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path: root/drivers/char/mxser.c
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Diffstat (limited to 'drivers/char/mxser.c')
-rw-r--r--drivers/char/mxser.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 13f8871e5b2..9533f43a30b 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -547,14 +547,18 @@ static int mxser_carrier_raised(struct tty_port *port)
return (inb(mp->ioaddr + UART_MSR) & UART_MSR_DCD)?1:0;
}
-static void mxser_raise_dtr_rts(struct tty_port *port)
+static void mxser_dtr_rts(struct tty_port *port, int on)
{
struct mxser_port *mp = container_of(port, struct mxser_port, port);
unsigned long flags;
spin_lock_irqsave(&mp->slock, flags);
- outb(inb(mp->ioaddr + UART_MCR) |
- UART_MCR_DTR | UART_MCR_RTS, mp->ioaddr + UART_MCR);
+ if (on)
+ outb(inb(mp->ioaddr + UART_MCR) |
+ UART_MCR_DTR | UART_MCR_RTS, mp->ioaddr + UART_MCR);
+ else
+ outb(inb(mp->ioaddr + UART_MCR)&~(UART_MCR_DTR | UART_MCR_RTS),
+ mp->ioaddr + UART_MCR);
spin_unlock_irqrestore(&mp->slock, flags);
}
@@ -2356,7 +2360,7 @@ static const struct tty_operations mxser_ops = {
struct tty_port_operations mxser_port_ops = {
.carrier_raised = mxser_carrier_raised,
- .raise_dtr_rts = mxser_raise_dtr_rts,
+ .dtr_rts = mxser_dtr_rts,
};
/*