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staging: comedi: refactor pcl730 driver to remove forward declarations

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Move the module_init/module_exit routines and the associated
struct comedi_driver and other variables to the end of the source.
This is more typical of how other drivers are written and removes
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-04-27 16:21:21 -07:00 committed by Greg Kroah-Hartman
parent 2bc62b677a
commit 4c6dacbd38
1 changed files with 28 additions and 33 deletions
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61
drivers/staging/comedi/drivers/pcl730.c
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@ -26,47 +26,14 @@ The ACL-7130 card have an 8254 timer/counter not supported by this driver.
#define PCL730_DIO_LO 2 /* TTL Digital I/O low byte (D0-D7) */ #define PCL730_DIO_LO 2 /* TTL Digital I/O low byte (D0-D7) */
#define PCL730_DIO_HI 3 /* TTL Digital I/O high byte (D8-D15) */ #define PCL730_DIO_HI 3 /* TTL Digital I/O high byte (D8-D15) */
static int pcl730_attach(struct comedi_device *dev,
struct comedi_devconfig *it);
static int pcl730_detach(struct comedi_device *dev);
struct pcl730_board { struct pcl730_board {
const char *name; /* board name */ const char *name; /* board name */
unsigned int io_range; /* len of I/O space */ unsigned int io_range; /* len of I/O space */
}; };
static const struct pcl730_board boardtypes[] = {
{"pcl730", PCL730_SIZE,},
{"iso730", PCL730_SIZE,},
{"acl7130", ACL7130_SIZE,},
};
#define this_board ((const struct pcl730_board *)dev->board_ptr) #define this_board ((const struct pcl730_board *)dev->board_ptr)
static struct comedi_driver driver_pcl730 = {
.driver_name = "pcl730",
.module = THIS_MODULE,
.attach = pcl730_attach,
.detach = pcl730_detach,
.board_name = &boardtypes[0].name,
.num_names = ARRAY_SIZE(boardtypes),
.offset = sizeof(struct pcl730_board),
};
static int __init driver_pcl730_init_module(void)
{
return comedi_driver_register(&driver_pcl730);
}
static void __exit driver_pcl730_cleanup_module(void)
{
comedi_driver_unregister(&driver_pcl730);
}
module_init(driver_pcl730_init_module);
module_exit(driver_pcl730_cleanup_module);
static int pcl730_do_insn(struct comedi_device *dev, struct comedi_subdevice *s, static int pcl730_do_insn(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data) struct comedi_insn *insn, unsigned int *data)
{ {
@ -177,6 +144,34 @@ static int pcl730_detach(struct comedi_device *dev)
return 0; return 0;
} }
static const struct pcl730_board boardtypes[] = {
{ "pcl730", PCL730_SIZE, },
{ "iso730", PCL730_SIZE, },
{ "acl7130", ACL7130_SIZE, },
};
static struct comedi_driver driver_pcl730 = {
.driver_name = "pcl730",
.module = THIS_MODULE,
.attach = pcl730_attach,
.detach = pcl730_detach,
.board_name = &boardtypes[0].name,
.num_names = ARRAY_SIZE(boardtypes),
.offset = sizeof(struct pcl730_board),
};
static int __init driver_pcl730_init_module(void)
{
return comedi_driver_register(&driver_pcl730);
}
module_init(driver_pcl730_init_module);
static void __exit driver_pcl730_cleanup_module(void)
{
comedi_driver_unregister(&driver_pcl730);
}
module_exit(driver_pcl730_cleanup_module);
MODULE_AUTHOR("Comedi http://www.comedi.org"); MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver"); MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");