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-rw-r--r--target/linux/ar7/patches-4.1/001-mips-ar7-fix-serial.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-4.1/001-mips-ar7-fix-serial.patch b/target/linux/ar7/patches-4.1/001-mips-ar7-fix-serial.patch
new file mode 100644
index 0000000000..1aded9246c
--- /dev/null
+++ b/target/linux/ar7/patches-4.1/001-mips-ar7-fix-serial.patch
@@ -0,0 +1,23 @@
+From 443ab715a40881d6c9ba11b027ba154bac904cb0 Mon Sep 17 00:00:00 2001
+From: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
+Date: Sat, 10 May 2014 23:19:08 +0200
+Subject: [PATCH] MIPS/AR7: ensure that serial ports are properly set up
+
+without UPF_FIXED_TYPE, the data from the PORT_AR7 uart_config entry is
+never copied, resulting in a dead port.
+
+Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
+---
+ arch/mips/ar7/platform.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -577,6 +577,7 @@ static int __init ar7_register_uarts(voi
+ uart_port.type = PORT_AR7;
+ uart_port.uartclk = clk_get_rate(bus_clk) / 2;
+ uart_port.iotype = UPIO_MEM32;
++ uart_port.flags = UPF_FIXED_TYPE;
+ uart_port.regshift = 2;
+
+ uart_port.line = 0;