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| author | Daeseok Youn <daeseok.youn@gmail.com> | 2016-07-06 15:18:56 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-15 19:13:26 +0200 |
| commit | 74c900f5e99e2af69e71e4527088a204ad9dd6e4 (patch) | |
| tree | 7092077faf956ebc791e18ddebb78ac78d083b32 /drivers/staging/dgnc | |
| parent | 572f4f61cd56a192dca8415f84d1abd6b10e2b26 (diff) | |
| download | linux-74c900f5e99e2af69e71e4527088a204ad9dd6e4.tar.bz2 | |
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 <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 | 9 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_driver.h | 1 | ||||
| -rw-r--r-- | drivers/staging/dgnc/dgnc_neo.c | 1 |
3 files changed, 0 insertions, 11 deletions
diff --git a/drivers/staging/dgnc/dgnc_cls.c b/drivers/staging/dgnc/dgnc_cls.c index 31fcf04179f3..b9955be84062 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 914130dbf05f..10633880fc22 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 f99c0db0b6d6..9b3264c2f16e 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) { |