[PATCH 02/90] staging: comedi: adl_pci6208: store the pci_dev in the comedi_device

[H Hartley Sweeten]

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 <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/adl_pci6208.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c 
b/drivers/staging/comedi/drivers/adl_pci6208.c
index 487fd4a..3bec0f6 100644
--- a/drivers/staging/comedi/drivers/adl_pci6208.c
+++ b/drivers/staging/comedi/drivers/adl_pci6208.c
@@ -73,7 +73,6 @@ static const struct pci6208_board pci6208_boards[] = {
 };
 
 struct pci6208_private {
-       struct pci_dev *pci_dev;
        unsigned int ao_readback[PCI6208_MAX_AO_CHANNELS];
 };
 
@@ -200,6 +199,7 @@ static int pci6208_attach(struct comedi_device *dev,
 {
        const struct pci6208_board *thisboard;
        struct pci6208_private *devpriv;
+       struct pci_dev *pcidev;
        struct comedi_subdevice *s;
        int ret;
 
@@ -208,20 +208,21 @@ static int pci6208_attach(struct comedi_device *dev,
                return ret;
        devpriv = dev->private;
 
-       devpriv->pci_dev = pci6208_find_device(dev, it);
-       if (!devpriv->pci_dev)
+       pcidev = pci6208_find_device(dev, it);
+       if (!pcidev)
                return -EIO;
+       comedi_set_hw_dev(dev, &pcidev->dev);
        thisboard = comedi_board(dev);
 
        dev->board_name = thisboard->name;
 
-       ret = comedi_pci_enable(devpriv->pci_dev, dev->driver->driver_name);
+       ret = comedi_pci_enable(pcidev, dev->driver->driver_name);
        if (ret) {
                dev_err(dev->class_dev,
                        "Failed to enable PCI device and request regions\n");
                return ret;
        }
-       dev->iobase = pci_resource_start(devpriv->pci_dev, 2);
+       dev->iobase = pci_resource_start(pcidev, 2);
 
        ret = comedi_alloc_subdevices(dev, 2);
        if (ret)
@@ -258,12 +259,12 @@ static int pci6208_attach(struct comedi_device *dev,
 
 static void pci6208_detach(struct comedi_device *dev)
 {
-       struct pci6208_private *devpriv = dev->private;
+       struct pci_dev *pcidev = comedi_to_pci_dev(dev);
 
-       if (devpriv && devpriv->pci_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);
        }
 }
 
-- 
1.7.11

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