From 4875bb884e761acbd141785b44dbbd715bd71195 Mon Sep 17 00:00:00 2001 From: Daeseok Youn Date: Wed, 6 Jul 2016 15:19:58 +0900 Subject: [PATCH] staging: dgnc: remove useless variable 'ch_intr_rx' 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 Signed-off-by: Greg Kroah-Hartman --- 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 35b59ca27759..4e1e0dc67f41 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -584,7 +584,6 @@ 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 8bdf556e8df9..3092abea6372 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// 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 574a22767100..5ef5b3e45387 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); -- 2.20.1