[PATCH 13/30] staging: comedi: cb_pcidas: use comedi_device pci_dev pointer

From: H Hartley Sweeten
Date: Wed Jul 11 2012 - 18:25:49 EST


Use the pci_dev pointer in the comedi_device struct instead of
carrying it in the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/cb_pcidas.c | 31 +++++++++++++++---------------
1 file changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index 301444e..39b02e8 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -343,7 +343,6 @@ static const struct cb_pcidas_board cb_pcidas_boards[] = {
};

struct cb_pcidas_private {
- struct pci_dev *pci_dev;
/* base addresses */
unsigned long s5933_config;
unsigned long control_status;
@@ -1553,35 +1552,35 @@ static int cb_pcidas_attach(struct comedi_device *dev,
return -ENOMEM;
devpriv = dev->private;

- devpriv->pci_dev = cb_pcidas_find_pci_device(dev, it);
- if (!devpriv->pci_dev)
+ dev->pcidev = cb_pcidas_find_pci_device(dev, it);
+ if (!dev->pcidev)
return -EIO;
thisboard = comedi_board(dev);

- if (comedi_pci_enable(devpriv->pci_dev, dev->driver->driver_name)) {
+ if (comedi_pci_enable(dev->pcidev, dev->driver->driver_name)) {
dev_err(dev->class_dev,
"Failed to enable PCI device and request regions\n");
return -EIO;
}

- devpriv->s5933_config = pci_resource_start(devpriv->pci_dev, 0);
- devpriv->control_status = pci_resource_start(devpriv->pci_dev, 1);
- devpriv->adc_fifo = pci_resource_start(devpriv->pci_dev, 2);
- devpriv->pacer_counter_dio = pci_resource_start(devpriv->pci_dev, 3);
+ devpriv->s5933_config = pci_resource_start(dev->pcidev, 0);
+ devpriv->control_status = pci_resource_start(dev->pcidev, 1);
+ devpriv->adc_fifo = pci_resource_start(dev->pcidev, 2);
+ devpriv->pacer_counter_dio = pci_resource_start(dev->pcidev, 3);
if (thisboard->ao_nchan)
- devpriv->ao_registers = pci_resource_start(devpriv->pci_dev, 4);
+ devpriv->ao_registers = pci_resource_start(dev->pcidev, 4);

/* disable and clear interrupts on amcc s5933 */
outl(INTCSR_INBOX_INTR_STATUS,
devpriv->s5933_config + AMCC_OP_REG_INTCSR);

- if (request_irq(devpriv->pci_dev->irq, cb_pcidas_interrupt,
+ if (request_irq(dev->pcidev->irq, cb_pcidas_interrupt,
IRQF_SHARED, dev->driver->driver_name, dev)) {
dev_dbg(dev->class_dev, "unable to allocate irq %d\n",
- devpriv->pci_dev->irq);
+ dev->pcidev->irq);
return -EINVAL;
}
- dev->irq = devpriv->pci_dev->irq;
+ dev->irq = dev->pcidev->irq;

dev->board_name = thisboard->name;

@@ -1714,10 +1713,10 @@ static void cb_pcidas_detach(struct comedi_device *dev)
free_irq(dev->irq, dev);
if (dev->subdevices)
subdev_8255_cleanup(dev, dev->subdevices + 2);
- if (devpriv && devpriv->pci_dev) {
- if (devpriv->s5933_config)
- comedi_pci_disable(devpriv->pci_dev);
- pci_dev_put(devpriv->pci_dev);
+ if (dev->pcidev) {
+ if (devpriv && devpriv->s5933_config)
+ comedi_pci_disable(dev->pcidev);
+ pci_dev_put(dev->pcidev);
}
}

--
1.7.11

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