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| author | Johan Hovold <jhovold@gmail.com> | 2010-05-13 21:33:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-20 13:21:46 -0700 |
| commit | 605204bfb0047523b3acda535163875a75268a6a (patch) | |
| tree | c3f9f404815879dfaa20157dbdf01b1fd717edc3 /drivers/usb/serial/ipw.c | |
| parent | f4a4cbb2047ec6b0175a08e5bcd78a697773390d (diff) | |
| download | kernel_samsung_smdk4412-605204bfb0047523b3acda535163875a75268a6a.zip kernel_samsung_smdk4412-605204bfb0047523b3acda535163875a75268a6a.tar.gz kernel_samsung_smdk4412-605204bfb0047523b3acda535163875a75268a6a.tar.bz2 | |
USB: ipw: clean up dtr-rts handling
No need to raise dtr/rts in open as this is taken care of by tty layer.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/ipw.c')
| -rw-r--r-- | 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) |