diff options
| author |   H Hartley Sweeten <hartleys@visionengravers.com> | 2012-07-18 18:35:13 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-19 16:19:43 -0700 |
| commit | 983ff48833061b71e37d15b618198ef65b242ca0 (patch) | |
| tree | 3c7d008bd34c1c35a4d4adda3dcf9ecd6cb5abe4 /drivers/staging/comedi/drivers/adv_pci_dio.c | |
| parent | staging: comedi: adv_pci_dio: cleanup "find pci device" code (diff) | |
| download | linux-dev-983ff48833061b71e37d15b618198ef65b242ca0.tar.xz linux-dev-983ff48833061b71e37d15b618198ef65b242ca0.zip | |
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/adv_pci_dio.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adv_pci_dio.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index c8052080030c..97f06dc8e48d 100644 --- 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); } } |