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ramips: add a baurate hack

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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

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@47228 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
John Crispin 2015-10-19 10:19:23 +00:00
parent ebff32ce9e
commit 718cc02aa4
1 changed files with 12 additions and 0 deletions
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12
target/linux/ramips/patches-3.18/999-baud_250000.patch Normal file
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@ -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);