diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 45 |
1 files changed, 14 insertions, 31 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 01efe6d..6e437f9 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -982,7 +982,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, static __u32 get_ftdi_divisor(struct tty_struct *tty, struct usb_serial_port *port) -{ /* get_ftdi_divisor */ +{ struct ftdi_private *priv = usb_get_serial_port_data(port); __u32 div_value = 0; int div_okay = 1; @@ -1206,12 +1206,11 @@ static int get_serial_info(struct usb_serial_port *port, if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; return 0; -} /* get_serial_info */ - +} static int set_serial_info(struct tty_struct *tty, struct usb_serial_port *port, struct serial_struct __user *newinfo) -{ /* set_serial_info */ +{ struct ftdi_private *priv = usb_get_serial_port_data(port); struct serial_struct new_serial; struct ftdi_private old_priv; @@ -1274,8 +1273,7 @@ check_and_exit: else mutex_unlock(&priv->cfg_lock); return 0; - -} /* set_serial_info */ +} /* Determine type of FTDI chip based on USB config and descriptor. */ @@ -1577,7 +1575,7 @@ static void ftdi_USB_UIRT_setup(struct ftdi_private *priv) priv->flags |= ASYNC_SPD_CUST; priv->custom_divisor = 77; priv->force_baud = 38400; -} /* ftdi_USB_UIRT_setup */ +} /* Setup for the HE-TIRA1 device, which requires hardwired * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */ @@ -1590,7 +1588,7 @@ static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) priv->custom_divisor = 240; priv->force_baud = 38400; priv->force_rtscts = 1; -} /* ftdi_HE_TIRA1_setup */ +} /* * Module parameter to control latency timer for NDI FTDI-based USB devices. @@ -1684,7 +1682,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port) } static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) -{ /* ftdi_open */ +{ struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); int result; @@ -1714,8 +1712,7 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) kref_get(&priv->kref); return result; -} /* ftdi_open */ - +} static void ftdi_dtr_rts(struct usb_serial_port *port, int on) { @@ -1745,12 +1742,9 @@ static void ftdi_dtr_rts(struct usb_serial_port *port, int on) * usbserial:__serial_close only calls ftdi_close if the point is open * * This only gets called when it is the last close - * - * */ - static void ftdi_close(struct usb_serial_port *port) -{ /* ftdi_close */ +{ struct ftdi_private *priv = usb_get_serial_port_data(port); dbg("%s", __func__); @@ -1758,9 +1752,7 @@ static void ftdi_close(struct usb_serial_port *port) /* shutdown our bulk read */ usb_kill_urb(port->read_urb); kref_put(&priv->kref, ftdi_sio_priv_release); -} /* ftdi_close */ - - +} /* The SIO requires the first byte to have: * B0 1 @@ -1771,7 +1763,7 @@ static void ftdi_close(struct usb_serial_port *port) */ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) -{ /* ftdi_write */ +{ struct ftdi_private *priv = usb_get_serial_port_data(port); struct urb *urb; unsigned char *buffer; @@ -1887,11 +1879,9 @@ error_no_buffer: priv->tx_outstanding_urbs--; spin_unlock_irqrestore(&priv->tx_lock, flags); return count; -} /* ftdi_write */ - +} /* This function may get called when the device is closed */ - static void ftdi_write_bulk_callback(struct urb *urb) { unsigned long flags; @@ -1928,8 +1918,7 @@ static void ftdi_write_bulk_callback(struct urb *urb) } usb_serial_port_softint(port); -} /* ftdi_write_bulk_callback */ - +} static int ftdi_write_room(struct tty_struct *tty) { @@ -2095,15 +2084,13 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state) } - /* old_termios contains the original termios settings and tty->termios contains * the new setting to be used * WARNING: set_termios calls this with old_termios in kernel space */ - static void ftdi_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios) -{ /* ftdi_termios */ +{ struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); struct ktermios *termios = tty->termios; @@ -2331,7 +2318,6 @@ static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, return update_mctrl(port, set, clear); } - static int ftdi_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { @@ -2430,15 +2416,12 @@ failed_sio_register: return retval; } - static void __exit ftdi_exit(void) { - dbg("%s", __func__); usb_deregister(&ftdi_driver); usb_serial_deregister(&ftdi_sio_device); - } |