1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
index 31a8b47f1ac6..3722d6c1ba77 100644
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -503,7 +503,7 @@ static void mxuport_process_read_urb_demux_data(struct urb *urb)
                         return;
                 }
 
-                if (test_bit(ASYNCB_INITIALIZED, &demux_port->port.flags)) {
+                if (tty_port_initialized(&demux_port->port)) {
                         ch = data + HEADER_SIZE;
                         mxuport_process_read_urb_data(demux_port, ch, rcv_len);
                 } else {
@@ -544,7 +544,7 @@ static void mxuport_process_read_urb_demux_event(struct urb *urb)
                 }
 
                 demux_port = serial->port[rcv_port];
-                if (test_bit(ASYNCB_INITIALIZED, &demux_port->port.flags)) {
+                if (tty_port_initialized(&demux_port->port)) {
                         ch = data + HEADER_SIZE;
                         rcv_event = get_unaligned_be16(data + 2);
                         mxuport_process_read_urb_event(demux_port, ch,
@@ -1339,7 +1339,7 @@ static int mxuport_resume(struct usb_serial *serial)
 
         for (i = 0; i < serial->num_ports; i++) {
                 port = serial->port[i];
-                if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
+                if (!tty_port_initialized(&port->port))
                         continue;
 
                 r = usb_serial_generic_write_start(port, GFP_NOIO);