diff options
Diffstat (limited to 'drivers/usb/serial/pl2303.c')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 3b10018d89a3..7151659367a0 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -149,7 +149,7 @@ static int pl2303_vendor_read(__u16 value, __u16 index, int res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE, value, index, buf, 1, 100); - dev_dbg(&serial->dev->dev, "0x%x:0x%x:0x%x:0x%x %d - %x\n", + dev_dbg(&serial->interface->dev, "0x%x:0x%x:0x%x:0x%x %d - %x\n", VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, value, index, res, buf[0]); return res; @@ -161,7 +161,7 @@ static int pl2303_vendor_write(__u16 value, __u16 index, int res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE, value, index, NULL, 0, 100); - dev_dbg(&serial->dev->dev, "0x%x:0x%x:0x%x:0x%x %d\n", + dev_dbg(&serial->interface->dev, "0x%x:0x%x:0x%x:0x%x %d\n", VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, value, index, res); return res; @@ -248,14 +248,15 @@ static int pl2303_port_remove(struct usb_serial_port *port) return 0; } -static int set_control_lines(struct usb_device *dev, u8 value) +static int pl2303_set_control_lines(struct usb_serial_port *port, u8 value) { + struct usb_device *dev = port->serial->dev; int retval; retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), SET_CONTROL_REQUEST, SET_CONTROL_REQUEST_TYPE, value, 0, NULL, 0, 100); - dev_dbg(&dev->dev, "%s - value = %d, retval = %d\n", __func__, + dev_dbg(&port->dev, "%s - value = %d, retval = %d\n", __func__, value, retval); return retval; } @@ -437,7 +438,7 @@ static void pl2303_set_termios(struct tty_struct *tty, if (control != priv->line_control) { control = priv->line_control; spin_unlock_irqrestore(&priv->lock, flags); - set_control_lines(serial->dev, control); + pl2303_set_control_lines(port, control); } else { spin_unlock_irqrestore(&priv->lock, flags); } @@ -480,7 +481,7 @@ static void pl2303_dtr_rts(struct usb_serial_port *port, int on) priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS); control = priv->line_control; spin_unlock_irqrestore(&priv->lock, flags); - set_control_lines(port->serial->dev, control); + pl2303_set_control_lines(port, control); } static void pl2303_close(struct usb_serial_port *port) @@ -530,7 +531,6 @@ static int pl2303_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { struct usb_serial_port *port = tty->driver_data; - struct usb_serial *serial = port->serial; struct pl2303_private *priv = usb_get_serial_port_data(port); unsigned long flags; u8 control; @@ -548,14 +548,11 @@ static int pl2303_tiocmset(struct tty_struct *tty, control = priv->line_control; spin_unlock_irqrestore(&priv->lock, flags); - mutex_lock(&serial->disc_mutex); - if (!serial->disconnected) - ret = set_control_lines(serial->dev, control); - else - ret = -ENODEV; - mutex_unlock(&serial->disc_mutex); + ret = pl2303_set_control_lines(port, control); + if (ret) + return usb_translate_errors(ret); - return ret; + return 0; } static int pl2303_tiocmget(struct tty_struct *tty) @@ -592,8 +589,9 @@ static int pl2303_carrier_raised(struct usb_serial_port *port) return 0; } -static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) +static int pl2303_tiocmiwait(struct tty_struct *tty, unsigned long arg) { + struct usb_serial_port *port = tty->driver_data; struct pl2303_private *priv = usb_get_serial_port_data(port); unsigned long flags; unsigned int prevstatus; @@ -605,7 +603,7 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - interruptible_sleep_on(&port->delta_msr_wait); + interruptible_sleep_on(&port->port.delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; @@ -651,10 +649,6 @@ static int pl2303_ioctl(struct tty_struct *tty, return -EFAULT; return 0; - - case TIOCMIWAIT: - dev_dbg(&port->dev, "%s TIOCMIWAIT\n", __func__); - return wait_modem_info(port, arg); default: dev_dbg(&port->dev, "%s not supported = 0x%04x\n", __func__, cmd); break; @@ -720,7 +714,7 @@ static void pl2303_update_line_status(struct usb_serial_port *port, spin_unlock_irqrestore(&priv->lock, flags); if (priv->line_status & UART_BREAK_ERROR) usb_serial_handle_break(port); - wake_up_interruptible(&port->delta_msr_wait); + wake_up_interruptible(&port->port.delta_msr_wait); tty = tty_port_tty_get(&port->port); if (!tty) @@ -784,7 +778,7 @@ static void pl2303_process_read_urb(struct urb *urb) line_status = priv->line_status; priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); - wake_up_interruptible(&port->delta_msr_wait); + wake_up_interruptible(&port->port.delta_msr_wait); if (!urb->actual_length) return; @@ -835,6 +829,7 @@ static struct usb_serial_driver pl2303_device = { .set_termios = pl2303_set_termios, .tiocmget = pl2303_tiocmget, .tiocmset = pl2303_tiocmset, + .tiocmiwait = pl2303_tiocmiwait, .process_read_urb = pl2303_process_read_urb, .read_int_callback = pl2303_read_int_callback, .attach = pl2303_startup, |