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Subject[PATCH 02/20] staging: comedi: adv_pci1710: remove devpriv and this_board macros
Date
These macros rely on a local variable having a specific name. Remove
them and use the comedi_board() helper to get the this_board pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/comedi/drivers/adv_pci1710.c | 44 ++++++++++++++++++++++++----
1 file changed, 39 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 7c4f0de..7f27c59 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -269,9 +269,6 @@ struct pci1710_private {
* internal state */
};

-#define devpriv ((struct pci1710_private *)dev->private)
-#define this_board ((const struct boardtype *)dev->board_ptr)
-
/*
==============================================================================
*/
@@ -304,8 +301,10 @@ static int pci171x_insn_read_ai(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct pci1710_private *devpriv = dev->private;
int n, timeout;
#ifdef PCI171x_PARANOIDCHECK
+ const struct boardtype *this_board = comedi_board(dev);
unsigned int idata;
#endif

@@ -359,6 +358,7 @@ static int pci171x_insn_write_ao(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct pci1710_private *devpriv = dev->private;
int n, chan, range, ofs;

chan = CR_CHAN(insn->chanspec);
@@ -391,6 +391,7 @@ static int pci171x_insn_read_ao(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct pci1710_private *devpriv = dev->private;
int n, chan;

chan = CR_CHAN(insn->chanspec);
@@ -461,6 +462,7 @@ static int pci171x_insn_counter_write(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
+ struct pci1710_private *devpriv = dev->private;
uint msb, lsb, ccntrl, status;

lsb = data[0] & 0x00FF;
@@ -492,6 +494,7 @@ static int pci171x_insn_counter_config(struct comedi_device *dev,
{
#ifdef unused
/* This doesn't work like a normal Comedi counter config */
+ struct pci1710_private *devpriv = dev->private;
uint ccntrl = 0;

devpriv->cnt0_write_wait = data[0] & 0x20;
@@ -527,6 +530,7 @@ static int pci1720_insn_write_ao(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct pci1710_private *devpriv = dev->private;
int n, rangereg, chan;

chan = CR_CHAN(insn->chanspec);
@@ -553,9 +557,11 @@ static int pci1720_insn_write_ao(struct comedi_device *dev,
static void interrupt_pci1710_every_sample(void *d)
{
struct comedi_device *dev = d;
+ struct pci1710_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->subdevices + 0;
int m;
#ifdef PCI171x_PARANOIDCHECK
+ const struct boardtype *this_board = comedi_board(dev);
short sampl;
#endif

@@ -633,8 +639,10 @@ static void interrupt_pci1710_every_sample(void *d)
static int move_block_from_fifo(struct comedi_device *dev,
struct comedi_subdevice *s, int n, int turn)
{
+ struct pci1710_private *devpriv = dev->private;
int i, j;
#ifdef PCI171x_PARANOIDCHECK
+ const struct boardtype *this_board = comedi_board(dev);
int sampl;
#endif

@@ -677,6 +685,8 @@ static int move_block_from_fifo(struct comedi_device *dev,
static void interrupt_pci1710_half_fifo(void *d)
{
struct comedi_device *dev = d;
+ const struct boardtype *this_board = comedi_board(dev);
+ struct pci1710_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->subdevices + 0;
int m, samplesinbuf;

@@ -731,6 +741,7 @@ static void interrupt_pci1710_half_fifo(void *d)
static irqreturn_t interrupt_service_pci1710(int irq, void *d)
{
struct comedi_device *dev = d;
+ struct pci1710_private *devpriv = dev->private;

if (!dev->attached) /* is device attached? */
return IRQ_NONE; /* no, exit */
@@ -766,6 +777,8 @@ static irqreturn_t interrupt_service_pci1710(int irq, void *d)
static int pci171x_ai_docmd_and_mode(int mode, struct comedi_device *dev,
struct comedi_subdevice *s)
{
+ const struct boardtype *this_board = comedi_board(dev);
+ struct pci1710_private *devpriv = dev->private;
unsigned int divisor1 = 0, divisor2 = 0;
unsigned int seglen;

@@ -846,6 +859,8 @@ static int pci171x_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
+ const struct boardtype *this_board = comedi_board(dev);
+ struct pci1710_private *devpriv = dev->private;
int err = 0;
int tmp;
unsigned int divisor1 = 0, divisor2 = 0;
@@ -981,6 +996,7 @@ static int pci171x_ai_cmdtest(struct comedi_device *dev,
*/
static int pci171x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
+ struct pci1710_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;

devpriv->ai_n_chan = cmd->chanlist_len;
@@ -1075,6 +1091,8 @@ static void setup_channel_list(struct comedi_device *dev,
unsigned int *chanlist, unsigned int n_chan,
unsigned int seglen)
{
+ const struct boardtype *this_board = comedi_board(dev);
+ struct pci1710_private *devpriv = dev->private;
unsigned int i, range, chanprog;

devpriv->act_chanlist_len = seglen;
@@ -1128,6 +1146,9 @@ static void start_pacer(struct comedi_device *dev, int mode,
static int pci171x_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
+ const struct boardtype *this_board = comedi_board(dev);
+ struct pci1710_private *devpriv = dev->private;
+
switch (this_board->cardtype) {
default:
devpriv->CntrlReg &= Control_CNT0;
@@ -1154,6 +1175,9 @@ static int pci171x_ai_cancel(struct comedi_device *dev,
*/
static int pci171x_reset(struct comedi_device *dev)
{
+ const struct boardtype *this_board = comedi_board(dev);
+ struct pci1710_private *devpriv = dev->private;
+
outw(0x30, dev->iobase + PCI171x_CNTCTRL);
devpriv->CntrlReg = Control_SW | Control_CNT0; /* Software trigger, CNT0=external */
outw(devpriv->CntrlReg, dev->iobase + PCI171x_CONTROL); /* reset any operations */
@@ -1182,6 +1206,8 @@ static int pci171x_reset(struct comedi_device *dev)
*/
static int pci1720_reset(struct comedi_device *dev)
{
+ struct pci1710_private *devpriv = dev->private;
+
outb(Syncont_SC0, dev->iobase + PCI1720_SYNCONT); /* set synchronous output mode */
devpriv->da_ranges = 0xAA;
outb(devpriv->da_ranges, dev->iobase + PCI1720_RANGE); /* set all ranges to +/-5V */
@@ -1202,6 +1228,8 @@ static int pci1720_reset(struct comedi_device *dev)
*/
static int pci1710_reset(struct comedi_device *dev)
{
+ const struct boardtype *this_board = comedi_board(dev);
+
switch (this_board->cardtype) {
case TYPE_PCI1720:
return pci1720_reset(dev);
@@ -1213,6 +1241,7 @@ static int pci1710_reset(struct comedi_device *dev)
static struct pci_dev *pci1710_find_pci_dev(struct comedi_device *dev,
struct comedi_devconfig *it)
{
+ const struct boardtype *this_board = comedi_board(dev);
struct pci_dev *pcidev = NULL;
int bus = it->options[0];
int slot = it->options[1];
@@ -1252,6 +1281,8 @@ static struct pci_dev *pci1710_find_pci_dev(struct comedi_device *dev,
static int pci1710_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
+ const struct boardtype *this_board;
+ struct pci1710_private *devpriv;
struct pci_dev *pcidev;
struct comedi_subdevice *s;
int ret, subdev, n_subdevices;
@@ -1259,14 +1290,16 @@ static int pci1710_attach(struct comedi_device *dev,

dev_info(dev->class_dev, DRV_NAME ": attach\n");

- ret = alloc_private(dev, sizeof(struct pci1710_private));
+ ret = alloc_private(dev, sizeof(*devpriv));
if (ret < 0)
return -ENOMEM;
+ devpriv = dev->private;

pcidev = pci1710_find_pci_dev(dev, it);
if (!pcidev)
return -EIO;
comedi_set_hw_dev(dev, &pcidev->dev);
+ this_board = comedi_board(dev);

ret = comedi_pci_enable(pcidev, DRV_NAME);
if (ret)
@@ -1408,9 +1441,10 @@ static int pci1710_attach(struct comedi_device *dev,

static void pci1710_detach(struct comedi_device *dev)
{
+ struct pci1710_private *devpriv = dev->private;
struct pci_dev *pcidev = comedi_to_pci_dev(dev);

- if (dev->private) {
+ if (devpriv) {
if (devpriv->valid)
pci1710_reset(dev);
if (dev->irq)
--
1.7.11


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