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@@ -652,11 +652,6 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp)
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port->bulk_out_size = port->write_urb->transfer_buffer_length = URBDATA_SIZE;
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msleep(1000*initial_wait);
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- /* Start reading from the device */
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- usb_fill_bulk_urb(port->read_urb, serial->dev,
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- usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
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- port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
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- ipaq_read_bulk_callback, port);
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/*
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* Send out control message observed in win98 sniffs. Not sure what
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@@ -670,18 +665,31 @@ static int ipaq_open(struct usb_serial_port *port, struct file *filp)
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result = usb_control_msg(serial->dev,
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usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
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0x1, 0, NULL, 0, 100);
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- if (result == 0) {
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- result = usb_submit_urb(port->read_urb, GFP_KERNEL);
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- if (result) {
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- err("%s - failed submitting read urb, error %d", __FUNCTION__, result);
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- goto error;
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- }
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- return 0;
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- }
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+ if (!result)
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+ break;
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+
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msleep(1000);
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}
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- err("%s - failed doing control urb, error %d", __FUNCTION__, result);
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- goto error;
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+
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+ if (!retries && result) {
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+ err("%s - failed doing control urb, error %d", __FUNCTION__,
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+ result);
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+ goto error;
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+ }
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+
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+ /* Start reading from the device */
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+ usb_fill_bulk_urb(port->read_urb, serial->dev,
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+ usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
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+ port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
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+ ipaq_read_bulk_callback, port);
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+
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+ result = usb_submit_urb(port->read_urb, GFP_KERNEL);
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+ if (result) {
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+ err("%s - failed submitting read urb, error %d", __FUNCTION__, result);
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+ goto error;
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+ }
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+
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+ return 0;
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enomem:
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result = -ENOMEM;
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