From 2c7d924e28c24cfced3528c344faedfba8aaee56 Mon Sep 17 00:00:00 2001 From: Daeseok Youn Date: Wed, 6 Jul 2016 15:19:27 +0900 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- 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 b9955be84062..35b59ca27759 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 10633880fc22..8bdf556e8df9 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// entries */ diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c index 9b3264c2f16e..574a22767100 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); -- 2.20.1