diff options
Diffstat (limited to 'drivers/usb/serial/ir-usb.c')
| -rw-r--r-- | drivers/usb/serial/ir-usb.c | 81 |
1 files changed, 33 insertions, 48 deletions
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 0063c11c8081..e59155c6607d 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -85,15 +85,17 @@ static int buffer_size; /* if overridden by the user, then use the specified number of XBOFs */ static int xbof = -1; -static int ir_startup(struct usb_serial *serial); -static int ir_open(struct usb_serial_port *port, struct file *filep); -static void ir_close(struct usb_serial_port *port, struct file *filep); -static int ir_write(struct usb_serial_port *port, - const unsigned char *buf, int count); -static void ir_write_bulk_callback(struct urb *urb); -static void ir_read_bulk_callback(struct urb *urb); -static void ir_set_termios(struct usb_serial_port *port, - struct ktermios *old_termios); +static int ir_startup (struct usb_serial *serial); +static int ir_open(struct tty_struct *tty, struct usb_serial_port *port, + struct file *filep); +static void ir_close(struct tty_struct *tty, struct usb_serial_port *port, + struct file *filep); +static int ir_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count); +static void ir_write_bulk_callback (struct urb *urb); +static void ir_read_bulk_callback (struct urb *urb); +static void ir_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios); /* Not that this lot means you can only have one per system */ static u8 ir_baud; @@ -295,7 +297,8 @@ static int ir_startup(struct usb_serial *serial) return 0; } -static int ir_open(struct usb_serial_port *port, struct file *filp) +static int ir_open(struct tty_struct *tty, + struct usb_serial_port *port, struct file *filp) { char *buffer; int result = 0; @@ -343,7 +346,8 @@ static int ir_open(struct usb_serial_port *port, struct file *filp) return result; } -static void ir_close(struct usb_serial_port *port, struct file *filp) +static void ir_close(struct tty_struct *tty, + struct usb_serial_port *port, struct file * filp) { dbg("%s - port %d", __func__, port->number); @@ -351,8 +355,8 @@ static void ir_close(struct usb_serial_port *port, struct file *filp) usb_kill_urb(port->read_urb); } -static int ir_write(struct usb_serial_port *port, - const unsigned char *buf, int count) +static int ir_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count) { unsigned char *transfer_buffer; int result; @@ -360,11 +364,6 @@ static int ir_write(struct usb_serial_port *port, dbg("%s - port = %d, count = %d", __func__, port->number, count); - if (!port->tty) { - dev_err(&port->dev, "%s - no tty???\n", __func__); - return 0; - } - if (count == 0) return 0; @@ -450,14 +449,13 @@ static void ir_read_bulk_callback(struct urb *urb) dbg("%s - port %d", __func__, port->number); - if (!port->open_count) { + if (!port->port.count) { dbg("%s - port closed.", __func__); return; } switch (status) { case 0: /* Successful */ - /* * The first byte of the packet we get from the device * contains a busy indicator and baud rate change. @@ -465,19 +463,11 @@ static void ir_read_bulk_callback(struct urb *urb) */ if ((*data & 0x0f) > 0) ir_baud = *data & 0x0f; - - usb_serial_debug_data( - debug, - &port->dev, - __func__, - urb->actual_length, - data); - - tty = port->tty; - + usb_serial_debug_data(debug, &port->dev, __func__, + urb->actual_length, data); + tty = port->port.tty; if (tty_buffer_request_room(tty, urb->actual_length - 1)) { - tty_insert_flip_string(tty, data + 1, - urb->actual_length - 1); + tty_insert_flip_string(tty, data+1, urb->actual_length - 1); tty_flip_buffer_push(tty); } @@ -488,11 +478,10 @@ static void ir_read_bulk_callback(struct urb *urb) */ case -EPROTO: /* taking inspiration from pl2303.c */ - - /* Continue trying to always read */ + /* Continue trying to always read */ usb_fill_bulk_urb( port->read_urb, - port->serial->dev, + port->serial->dev, usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress), port->read_urb->transfer_buffer, @@ -502,23 +491,19 @@ static void ir_read_bulk_callback(struct urb *urb) result = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (result) - dev_err(&port->dev, - "%s - failed resubmitting read urb, error %d\n", + dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", __func__, result); - break; - + break ; default: dbg("%s - nonzero read bulk status received: %d", - __func__, - status); - break; + __func__, status); + break ; } - return; } -static void ir_set_termios(struct usb_serial_port *port, - struct ktermios *old_termios) +static void ir_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) { unsigned char *transfer_buffer; int result; @@ -527,7 +512,7 @@ static void ir_set_termios(struct usb_serial_port *port, dbg("%s - port %d", __func__, port->number); - baud = tty_get_baud_rate(port->tty); + baud = tty_get_baud_rate(tty); /* * FIXME, we should compare the baud request against the @@ -600,8 +585,8 @@ static void ir_set_termios(struct usb_serial_port *port, __func__, result); /* Only speed changes are supported */ - tty_termios_copy_hw(port->tty->termios, old_termios); - tty_encode_baud_rate(port->tty, baud, baud); + tty_termios_copy_hw(tty->termios, old_termios); + tty_encode_baud_rate(tty, baud, baud); } static int __init ir_init(void) |