diff options
| author | Johan Hovold <jhovold@gmail.com> | 2013-03-21 11:37:00 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-25 20:50:52 (GMT) |
| commit | 7bb98f0edd1df8687ca9c8ce9492f8ac6b8ec448 (patch) | |
| tree | 6d735e9ae8225f36336caf1b31313f449b8dffa8 /drivers/usb/serial/ch341.c | |
| parent | 7caed7e78c14e53479fea75c132d297257a2423c (diff) | |
| download | linux-7bb98f0edd1df8687ca9c8ce9492f8ac6b8ec448.tar.xz | |
USB: ch341: replace custom ioctl operation with tiocmiwait
Replace custom ioctl operation with tiocmiwait.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/ch341.c')
| -rw-r--r-- | drivers/usb/serial/ch341.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 07d4650..1a97985 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -500,8 +500,9 @@ exit: __func__, status); } -static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) +static int ch341_tiocmiwait(struct tty_struct *tty, unsigned long arg) { + struct usb_serial_port *port = tty->driver_data; struct ch341_private *priv = usb_get_serial_port_data(port); unsigned long flags; u8 prevstatus; @@ -542,26 +543,6 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) return 0; } -static int ch341_ioctl(struct tty_struct *tty, - unsigned int cmd, unsigned long arg) -{ - struct usb_serial_port *port = tty->driver_data; - - dev_dbg(&port->dev, "%s (%d) cmd = 0x%04x\n", __func__, port->number, cmd); - - switch (cmd) { - case TIOCMIWAIT: - dev_dbg(&port->dev, "%s (%d) TIOCMIWAIT\n", __func__, port->number); - return wait_modem_info(port, arg); - - default: - dev_dbg(&port->dev, "%s not supported = 0x%04x\n", __func__, cmd); - break; - } - - return -ENOIOCTLCMD; -} - static int ch341_tiocmget(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; @@ -611,11 +592,11 @@ static struct usb_serial_driver ch341_device = { .dtr_rts = ch341_dtr_rts, .carrier_raised = ch341_carrier_raised, .close = ch341_close, - .ioctl = ch341_ioctl, .set_termios = ch341_set_termios, .break_ctl = ch341_break_ctl, .tiocmget = ch341_tiocmget, .tiocmset = ch341_tiocmset, + .tiocmiwait = ch341_tiocmiwait, .read_int_callback = ch341_read_int_callback, .port_probe = ch341_port_probe, .port_remove = ch341_port_remove, |