From 7bb98f0edd1df8687ca9c8ce9492f8ac6b8ec448 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 21 Mar 2013 12:37:00 +0100 Subject: [PATCH] USB: ch341: replace custom ioctl operation with tiocmiwait Replace custom ioctl operation with tiocmiwait. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ch341.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 07d4650a32ab..1a97985df782 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, -- 2.20.1