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USB: serial: quatech2: drop two stub functions 

Drop two unused stub functions which only served as documentation.

This also avoids a W=1 (-Wunused-but-set-variable) warning.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2020-07-01 18:53:42 +02:00
parent c34a917aef
commit b83076a94d
1 changed files with 1 additions and 17 deletions
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18
drivers/usb/serial/quatech2.c
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@ -480,21 +480,6 @@ static void qt2_process_status(struct usb_serial_port *port, unsigned char *ch)
}
}
/* not needed, kept to document functionality */
static void qt2_process_xmit_empty(struct usb_serial_port *port,
unsigned char *ch)
{
int bytes_written;
bytes_written = (int)(*ch) + (int)(*(ch + 1) << 4);
}
/* not needed, kept to document functionality */
static void qt2_process_flush(struct usb_serial_port *port, unsigned char *ch)
{
return;
}
static void qt2_process_read_urb(struct urb *urb)
{
struct usb_serial *serial;
@ -540,7 +525,7 @@ static void qt2_process_read_urb(struct urb *urb)
__func__);
break;
}
qt2_process_xmit_empty(port, ch + 3);
/* bytes_written = (ch[1] << 4) + ch[0]; */
i += 4;
escapeflag = true;
break;
@ -569,7 +554,6 @@ static void qt2_process_read_urb(struct urb *urb)
break;
case QT2_REC_FLUSH:
case QT2_XMIT_FLUSH:
qt2_process_flush(port, ch + 2);
i += 2;
escapeflag = true;
break;