[PATCH 1/4] staging: comedi: comedi_parport: remove devpriv macro

From: H Hartley Sweeten
Date: Mon Aug 20 2012 - 17:30:20 EST


This macro relies on a local variable having a specific name, Remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/comedi_parport.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/comedi_parport.c b/drivers/staging/comedi/drivers/comedi_parport.c
index 9a63cac..fcad423 100644
--- a/drivers/staging/comedi/drivers/comedi_parport.c
+++ b/drivers/staging/comedi/drivers/comedi_parport.c
@@ -96,11 +96,12 @@ struct parport_private {
unsigned int c_data;
int enable_irq;
};
-#define devpriv ((struct parport_private *)(dev->private))

static int parport_insn_a(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct parport_private *devpriv = dev->private;
+
if (data[0]) {
devpriv->a_data &= ~data[0];
devpriv->a_data |= (data[0] & data[1]);
@@ -117,6 +118,8 @@ static int parport_insn_config_a(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct parport_private *devpriv = dev->private;
+
if (data[0]) {
s->io_bits = 0xff;
devpriv->c_data &= ~(1 << 5);
@@ -145,6 +148,8 @@ static int parport_insn_b(struct comedi_device *dev, struct comedi_subdevice *s,
static int parport_insn_c(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct parport_private *devpriv = dev->private;
+
data[0] &= 0x0f;
if (data[0]) {
devpriv->c_data &= ~data[0];
@@ -245,6 +250,8 @@ static int parport_intr_cmdtest(struct comedi_device *dev,
static int parport_intr_cmd(struct comedi_device *dev,
struct comedi_subdevice *s)
{
+ struct parport_private *devpriv = dev->private;
+
devpriv->c_data |= 0x10;
outb(devpriv->c_data, dev->iobase + PARPORT_C);

@@ -256,6 +263,8 @@ static int parport_intr_cmd(struct comedi_device *dev,
static int parport_intr_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
+ struct parport_private *devpriv = dev->private;
+
printk(KERN_DEBUG "parport_intr_cancel()\n");

devpriv->c_data &= ~0x10;
@@ -269,6 +278,7 @@ static int parport_intr_cancel(struct comedi_device *dev,
static irqreturn_t parport_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
+ struct parport_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->subdevices + 3;

if (!devpriv->enable_irq) {
@@ -286,6 +296,7 @@ static irqreturn_t parport_interrupt(int irq, void *d)
static int parport_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
+ struct parport_private *devpriv;
int ret;
unsigned int irq;
unsigned long iobase;
@@ -316,9 +327,10 @@ static int parport_attach(struct comedi_device *dev,
if (ret)
return ret;

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

s = dev->subdevices + 0;
s->type = COMEDI_SUBD_DIO;
--
1.7.11

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