Author: phk
Date: Sun Feb 26 20:56:49 2012
New Revision: 232197
URL: http://svn.freebsd.org/changeset/base/232197
Log:
Also call the low-level driver if ->c_iflag & (IXON|IXOFF|IXANY) changes.
Uftdi(4) examines (c_iflag & (IXON|IXOFF)) to control hw XON-XOFF support.
This is obviously no good, if changes to those bits are not communicated
down the stack.
Modified:
head/sys/kern/tty.c
Modified: head/sys/kern/tty.c
==============================================================================
--- head/sys/kern/tty.c Sun Feb 26 20:30:21 2012 (r232196)
+++ head/sys/kern/tty.c Sun Feb 26 20:56:49 2012 (r232197)
@@ -1481,6 +1481,8 @@ tty_generic_ioctl(struct tty *tp, u_long
*/
if ((t->c_cflag & CIGNORE) == 0 &&
(tp->t_termios.c_cflag != t->c_cflag ||
+ ((tp->t_termios.c_iflag ^ t->c_iflag) &
+ (IXON|IXOFF|IXANY)) ||
tp->t_termios.c_ispeed != t->c_ispeed ||
tp->t_termios.c_ospeed != t->c_ospeed)) {
error = ttydevsw_param(tp, t);
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