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@xxxxxxxxx>
---
drivers/staging/dgnc/dgnc_cls.c | 1 -
drivers/staging/dgnc/dgnc_driver.h | 2 --
drivers/staging/dgnc/dgnc_neo.c | 2 --
3 files changed, 5 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index 695f8ce..fb74968 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -387,7 +387,6 @@ 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);
}
diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h
index 8bdf556..3092abe 100644
--- a/drivers/staging/dgnc/dgnc_driver.h
+++ b/drivers/staging/dgnc/dgnc_driver.h
@@ -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;
diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index 574a227..5ef5b3e 100644
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -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);
--
1.9.1
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