* [PATCH] staging: comedi: refactor adl_pci7432 driver to remove forward declarations
@ 2012-04-23 22:31 H Hartley Sweeten
0 siblings, 0 replies; only message in thread
From: H Hartley Sweeten @ 2012-04-23 22:31 UTC (permalink / raw)
To: Linux Kernel; +Cc: devel, abbotti, fmhess, gregkh
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/adl_pci7432.c b/drivers/staging/comedi/drivers/adl_pci7432.c
index 1e0db48..db15ec6e 100644
--- a/drivers/staging/comedi/drivers/adl_pci7432.c
+++ b/drivers/staging/comedi/drivers/adl_pci7432.c
@@ -43,13 +43,6 @@ Configuration Options:
#define PCI_DEVICE_ID_PCI7432 0x7432
-static DEFINE_PCI_DEVICE_TABLE(adl_pci7432_pci_table) = {
- { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7432) },
- {0}
-};
-
-MODULE_DEVICE_TABLE(pci, adl_pci7432_pci_table);
-
struct adl_pci7432_private {
int data;
struct pci_dev *pci_dev;
@@ -57,29 +50,44 @@ struct adl_pci7432_private {
#define devpriv ((struct adl_pci7432_private *)dev->private)
-static int adl_pci7432_attach(struct comedi_device *dev,
- struct comedi_devconfig *it);
-static int adl_pci7432_detach(struct comedi_device *dev);
-static struct comedi_driver driver_adl_pci7432 = {
- .driver_name = "adl_pci7432",
- .module = THIS_MODULE,
- .attach = adl_pci7432_attach,
- .detach = adl_pci7432_detach,
-};
+static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ printk(KERN_DEBUG "comedi: pci7432_do_insn_bits called\n");
+ printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
+
+ if (insn->n != 2)
+ return -EINVAL;
-/* Digital IO */
+ if (data[0]) {
+ s->state &= ~data[0];
+ s->state |= (data[0] & data[1]);
+
+ printk(KERN_DEBUG "comedi: out: %8x on iobase %4lx\n", s->state,
+ dev->iobase + PCI7432_DO);
+ outl(s->state & 0xffffffff, dev->iobase + PCI7432_DO);
+ }
+ return 2;
+}
static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
- unsigned int *data);
+ unsigned int *data)
+{
+ printk(KERN_DEBUG "comedi: pci7432_di_insn_bits called\n");
+ printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
-static int adl_pci7432_do_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 + PCI7432_DI) & 0xffffffff;
+ printk(KERN_DEBUG "comedi: data1 %8x\n", data[1]);
+
+ return 2;
+}
static int adl_pci7432_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
@@ -166,44 +174,12 @@ static int adl_pci7432_detach(struct comedi_device *dev)
return 0;
}
-static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- printk(KERN_DEBUG "comedi: pci7432_do_insn_bits called\n");
- printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
-
- if (insn->n != 2)
- return -EINVAL;
-
- if (data[0]) {
- s->state &= ~data[0];
- s->state |= (data[0] & data[1]);
-
- printk(KERN_DEBUG "comedi: out: %8x on iobase %4lx\n", s->state,
- dev->iobase + PCI7432_DO);
- outl(s->state & 0xffffffff, dev->iobase + PCI7432_DO);
- }
- return 2;
-}
-
-static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- printk(KERN_DEBUG "comedi: pci7432_di_insn_bits called\n");
- printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
-
- if (insn->n != 2)
- return -EINVAL;
-
- data[1] = inl(dev->iobase + PCI7432_DI) & 0xffffffff;
- printk(KERN_DEBUG "comedi: data1 %8x\n", data[1]);
-
- return 2;
-}
+static struct comedi_driver driver_adl_pci7432 = {
+ .driver_name = "adl_pci7432",
+ .module = THIS_MODULE,
+ .attach = adl_pci7432_attach,
+ .detach = adl_pci7432_detach,
+};
static int __devinit driver_adl_pci7432_pci_probe(struct pci_dev *dev,
const struct pci_device_id
@@ -217,10 +193,16 @@ static void __devexit driver_adl_pci7432_pci_remove(struct pci_dev *dev)
comedi_pci_auto_unconfig(dev);
}
+static DEFINE_PCI_DEVICE_TABLE(adl_pci7432_pci_table) = {
+ { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7432) },
+ {0}
+};
+MODULE_DEVICE_TABLE(pci, adl_pci7432_pci_table);
+
static struct pci_driver driver_adl_pci7432_pci_driver = {
- .id_table = adl_pci7432_pci_table,
- .probe = &driver_adl_pci7432_pci_probe,
- .remove = __devexit_p(&driver_adl_pci7432_pci_remove)
+ .id_table = adl_pci7432_pci_table,
+ .probe = driver_adl_pci7432_pci_probe,
+ .remove = __devexit_p(driver_adl_pci7432_pci_remove)
};
static int __init driver_adl_pci7432_init_module(void)
@@ -235,14 +217,13 @@ static int __init driver_adl_pci7432_init_module(void)
(char *)driver_adl_pci7432.driver_name;
return pci_register_driver(&driver_adl_pci7432_pci_driver);
}
+module_init(driver_adl_pci7432_init_module);
static void __exit driver_adl_pci7432_cleanup_module(void)
{
pci_unregister_driver(&driver_adl_pci7432_pci_driver);
comedi_driver_unregister(&driver_adl_pci7432);
}
-
-module_init(driver_adl_pci7432_init_module);
module_exit(driver_adl_pci7432_cleanup_module);
MODULE_AUTHOR("Comedi http://www.comedi.org");
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