summaryrefslogtreecommitdiff
path: root/target/linux/ramips/patches-3.10/0124-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch
blob: 8bd00e93d9d82168fd2e9435904819388cc86dff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
From 3f70be332048f6a903dc35f73ff5381be3b8f12b Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Sun, 14 Jul 2013 23:18:57 +0200
Subject: [PATCH 124/133] serial: of: allow au1x00 and rt288x to load from OF

In order to make serial_8250 loadable via OF on Au1x00 and Ralink WiSoC we need
to default the iotype to UPIO_AU.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 drivers/tty/serial/of_serial.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -103,7 +103,10 @@ static int of_platform_serial_setup(stru
 		port->fifosize = prop;
 
 	port->irq = irq_of_parse_and_map(np, 0);
-	port->iotype = UPIO_MEM;
+	if (of_device_is_compatible(np, "ralink,rt2880-uart"))
+		port->iotype = UPIO_AU;
+	else
+		port->iotype = UPIO_MEM;
 	if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
 		switch (prop) {
 		case 1: