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staging: comedi: cb_pcidda: remove thisboard and devpriv macros

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These macros rely on a local variable having a specific name.
Remove them and use the comedi_board() helper to get the thisboard
pointer.

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
2012-08-16 19:44:59 -07:00
committed by Greg Kroah-Hartman
parent 93ddbbbcb2
commit c6ad306b94
1 changed files with 13 additions and 16 deletions
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29
drivers/staging/comedi/drivers/cb_pcidda.c
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@@ -202,11 +202,6 @@ static const struct cb_pcidda_board cb_pcidda_boards[] = {
},
};
/*
* Useful for shorthand access to the particular board structure
*/
#define thisboard ((const struct cb_pcidda_board *)dev->board_ptr)
/*
* this structure is for data unique to this hardware driver. If
* several hardware drivers keep similar information in this structure,
@@ -229,12 +224,6 @@ struct cb_pcidda_private {
u16 eeprom_data[EEPROM_SIZE]; /* software copy of board's eeprom */
};
/*
* most drivers define the following macro to make it easy to
* access the private structure.
*/
#define devpriv ((struct cb_pcidda_private *)dev->private)
/* static int cb_pcidda_ai_rinsn(struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data); */
static int cb_pcidda_ao_winsn(struct comedi_device *dev,
struct comedi_subdevice *s,
@@ -289,21 +278,23 @@ static struct pci_dev *cb_pcidda_find_pci_dev(struct comedi_device *dev,
static int cb_pcidda_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
const struct cb_pcidda_board *thisboard;
struct cb_pcidda_private *devpriv;
struct pci_dev *pcidev;
struct comedi_subdevice *s;
int index;
int ret;
/*
* Allocate the private structure area.
*/
if (alloc_private(dev, sizeof(struct cb_pcidda_private)) < 0)
return -ENOMEM;
ret = alloc_private(dev, sizeof(*devpriv));
if (ret)
return ret;
devpriv = dev->private;
pcidev = cb_pcidda_find_pci_dev(dev, it);
if (!pcidev)
return -EIO;
comedi_set_hw_dev(dev, &pcidev->dev);
thisboard = comedi_board(dev);
/*
* Enable PCI device and request regions.
@@ -585,6 +576,7 @@ static int cb_pcidda_ao_winsn(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
struct cb_pcidda_private *devpriv = dev->private;
unsigned int command;
unsigned int channel, range;
@@ -634,6 +626,7 @@ static int cb_pcidda_ao_winsn(struct comedi_device *dev,
/* lowlevel read from eeprom */
static unsigned int cb_pcidda_serial_in(struct comedi_device *dev)
{
struct cb_pcidda_private *devpriv = dev->private;
unsigned int value = 0;
int i;
const int value_width = 16; /* number of bits wide values are */
@@ -651,6 +644,7 @@ static unsigned int cb_pcidda_serial_in(struct comedi_device *dev)
static void cb_pcidda_serial_out(struct comedi_device *dev, unsigned int value,
unsigned int num_bits)
{
struct cb_pcidda_private *devpriv = dev->private;
int i;
for (i = 1; i <= num_bits; i++) {
@@ -667,6 +661,7 @@ static void cb_pcidda_serial_out(struct comedi_device *dev, unsigned int value,
static unsigned int cb_pcidda_read_eeprom(struct comedi_device *dev,
unsigned int address)
{
struct cb_pcidda_private *devpriv = dev->private;
unsigned int i;
unsigned int cal2_bits;
unsigned int value;
@@ -703,6 +698,7 @@ static void cb_pcidda_write_caldac(struct comedi_device *dev,
unsigned int caldac, unsigned int channel,
unsigned int value)
{
struct cb_pcidda_private *devpriv = dev->private;
unsigned int cal2_bits;
unsigned int i;
/* caldacs use 3 bit channel specification */
@@ -797,6 +793,7 @@ static unsigned int eeprom_fine_byte(unsigned int word)
static void cb_pcidda_calibrate(struct comedi_device *dev, unsigned int channel,
unsigned int range)
{
struct cb_pcidda_private *devpriv = dev->private;
unsigned int coarse_offset, fine_offset, coarse_gain, fine_gain;
/* remember range so we can tell when we need to readjust calibration */