summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 03839289d6c0..8ed64115987f 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -610,7 +610,11 @@ static int ti_port_probe(struct usb_serial_port *port)
usb_set_serial_port_data(port, tport);
- port->port.drain_delay = 3;
+ /*
+ * The TUSB5052 LSR does not tell when the transmitter shift register
+ * has emptied so add a one-character drain delay.
+ */
+ port->port.drain_delay = 1;
return 0;
}