staging: comedi: refactor pcmad driver to remove forward declarations
authorH Hartley Sweeten <hartleys@visionengravers.com>
Fri, 27 Apr 2012 22:48:07 +0000 (15:48 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 30 Apr 2012 01:42:53 +0000 (21:42 -0400)
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>
drivers/staging/comedi/drivers/pcmad.c

index 23b3d77..fe8ef66 100644 (file)
@@ -57,19 +57,8 @@ struct pcmad_board_struct {
        const char *name;
        int n_ai_bits;
 };
-static const struct pcmad_board_struct pcmad_boards[] = {
-       {
-        .name = "pcmad12",
-        .n_ai_bits = 12,
-        },
-       {
-        .name = "pcmad16",
-        .n_ai_bits = 16,
-        },
-};
 
 #define this_board ((const struct pcmad_board_struct *)(dev->board_ptr))
-#define n_pcmad_boards ARRAY_SIZE(pcmad_boards)
 
 struct pcmad_priv_struct {
        int differential;
@@ -77,31 +66,6 @@ struct pcmad_priv_struct {
 };
 #define devpriv ((struct pcmad_priv_struct *)dev->private)
 
-static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it);
-static int pcmad_detach(struct comedi_device *dev);
-static struct comedi_driver driver_pcmad = {
-       .driver_name = "pcmad",
-       .module = THIS_MODULE,
-       .attach = pcmad_attach,
-       .detach = pcmad_detach,
-       .board_name = &pcmad_boards[0].name,
-       .num_names = n_pcmad_boards,
-       .offset = sizeof(pcmad_boards[0]),
-};
-
-static int __init driver_pcmad_init_module(void)
-{
-       return comedi_driver_register(&driver_pcmad);
-}
-
-static void __exit driver_pcmad_cleanup_module(void)
-{
-       comedi_driver_unregister(&driver_pcmad);
-}
-
-module_init(driver_pcmad_init_module);
-module_exit(driver_pcmad_cleanup_module);
-
 #define TIMEOUT        100
 
 static int pcmad_ai_insn_read(struct comedi_device *dev,
@@ -188,6 +152,37 @@ static int pcmad_detach(struct comedi_device *dev)
        return 0;
 }
 
+static const struct pcmad_board_struct pcmad_boards[] = {
+       {
+               .name           = "pcmad12",
+               .n_ai_bits      = 12,
+       }, {
+               .name           = "pcmad16",
+               .n_ai_bits      = 16,
+       },
+};
+static struct comedi_driver driver_pcmad = {
+       .driver_name    = "pcmad",
+       .module         = THIS_MODULE,
+       .attach         = pcmad_attach,
+       .detach         = pcmad_detach,
+       .board_name     = &pcmad_boards[0].name,
+       .num_names      = ARRAY_SIZE(pcmad_boards),
+       .offset         = sizeof(pcmad_boards[0]),
+};
+
+static int __init driver_pcmad_init_module(void)
+{
+       return comedi_driver_register(&driver_pcmad);
+}
+module_init(driver_pcmad_init_module);
+
+static void __exit driver_pcmad_cleanup_module(void)
+{
+       comedi_driver_unregister(&driver_pcmad);
+}
+module_exit(driver_pcmad_cleanup_module);
+
 MODULE_AUTHOR("Comedi http://www.comedi.org");
 MODULE_DESCRIPTION("Comedi low-level driver");
 MODULE_LICENSE("GPL");