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staging: comedi: ni_labpc: remove thisboard macro

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The 'thisboard' macro relies on a local variable having a specific
name and yields a pointer derived from that local variable.

Replace the macro with a local variable and use the comedi_board()
helper to get the const pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-03-22 09:34:39 -07:00 committed by Greg Kroah-Hartman
parent f65d971dfb
commit d72da604af
1 changed files with 10 additions and 5 deletions
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15
drivers/staging/comedi/drivers/ni_labpc.c
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@ -479,11 +479,6 @@ static const struct labpc_boardinfo labpc_boards[] = {
#endif
};
/*
* Useful for shorthand access to the particular board structure
*/
#define thisboard ((struct labpc_boardinfo *)dev->board_ptr)
/* size in bytes of dma buffer */
static const int dma_buffer_size = 0xff00;
/* 2 bytes per sample */
@ -494,6 +489,8 @@ static inline int labpc_counter_load(struct comedi_device *dev,
unsigned int counter_number,
unsigned int count, unsigned int mode)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
if (thisboard->memory_mapped_io)
return i8254_mm_load((void __iomem *)base_address, 0,
counter_number, count, mode);
@ -504,6 +501,7 @@ static inline int labpc_counter_load(struct comedi_device *dev,
int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
unsigned int irq, unsigned int dma_chan)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv = dev->private;
struct comedi_subdevice *s;
int i;
@ -733,6 +731,7 @@ static int labpc_auto_attach(struct comedi_device *dev,
static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv;
unsigned long iobase = 0;
unsigned int irq = 0;
@ -780,6 +779,7 @@ static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
void labpc_common_detach(struct comedi_device *dev)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv = dev->private;
struct comedi_subdevice *s;
@ -995,6 +995,7 @@ static void labpc_set_ai_scan_period(struct comedi_cmd *cmd,
static int labpc_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
int err = 0;
int tmp, tmp2;
unsigned int stop_mask;
@ -1092,6 +1093,7 @@ static int labpc_ai_cmdtest(struct comedi_device *dev,
static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv = dev->private;
int channel, range, aref;
#ifdef CONFIG_ISA_DMA_API
@ -1362,6 +1364,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
static irqreturn_t labpc_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
struct comedi_async *async;
@ -1569,6 +1572,7 @@ static void labpc_drain_dregs(struct comedi_device *dev)
static int labpc_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv = dev->private;
int i, n;
int chan, range;
@ -1659,6 +1663,7 @@ static int labpc_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
static int labpc_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
const struct labpc_boardinfo *thisboard = comedi_board(dev);
struct labpc_private *devpriv = dev->private;
int channel, range;
unsigned long flags;