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Subject[PATCH] staging: comedi: refactor aio_iiro_16 driver to remove forward declarations
Date
Move the struct comedi_driver variable and the associated
attach/detach routines to remove the need for the forward
declarations.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Mori Hess <fmhess@users.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---

diff --git a/drivers/staging/comedi/drivers/aio_iiro_16.c b/drivers/staging/comedi/drivers/aio_iiro_16.c
index 160b0a0..763461a 100644
--- a/drivers/staging/comedi/drivers/aio_iiro_16.c
+++ b/drivers/staging/comedi/drivers/aio_iiro_16.c
@@ -67,30 +67,41 @@ struct aio_iiro_16_private {

#define devpriv ((struct aio_iiro_16_private *) dev->private)

-static int aio_iiro_16_attach(struct comedi_device *dev,
- struct comedi_devconfig *it);
+static int aio_iiro_16_dio_insn_bits_write(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ if (insn->n != 2)
+ return -EINVAL;

-static int aio_iiro_16_detach(struct comedi_device *dev);
+ if (data[0]) {
+ s->state &= ~data[0];
+ s->state |= data[0] & data[1];
+ outb(s->state & 0xff, dev->iobase + AIO_IIRO_16_RELAY_0_7);
+ outb((s->state >> 8) & 0xff,
+ dev->iobase + AIO_IIRO_16_RELAY_8_15);
+ }

-static struct comedi_driver driver_aio_iiro_16 = {
- .driver_name = "aio_iiro_16",
- .module = THIS_MODULE,
- .attach = aio_iiro_16_attach,
- .detach = aio_iiro_16_detach,
- .board_name = &aio_iiro_16_boards[0].name,
- .offset = sizeof(struct aio_iiro_16_board),
- .num_names = ARRAY_SIZE(aio_iiro_16_boards),
-};
+ data[1] = s->state;
+
+ return 2;
+}

static int aio_iiro_16_dio_insn_bits_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
- unsigned int *data);
+ unsigned int *data)
+{
+ if (insn->n != 2)
+ return -EINVAL;

-static int aio_iiro_16_dio_insn_bits_write(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data);
+ data[1] = 0;
+ data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_0_7);
+ data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_8_15) << 8;
+
+ return 2;
+}

static int aio_iiro_16_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
@@ -148,53 +159,26 @@ static int aio_iiro_16_detach(struct comedi_device *dev)
return 0;
}

-static int aio_iiro_16_dio_insn_bits_write(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- if (insn->n != 2)
- return -EINVAL;
-
- if (data[0]) {
- s->state &= ~data[0];
- s->state |= data[0] & data[1];
- outb(s->state & 0xff, dev->iobase + AIO_IIRO_16_RELAY_0_7);
- outb((s->state >> 8) & 0xff,
- dev->iobase + AIO_IIRO_16_RELAY_8_15);
- }
-
- data[1] = s->state;
-
- return 2;
-}
-
-static int aio_iiro_16_dio_insn_bits_read(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- if (insn->n != 2)
- return -EINVAL;
-
- data[1] = 0;
- data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_0_7);
- data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_8_15) << 8;
-
- return 2;
-}
+static struct comedi_driver driver_aio_iiro_16 = {
+ .driver_name = "aio_iiro_16",
+ .module = THIS_MODULE,
+ .attach = aio_iiro_16_attach,
+ .detach = aio_iiro_16_detach,
+ .board_name = &aio_iiro_16_boards[0].name,
+ .offset = sizeof(struct aio_iiro_16_board),
+ .num_names = ARRAY_SIZE(aio_iiro_16_boards),
+};

static int __init driver_aio_iiro_16_init_module(void)
{
return comedi_driver_register(&driver_aio_iiro_16);
}
+module_init(driver_aio_iiro_16_init_module);

static void __exit driver_aio_iiro_16_cleanup_module(void)
{
comedi_driver_unregister(&driver_aio_iiro_16);
}
-
-module_init(driver_aio_iiro_16_init_module);
module_exit(driver_aio_iiro_16_cleanup_module);

MODULE_AUTHOR("Comedi http://www.comedi.org");

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