staging: comedi: cb_pcimdda: remove dio_offset from the boardinfo

The 8255 device is located at a fixed offset from the base
address of the card. There is not need to carry this offset
in the boardinfo. Remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index 765f92c..ecad85b 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -107,8 +107,6 @@ struct cb_pcimdda_board {
        unsigned short device_id;
        int ao_chans;
        int ao_bits;
-       /* how many bytes into the BADR are the DIO ports */
-       int dio_offset;
        int regs_badrindex;     /* IO Region for the control, analog output,
                                   and DIO registers */
        int reg_sz;             /* number of bytes of registers in io region */
@@ -120,7 +118,6 @@ static const struct cb_pcimdda_board cb_pcimdda_boards[] = {
         .device_id = PCI_ID_PCIM_DDA06_16,
         .ao_chans = 6,
         .ao_bits = 16,
-        .dio_offset = 12,
         .regs_badrindex = 3,
         .reg_sz = 16,
         }
@@ -279,7 +276,7 @@ static int cb_pcimdda_attach(struct comedi_device *dev,
        s = dev->subdevices + 1;
        /* digital i/o subdevice */
        ret = subdev_8255_init(dev, s, NULL,
-                       dev->iobase + thisboard->dio_offset);
+                       dev->iobase + PCIMDDA_8255_BASE_REG);
        if (ret)
                return ret;
        devpriv->attached_to_8255 = 1;