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| author | Huang Shijie <shijie8@gmail.com> | 2012-08-22 22:13:36 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-05 13:28:35 -0700 |
| commit | f21ec3d2d46e5f2ffc06f31fe2704fdcea7a58f3 (patch) | |
| tree | 5d814cd687776374f960d3af2490187c3fbdf750 /drivers/tty/synclink.c | |
| parent | e5b57c037a656c694c7f3674f96352297a6ee7d8 (diff) | |
| download | lwn-f21ec3d2d46e5f2ffc06f31fe2704fdcea7a58f3.tar.gz lwn-f21ec3d2d46e5f2ffc06f31fe2704fdcea7a58f3.zip | |
serial: add a new helper function
In most of the time, the driver needs to check if the cts flow control
is enabled. But now, the driver checks the ASYNC_CTS_FLOW flag manually,
which is not a grace way. So add a new wraper function to make the code
tidy and clean.
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/synclink.c')
| -rw-r--r-- | drivers/tty/synclink.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c index 666aa1455fc7..70e3a525bc82 100644 --- a/drivers/tty/synclink.c +++ b/drivers/tty/synclink.c @@ -1359,7 +1359,7 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info ) } } - if ( (info->port.flags & ASYNC_CTS_FLOW) && + if (tty_port_cts_enabled(&info->port) && (status & MISCSTATUS_CTS_LATCHED) ) { if (info->port.tty->hw_stopped) { if (status & MISCSTATUS_CTS) { |