staging: comedi: contec_pci_dio: store the pci_dev in the comedi_device
authorH Hartley Sweeten <hartleys@visionengravers.com>
Thu, 19 Jul 2012 01:50:42 +0000 (18:50 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jul 2012 23:32:57 +0000 (16:32 -0700)
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>
drivers/staging/comedi/drivers/contec_pci_dio.c

index b75a8afce5eb2682528a08f75b00455f86f577c8..5578c2ca29981cb078b2391ecd360dd164d4c945 100644 (file)
@@ -59,9 +59,6 @@ static const struct contec_board contec_boards[] = {
 
 struct contec_private {
        int data;
-
-       struct pci_dev *pci_dev;
-
 };
 
 #define devpriv ((struct contec_private *)dev->private)
@@ -143,7 +140,7 @@ static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        pcidev = contec_find_pci_dev(dev, it);
        if (!pcidev)
                return -EIO;
-       devpriv->pci_dev = pcidev;
+       comedi_set_hw_dev(dev, &pcidev->dev);
 
        if (comedi_pci_enable(pcidev, "contec_pci_dio")) {
                printk("error enabling PCI device and request regions!\n");
@@ -176,10 +173,12 @@ static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 static void contec_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);
        }
 }