staging: dgnc: remove unused variable in dgnc_board

TtyRefCnt was not used anywhere in dgnc.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h
index 3d8e15f..44216ae 100644 (file)
--- a/drivers/staging/dgnc/dgnc_driver.h
+++ b/drivers/staging/dgnc/dgnc_driver.h
@@ -213,8 +213,6 @@ struct dgnc_board {
        uint            dgnc_serial_major;
        uint            dgnc_transparent_print_major;
 
-       uint            TtyRefCnt;
-
        u16             dpatype;        /* The board "type",
                                         * as defined by DPA
                                         */