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authorJohan Hovold <jhovold@gmail.com>2013-03-21 12:37:00 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-25 13:50:52 -0700
commit7bb98f0edd1df8687ca9c8ce9492f8ac6b8ec448 (patch)
tree6d735e9ae8225f36336caf1b31313f449b8dffa8
parent7caed7e78c14e53479fea75c132d297257a2423c (diff)
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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>
-rw-r--r--drivers/usb/serial/ch341.c25
1 files 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,
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