diff options
| author | Alan Cox <alan@linux.intel.com> | 2009-09-19 22:13:31 +0200 |
|---|---|---|
| committer | Live-CD User <linux@linux.site> | 2009-09-19 22:13:31 +0200 |
| commit | bdc04e3174e18f475289fa8f4144f66686326b7e (patch) | |
| tree | c0bf03c8d6df1629bfa26b686fe65ffb0c87aeb7 /drivers/char/mxser.c | |
| parent | serial: replace the state mutex with the tty port mutex (diff) | |
| download | linux-bdc04e3174e18f475289fa8f4144f66686326b7e.tar.xz linux-bdc04e3174e18f475289fa8f4144f66686326b7e.zip | |
serial: move delta_msr_wait into the tty_port
This is used by various drivers not just serial and can be extracted
as commonality
Signed-off-by: Alan Cox <alan@linux.intel.com>
Diffstat (limited to 'drivers/char/mxser.c')
| -rw-r--r-- | drivers/char/mxser.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 30544ca5e956..37058ff7da7d 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -258,7 +258,6 @@ struct mxser_port { struct mxser_mon mon_data; spinlock_t slock; - wait_queue_head_t delta_msr_wait; }; struct mxser_board { @@ -818,7 +817,7 @@ static void mxser_check_modem_status(struct tty_struct *tty, if (status & UART_MSR_DCTS) port->icount.cts++; port->mon_data.modem_status = status; - wake_up_interruptible(&port->delta_msr_wait); + wake_up_interruptible(&port->port.delta_msr_wait); if ((port->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) { if (status & UART_MSR_DCD) @@ -973,7 +972,7 @@ static void mxser_shutdown(struct tty_struct *tty) * clear delta_msr_wait queue to avoid mem leaks: we may free the irq * here so the queue might never be waken up */ - wake_up_interruptible(&info->delta_msr_wait); + wake_up_interruptible(&info->port.delta_msr_wait); /* * Free the IRQ, if necessary @@ -1762,7 +1761,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, cnow = info->icount; /* note the counters on entry */ spin_unlock_irqrestore(&info->slock, flags); - return wait_event_interruptible(info->delta_msr_wait, + return wait_event_interruptible(info->port.delta_msr_wait, mxser_cflags_changed(info, arg, &cnow)); /* * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) @@ -2414,7 +2413,6 @@ static int __devinit mxser_initbrd(struct mxser_board *brd, info->port.close_delay = 5 * HZ / 10; info->port.closing_wait = 30 * HZ; info->normal_termios = mxvar_sdriver->init_termios; - init_waitqueue_head(&info->delta_msr_wait); memset(&info->mon_data, 0, sizeof(struct mxser_mon)); info->err_shadow = 0; spin_lock_init(&info->slock); |