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path: root/drivers/usb/serial/ipw.c
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Diffstat (limited to 'drivers/usb/serial/ipw.c')
-rw-r--r--drivers/usb/serial/ipw.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index da2a2b46644..29ad038b9c8 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -302,23 +302,17 @@ static int ipw_open(struct tty_struct *tty,
return 0;
}
-static void ipw_close(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static void ipw_dtr_rts(struct usb_serial_port *port, int on)
{
struct usb_device *dev = port->serial->dev;
int result;
- if (tty_hung_up_p(filp)) {
- dbg("%s: tty_hung_up_p ...", __func__);
- return;
- }
-
/*--1: drop the dtr */
dbg("%s:dropping dtr", __func__);
result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
IPW_SIO_SET_PIN,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
- IPW_PIN_CLRDTR,
+ on ? IPW_PIN_SETDTR : IPW_PIN_CLRDTR,
0,
NULL,
0,
@@ -332,7 +326,7 @@ static void ipw_close(struct tty_struct *tty,
result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
IPW_SIO_SET_PIN, USB_TYPE_VENDOR |
USB_RECIP_INTERFACE | USB_DIR_OUT,
- IPW_PIN_CLRRTS,
+ on ? IPW_PIN_SETRTS : IPW_PIN_CLRRTS,
0,
NULL,
0,
@@ -340,7 +334,12 @@ static void ipw_close(struct tty_struct *tty,
if (result < 0)
dev_err(&port->dev,
"dropping rts failed (error = %d)\n", result);
+}
+static void ipw_close(struct usb_serial_port *port)
+{
+ struct usb_device *dev = port->serial->dev;
+ int result;
/*--3: purge */
dbg("%s:sending purge", __func__);
@@ -461,6 +460,7 @@ static struct usb_serial_driver ipw_device = {
.num_ports = 1,
.open = ipw_open,
.close = ipw_close,
+ .dtr_rts = ipw_dtr_rts,
.port_probe = ipw_probe,
.port_remove = ipw_disconnect,
.write = ipw_write,