staging: comedi: cb_pcimdas: remove BADR4 from the private data
authorH Hartley Sweeten <hartleys@visionengravers.com>
Thu, 19 Jul 2012 01:48:07 +0000 (18:48 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jul 2012 23:32:56 +0000 (16:32 -0700)
The pci resource bar 4 address is only needed to initialize the
8255 subdevice. Use a local variable to hold it and remove it
from the private data.

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>
drivers/staging/comedi/drivers/cb_pcimdas.c

index 3902c85bc17c649ea319557e969291624e946ef5..c8df680808f7757bf1aefea68b45aaac9c94f2b0 100644 (file)
@@ -59,7 +59,6 @@ See http://www.mccdaq.com/PDFs/Manuals/pcim-das1602-16.pdf for more details.
 #define BADR0_SIZE 2           /* ?? */
 #define BADR2_SIZE 6
 #define BADR3_SIZE 16
-#define BADR4_SIZE 4
 
 /* DAC Offsets */
 #define ADC_TRIG 0
@@ -140,7 +139,6 @@ struct cb_pcimdas_private {
        unsigned long BADR0;
        unsigned long BADR2;
        unsigned long BADR3;
-       unsigned long BADR4;
 
        /* Used for AO readback */
        unsigned int ao_readback[2];
@@ -204,6 +202,7 @@ static int cb_pcimdas_attach(struct comedi_device *dev,
 {
        struct pci_dev *pcidev;
        struct comedi_subdevice *s;
+       unsigned long iobase_8255;
        int ret;
 
 /*
@@ -236,7 +235,7 @@ static int cb_pcimdas_attach(struct comedi_device *dev,
        devpriv->BADR0 = pci_resource_start(devpriv->pci_dev, 0);
        devpriv->BADR2 = pci_resource_start(devpriv->pci_dev, 2);
        devpriv->BADR3 = pci_resource_start(devpriv->pci_dev, 3);
-       devpriv->BADR4 = pci_resource_start(devpriv->pci_dev, 4);
+       iobase_8255 = pci_resource_start(devpriv->pci_dev, 4);
 
 /* Dont support IRQ yet */
 /*  get irq */
@@ -280,7 +279,7 @@ static int cb_pcimdas_attach(struct comedi_device *dev,
        s = dev->subdevices + 2;
        /* digital i/o subdevice */
        if (thisboard->has_dio)
-               subdev_8255_init(dev, s, NULL, devpriv->BADR4);
+               subdev_8255_init(dev, s, NULL, iobase_8255);
        else
                s->type = COMEDI_SUBD_UNUSED;