staging: comedi: cb_pcidio: remove the private data

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>

diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c
index f30f6da1082fb6ec490b34012375e4b637cbb552..e370d0d81bbd926e9c78680d7c0f96c31f7bcf03 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcidio.c
+++ b/drivers/staging/comedi/drivers/cb_pcidio.c
@@ -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;