openwrtv4/target/linux/ramips/patches-3.18/0304-baud_250000.patch
John Crispin f5d5cb0114 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>

SVN-Revision: 47204
2015-10-19 10:07:43 +00:00

12 lines
302 B
Diff

--- 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);