The variable unipolar was never used. Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx> --- There may be a chance that reading from DAS1800_CONTROL_C is necessary before reading from DAS1800_STATUS. If that is true then please discard this patch. drivers/staging/comedi/drivers/das1800.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index 94078118..76cf2cd 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -482,9 +482,6 @@ static void das1800_handle_fifo_not_empty(struct comedi_device *dev, { struct comedi_cmd *cmd = &s->async->cmd; unsigned short dpnt; - int unipolar; - - unipolar = inb(dev->iobase + DAS1800_CONTROL_C) & UB; while (inb(dev->iobase + DAS1800_STATUS) & FNE) { dpnt = inw(dev->iobase + DAS1800_FIFO); -- 1.9.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel