serial: sh-sci: Set the UPF_FIXED_PORT flag

The base address, IRQ and baud rate generator parent clock rate can't be
changed by userspace. Mark the port as fixed.

Signed-off-by: Laurent Pinchart <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Simon Horman <[email protected]>

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 8c17d551f32bc594622c2d5f20fdde830c1f6c86..67dadbd97adb7b38d0e047a068252d4febffe23a 100644 (file)
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2248,7 +2248,7 @@ static int sci_init_single(struct platform_device *dev,
 
        port->mapbase           = p->mapbase;
        port->type              = p->type;
-       port->flags             = p->flags;
+       port->flags             = UPF_FIXED_PORT | p->flags;
        port->regshift          = p->regshift;
 
        /*