diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 6e445bc555372cbc24da45560b286c4fd78eb4de..619a3e503346dcc3d2fb3ecf4b08da9f0263f403 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -1667,6 +1667,10 @@ void __init acpi_iort_init(void)
 {
 	acpi_status status;
 
+	/* iort_table will be used at runtime after the iort init,
+	 * so we don't need to call acpi_put_table() to release
+	 * the IORT table mapping.
+	 */
 	status = acpi_get_table(ACPI_SIG_IORT, 0, &iort_table);
 	if (ACPI_FAILURE(status)) {
 		if (status != AE_NOT_FOUND) {