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staging: dgnc: remove useless variable 'intr_rx'

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The 'intr_rx' variable was used only for increasing.
So the 'intr_rx' 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>
This commit is contained in:
Daeseok Youn 2016-07-06 15:18:25 +09:00 committed by Greg Kroah-Hartman
parent 262c5e1bab
commit 572f4f61cd
3 changed files with 0 additions and 4 deletions
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1
drivers/staging/dgnc/dgnc_cls.c
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@ -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 */
brd->intr_rx++;
ch->ch_intr_rx++;
cls_copy_data_from_uart_to_queue(ch);
dgnc_check_queue_flow_control(ch);

1
drivers/staging/dgnc/dgnc_driver.h
View file

@ -183,7 +183,6 @@ struct dgnc_board {
uint nasync; /* Number of ports on card */
uint irq; /* Interrupt request number */
ulong intr_rx; /* Count of interrupts */
ulong membase; /* Start of base memory of the card */
ulong membase_end; /* End of base memory of the card */

2
drivers/staging/dgnc/dgnc_neo.c
View file

@ -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 */
brd->intr_rx++;
ch->ch_intr_rx++;
neo_copy_data_from_uart_to_queue(ch);
@ -515,7 +514,6 @@ 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) {
brd->intr_rx++;
ch->ch_intr_rx++;
/* Read data from uart -> queue */
neo_copy_data_from_uart_to_queue(ch);