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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-02-20 21:40:34 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2008-04-24 21:16:39 -0700
commita40d8540f4b7874ef674428cf757e8f466d271ca (patch)
tree2d5e9c01defd2a930767298bd75040e10b284d5e
parent7b1fc8bc6d6881ff7f8876cbe665b3ad5271bc03 (diff)
USB: kobil_sct: Get rid of unneeded priv->line_state
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/usb/serial/kobil_sct.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 17b3baead4ad..03cb5dd8cbe3 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