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Staging: quatech_usb2: remove unused qt2_box_flush function

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In today linux-next I got a compilation warning:

drivers/staging/quatech_usb2/quatech_usb2.c:1852: warning:
‘qt2_box_flush’ defined but not used

Signed-off-by: Javier Martinez Canillas <martinez.javier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Javier Martinez Canillas 2010-07-30 18:51:51 -04:00 committed by Greg Kroah-Hartman
parent 9092de6df3
commit 3457912e0e
1 changed files with 1 additions and 23 deletions
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24
drivers/staging/quatech_usb2/quatech_usb2.c
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@ -258,8 +258,6 @@ static int qt2_box_get_register(struct usb_serial *serial,
static int qt2_box_set_register(struct usb_serial *serial,
unsigned short Uart_Number, unsigned short Register_Num,
unsigned short Value);
static int qt2_box_flush(struct usb_serial *serial, unsigned char uart_number,
unsigned short rcv_or_xmit);
static int qt2_boxsetuart(struct usb_serial *serial, unsigned short Uart_Number,
unsigned short default_divisor, unsigned char default_LCR);
static int qt2_boxsethw_flowctl(struct usb_serial *serial,
@ -645,9 +643,6 @@ static void qt2_close(struct usb_serial_port *port)
/* get the device private data */
port_extra = qt2_get_port_private(port); /* port private data */
/* we don't need to force flush though the hardware, so we skip using
* qt2_box_flush() here */
/* we can now (and only now) stop reading data */
port_extra->close_pending = true;
dbg("%s(): port_extra->close_pending = true", __func__);
@ -1841,24 +1836,6 @@ static int qt2_box_set_register(struct usb_serial *serial,
return result;
}
/** @brief Request the Tx or Rx buffers on the USB side be flushed
*
* Tx flush: When all the currently buffered data has been sent, send an escape
* sequence back up the data stream to us
* Rx flush: add a flag in the data stream now so we know when it's made it's
* way up to us.
*/
static int qt2_box_flush(struct usb_serial *serial, unsigned char uart_number,
unsigned short rcv_or_xmit)
{
int result;
result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
QT2_FLUSH_DEVICE, 0x40, rcv_or_xmit, uart_number, NULL, 0,
300);
return result;
}
/** qt2_boxsetuart - Issue a SET_UART vendor-spcific request on the default
* control pipe. If successful sets baud rate divisor and LCR value.
*/
@ -1873,6 +1850,7 @@ static int qt2_boxsetuart(struct usb_serial *serial, unsigned short Uart_Number,
QT2_GET_SET_UART, 0x40, default_divisor, UartNumandLCR,
NULL, 0, 300);
}
/** qt2_boxsethw_flowctl - Turn hardware (RTS/CTS) flow control on and off for
* a hardware UART.
*/