[POWERPC] Dispose irq mapping when done in mpc52xx_serial.c

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 955bbd653e22..8d24cd521056 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -995,8 +995,10 @@ mpc52xx_uart_of_remove(struct of_device *op)
         struct uart_port *port = dev_get_drvdata(&op->dev);
         dev_set_drvdata(&op->dev, NULL);
 
-        if (port)
+        if (port) {
                 uart_remove_one_port(&mpc52xx_uart_driver, port);
+                irq_dispose_mapping(port->irq);
+        }
 
         return 0;
 }