aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ramips/patches-3.10/0021-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ramips/patches-3.10/0021-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch')
-rw-r--r--target/linux/ramips/patches-3.10/0021-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.10/0021-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch b/target/linux/ramips/patches-3.10/0021-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch
new file mode 100644
index 0000000000..73fbab97f7
--- /dev/null
+++ b/target/linux/ramips/patches-3.10/0021-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch
@@ -0,0 +1,32 @@
+From 53b934f796611b9a27b698429f1aaec0fe678693 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 14 Jul 2013 23:18:57 +0200
+Subject: [PATCH 21/33] 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(-)
+
+diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
+index 39c7ea4..0f333f3 100644
+--- a/drivers/tty/serial/of_serial.c
++++ b/drivers/tty/serial/of_serial.c
+@@ -103,7 +103,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
+ 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:
+--
+1.7.10.4
+