diff options
Diffstat (limited to 'drivers/char/cyclades.c')
| -rw-r--r-- | drivers/char/cyclades.c | 45 |
1 files changed, 14 insertions, 31 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index cf2874a89c8..f518e0b5b47 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -2057,6 +2057,8 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty) channel = info->line - card->first_line; if (!cy_is_Z(card)) { + u32 cflags; + /* baud rate */ baud = tty_get_baud_rate(tty); if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) == @@ -2198,37 +2200,18 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty) (info->default_timeout ? info->default_timeout : 0x02)); /* 10ms rx timeout */ - if (C_CLOCAL(tty)) { - /* without modem intr */ - cyy_writeb(info, CySRER, - cyy_readb(info, CySRER) | CyMdmCh); - /* act on 1->0 modem transitions */ - if ((cflag & CRTSCTS) && info->rflow) { - cyy_writeb(info, CyMCOR1, - (CyCTS | rflow_thr[i])); - } else { - cyy_writeb(info, CyMCOR1, - CyCTS); - } - /* act on 0->1 modem transitions */ - cyy_writeb(info, CyMCOR2, CyCTS); - } else { - /* without modem intr */ - cyy_writeb(info, CySRER, - cyy_readb(info, CySRER) | CyMdmCh); - /* act on 1->0 modem transitions */ - if ((cflag & CRTSCTS) && info->rflow) { - cyy_writeb(info, CyMCOR1, - (CyDSR | CyCTS | CyRI | CyDCD | - rflow_thr[i])); - } else { - cyy_writeb(info, CyMCOR1, - CyDSR | CyCTS | CyRI | CyDCD); - } - /* act on 0->1 modem transitions */ - cyy_writeb(info, CyMCOR2, - CyDSR | CyCTS | CyRI | CyDCD); - } + cflags = CyCTS; + if (!C_CLOCAL(tty)) + cflags |= CyDSR | CyRI | CyDCD; + /* without modem intr */ + cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyMdmCh); + /* act on 1->0 modem transitions */ + if ((cflag & CRTSCTS) && info->rflow) + cyy_writeb(info, CyMCOR1, cflags | rflow_thr[i]); + else + cyy_writeb(info, CyMCOR1, cflags); + /* act on 0->1 modem transitions */ + cyy_writeb(info, CyMCOR2, cflags); if (i == 0) /* baud rate is zero, turn off line */ cyy_change_rts_dtr(info, 0, TIOCM_DTR); |