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USB: serial: f81232: drop time-based drain delay

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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: 98405f8103 ("USB: serial: f81232: add tx_empty function")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2021-04-12 11:38:12 +02:00
parent d07082277f
commit 8674cabe05
1 changed files with 0 additions and 1 deletions
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drivers/usb/serial/f81232.c
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@ -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;