[PATCH 38/90] staging: comedi: amplc_pci230: store the pci_dev in the comedi_device
From: H Hartley Sweeten
Date: Wed Jul 18 2012 - 21:42:10 EST
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@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/amplc_pci230.c | 25 +++++++++++--------------
1 file changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index 0b09934..1b67d0c 100644
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -500,7 +500,6 @@ static const struct pci230_board pci230_boards[] = {
several hardware drivers keep similar information in this structure,
feel free to suggest moving the variable to the struct comedi_device struct. */
struct pci230_private {
- struct pci_dev *pci_dev;
spinlock_t isr_spinlock; /* Interrupt spin lock */
spinlock_t res_spinlock; /* Shared resources spin lock */
spinlock_t ai_stop_spinlock; /* Spin lock for stopping AI command */
@@ -2752,7 +2751,8 @@ static int pci230_attach_common(struct comedi_device *dev,
/* PCI230's I/O spaces 1 and 2 respectively. */
int irq_hdl, rc;
- devpriv->pci_dev = pci_dev;
+ comedi_set_hw_dev(dev, &pci_dev->dev);
+
dev->board_name = thisboard->name;
/* Enable PCI device and reserve I/O spaces. */
if (comedi_pci_enable(pci_dev, "amplc_pci230") < 0) {
@@ -2823,16 +2823,15 @@ static int pci230_attach_common(struct comedi_device *dev,
outw(devpriv->adccon | PCI230_ADC_FIFO_RESET,
dev->iobase + PCI230_ADCCON);
/* Register the interrupt handler. */
- irq_hdl = request_irq(devpriv->pci_dev->irq, pci230_interrupt,
+ irq_hdl = request_irq(pci_dev->irq, pci230_interrupt,
IRQF_SHARED, "amplc_pci230", dev);
if (irq_hdl < 0) {
dev_warn(dev->class_dev,
"unable to register irq %u, commands will not be available\n",
- devpriv->pci_dev->irq);
+ pci_dev->irq);
} else {
- dev->irq = devpriv->pci_dev->irq;
- dev_dbg(dev->class_dev, "registered irq %u\n",
- devpriv->pci_dev->irq);
+ dev->irq = pci_dev->irq;
+ dev_dbg(dev->class_dev, "registered irq %u\n", pci_dev->irq);
}
rc = comedi_alloc_subdevices(dev, 3);
@@ -2932,18 +2931,16 @@ static int __devinit pci230_attach_pci(struct comedi_device *dev,
static void pci230_detach(struct comedi_device *dev)
{
const struct pci230_board *thisboard = comedi_board(dev);
- struct pci230_private *devpriv = dev->private;
+ struct pci_dev *pcidev = comedi_to_pci_dev(dev);
if (dev->subdevices && thisboard->have_dio)
subdev_8255_cleanup(dev, dev->subdevices + 2);
if (dev->irq)
free_irq(dev->irq, dev);
- if (devpriv) {
- if (devpriv->pci_dev) {
- if (dev->iobase)
- comedi_pci_disable(devpriv->pci_dev);
- pci_dev_put(devpriv->pci_dev);
- }
+ if (pcidev) {
+ if (dev->iobase)
+ comedi_pci_disable(pcidev);
+ pci_dev_put(pcidev);
}
}
--
1.7.11
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