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path: root/drivers/usb/serial
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Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/digi_acceleport.c3
-rw-r--r--drivers/usb/serial/ftdi_sio.c4
-rw-r--r--drivers/usb/serial/mos7840.c1
3 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 3edda3ed822a..fd35f73b5721 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1239,8 +1239,7 @@ static void digi_write_bulk_callback(struct urb *urb)
/* port and serial sanity check */
if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
- dev_err(&port->dev,
- "%s: port or port->private is NULL, status=%d\n",
+ pr_err("%s: port or port->private is NULL, status=%d\n",
__func__, status);
return;
}
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 050211afc07e..79dd1ae195e5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2005,6 +2005,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
"urb failed to set to rts/cts flow control\n");
}
+ /* raise DTR/RTS */
+ set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
} else {
/*
* Xon/Xoff code
@@ -2052,6 +2054,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
}
}
+ /* lower DTR/RTS */
+ clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
}
return;
}
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index f8424d1bfc1b..585b7e663740 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -730,7 +730,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
mos7840_port = urb->context;
if (!mos7840_port) {
dbg("%s", "NULL mos7840_port pointer");
- mos7840_port->read_urb_busy = false;
return;
}