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-rw-r--r--drivers/tty/serial/serial_core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 29f4781db387..259f28ec6c8b 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -162,7 +162,7 @@ static void uart_port_dtr_rts(struct uart_port *uport, int raise)
int RTS_after_send = !!(uport->rs485.flags & SER_RS485_RTS_AFTER_SEND);
if (raise) {
- if (rs485_on && !RTS_after_send) {
+ if (rs485_on && RTS_after_send) {
uart_set_mctrl(uport, TIOCM_DTR);
uart_clear_mctrl(uport, TIOCM_RTS);
} else {
@@ -171,7 +171,7 @@ static void uart_port_dtr_rts(struct uart_port *uport, int raise)
} else {
unsigned int clear = TIOCM_DTR;
- clear |= (!rs485_on || !RTS_after_send) ? TIOCM_RTS : 0;
+ clear |= (!rs485_on || RTS_after_send) ? TIOCM_RTS : 0;
uart_clear_mctrl(uport, clear);
}
}