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tty: Ldisc revamp

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Move the line disciplines towards a conventional ->ops arrangement.  For
the moment the actual 'tty_ldisc' struct in the tty is kept as part of
the tty struct but this can then be changed if it turns out that when it
all settles down we want to refcount ldiscs separately to the tty.

Pull the ldisc code out of /proc and put it with our ldisc code.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2008-07-16 21:53:12 +01:00
committed by Linus Torvalds
parent e1e5770bb6
commit a352def21a
32 changed files with 286 additions and 246 deletions
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6
drivers/char/n_hdlc.c
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@@ -199,7 +199,7 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty);
#define tty2n_hdlc(tty) ((struct n_hdlc *) ((tty)->disc_data))
#define n_hdlc2tty(n_hdlc) ((n_hdlc)->tty)
static struct tty_ldisc n_hdlc_ldisc = {
static struct tty_ldisc_ops n_hdlc_ldisc = {
.owner = THIS_MODULE,
.magic = TTY_LDISC_MAGIC,
.name = "hdlc",
@@ -342,8 +342,8 @@ static int n_hdlc_tty_open (struct tty_struct *tty)
#endif
/* Flush any pending characters in the driver and discipline. */
if (tty->ldisc.flush_buffer)
tty->ldisc.flush_buffer(tty);
if (tty->ldisc.ops->flush_buffer)
tty->ldisc.ops->flush_buffer(tty);
tty_driver_flush_buffer(tty);