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staging: comedi: s626: 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>
This commit is contained in:
H Hartley Sweeten 2012-09-24 13:22:10 -07:00 committed by Greg Kroah-Hartman
parent 91e674e83c
commit f574af6d26
1 changed files with 15 additions and 13 deletions
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28
drivers/staging/comedi/drivers/s626.c
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@ -79,7 +79,6 @@ INSN_CONFIG instructions:
#define PCI_SUBDEVICE_ID_S626 0x0272
struct s626_private {
struct pci_dev *pdev;
void __iomem *base_addr;
int got_regions;
short allocatedBuf;
@ -1882,6 +1881,7 @@ static void WriteMISC2(struct comedi_device *dev, uint16_t NewImage)
static void CloseDMAB(struct comedi_device *dev, struct bufferDMA *pdma,
size_t bsize)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
void *vbptr;
dma_addr_t vpptr;
@ -1892,7 +1892,7 @@ static void CloseDMAB(struct comedi_device *dev, struct bufferDMA *pdma,
vbptr = pdma->LogicalBase;
vpptr = pdma->PhysicalBase;
if (vbptr) {
pci_free_consistent(devpriv->pdev, bsize, vbptr, vpptr);
pci_free_consistent(pcidev, bsize, vbptr, vpptr);
pdma->LogicalBase = NULL;
pdma->PhysicalBase = 0;
}
@ -2452,19 +2452,19 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
dma_addr_t appdma;
struct comedi_subdevice *s;
comedi_set_hw_dev(dev, &pcidev->dev);
if (alloc_private(dev, sizeof(struct s626_private)) < 0)
return -ENOMEM;
devpriv->pdev = pcidev;
result = comedi_pci_enable(devpriv->pdev, "s626");
result = comedi_pci_enable(pcidev, "s626");
if (result < 0) {
printk(KERN_ERR "s626_attach: comedi_pci_enable fails\n");
return -ENODEV;
}
devpriv->got_regions = 1;
resourceStart = pci_resource_start(devpriv->pdev, 0);
resourceStart = pci_resource_start(pcidev, 0);
devpriv->base_addr = ioremap(resourceStart, SIZEOF_ADDRESS_SPACE);
if (devpriv->base_addr == NULL) {
@ -2485,7 +2485,7 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
devpriv->allocatedBuf = 0;
devpriv->ANABuf.LogicalBase =
pci_alloc_consistent(devpriv->pdev, DMABUF_SIZE, &appdma);
pci_alloc_consistent(pcidev, DMABUF_SIZE, &appdma);
if (devpriv->ANABuf.LogicalBase == NULL) {
printk(KERN_ERR "s626_attach: DMA Memory mapping error\n");
@ -2497,7 +2497,7 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
devpriv->allocatedBuf++;
devpriv->RPSBuf.LogicalBase =
pci_alloc_consistent(devpriv->pdev, DMABUF_SIZE, &appdma);
pci_alloc_consistent(pcidev, DMABUF_SIZE, &appdma);
if (devpriv->RPSBuf.LogicalBase == NULL) {
printk(KERN_ERR "s626_attach: DMA Memory mapping error\n");
@ -2517,7 +2517,7 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
return ret;
dev->iobase = (unsigned long)devpriv->base_addr;
dev->irq = devpriv->pdev->irq;
dev->irq = pcidev->irq;
/* set up interrupt handler */
if (dev->irq == 0) {
@ -2869,6 +2869,8 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
static void s626_detach(struct comedi_device *dev)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
if (devpriv) {
/* stop ai_command */
devpriv->ai_cmd_running = 0;
@ -2893,10 +2895,10 @@ static void s626_detach(struct comedi_device *dev)
free_irq(dev->irq, dev);
if (devpriv->base_addr)
iounmap(devpriv->base_addr);
if (devpriv->pdev) {
if (devpriv->got_regions)
comedi_pci_disable(devpriv->pdev);
}
}
if (pcidev) {
if (devpriv->got_regions)
comedi_pci_disable(pcidev);
}
}