1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 5ff269fb604c..dbf13c03a1bb 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -1229,13 +1229,27 @@ static int __init ip22zilog_init(void)
 static void __exit ip22zilog_exit(void)
 {
         int i;
+        struct uart_ip22zilog_port *up;
 
         for (i = 0; i < NUM_CHANNELS; i++) {
-                struct uart_ip22zilog_port *up = &ip22zilog_port_table[i];
+                up = &ip22zilog_port_table[i];
 
                 uart_remove_one_port(&ip22zilog_reg, &up->port);
         }
 
+        /* Free IO mem */
+        up = &ip22zilog_port_table[0];
+        for (i = 0; i < NUM_IP22ZILOG; i++) {
+                if (up[(i * 2) + 0].port.mapbase) {
+                   iounmap((void*)up[(i * 2) + 0].port.mapbase);
+                   up[(i * 2) + 0].port.mapbase = 0;
+                }
+                if (up[(i * 2) + 1].port.mapbase) {
+                        iounmap((void*)up[(i * 2) + 1].port.mapbase);
+                        up[(i * 2) + 1].port.mapbase = 0;
+                }
+        }
+
         uart_unregister_driver(&ip22zilog_reg);
 }