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Subject[PATCH 02/90] staging: comedi: adl_pci6208: store the pci_dev in the comedi_device
Date
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>
Cc: Greg Kroah-Hartman <gregkh@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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