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authorDaeseok Youn <daeseok.youn@gmail.com>2016-07-06 15:19:58 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-15 19:13:26 +0200
commit4875bb884e761acbd141785b44dbbd715bd71195 (patch)
treef0e68e22614f4b30d10adcb58c15944aa5938380 /drivers/staging/dgnc
parent2c7d924e28c24cfced3528c344faedfba8aaee56 (diff)
downloadlinux-4875bb884e761acbd141785b44dbbd715bd71195.tar.bz2
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 <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.c1
-rw-r--r--drivers/staging/dgnc/dgnc_driver.h2
-rw-r--r--drivers/staging/dgnc/dgnc_neo.c2
3 files changed, 0 insertions, 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/<board>/<channel> 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);