diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-08-16 19:49:15 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-17 08:14:33 -0700 |
| commit | a9ce3eefa55038d1a80b388cf885ea52f8f84433 (patch) | |
| tree | 08d44d4c32cca1d93b7b5c24a24819de8dda7a1e /drivers/staging/comedi/drivers/cb_pcimdda.c | |
| parent | b41bf58f3a088008d856b02faedfdf23167833a2 (diff) | |
staging: comedi: cb_pcimdda: use dev->iobase
Use dev->iobase for the pci i/o address 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>
Diffstat (limited to 'drivers/staging/comedi/drivers/cb_pcimdda.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/cb_pcimdda.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c index 0c6d941946fa..dc53f7ec8ebc 100644 --- a/drivers/staging/comedi/drivers/cb_pcimdda.c +++ b/drivers/staging/comedi/drivers/cb_pcimdda.c @@ -137,7 +137,6 @@ static const struct cb_pcimdda_board cb_pcimdda_boards[] = { * struct. */ struct cb_pcimdda_private { - unsigned long registers; /* set by probe */ unsigned long dio_registers; char attached_to_8255; /* boolean */ /* would be useful for a PCI device */ @@ -157,7 +156,7 @@ static int cb_pcimdda_ao_winsn(struct comedi_device *dev, struct cb_pcimdda_private *devpriv = dev->private; int i; int chan = CR_CHAN(insn->chanspec); - unsigned long offset = devpriv->registers + chan * 2; + unsigned long offset = dev->iobase + chan * 2; /* Writing a list of values to an AO channel is probably not * very useful, but that's how the interface is defined. */ @@ -201,7 +200,7 @@ static int cb_pcimdda_ao_rinsn(struct comedi_device *dev, int chan = CR_CHAN(insn->chanspec); for (i = 0; i < insn->n; i++) { - inw(devpriv->registers + chan * 2); + inw(dev->iobase + chan * 2); /* * should I set data[i] to the result of the actual read * on the register or the cached unsigned int in @@ -263,9 +262,9 @@ static int cb_pcimdda_attach(struct comedi_device *dev, err = comedi_pci_enable(pcidev, dev->board_name); if (err) return err; - devpriv->registers = pci_resource_start(devpriv->pci_dev, + dev->iobase = pci_resource_start(devpriv->pci_dev, thisboard->regs_badrindex); - devpriv->dio_registers = devpriv->registers + thisboard->dio_offset; + devpriv->dio_registers = dev->iobase + thisboard->dio_offset; err = comedi_alloc_subdevices(dev, 2); if (err) @@ -323,7 +322,7 @@ static void cb_pcimdda_detach(struct comedi_device *dev) devpriv->attached_to_8255 = 0; } if (devpriv->pci_dev) { - if (devpriv->registers) + if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } |