From: John Crispin <john@openwrt.org>
Date: Mon, 19 Oct 2015 10:19:23 +0000 (+0000)
Subject: ramips: add a baurate hack
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a4928e8d0fc0fbbd72b44af93eb1bbffb2922b95;p=openwrt%2Fsvn-archive%2Farchive.git

ramips: add a baurate hack

When talking to an atmel controller we need 9600 or 250000 baud.
as 250000 does not exist we use 2500000.

Signed-off-by: John Crispin <blogic@openwrt.org>

Backport of r47204

SVN-Revision: 47228
---

diff --git a/target/linux/ramips/patches-3.18/999-baud_250000.patch b/target/linux/ramips/patches-3.18/999-baud_250000.patch
new file mode 100644
index 0000000000..eebe31c918
--- /dev/null
+++ b/target/linux/ramips/patches-3.18/999-baud_250000.patch
@@ -0,0 +1,12 @@
+--- a/drivers/tty/serial/serial_core.c
++++ b/drivers/tty/serial/serial_core.c
+@@ -356,6 +356,9 @@
+ 	else if (flags == UPF_SPD_WARP)
+ 		altbaud = 460800;
+ 
++	if (tty_termios_baud_rate(termios) == 2500000)
++		return 250000;
++
+ 	for (try = 0; try < 2; try++) {
+ 		baud = tty_termios_baud_rate(termios);
+