blob: 891ee02e12d2e083b59bc58043fc7feb1a785261 [file] [log] [blame]
From 936cfe796afcee603bab904a7a71942b4edcaded Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 28 Jun 2011 13:44:37 +0900
Subject: serial: sh-sci: Regtype probing doesn't need to be fatal.
This was using a BUG_ON(), but it's not strictly necessary, so relax the
constraints a bit.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
(cherry picked from commit 3127c6b225c6893bdfcd4db64d4316ce317fc10f)
Signed-off-by: Simon Horman <horms@verge.net.au>
---
drivers/tty/serial/sh-sci.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 78efe80..2b3d82c 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1830,6 +1830,7 @@ static int __devinit sci_init_single(struct platform_device *dev,
struct plat_sci_port *p)
{
struct uart_port *port = &sci_port->port;
+ int ret;
port->ops = &sci_uart_ops;
port->iotype = UPIO_MEM;
@@ -1850,8 +1851,11 @@ static int __devinit sci_init_single(struct platform_device *dev,
break;
}
- if (p->regtype == SCIx_PROBE_REGTYPE)
- BUG_ON(sci_probe_regmap(p) != 0);
+ if (p->regtype == SCIx_PROBE_REGTYPE) {
+ ret = sci_probe_regmap(p);
+ if (unlikely(!ret))
+ return ret;
+ }
if (dev) {
sci_port->iclk = clk_get(&dev->dev, "sci_ick");
--
1.7.10