diff options
Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
| -rw-r--r-- | drivers/usb/serial/kobil_sct.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 17b3baead4a..03cb5dd8cbe 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -139,7 +139,6 @@ struct kobil_private { int filled; // index of the last char in buf int cur_pos; // index of the next char to send in buf __u16 device_type; - int line_state; }; @@ -161,7 +160,6 @@ static int kobil_startup (struct usb_serial *serial) priv->filled = 0; priv->cur_pos = 0; priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); - priv->line_state = 0; switch (priv->device_type){ case KOBIL_ADAPTER_B_PRODUCT_ID: @@ -226,7 +224,6 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp) dbg("%s - port %d", __FUNCTION__, port->number); priv = usb_get_serial_port_data(port); - priv->line_state = 0; // someone sets the dev to 0 if the close method has been called port->interrupt_in_urb->dev = port->serial->dev; @@ -524,14 +521,11 @@ static int kobil_tiocmget(struct usb_serial_port *port, struct file *file) dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", __FUNCTION__, port->number, result, transfer_buffer[0]); - if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) { - priv->line_state |= TIOCM_DSR; - } else { - priv->line_state &= ~TIOCM_DSR; - } - + result = 0; + if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) + result = TIOCM_DSR; kfree(transfer_buffer); - return priv->line_state; + return result; } static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, @@ -544,6 +538,7 @@ static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, unsigned char *transfer_buffer; int transfer_buffer_length = 8; + /* FIXME: locking ? */ priv = usb_get_serial_port_data(port); if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) { // This device doesn't support ioctl calls |