From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Fri, 6 Dec 2013 09:59:14 +0000 (+0100)
Subject: serial: sh-sci: Set the UPF_FIXED_PORT flag
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b6e4a3f18c0d289c7eed652dc0253a7f8fea27e4;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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 <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 8c17d551f32b..67dadbd97adb 100644
--- 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;
 
 	/*