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[1/4] USB: serial: f81232: drop time-based drain delay

Message ID 20210412093815.736-2-johan@kernel.org (mailing list archive)
State Accepted
Commit 8674cabe052b9ce23f72abb83058fc1d545e257a
Headers show
Series USB: serial: closing-wait fixes and cleanups | expand

Commit Message

Johan Hovold April 12, 2021, 9:38 a.m. UTC 
The f81232 driver now waits for the transmit FIFO to drain during close
so there is no need to keep the time-based drain delay, which would add
up to two seconds on every close for low line speeds.

Fixes: 98405f81036d ("USB: serial: f81232: add tx_empty function")
Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/usb/serial/f81232.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index b4b847dce4bc..a7a7af8d05bf 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -948,7 +948,6 @@  static int f81232_port_probe(struct usb_serial_port *port)
 
 	usb_set_serial_port_data(port, priv);
 
-	port->port.drain_delay = 256;
 	priv->port = port;
 
 	return 0;