summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/keyspan.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/keyspan.c')
-rw-r--r--drivers/usb/serial/keyspan.c57
1 files changed, 18 insertions, 39 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index f8c4b07033f..297163c3c61 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -464,13 +464,9 @@ static void usa26_indat_callback(struct urb *urb)
/* Resubmit urb so we continue receiving */
urb->dev = port->serial->dev;
- if (port->port.count) {
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err != 0)
- dbg("%s - resubmit read urb failed. (%d)",
- __func__, err);
- }
- return;
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err != 0)
+ dbg("%s - resubmit read urb failed. (%d)", __func__, err);
}
/* Outdat handling is common for all devices */
@@ -483,8 +479,7 @@ static void usa2x_outdat_callback(struct urb *urb)
p_priv = usb_get_serial_port_data(port);
dbg("%s - urb %d", __func__, urb == p_priv->out_urbs[1]);
- if (port->port.count)
- usb_serial_port_softint(port);
+ usb_serial_port_softint(port);
}
static void usa26_inack_callback(struct urb *urb)
@@ -615,12 +610,10 @@ static void usa28_indat_callback(struct urb *urb)
/* Resubmit urb so we continue receiving */
urb->dev = port->serial->dev;
- if (port->port.count) {
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err != 0)
- dbg("%s - resubmit read urb failed. (%d)",
- __func__, err);
- }
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err != 0)
+ dbg("%s - resubmit read urb failed. (%d)",
+ __func__, err);
p_priv->in_flip ^= 1;
urb = p_priv->in_urbs[p_priv->in_flip];
@@ -856,12 +849,9 @@ static void usa49_indat_callback(struct urb *urb)
/* Resubmit urb so we continue receiving */
urb->dev = port->serial->dev;
- if (port->port.count) {
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err != 0)
- dbg("%s - resubmit read urb failed. (%d)",
- __func__, err);
- }
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err != 0)
+ dbg("%s - resubmit read urb failed. (%d)", __func__, err);
}
static void usa49wg_indat_callback(struct urb *urb)
@@ -904,11 +894,7 @@ static void usa49wg_indat_callback(struct urb *urb)
/* no error on any byte */
i++;
for (x = 1; x < len ; ++x)
- if (port->port.count)
- tty_insert_flip_char(tty,
- data[i++], 0);
- else
- i++;
+ tty_insert_flip_char(tty, data[i++], 0);
} else {
/*
* some bytes had errors, every byte has status
@@ -922,14 +908,12 @@ static void usa49wg_indat_callback(struct urb *urb)
if (stat & RXERROR_PARITY)
flag |= TTY_PARITY;
/* XXX should handle break (0x10) */
- if (port->port.count)
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(tty,
data[i+1], flag);
i += 2;
}
}
- if (port->port.count)
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(tty);
tty_kref_put(tty);
}
}
@@ -1013,13 +997,9 @@ static void usa90_indat_callback(struct urb *urb)
/* Resubmit urb so we continue receiving */
urb->dev = port->serial->dev;
- if (port->port.count) {
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err != 0)
- dbg("%s - resubmit read urb failed. (%d)",
- __func__, err);
- }
- return;
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err != 0)
+ dbg("%s - resubmit read urb failed. (%d)", __func__, err);
}
@@ -2418,8 +2398,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial,
msg.portEnabled = 0;
/* Sending intermediate configs */
else {
- if (port->port.count)
- msg.portEnabled = 1;
+ msg.portEnabled = 1;
msg.txBreak = (p_priv->break_on);
}