diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
| commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
| tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /drivers/tty/synclink.c | |
| parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
| parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) | |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'drivers/tty/synclink.c')
| -rw-r--r-- | drivers/tty/synclink.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c index 2fac7123b274..6188059fd523 100644 --- a/drivers/tty/synclink.c +++ b/drivers/tty/synclink.c @@ -3314,12 +3314,11 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, -EAGAIN : -ERESTARTSYS; break; } - + dcd = tty_port_carrier_raised(&info->port); - - if (!(port->flags & ASYNC_CLOSING) && (do_clocal || dcd)) - break; - + if (do_clocal || dcd) + break; + if (signal_pending(current)) { retval = -ERESTARTSYS; break; @@ -3398,15 +3397,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) printk("%s(%d):mgsl_open(%s), old ref count = %d\n", __FILE__,__LINE__,tty->driver->name, info->port.count); - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ - wait_event_interruptible_tty(tty, info->port.close_wait, - !(info->port.flags & ASYNC_CLOSING)); - retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? - -EAGAIN : -ERESTARTSYS); - goto cleanup; - } - info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; spin_lock_irqsave(&info->netlock, flags); @@ -6635,7 +6625,7 @@ static bool mgsl_get_rx_frame(struct mgsl_struct *info) unsigned char *ptmp = info->intermediate_rxbuffer; if ( !(status & RXSTATUS_CRC_ERROR)) - info->icount.rxok++; + info->icount.rxok++; while(copy_count) { int partial_count; |