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Message-ID: <201204271617.22739.hartleys@visionengravers.com>
Date: Fri, 27 Apr 2012 16:17:22 -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 pcl812 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>
---
There are still some forward declarations in this file but fixing them
in this patch makes in to messy for review.
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index 555d0df..85463e2 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -316,10 +316,6 @@ static const struct comedi_lrange range_a821pgh_ai = { 4, {
}
};
-static int pcl812_attach(struct comedi_device *dev,
- struct comedi_devconfig *it);
-static int pcl812_detach(struct comedi_device *dev);
-
struct pcl812_board {
const char *name; /* board name */
@@ -340,88 +336,8 @@ struct pcl812_board {
unsigned char haveMPC508; /* 1=board use MPC508A multiplexor */
};
-static const struct pcl812_board boardtypes[] = {
- {"pcl812", boardPCL812, 16, 0, 2, 16, 16, 0x0fff,
- 33000, 500, &range_bipolar10, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"pcl812pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
- 33000, 500, &range_pcl812pg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"acl8112pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
- 10000, 500, &range_pcl812pg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"acl8112dg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
- {"acl8112hg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
- {"a821pgl", boardA821, 16, 8, 1, 16, 16, 0x0fff,
- 10000, 500, &range_pcl813b_ai, &range_unipolar5,
- 0x000c, 0x00, PCLx1x_IORANGE, 0},
- {"a821pglnda", boardA821, 16, 8, 0, 0, 0, 0x0fff,
- 10000, 500, &range_pcl813b_ai, NULL,
- 0x000c, 0x00, PCLx1x_IORANGE, 0},
- {"a821pgh", boardA821, 16, 8, 1, 16, 16, 0x0fff,
- 10000, 500, &range_a821pgh_ai, &range_unipolar5,
- 0x000c, 0x00, PCLx1x_IORANGE, 0},
- {"a822pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"a822pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"a823pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 8000, 500, &range_acl8112dg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"a823pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
- 8000, 500, &range_acl8112hg_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
- {"pcl813", boardPCL813, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_pcl813b_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
- {"pcl813b", boardPCL813B, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_pcl813b_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
- {"acl8113", boardACL8113, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_acl8113_1_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
- {"iso813", boardISO813, 32, 0, 0, 0, 0, 0x0fff,
- 0, 0, &range_iso813_1_ai, NULL,
- 0x0000, 0x00, PCLx1x_IORANGE, 0},
- {"acl8216", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
- 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
- {"a826pg", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
- 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
- 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
-};
-
#define this_board ((const struct pcl812_board *)dev->board_ptr)
-static struct comedi_driver driver_pcl812 = {
- .driver_name = "pcl812",
- .module = THIS_MODULE,
- .attach = pcl812_attach,
- .detach = pcl812_detach,
- .board_name = &boardtypes[0].name,
- .num_names = ARRAY_SIZE(boardtypes),
- .offset = sizeof(struct pcl812_board),
-};
-
-static int __init driver_pcl812_init_module(void)
-{
- return comedi_driver_register(&driver_pcl812);
-}
-
-static void __exit driver_pcl812_cleanup_module(void)
-{
- comedi_driver_unregister(&driver_pcl812);
-}
-
-module_init(driver_pcl812_init_module);
-module_exit(driver_pcl812_cleanup_module);
-
struct pcl812_private {
unsigned char valid; /* =1 device is OK */
@@ -1355,9 +1271,6 @@ static void pcl812_reset(struct comedi_device *dev)
#endif
}
-/*
-==============================================================================
-*/
static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
int ret, subdev;
@@ -1701,9 +1614,6 @@ no_dma:
return 0;
}
-/*
-==============================================================================
- */
static int pcl812_detach(struct comedi_device *dev)
{
@@ -1714,6 +1624,85 @@ static int pcl812_detach(struct comedi_device *dev)
return 0;
}
+static const struct pcl812_board boardtypes[] = {
+ {"pcl812", boardPCL812, 16, 0, 2, 16, 16, 0x0fff,
+ 33000, 500, &range_bipolar10, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"pcl812pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
+ 33000, 500, &range_pcl812pg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"acl8112pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
+ 10000, 500, &range_pcl812pg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"acl8112dg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
+ 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
+ {"acl8112hg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
+ 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
+ {"a821pgl", boardA821, 16, 8, 1, 16, 16, 0x0fff,
+ 10000, 500, &range_pcl813b_ai, &range_unipolar5,
+ 0x000c, 0x00, PCLx1x_IORANGE, 0},
+ {"a821pglnda", boardA821, 16, 8, 0, 0, 0, 0x0fff,
+ 10000, 500, &range_pcl813b_ai, NULL,
+ 0x000c, 0x00, PCLx1x_IORANGE, 0},
+ {"a821pgh", boardA821, 16, 8, 1, 16, 16, 0x0fff,
+ 10000, 500, &range_a821pgh_ai, &range_unipolar5,
+ 0x000c, 0x00, PCLx1x_IORANGE, 0},
+ {"a822pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
+ 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"a822pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
+ 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"a823pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
+ 8000, 500, &range_acl8112dg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"a823pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
+ 8000, 500, &range_acl8112hg_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+ {"pcl813", boardPCL813, 32, 0, 0, 0, 0, 0x0fff,
+ 0, 0, &range_pcl813b_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ {"pcl813b", boardPCL813B, 32, 0, 0, 0, 0, 0x0fff,
+ 0, 0, &range_pcl813b_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ {"acl8113", boardACL8113, 32, 0, 0, 0, 0, 0x0fff,
+ 0, 0, &range_acl8113_1_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ {"iso813", boardISO813, 32, 0, 0, 0, 0, 0x0fff,
+ 0, 0, &range_iso813_1_ai, NULL,
+ 0x0000, 0x00, PCLx1x_IORANGE, 0},
+ {"acl8216", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
+ 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
+ {"a826pg", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
+ 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
+ 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
+};
+
+static struct comedi_driver driver_pcl812 = {
+ .driver_name = "pcl812",
+ .module = THIS_MODULE,
+ .attach = pcl812_attach,
+ .detach = pcl812_detach,
+ .board_name = &boardtypes[0].name,
+ .num_names = ARRAY_SIZE(boardtypes),
+ .offset = sizeof(struct pcl812_board),
+};
+
+static int __init driver_pcl812_init_module(void)
+{
+ return comedi_driver_register(&driver_pcl812);
+}
+module_init(driver_pcl812_init_module);
+
+static void __exit driver_pcl812_cleanup_module(void)
+{
+ comedi_driver_unregister(&driver_pcl812);
+}
+module_exit(driver_pcl812_cleanup_module);
+
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
--
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