From: Johan Hovold <jhovold@xxxxxxxxx>
No need to raise dtr/rts in open as this is taken care of by tty layer.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/serial/ipw.c | 43 ++++++-------------------------------------
1 files changed, 6 insertions(+), 37 deletions(-)
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index e1d0784..18b335e 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -267,35 +267,6 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
dev_err(&port->dev,
"initial flowcontrol failed (error = %d)\n", result);
-
- /*--5: raise the dtr */
- dbg("%s:raising 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_SETDTR,
- 0,
- NULL,
- 0,
- 200000);
- if (result < 0)
- dev_err(&port->dev,
- "setting dtr failed (error = %d)\n", result);
-
- /*--6: raise the rts */
- dbg("%s:raising rts", __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_SETRTS,
- 0,
- NULL,
- 0,
- 200000);
- if (result < 0)
- dev_err(&port->dev,
- "setting dtr failed (error = %d)\n", result);
-
kfree(buf_flow_init);
return 0;
}
@@ -305,8 +276,8 @@ static void ipw_dtr_rts(struct usb_serial_port *port, int on)
struct usb_device *dev = port->serial->dev;
int result;
- /*--1: drop the dtr */
- dbg("%s:dropping dtr", __func__);
+ dbg("%s: on = %d", __func__, on);
+
result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
IPW_SIO_SET_PIN,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
@@ -316,22 +287,20 @@ static void ipw_dtr_rts(struct usb_serial_port *port, int on)
0,
200000);
if (result < 0)
- dev_err(&port->dev, "dropping dtr failed (error = %d)\n",
+ dev_err(&port->dev, "setting dtr failed (error = %d)\n",
result);
- /*--2: drop the rts */
- dbg("%s:dropping rts", __func__);
result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
IPW_SIO_SET_PIN, USB_TYPE_VENDOR |
- USB_RECIP_INTERFACE | USB_DIR_OUT,
+ USB_RECIP_INTERFACE | USB_DIR_OUT,
on ? IPW_PIN_SETRTS : IPW_PIN_CLRRTS,
0,
NULL,
0,
200000);
if (result < 0)
- dev_err(&port->dev,
- "dropping rts failed (error = %d)\n", result);
+ dev_err(&port->dev, "setting rts failed (error = %d)\n",
+ result);
}
static void ipw_close(struct usb_serial_port *port)
--
1.7.1
--
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
