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serial: add a new helper function

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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>
This commit is contained in:
Huang Shijie
2012-08-22 22:13:36 -04:00
committed by Greg Kroah-Hartman
parent e5b57c037a
commit f21ec3d2d4
13 changed files with 20 additions and 14 deletions
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4
net/irda/ircomm/ircomm_tty.c
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@@ -1070,7 +1070,7 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self)
goto put;
}
}
if (tty && self->port.flags & ASYNC_CTS_FLOW) {
if (tty && tty_port_cts_enabled(&self->port)) {
if (tty->hw_stopped) {
if (status & IRCOMM_CTS) {
IRDA_DEBUG(2,
@@ -1313,7 +1313,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m)
seq_puts(m, "Flags:");
sep = ' ';
if (self->port.flags & ASYNC_CTS_FLOW) {
if (tty_port_cts_enabled(&self->port)) {
seq_printf(m, "%cASYNC_CTS_FLOW", sep);
sep = '|';
}