The port close_delay parameter set by TIOCSSERIAL is specified in jiffies, while the value returned by TIOCGSERIAL is specified in centiseconds.
Add the missing conversions so that TIOCGSERIAL works as expected also when HZ is not 100.
Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold johan@kernel.org --- drivers/tty/moxa.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c index 32eb6b5e510f..5b7bc7af8b1e 100644 --- a/drivers/tty/moxa.c +++ b/drivers/tty/moxa.c @@ -2038,7 +2038,7 @@ static int moxa_get_serial_info(struct tty_struct *tty, ss->line = info->port.tty->index, ss->flags = info->port.flags, ss->baud_base = 921600, - ss->close_delay = info->port.close_delay; + ss->close_delay = jiffies_to_msecs(info->port.close_delay) / 10; mutex_unlock(&info->port.mutex); return 0; } @@ -2067,7 +2067,7 @@ static int moxa_set_serial_info(struct tty_struct *tty, return -EPERM; } } - info->port.close_delay = ss->close_delay * HZ / 100; + info->port.close_delay = msecs_to_jiffies(ss->close_delay * 10);
MoxaSetFifo(info, ss->type == PORT_16550A);