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Date: Fri, 27 Apr 2012 16:09:11 -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 pcl818 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/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index 0272491..8dbefc5 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -247,10 +247,6 @@ static const struct comedi_lrange range718_bipolar0_5 =
static const struct comedi_lrange range718_unipolar2 = { 1, {UNI_RANGE(2),} };
static const struct comedi_lrange range718_unipolar1 = { 1, {BIP_RANGE(1),} };
-static int pcl818_attach(struct comedi_device *dev,
- struct comedi_devconfig *it);
-static int pcl818_detach(struct comedi_device *dev);
-
#ifdef unused
static int RTC_lock; /* RTC lock */
static int RTC_timer_lock; /* RTC int lock */
@@ -277,54 +273,6 @@ struct pcl818_board {
int is_818;
};
-static const struct pcl818_board boardtypes[] = {
- {"pcl818l", 4, 16, 8, 25000, 1, 16, 16, &range_pcl818l_l_ai,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 0, 1},
- {"pcl818h", 9, 16, 8, 10000, 1, 16, 16, &range_pcl818h_ai,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 0, 1},
- {"pcl818hd", 9, 16, 8, 10000, 1, 16, 16, &range_pcl818h_ai,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 1, 1},
- {"pcl818hg", 12, 16, 8, 10000, 1, 16, 16, &range_pcl818hg_ai,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 1, 1},
- {"pcl818", 9, 16, 8, 10000, 2, 16, 16, &range_pcl818h_ai,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 0, 1},
- {"pcl718", 1, 16, 8, 16000, 2, 16, 16, &range_unipolar5,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 0, 0},
- /* pcm3718 */
- {"pcm3718", 9, 16, 8, 10000, 0, 16, 16, &range_pcl818h_ai,
- &range_unipolar5, PCLx1x_RANGE, 0x00fc,
- 0x0a, 0xfff, 0xfff, 0, 1 /* XXX ? */ },
-};
-
-static struct comedi_driver driver_pcl818 = {
- .driver_name = "pcl818",
- .module = THIS_MODULE,
- .attach = pcl818_attach,
- .detach = pcl818_detach,
- .board_name = &boardtypes[0].name,
- .num_names = ARRAY_SIZE(boardtypes),
- .offset = sizeof(struct pcl818_board),
-};
-
-static int __init driver_pcl818_init_module(void)
-{
- return comedi_driver_register(&driver_pcl818);
-}
-
-static void __exit driver_pcl818_cleanup_module(void)
-{
- comedi_driver_unregister(&driver_pcl818);
-}
-
-module_init(driver_pcl818_init_module);
-module_exit(driver_pcl818_cleanup_module);
-
struct pcl818_private {
unsigned int dma; /* used DMA, 0=don't use DMA */
@@ -1722,12 +1670,6 @@ static void free_resources(struct comedi_device *dev)
/* printk("free_resource() end\n"); */
}
-/*
-==============================================================================
-
- Initialization
-
-*/
static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
int ret;
@@ -2018,10 +1960,6 @@ no_dma:
return 0;
}
-/*
-==============================================================================
- Removes device
- */
static int pcl818_detach(struct comedi_device *dev)
{
/* printk("comedi%d: pcl818: remove\n", dev->minor); */
@@ -2029,6 +1967,53 @@ static int pcl818_detach(struct comedi_device *dev)
return 0;
}
+static const struct pcl818_board boardtypes[] = {
+ {"pcl818l", 4, 16, 8, 25000, 1, 16, 16, &range_pcl818l_l_ai,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 0, 1},
+ {"pcl818h", 9, 16, 8, 10000, 1, 16, 16, &range_pcl818h_ai,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 0, 1},
+ {"pcl818hd", 9, 16, 8, 10000, 1, 16, 16, &range_pcl818h_ai,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 1, 1},
+ {"pcl818hg", 12, 16, 8, 10000, 1, 16, 16, &range_pcl818hg_ai,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 1, 1},
+ {"pcl818", 9, 16, 8, 10000, 2, 16, 16, &range_pcl818h_ai,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 0, 1},
+ {"pcl718", 1, 16, 8, 16000, 2, 16, 16, &range_unipolar5,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 0, 0},
+ /* pcm3718 */
+ {"pcm3718", 9, 16, 8, 10000, 0, 16, 16, &range_pcl818h_ai,
+ &range_unipolar5, PCLx1x_RANGE, 0x00fc,
+ 0x0a, 0xfff, 0xfff, 0, 1 /* XXX ? */ },
+};
+
+static struct comedi_driver driver_pcl818 = {
+ .driver_name = "pcl818",
+ .module = THIS_MODULE,
+ .attach = pcl818_attach,
+ .detach = pcl818_detach,
+ .board_name = &boardtypes[0].name,
+ .num_names = ARRAY_SIZE(boardtypes),
+ .offset = sizeof(struct pcl818_board),
+};
+
+static int __init driver_pcl818_init_module(void)
+{
+ return comedi_driver_register(&driver_pcl818);
+}
+module_init(driver_pcl818_init_module);
+
+static void __exit driver_pcl818_cleanup_module(void)
+{
+ comedi_driver_unregister(&driver_pcl818);
+}
+module_exit(driver_pcl818_cleanup_module);
+
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
--
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