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Commit 74c900f5 authored by Daeseok Youn's avatar Daeseok Youn Committed by Greg Kroah-Hartman
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staging: dgnc: remove useless variable 'ch_intr_modem' 



The 'ch_intr_modem' variable was used only for increasing.
So the 'ch_intr_modem' variable is not useful for this driver.

Signed-off-by: default avatarDaeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 572f4f61

drivers/staging/dgnc/dgnc_cls.c

+0 −9
Original line number Diff line number Diff line
@@ -599,15 +599,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port) 
			cls_copy_data_from_queue_to_uart(ch);

		}



		/* CTS/RTS change of state */

		if (isr & UART_IIR_CTSRTS) {

			ch->ch_intr_modem++;

			/*

			 * Don't need to do anything, the cls_parse_modem

			 * below will grab the updated modem signals.

			 */

		}



		/* Parse any modem signal changes */

		cls_parse_modem(ch, readb(&ch->ch_cls_uart->msr));

	}

drivers/staging/dgnc/dgnc_driver.h

+0 −1
Original line number Diff line number Diff line
@@ -377,7 +377,6 @@ struct channel_t { 
	ulong		ch_xon_sends;	/* Count of xons transmitted */

	ulong		ch_xoff_sends;	/* Count of xoffs transmitted */



	ulong		ch_intr_modem;	/* Count of interrupts */

	ulong		ch_intr_tx;	/* Count of interrupts */

	ulong		ch_intr_rx;	/* Count of interrupts */

drivers/staging/dgnc/dgnc_neo.c

+0 −1
Original line number Diff line number Diff line
@@ -450,7 +450,6 @@ 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.

			 */

			ch->ch_intr_modem++;

			cause = readb(&ch->ch_neo_uart->mcr);

			/* Which pin is doing auto flow? RTS or DTR? */

			if ((cause & 0x4) == 0) {