From 2db6c7698bbb37128959d3a207fc46e3f45bef3c Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Wed, 17 Mar 2010 23:05:55 +0100 Subject: [PATCH] USB: cp210x: use generic submit_read_urb at open There is no need to initialise the read urb as this is done at port probe. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/cp210x.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fa4fb5e0cf12..f95a590e1993 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -372,7 +372,6 @@ static unsigned int cp210x_quantise_baudrate(unsigned int baud) { static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) { - struct usb_serial *serial = port->serial; int result; dbg("%s - port %d", __func__, port->number); @@ -383,20 +382,9 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) return -EPROTO; } - /* Start reading from the device */ - usb_fill_bulk_urb(port->read_urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_in_endpointAddress), - port->read_urb->transfer_buffer, - port->read_urb->transfer_buffer_length, - serial->type->read_bulk_callback, - port); - result = usb_submit_urb(port->read_urb, GFP_KERNEL); - if (result) { - dev_err(&port->dev, "%s - failed resubmitting read urb, " - "error %d\n", __func__, result); + result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL); + if (result) return result; - } /* Configure the termios structure */ cp210x_get_termios(tty, port); -- 2.20.1