For aesthetics, use a local variable for the __iomem base address
used to write to the registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
                              struct comedi_subdevice *s)
 {
        struct ni6527_private *devpriv = dev->private;
+       void __iomem *mmio = devpriv->mite->daq_io_addr;
 
-       writeb(NI6527_CTRL_DISABLE_IRQS,
-              devpriv->mite->daq_io_addr + NI6527_CTRL_REG);
+       writeb(NI6527_CTRL_DISABLE_IRQS, mmio + NI6527_CTRL_REG);
 
        return 0;
 }