staging: comedi: adl_pci7296: store the pci_dev in the comedi_device

Use the hw_dev pointer in the comedi_device struct to hold the
pci_dev instead of carrying it in 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>

diff --git a/drivers/staging/comedi/drivers/adl_pci7296.c b/drivers/staging/comedi/drivers/adl_pci7296.c
index 58deb60..b003ed0 100644 (file)
--- a/drivers/staging/comedi/drivers/adl_pci7296.c
+++ b/drivers/staging/comedi/drivers/adl_pci7296.c
@@ -49,7 +49,6 @@ Configuration Options:
 
 struct adl_pci7296_private {
        int data;
-       struct pci_dev *pci_dev;
 };
 
 #define devpriv ((struct adl_pci7296_private *)dev->private)
@@ -82,6 +81,7 @@ static struct pci_dev *adl_pci7296_find_pci(struct comedi_device *dev,
 static int adl_pci7296_attach(struct comedi_device *dev,
                              struct comedi_devconfig *it)
 {
+       struct pci_dev *pcidev;
        struct comedi_subdevice *s;
        int ret;
 
@@ -96,18 +96,19 @@ static int adl_pci7296_attach(struct comedi_device *dev,
        if (ret)
                return ret;
 
-       devpriv->pci_dev = adl_pci7296_find_pci(dev, it);
-       if (!devpriv->pci_dev)
+       pcidev = adl_pci7296_find_pci(dev, it);
+       if (!pcidev)
                return -EIO;
+       comedi_set_hw_dev(dev, &pcidev->dev);
 
-       if (comedi_pci_enable(devpriv->pci_dev, "adl_pci7296") < 0) {
+       if (comedi_pci_enable(pcidev, "adl_pci7296") < 0) {
                printk(KERN_ERR
                        "comedi%d: Failed to enable PCI device and request regions\n",
                        dev->minor);
                return -EIO;
        }
 
-       dev->iobase = pci_resource_start(devpriv->pci_dev, 2);
+       dev->iobase = pci_resource_start(pcidev, 2);
        printk(KERN_INFO "comedi: base addr %4lx\n", dev->iobase);
 
        /*  four 8255 digital io subdevices */
@@ -139,10 +140,12 @@ static int adl_pci7296_attach(struct comedi_device *dev,
 
 static void adl_pci7296_detach(struct comedi_device *dev)
 {
-       if (devpriv && devpriv->pci_dev) {
+       struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+
+       if (pcidev) {
                if (dev->iobase)
-                       comedi_pci_disable(devpriv->pci_dev);
-               pci_dev_put(devpriv->pci_dev);
+                       comedi_pci_disable(pcidev);
+               pci_dev_put(pcidev);
        }
        if (dev->subdevices) {
                subdev_8255_cleanup(dev, dev->subdevices + 0);