staging: comedi: adv_pci_dio: 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/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c
index c8052080030c40f9048e76bbe08b35185f656888..97f06dc8e48d002e00d053f068dccdad69310bbe 100644 (file)
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -382,7 +382,6 @@ static const struct dio_boardtype boardtypes[] = {
 };
 
 struct pci_dio_private {
-       struct pci_dev *pcidev; /*  pointer to board's pci_dev */
        char valid;             /*  card is usable */
        char GlobalIrqEnabled;  /*  1= any IRQ source is enabled */
        /*  PCI-1760 specific data */
@@ -1085,6 +1084,7 @@ static struct pci_dev *pci_dio_find_pci_dev(struct comedi_device *dev,
 static int pci_dio_attach(struct comedi_device *dev,
                          struct comedi_devconfig *it)
 {
+       struct pci_dev *pcidev;
        struct comedi_subdevice *s;
        int ret, subdev, n_subdevices, i, j;
 
@@ -1092,18 +1092,18 @@ static int pci_dio_attach(struct comedi_device *dev,
        if (ret < 0)
                return -ENOMEM;
 
-       devpriv->pcidev = pci_dio_find_pci_dev(dev, it);
-       if (!devpriv->pcidev)
+       pcidev = pci_dio_find_pci_dev(dev, it);
+       if (!pcidev)
                return -EIO;
+       comedi_set_hw_dev(dev, &pcidev->dev);
 
-       if (comedi_pci_enable(devpriv->pcidev, dev->driver->driver_name)) {
+       if (comedi_pci_enable(pcidev, dev->driver->driver_name)) {
                dev_err(dev->class_dev,
                        "Error: Can't enable PCI device and request regions!\n");
                return -EIO;
        }
 
-       dev->iobase = pci_resource_start(devpriv->pcidev,
-                                        this_board->main_pci_region);
+       dev->iobase = pci_resource_start(pcidev, this_board->main_pci_region);
        dev->board_name = this_board->name;
 
        if (this_board->cardtype == TYPE_PCI1760) {
@@ -1180,6 +1180,7 @@ static int pci_dio_attach(struct comedi_device *dev,
 
 static void pci_dio_detach(struct comedi_device *dev)
 {
+       struct pci_dev *pcidev = comedi_to_pci_dev(dev);
        int i, j;
        struct comedi_subdevice *s;
        int subdev;
@@ -1212,11 +1213,11 @@ static void pci_dio_detach(struct comedi_device *dev)
                        s = dev->subdevices + i;
                        s->private = NULL;
                }
-               if (devpriv->pcidev) {
-                       if (dev->iobase)
-                               comedi_pci_disable(devpriv->pcidev);
-                       pci_dev_put(devpriv->pcidev);
-               }
+       }
+       if (pcidev) {
+               if (dev->iobase)
+                       comedi_pci_disable(pcidev);
+               pci_dev_put(pcidev);
        }
 }