diff options
| author | Daeseok Youn <daeseok.youn@gmail.com> | 2016-07-06 06:19:27 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-15 17:13:26 (GMT) |
| commit | 2c7d924e28c24cfced3528c344faedfba8aaee56 (patch) | |
| tree | 32f4a9e5c647c7968a6efb32e61ba3b1759cbaf0 /drivers/staging/dgnc | |
| parent | 74c900f5e99e2af69e71e4527088a204ad9dd6e4 (diff) | |
| download | linux-2c7d924e28c24cfced3528c344faedfba8aaee56.tar.xz | |
staging: dgnc: remove useless variable 'ch_intr_tx'
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@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 b9955be..35b59ca 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -594,7 +594,6 @@ 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 10633880..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); |