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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: 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 15:19:58 +09:00 committed by Greg Kroah-Hartman
parent 2c7d924e28
commit 4875bb884e
3 changed files with 0 additions and 5 deletions
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1
drivers/staging/dgnc/dgnc_cls.c
View File

@ -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);
}

2
drivers/staging/dgnc/dgnc_driver.h
View File

@ -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;

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 */
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);