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Commit 4875bb88 authored by Daeseok Youn's avatar Daeseok Youn Committed by Greg Kroah-Hartman
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staging: dgnc: remove useless variable 'ch_intr_rx' 



The 'ch_intr_rx' variable was used only for increasing.
So the 'ch_intr_rx' 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 2c7d924e

drivers/staging/dgnc/dgnc_cls.c

+0 −1
Original line number Diff line number Diff line
@@ -584,7 +584,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port) 
		/* Receive Interrupt pending */

		if (isr & (UART_IIR_RDI | UART_IIR_RDI_TIMEOUT)) {

			/* Read data from uart -> queue */

			ch->ch_intr_rx++;

			cls_copy_data_from_uart_to_queue(ch);

			dgnc_check_queue_flow_control(ch);

		}

drivers/staging/dgnc/dgnc_driver.h

+0 −2
Original line number Diff line number Diff line
@@ -377,8 +377,6 @@ struct channel_t { 
	ulong		ch_xon_sends;	/* Count of xons transmitted */

	ulong		ch_xoff_sends;	/* Count of xoffs transmitted */



	ulong		ch_intr_rx;	/* Count of interrupts */



	/* /proc/<board>/<channel> entries */

	struct proc_dir_entry *proc_entry_pointer;

	struct dgnc_proc_entry *dgnc_channel_table;

drivers/staging/dgnc/dgnc_neo.c

+0 −2
Original line number Diff line number Diff line
@@ -399,7 +399,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port) 


		if (isr & (UART_17158_IIR_RDI_TIMEOUT | UART_IIR_RDI)) {

			/* Read data from uart -> queue */

			ch->ch_intr_rx++;

			neo_copy_data_from_uart_to_queue(ch);



			/* Call our tty layer to enforce queue flow control if needed. */
@@ -512,7 +511,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port) 
	ch->ch_cached_lsr |= linestatus;



	if (ch->ch_cached_lsr & UART_LSR_DR) {

		ch->ch_intr_rx++;

		/* Read data from uart -> queue */

		neo_copy_data_from_uart_to_queue(ch);

		spin_lock_irqsave(&ch->ch_lock, flags);