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authorAlan Cox <alan@redhat.com>2008-07-16 21:53:12 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 17:12:34 -0700
commita352def21a642133758b868c71bee12ab34ad5c5 (patch)
tree95d0f7229f9e4afccdc6fbbf11f7f5c6dd83b0fd /drivers/char/pty.c
parente1e5770bb63fb9d71619a68f52cb0ba4b2ae58a6 (diff)
downloadop-kernel-dev-a352def21a642133758b868c71bee12ab34ad5c5.zip
op-kernel-dev-a352def21a642133758b868c71bee12ab34ad5c5.tar.gz
tty: Ldisc revamp
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>
Diffstat (limited to 'drivers/char/pty.c')
-rw-r--r--drivers/char/pty.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 0a05c03..76b2793 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -111,7 +111,7 @@ static int pty_write(struct tty_struct * tty, const unsigned char *buf, int coun
c = to->receive_room;
if (c > count)
c = count;
- to->ldisc.receive_buf(to, buf, NULL, c);
+ to->ldisc.ops->receive_buf(to, buf, NULL, c);
return c;
}
@@ -149,11 +149,11 @@ static int pty_chars_in_buffer(struct tty_struct *tty)
int count;
/* We should get the line discipline lock for "tty->link" */
- if (!to || !to->ldisc.chars_in_buffer)
+ if (!to || !to->ldisc.ops->chars_in_buffer)
return 0;
/* The ldisc must report 0 if no characters available to be read */
- count = to->ldisc.chars_in_buffer(to);
+ count = to->ldisc.ops->chars_in_buffer(to);
if (tty->driver->subtype == PTY_TYPE_SLAVE) return count;
@@ -186,8 +186,8 @@ static void pty_flush_buffer(struct tty_struct *tty)
if (!to)
return;
- if (to->ldisc.flush_buffer)
- to->ldisc.flush_buffer(to);
+ if (to->ldisc.ops->flush_buffer)
+ to->ldisc.ops->flush_buffer(to);
if (to->packet) {
spin_lock_irqsave(&tty->ctrl_lock, flags);
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