The 'ch_intr_tx' variable was used only for increasing.
So the 'ch_intr_tx' 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 | 1 -
drivers/staging/dgnc/dgnc_neo.c | 3 ---
3 files changed, 5 deletions(-)
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c
index d7ff5fa..695f8ce 100644
--- a/drivers/staging/dgnc/dgnc_cls.c
+++ b/drivers/staging/dgnc/dgnc_cls.c
@@ -397,7 +397,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port)
/* Transfer data (if any) from Write Queue -> UART. */
spin_lock_irqsave(&ch->ch_lock, flags);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
- ch->ch_intr_tx++;
spin_unlock_irqrestore(&ch->ch_lock, flags);
cls_copy_data_from_queue_to_uart(ch);
}
diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h
index 1063388..8bdf556 100644
--- a/drivers/staging/dgnc/dgnc_driver.h
+++ b/drivers/staging/dgnc/dgnc_driver.h
@@ -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_tx; /* Count of interrupts */
ulong ch_intr_rx; /* Count of interrupts */
/* /proc/<board>/<channel> entries */
diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c
index 9b3264c..574a227 100644
--- a/drivers/staging/dgnc/dgnc_neo.c
+++ b/drivers/staging/dgnc/dgnc_neo.c
@@ -409,7 +409,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port)
}
if (isr & UART_IIR_THRI) {
- ch->ch_intr_tx++;
/* Transfer data (if any) from Write Queue -> UART. */
spin_lock_irqsave(&ch->ch_lock, flags);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
@@ -546,7 +545,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port)
}
if (linestatus & UART_LSR_THRE) {
- ch->ch_intr_tx++;
spin_lock_irqsave(&ch->ch_lock, flags);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
spin_unlock_irqrestore(&ch->ch_lock, flags);
@@ -554,7 +552,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port)
/* Transfer data (if any) from Write Queue -> UART. */
neo_copy_data_from_queue_to_uart(ch);
} else if (linestatus & UART_17158_TX_AND_FIFO_CLR) {
- ch->ch_intr_tx++;
spin_lock_irqsave(&ch->ch_lock, flags);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
spin_unlock_irqrestore(&ch->ch_lock, flags);
--
1.9.1
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