diff options
| author | Alan Cox <alan@redhat.com> | 2008-07-22 11:18:03 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 13:03:28 -0700 |
| commit | 9e98966c7bb94355689478bc84cc3e0c190f977e (patch) | |
| tree | 928aebbfee524a48aa94a3d3def5249c8846a79a /drivers/usb/serial/usb-serial.c | |
| parent | abbe629ae4011d2020047f41bea9f9e4b0ec4361 (diff) | |
tty: rework break handling
Some hardware needs to do break handling itself and may have partial
support only. Make break_ctl return an error code. Add a tty driver flag
so you can indicate driver hardware side break support.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 51917b0f079..8c2d531eede 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -395,7 +395,7 @@ static void serial_set_termios(struct tty_struct *tty, struct ktermios *old) tty_termios_copy_hw(tty->termios, old); } -static void serial_break(struct tty_struct *tty, int break_state) +static int serial_break(struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; @@ -409,6 +409,7 @@ static void serial_break(struct tty_struct *tty, int break_state) port->serial->type->break_ctl(tty, break_state); unlock_kernel(); } + return 0; } static int serial_read_proc(char *page, char **start, off_t off, int count, |