrs);
+
 /*
  * smc_call() - issue a secure monitor call
  *