[PATCH v2 42/85] USB: ch341: replace custom ioctl operation with tiocmiwait

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Replace custom ioctl operation with tiocmiwait.

Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
---
 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 f79ea70..519eebf 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -502,8 +502,9 @@ 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;
@@ -544,26 +545,6 @@ 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;
@@ -613,11 +594,11 @@ 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,
-- 
1.8.1.5

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux