linux-kernel - [PATCH v2] staging: comedi: refactor dt2817 driver to remove forward declarations

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Date:	Fri, 27 Apr 2012 17:57:16 -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 v2] staging: comedi: refactor dt2817 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>

---

v2: I fat fingered the previous one and included another patch

diff --git a/drivers/staging/comedi/drivers/dt2817.c b/drivers/staging/comedi/drivers/dt2817.c
index 99c1584..45d9a82 100644
--- a/drivers/staging/comedi/drivers/dt2817.c
+++ b/drivers/staging/comedi/drivers/dt2817.c
@@ -47,29 +47,6 @@ Configuration options:
 #define DT2817_CR 0
 #define DT2817_DATA 1
 
-static int dt2817_attach(struct comedi_device *dev,
-			 struct comedi_devconfig *it);
-static int dt2817_detach(struct comedi_device *dev);
-static struct comedi_driver driver_dt2817 = {
-	.driver_name = "dt2817",
-	.module = THIS_MODULE,
-	.attach = dt2817_attach,
-	.detach = dt2817_detach,
-};
-
-static int __init driver_dt2817_init_module(void)
-{
-	return comedi_driver_register(&driver_dt2817);
-}
-
-static void __exit driver_dt2817_cleanup_module(void)
-{
-	comedi_driver_unregister(&driver_dt2817);
-}
-
-module_init(driver_dt2817_init_module);
-module_exit(driver_dt2817_cleanup_module);
-
 static int dt2817_dio_insn_config(struct comedi_device *dev,
 				  struct comedi_subdevice *s,
 				  struct comedi_insn *insn, unsigned int *data)
@@ -192,6 +169,25 @@ static int dt2817_detach(struct comedi_device *dev)
 	return 0;
 }
 
+static struct comedi_driver driver_dt2817 = {
+	.driver_name	= "dt2817",
+	.module		= THIS_MODULE,
+	.attach		= dt2817_attach,
+	.detach		= dt2817_detach,
+};
+
+static int __init driver_dt2817_init_module(void)
+{
+	return comedi_driver_register(&driver_dt2817);
+}
+module_init(driver_dt2817_init_module);
+
+static void __exit driver_dt2817_cleanup_module(void)
+{
+	comedi_driver_unregister(&driver_dt2817);
+}
+module_exit(driver_dt2817_cleanup_module);
+
 MODULE_AUTHOR("Comedi http://www.comedi.org");
 MODULE_DESCRIPTION("Comedi low-level driver");
 MODULE_LICENSE("GPL");
--
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