OPTEE_SMC_FAST_CALL_VAL(OPTEE_SMC_FUNCID_ENABLE_SHM_CACHE)
 
 /*
- * Resume from RPC (for example after processing an IRQ)
+ * Resume from RPC (for example after processing a foreign interrupt)
  *
  * Call register usage:
  * a0  SMC Function ID, OPTEE_SMC_CALL_RETURN_FROM_RPC
        OPTEE_SMC_RPC_VAL(OPTEE_SMC_RPC_FUNC_FREE)
 
 /*
- * Deliver an IRQ in normal world.
+ * Deliver foreign interrupt to normal world.
  *
  * "Call" register usage:
- * a0  OPTEE_SMC_RETURN_RPC_IRQ
+ * a0  OPTEE_SMC_RETURN_RPC_FOREIGN_INTR
  * a1-7        Resume information, must be preserved
  *
  * "Return" register usage:
  * a0  SMC Function ID, OPTEE_SMC_CALL_RETURN_FROM_RPC.
  * a1-7        Preserved
  */
-#define OPTEE_SMC_RPC_FUNC_IRQ         4
-#define OPTEE_SMC_RETURN_RPC_IRQ \
-       OPTEE_SMC_RPC_VAL(OPTEE_SMC_RPC_FUNC_IRQ)
+#define OPTEE_SMC_RPC_FUNC_FOREIGN_INTR                4
+#define OPTEE_SMC_RETURN_RPC_FOREIGN_INTR \
+       OPTEE_SMC_RPC_VAL(OPTEE_SMC_RPC_FUNC_FOREIGN_INTR)
 
 /*
  * Do an RPC request. The supplied struct optee_msg_arg tells which
 
                shm = reg_pair_to_ptr(param->a1, param->a2);
                tee_shm_free(shm);
                break;
-       case OPTEE_SMC_RPC_FUNC_IRQ:
+       case OPTEE_SMC_RPC_FUNC_FOREIGN_INTR:
                /*
-                * An IRQ was raised while secure world was executing,
-                * since all IRQs are handled in Linux a dummy RPC is
-                * performed to let Linux take the IRQ through the normal
+                * A foreign interrupt was raised while secure world was
+                * executing, since they are handled in Linux a dummy RPC is
+                * performed to let Linux take the interrupt through the normal
                 * vector.
                 */
                break;