diff options
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 82d7ce8c9409..ba7863bbbb4d 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1309,9 +1309,10 @@ static void uart_set_termios(struct tty_struct *tty, } /* - * In 2.4.5, calls to this will be serialized via the BKL in - * linux/drivers/char/tty_io.c:tty_release() - * linux/drivers/char/tty_io.c:do_tty_handup() + * Calls to uart_close() are serialised via the tty_lock in + * drivers/tty/tty_io.c:tty_release() + * drivers/tty/tty_io.c:do_tty_hangup() + * This runs from a workqueue and can sleep for a _short_ time only. */ static void uart_close(struct tty_struct *tty, struct file *filp) { @@ -1438,10 +1439,9 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout) } /* - * This is called with the BKL held in - * linux/drivers/char/tty_io.c:do_tty_hangup() - * We're called from the eventd thread, so we can sleep for - * a _short_ time only. + * Calls to uart_hangup() are serialised by the tty_lock in + * drivers/tty/tty_io.c:do_tty_hangup() + * This runs from a workqueue and can sleep for a _short_ time only. */ static void uart_hangup(struct tty_struct *tty) { @@ -1522,8 +1522,8 @@ static void uart_dtr_rts(struct tty_port *port, int onoff) } /* - * calls to uart_open are serialised by the BKL in - * fs/char_dev.c:chrdev_open() + * Calls to uart_open are serialised by the tty_lock in + * drivers/tty/tty_io.c:tty_open() * Note that if this fails, then uart_close() _will_ be called. * * In time, we want to scrap the "opening nonpresent ports" |
