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[PATCH] tty: switch to ktermios and new framework

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This is the core of the switch to the new framework.  I've split it from the
driver patches which are mostly search/replace and would encourage people to
give this one a good hard stare.

The references to BOTHER and ISHIFT are the termios values that must be
defined by a platform once it wants to turn on "new style" ioctl support.  The
code patches here ensure that providing

1. The termios overlays the ktermios in memory
2. The only new kernel only fields are c_ispeed/c_ospeed (or none)

the existing behaviour is retained.  This is true for the patches at this
point in time.

Future patches will define BOTHER, ISHIFT and enable newer termios structures
for each architecture, and once they are all done some of the ifdefs also
vanish.

[[email protected]: warning fix]
[[email protected]: IRDA fix]
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alan Cox 2006-12-08 02:38:44 -08:00 • committed by Linus Torvalds
commit edc6afc549
7 changed files with 297 additions and 127 deletions
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2
net/irda/ircomm/ircomm_tty_ioctl.c
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@ -146,7 +146,7 @@ static void ircomm_tty_change_speed(struct ircomm_tty_cb *self)
* do something rational.
*/
void ircomm_tty_set_termios(struct tty_struct *tty,
struct termios *old_termios)
struct ktermios *old_termios)
{
struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;
unsigned int cflag = tty->termios->c_cflag;