From 74c900f5e99e2af69e71e4527088a204ad9dd6e4 Mon Sep 17 00:00:00 2001 From: Daeseok Youn Date: Wed, 6 Jul 2016 15:18:56 +0900 Subject: [PATCH] staging: dgnc: remove useless variable 'ch_intr_modem' The 'ch_intr_modem' variable was used only for increasing. So the 'ch_intr_modem' variable is not useful for this driver. Signed-off-by: Daeseok Youn Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgnc/dgnc_cls.c | 9 --------- drivers/staging/dgnc/dgnc_driver.h | 1 - drivers/staging/dgnc/dgnc_neo.c | 1 - 3 files changed, 11 deletions(-) diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c index 31fcf04..b9955be 100644 --- a/drivers/staging/dgnc/dgnc_cls.c +++ b/drivers/staging/dgnc/dgnc_cls.c @@ -599,15 +599,6 @@ static inline void cls_parse_isr(struct dgnc_board *brd, uint port) cls_copy_data_from_queue_to_uart(ch); } - /* CTS/RTS change of state */ - if (isr & UART_IIR_CTSRTS) { - ch->ch_intr_modem++; - /* - * Don't need to do anything, the cls_parse_modem - * below will grab the updated modem signals. - */ - } - /* Parse any modem signal changes */ cls_parse_modem(ch, readb(&ch->ch_cls_uart->msr)); } diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h index 914130d..10633880 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_modem; /* Count of interrupts */ ulong ch_intr_tx; /* Count of interrupts */ ulong ch_intr_rx; /* Count of interrupts */ diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c index f99c0db..9b3264c 100644 --- a/drivers/staging/dgnc/dgnc_neo.c +++ b/drivers/staging/dgnc/dgnc_neo.c @@ -450,7 +450,6 @@ static inline void neo_parse_isr(struct dgnc_board *brd, uint port) * If we get here, this means the hardware is doing auto flow control. * Check to see whether RTS/DTR or CTS/DSR caused this interrupt. */ - ch->ch_intr_modem++; cause = readb(&ch->ch_neo_uart->mcr); /* Which pin is doing auto flow? RTS or DTR? */ if ((cause & 0x4) == 0) { -- 2.7.4