staging: dgnc: remove unused variable 'intr_modem'
authorDaeseok Youn <daeseok.youn@gmail.com>
Wed, 6 Jul 2016 06:17:18 +0000 (15:17 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 15 Aug 2016 17:13:25 +0000 (19:13 +0200)
The 'intr_modem' variable was used only for increasing.
So the 'intr_modem' variable is not useful for this driver.

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/dgnc/dgnc_cls.c
drivers/staging/dgnc/dgnc_driver.h
drivers/staging/dgnc/dgnc_neo.c

index ac0899a..449a6bb 100644 (file)
@@ -603,7 +603,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port)
 
                /* CTS/RTS change of state */
                if (isr & UART_IIR_CTSRTS) {
-                       brd->intr_modem++;
                        ch->ch_intr_modem++;
                        /*
                         * Don't need to do anything, the cls_parse_modem
index 7ac33ed..2caeff7 100644 (file)
@@ -183,7 +183,6 @@ struct dgnc_board {
        uint            nasync;         /* Number of ports on card */
 
        uint            irq;            /* Interrupt request number */
-       ulong           intr_modem;     /* Count of interrupts */
        ulong           intr_tx;        /* Count of interrupts */
        ulong           intr_rx;        /* Count of interrupts */
 
index 3f8bbb3..a3e100b 100644 (file)
@@ -452,7 +452,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
                         * If we get here, this means the hardware is doing auto flow control.
                         * Check to see whether RTS/DTR or CTS/DSR caused this interrupt.
                         */
-                       brd->intr_modem++;
                        ch->ch_intr_modem++;
                        cause = readb(&ch->ch_neo_uart->mcr);
                        /* Which pin is doing auto flow? RTS or DTR? */