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staging: comedi: refactor adl_pci7230 driver to remove forward declar…
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…ations

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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H Hartley Sweeten authored and Greg Kroah-Hartman committed Apr 24, 2012
1 parent db0eaee commit a10a5d6
Showing 1 changed file with 40 additions and 57 deletions.
97 changes: 40 additions & 57 deletions drivers/staging/comedi/drivers/adl_pci7230.c
Original file line number Diff line number Diff line change
Expand Up @@ -43,41 +43,43 @@ Configuration Options:

#define PCI_DEVICE_ID_PCI7230 0x7230

static DEFINE_PCI_DEVICE_TABLE(adl_pci7230_pci_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7230) },
{0}
};

MODULE_DEVICE_TABLE(pci, adl_pci7230_pci_table);

struct adl_pci7230_private {
int data;
struct pci_dev *pci_dev;
};

#define devpriv ((struct adl_pci7230_private *)dev->private)

static int adl_pci7230_attach(struct comedi_device *dev,
struct comedi_devconfig *it);
static int adl_pci7230_detach(struct comedi_device *dev);
static struct comedi_driver driver_adl_pci7230 = {
.driver_name = "adl_pci7230",
.module = THIS_MODULE,
.attach = adl_pci7230_attach,
.detach = adl_pci7230_detach,
};
static int adl_pci7230_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
if (insn->n != 2)
return -EINVAL;

/* Digital IO */
if (data[0]) {
s->state &= ~data[0];
s->state |= (data[0] & data[1]);

outl((s->state << 16) & 0xffffffff, dev->iobase + PCI7230_DO);
}

return 2;
}

static int adl_pci7230_di_insn_bits(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 adl_pci7230_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data);
data[1] = inl(dev->iobase + PCI7230_DI) & 0xffffffff;

return 2;
}

static int adl_pci7230_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
Expand Down Expand Up @@ -161,36 +163,12 @@ static int adl_pci7230_detach(struct comedi_device *dev)
return 0;
}

static int adl_pci7230_do_insn_bits(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]);

outl((s->state << 16) & 0xffffffff, dev->iobase + PCI7230_DO);
}

return 2;
}

static int adl_pci7230_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
if (insn->n != 2)
return -EINVAL;

data[1] = inl(dev->iobase + PCI7230_DI) & 0xffffffff;

return 2;
}
static struct comedi_driver driver_adl_pci7230 = {
.driver_name = "adl_pci7230",
.module = THIS_MODULE,
.attach = adl_pci7230_attach,
.detach = adl_pci7230_detach,
};

static int __devinit driver_adl_pci7230_pci_probe(struct pci_dev *dev,
const struct pci_device_id
Expand All @@ -204,10 +182,16 @@ static void __devexit driver_adl_pci7230_pci_remove(struct pci_dev *dev)
comedi_pci_auto_unconfig(dev);
}

static DEFINE_PCI_DEVICE_TABLE(adl_pci7230_pci_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7230) },
{0}
};
MODULE_DEVICE_TABLE(pci, adl_pci7230_pci_table);

static struct pci_driver driver_adl_pci7230_pci_driver = {
.id_table = adl_pci7230_pci_table,
.probe = &driver_adl_pci7230_pci_probe,
.remove = __devexit_p(&driver_adl_pci7230_pci_remove)
.id_table = adl_pci7230_pci_table,
.probe = driver_adl_pci7230_pci_probe,
.remove = __devexit_p(driver_adl_pci7230_pci_remove)
};

static int __init driver_adl_pci7230_init_module(void)
Expand All @@ -222,14 +206,13 @@ static int __init driver_adl_pci7230_init_module(void)
(char *)driver_adl_pci7230.driver_name;
return pci_register_driver(&driver_adl_pci7230_pci_driver);
}
module_init(driver_adl_pci7230_init_module);

static void __exit driver_adl_pci7230_cleanup_module(void)
{
pci_unregister_driver(&driver_adl_pci7230_pci_driver);
comedi_driver_unregister(&driver_adl_pci7230);
}

module_init(driver_adl_pci7230_init_module);
module_exit(driver_adl_pci7230_cleanup_module);

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

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