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staging: comedi: cb_pcidio: remove the private data

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The private data is no longer needed by this driver. Remove the
struct, devpriv macro, and the allocation.

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
2012-07-18 18:45:26 -07:00
committed by Greg Kroah-Hartman
parent dbd658fc0c
commit cdb82250ea
1 changed files with 0 additions and 24 deletions
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24
drivers/staging/comedi/drivers/cb_pcidio.c
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@@ -90,23 +90,6 @@ static const struct pcidio_board pcidio_boards[] = {
*/
#define thisboard ((const struct pcidio_board *)dev->board_ptr)
/* this structure is for data unique to this hardware driver. If
several hardware drivers keep similar information in this structure,
feel free to suggest moving the variable to the struct comedi_device struct. */
struct pcidio_private {
int data; /* currently unused */
/* used for DO readback, currently unused */
unsigned int do_readback[4]; /* up to 4 unsigned int suffice to hold 96 bits for PCI-DIO96 */
};
/*
* most drivers define the following macro to make it easy to
* access the private structure.
*/
#define devpriv ((struct pcidio_private *)dev->private)
static struct pci_dev *pcidio_find_pci_dev(struct comedi_device *dev,
struct comedi_devconfig *it)
{
@@ -143,13 +126,6 @@ static int pcidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
int i;
int ret;
/*
* Allocate the private structure area. alloc_private() is a
* convenient macro defined in comedidev.h.
*/
if (alloc_private(dev, sizeof(struct pcidio_private)) < 0)
return -ENOMEM;
pcidev = pcidio_find_pci_dev(dev, it);
if (!pcidev)
return -EIO;