diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 19:59:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 19:59:04 -0700 |
| commit | 73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034 (patch) | |
| tree | 866f0ebb2b148479e93b5ac955097b1cc94ceb4e /drivers/usb/serial/usb-serial.c | |
| parent | b9da0571050c09863e59f94d0b8594a290d61b88 (diff) | |
| parent | cd3ecad19aea8debae9a48b53de2ec7a571f24e9 (diff) | |
| download | linux-next-73ecf3a6e3f0206bf56a0fefe3b3eda042fb7034.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (49 commits)
serial8250: ratelimit "too much work" error
serial: bfin_sport_uart: speed up sport RX sample rate to be 3% faster
serial: abstraction for 8250 legacy ports
serial/imx: check that the buffer is non-empty before sending it out
serial: mfd: add more baud rates support
jsm: Remove the uart port on errors
Alchemy: Add UART PM methods.
8250: allow platforms to override PM hook.
altera_uart: Don't use plain integer as NULL pointer
altera_uart: Fix missing prototype for registering an early console
altera_uart: Fixup type usage of port flags
altera_uart: Make it possible to use Altera UART and 8250 ports together
altera_uart: Add support for different address strides
altera_uart: Add support for getting mapbase and IRQ from resources
altera_uart: Add support for polling mode (IRQ-less)
serial: Factor out uart_poll_timeout() from 8250 driver
serial: mark the 8250 driver as maintained
serial: 8250: Don't delay after transmitter is ready.
tty: MAINTAINERS: add drivers/serial/jsm/ as maintained driver
vcs: invoke the vt update callback when /dev/vcs* is written to
...
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 7a2177c79bde..e64da74bdcc5 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -519,6 +519,18 @@ static int serial_tiocmset(struct tty_struct *tty, struct file *file, return -EINVAL; } +static int serial_get_icount(struct tty_struct *tty, + struct serial_icounter_struct *icount) +{ + struct usb_serial_port *port = tty->driver_data; + + dbg("%s - port %d", __func__, port->number); + + if (port->serial->type->get_icount) + return port->serial->type->get_icount(tty, icount); + return -EINVAL; +} + /* * We would be calling tty_wakeup here, but unfortunately some line * disciplines have an annoying habit of calling tty->write from @@ -1195,6 +1207,7 @@ static const struct tty_operations serial_ops = { .chars_in_buffer = serial_chars_in_buffer, .tiocmget = serial_tiocmget, .tiocmset = serial_tiocmset, + .get_icount = serial_get_icount, .cleanup = serial_cleanup, .install = serial_install, .proc_fops = &serial_proc_fops, |