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Subject[PATCH 1/4] staging: comedi: aio_aio12_8: remove devpriv macro
Date
This macro relies on a local variable having a specific name. Remove
it.

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/aio_aio12_8.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/aio_aio12_8.c b/drivers/staging/comedi/drivers/aio_aio12_8.c
index f7d453f..71364c6 100644
--- a/drivers/staging/comedi/drivers/aio_aio12_8.c
+++ b/drivers/staging/comedi/drivers/aio_aio12_8.c
@@ -84,8 +84,6 @@ struct aio12_8_private {
unsigned int ao_readback[4];
};

-#define devpriv ((struct aio12_8_private *) dev->private)
-
static int aio_aio12_8_ai_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
@@ -125,6 +123,7 @@ static int aio_aio12_8_ao_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct aio12_8_private *devpriv = dev->private;
int i;
int val = devpriv->ao_readback[CR_CHAN(insn->chanspec)];

@@ -137,6 +136,7 @@ static int aio_aio12_8_ao_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct aio12_8_private *devpriv = dev->private;
int i;
int chan = CR_CHAN(insn->chanspec);
unsigned long port = dev->iobase + AIO12_8_DAC_0 + (2 * chan);
@@ -166,6 +166,7 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
const struct aio12_8_boardtype *board = comedi_board(dev);
+ struct aio12_8_private *devpriv;
int iobase;
struct comedi_subdevice *s;
int ret;
@@ -180,8 +181,10 @@ static int aio_aio12_8_attach(struct comedi_device *dev,

dev->iobase = iobase;

- if (alloc_private(dev, sizeof(struct aio12_8_private)) < 0)
- return -ENOMEM;
+ ret = alloc_private(dev, sizeof(*devpriv));
+ if (ret)
+ return ret;
+ devpriv = dev->private;

ret = comedi_alloc_subdevices(dev, 3);
if (ret)
--
1.7.11


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