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| author |   Jiri Slaby <jirislaby@gmail.com> | 2009-09-19 13:13:13 -0700 |
|---|---|---|
| committer |   Live-CD User <linux@linux.site> | 2009-09-19 13:13:13 -0700 |
| commit | 174e6fe01e7881caaa350b5e98e4c6189b6cb593 (patch) | |
| tree | 23748eaa318e8c7e224e10a566673bf8312963c0 /drivers/char/cyclades.c | |
| parent | cyclades: avoid addresses recomputation (diff) | |
| download | linux-dev-174e6fe01e7881caaa350b5e98e4c6189b6cb593.tar.xz linux-dev-174e6fe01e7881caaa350b5e98e4c6189b6cb593.zip | |
cyclades: switch to tty_port_hangup
Do not duplicate common tty_port_hangup code. Use it instead.
Also do not unset ASYNC_NORMAL_ACTIVE and wake up from the
tty_hangup() caller. It makes no sense since we don't check that
flag in sleepers. tty_port_hangup() performed later will do the
right job.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/char/cyclades.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 7a7092ae5d39..226175d605c3 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -1290,11 +1290,10 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip, } if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) { - if (!(mdm_status & CyDCD)) { + if (mdm_status & CyDCD) + wake_up_interruptible(&info->port.open_wait); + else tty_hangup(tty); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - } - wake_up_interruptible(&info->port.open_wait); } if ((mdm_change & CyCTS) && (info->port.flags & ASYNC_CTS_FLOW)) { if (tty->hw_stopped) { @@ -1655,13 +1654,10 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) if (info->port.flags & ASYNC_CHECK_CD) { u32 dcd = fw_ver > 241 ? param : readl(&info->u.cyz.ch_ctrl->rs_status); - if (dcd & C_RS_DCD) { + if (dcd & C_RS_DCD) wake_up_interruptible(&info->port.open_wait); - } else { + else tty_hangup(tty); - wake_up_interruptible(&info->port.open_wait); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - } } break; case C_CM_MCTS: @@ -4009,14 +4005,7 @@ static void cy_hangup(struct tty_struct *tty) cy_flush_buffer(tty); cy_shutdown(info, tty); - info->port.count = 0; -#ifdef CY_DEBUG_COUNT - printk(KERN_DEBUG "cyc:cy_hangup (%d): setting count to 0\n", - current->pid); -#endif - tty_port_tty_set(&info->port, NULL); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - wake_up_interruptible(&info->port.open_wait); + tty_port_hangup(&info->port); } /* cy_hangup */ static int cyy_carrier_raised(struct tty_port *port) |