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| author | Daeseok Youn <daeseok.youn@gmail.com> | 2016-07-06 06:17:53 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-15 17:13:26 (GMT) |
| commit | 262c5e1bab2a8bedb9e5148b17cf6de7674934cf (patch) | |
| tree | f1e73932b8e97b1b0a12a0a27d2fe6fb9be7c1fa /drivers/staging/dgnc | |
| parent | ca0d0b889c055669e4efe4b8bb656d48b7e40944 (diff) | |
| download | linux-262c5e1bab2a8bedb9e5148b17cf6de7674934cf.tar.xz | |
staging: dgnc: remove useless variable 'intr_tx'
The 'intr_tx' variable was used only for increasing.
So the 'intr_tx' 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>
Diffstat (limited to 'drivers/staging/dgnc')
| -rw-r--r-- | drivers/staging/dgnc/dgnc_cls.c | 1 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_driver.h | 1 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_neo.c | 3 |
3 files changed, 0 insertions, 5 deletions
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c index 449a6bb..088b546 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -595,7 +595,6 @@ 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); - brd->intr_tx++; 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 2caeff7..a8d823b 100644 --- a/drivers/staging/dgnc/dgnc_driver.h +++ b/drivers/staging/dgnc/dgnc_driver.h @@ -183,7 +183,6 @@ struct dgnc_board { uint nasync; /* Number of ports on card */ uint irq; /* Interrupt request number */ - ulong intr_tx; /* Count of interrupts */ ulong intr_rx; /* Count of interrupts */ ulong membase; /* Start of base memory of the card */ diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c index a3e100b..5f3eacdf 100644 --- a/drivers/staging/dgnc/dgnc_neo.c +++ b/drivers/staging/dgnc/dgnc_neo.c @@ -410,7 +410,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port) } if (isr & UART_IIR_THRI) { - brd->intr_tx++; ch->ch_intr_tx++; /* Transfer data (if any) from Write Queue -> UART. */ spin_lock_irqsave(&ch->ch_lock, flags); @@ -550,7 +549,6 @@ static inline void neo_parse_lsr(struct dgnc_board *brd, uint port) } if (linestatus & UART_LSR_THRE) { - brd->intr_tx++; ch->ch_intr_tx++; spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); @@ -559,7 +557,6 @@ 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) { - brd->intr_tx++; ch->ch_intr_tx++; spin_lock_irqsave(&ch->ch_lock, flags); ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM); |