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Message-ID: <201204271735.23271.hartleys@visionengravers.com>
Date: Fri, 27 Apr 2012 17:35:22 -0700
From: H Hartley Sweeten <hartleys@...ionengravers.com>
To: Linux Kernel <linux-kernel@...r.kernel.org>
CC: <devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH] staging: comedi: refactor ke_counter driver to remove forward declarations
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@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
diff --git a/drivers/staging/comedi/drivers/ke_counter.c b/drivers/staging/comedi/drivers/ke_counter.c
index fef6ea7..0db76a5 100644
--- a/drivers/staging/comedi/drivers/ke_counter.c
+++ b/drivers/staging/comedi/drivers/ke_counter.c
@@ -46,18 +46,6 @@ Kolter Electronic PCI Counter Card.
#define PCI_VENDOR_ID_KOLTER 0x1001
#define CNT_CARD_DEVICE_ID 0x0014
-/*-- function prototypes ----------------------------------------------------*/
-
-static int cnt_attach(struct comedi_device *dev, struct comedi_devconfig *it);
-static int cnt_detach(struct comedi_device *dev);
-
-static DEFINE_PCI_DEVICE_TABLE(cnt_pci_table) = {
- { PCI_DEVICE(PCI_VENDOR_ID_KOLTER, CNT_CARD_DEVICE_ID) },
- {0}
-};
-
-MODULE_DEVICE_TABLE(pci, cnt_pci_table);
-
/*-- board specification structure ------------------------------------------*/
struct cnt_board_struct {
@@ -87,51 +75,6 @@ struct cnt_device_private {
#define devpriv ((struct cnt_device_private *)dev->private)
-static struct comedi_driver cnt_driver = {
- .driver_name = CNT_DRIVER_NAME,
- .module = THIS_MODULE,
- .attach = cnt_attach,
- .detach = cnt_detach,
-};
-
-static int __devinit cnt_driver_pci_probe(struct pci_dev *dev,
- const struct pci_device_id *ent)
-{
- return comedi_pci_auto_config(dev, &cnt_driver);
-}
-
-static void __devexit cnt_driver_pci_remove(struct pci_dev *dev)
-{
- comedi_pci_auto_unconfig(dev);
-}
-
-static struct pci_driver cnt_driver_pci_driver = {
- .id_table = cnt_pci_table,
- .probe = &cnt_driver_pci_probe,
- .remove = __devexit_p(&cnt_driver_pci_remove)
-};
-
-static int __init cnt_driver_init_module(void)
-{
- int retval;
-
- retval = comedi_driver_register(&cnt_driver);
- if (retval < 0)
- return retval;
-
- cnt_driver_pci_driver.name = (char *)cnt_driver.driver_name;
- return pci_register_driver(&cnt_driver_pci_driver);
-}
-
-static void __exit cnt_driver_cleanup_module(void)
-{
- pci_unregister_driver(&cnt_driver_pci_driver);
- comedi_driver_unregister(&cnt_driver);
-}
-
-module_init(cnt_driver_init_module);
-module_exit(cnt_driver_cleanup_module);
-
/*-- counter write ----------------------------------------------------------*/
/* This should be used only for resetting the counters; maybe it is better
@@ -181,8 +124,6 @@ static int cnt_rinsn(struct comedi_device *dev,
return 1;
}
-/*-- attach -----------------------------------------------------------------*/
-
static int cnt_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct comedi_subdevice *subdevice;
@@ -278,8 +219,6 @@ found:
return 0;
}
-/*-- detach -----------------------------------------------------------------*/
-
static int cnt_detach(struct comedi_device *dev)
{
if (devpriv && devpriv->pcidev) {
@@ -292,6 +231,56 @@ static int cnt_detach(struct comedi_device *dev)
return 0;
}
+static struct comedi_driver cnt_driver = {
+ .driver_name = CNT_DRIVER_NAME,
+ .module = THIS_MODULE,
+ .attach = cnt_attach,
+ .detach = cnt_detach,
+};
+
+static int __devinit cnt_driver_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *ent)
+{
+ return comedi_pci_auto_config(dev, &cnt_driver);
+}
+
+static void __devexit cnt_driver_pci_remove(struct pci_dev *dev)
+{
+ comedi_pci_auto_unconfig(dev);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(cnt_pci_table) = {
+ { PCI_DEVICE(PCI_VENDOR_ID_KOLTER, CNT_CARD_DEVICE_ID) },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(pci, cnt_pci_table);
+
+static struct pci_driver cnt_driver_pci_driver = {
+ .id_table = cnt_pci_table,
+ .probe = cnt_driver_pci_probe,
+ .remove = __devexit_p(cnt_driver_pci_remove),
+};
+
+static int __init cnt_driver_init_module(void)
+{
+ int retval;
+
+ retval = comedi_driver_register(&cnt_driver);
+ if (retval < 0)
+ return retval;
+
+ cnt_driver_pci_driver.name = (char *)cnt_driver.driver_name;
+ return pci_register_driver(&cnt_driver_pci_driver);
+}
+module_init(cnt_driver_init_module);
+
+static void __exit cnt_driver_cleanup_module(void)
+{
+ pci_unregister_driver(&cnt_driver_pci_driver);
+ comedi_driver_unregister(&cnt_driver);
+}
+module_exit(cnt_driver_cleanup_module);
+
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
--
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