1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 33fb94f78967..aa00154c4a6d 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -89,6 +89,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
 
         spin_lock_init(&port->lock);
         port->mapbase = resource.start;
+        port->mapsize = resource_size(&resource);
 
         /* Check for shifted address mapping */
         if (of_property_read_u32(np, "reg-offset", &prop) == 0)
@@ -155,7 +156,7 @@ out:
 /*
  * Try to register a serial port
  */
-static struct of_device_id of_platform_serial_table[];
+static const struct of_device_id of_platform_serial_table[];
 static int of_platform_serial_probe(struct platform_device *ofdev)
 {
         const struct of_device_id *match;
@@ -320,7 +321,7 @@ static SIMPLE_DEV_PM_OPS(of_serial_pm_ops, of_serial_suspend, of_serial_resume);
 /*
  * A few common types, add more as needed.
  */
-static struct of_device_id of_platform_serial_table[] = {
+static const struct of_device_id of_platform_serial_table[] = {
         { .compatible = "ns8250",   .data = (void *)PORT_8250, },
         { .compatible = "ns16450",  .data = (void *)PORT_16450, },
         { .compatible = "ns16550a", .data = (void *)PORT_16550A, },