diff options
Diffstat (limited to 'drivers/tty/tty_ldisc.c')
| -rw-r--r-- | drivers/tty/tty_ldisc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index fe37ec331289..1ba74d6f5e5c 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -135,8 +135,10 @@ static void put_ldops(struct tty_ldisc_ops *ldops) raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); } +static int tty_ldisc_autoload = IS_BUILTIN(CONFIG_LDISC_AUTOLOAD); /** * tty_ldisc_get - take a reference to an ldisc + * @tty: tty device * @disc: ldisc number * * Takes a reference to a line discipline. Deals with refcounts and @@ -155,8 +157,6 @@ static void put_ldops(struct tty_ldisc_ops *ldops) * takes tty_ldiscs_lock to guard against ldisc races */ -static int tty_ldisc_autoload = IS_BUILTIN(CONFIG_LDISC_AUTOLOAD); - static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc) { struct tty_ldisc *ld; @@ -190,7 +190,7 @@ static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc) return ld; } -/** +/* * tty_ldisc_put - release the ldisc * * Complement of tty_ldisc_get(). @@ -250,12 +250,12 @@ const struct seq_operations tty_ldiscs_seq_ops = { * Returns: NULL if the tty has been hungup and not re-opened with * a new file descriptor, otherwise valid ldisc reference * - * Note: Must not be called from an IRQ/timer context. The caller + * Note 1: Must not be called from an IRQ/timer context. The caller * must also be careful not to hold other locks that will deadlock * against a discipline change, such as an existing ldisc reference * (which we check for) * - * Note: a file_operations routine (read/poll/write) should use this + * Note 2: a file_operations routine (read/poll/write) should use this * function to wait for any ldisc lifetime events to finish. */ @@ -701,6 +701,7 @@ int tty_ldisc_reinit(struct tty_struct *tty, int disc) /** * tty_ldisc_hangup - hangup ldisc reset * @tty: tty being hung up + * @reinit: whether to re-initialise the tty * * Some tty devices reset their termios when they receive a hangup * event. In that situation we must also switch back to N_TTY properly |