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Date: Thu, 16 Aug 2012 19:48:35 -0700
From: H Hartley Sweeten <hartleys@...ionengravers.com>
To: Linux Kernel <linux-kernel@...r.kernel.org>
CC: <devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
<gregkh@...uxfoundation.org>
Subject: [PATCH 17/35] staging: comedi: cb_pcimdda: add namespace to the driver
The structs, static data, and functions in this driver have
pretty generic names. Add namespace to everything to prevent
any problems.
Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/staging/comedi/drivers/cb_pcimdda.c | 66 ++++++++++++++---------------
1 file changed, 33 insertions(+), 33 deletions(-)
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index 75e803a..edce275 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -96,7 +96,7 @@ Configuration Options:
* This is straight from skel.c -- I did this in case this source file
* will someday support more than 1 board...
*/
-struct board_struct {
+struct cb_pcimdda_board {
const char *name;
unsigned short device_id;
int ao_chans;
@@ -116,7 +116,7 @@ enum DIO_METHODS {
DIO_INTERNAL /* unimplemented */
};
-static const struct board_struct boards[] = {
+static const struct cb_pcimdda_board cb_pcimdda_boards[] = {
{
.name = "cb_pcimdda06-16",
.device_id = PCI_ID_PCIM_DDA06_16,
@@ -136,7 +136,7 @@ static const struct board_struct boards[] = {
* feel free to suggest moving the variable to the struct comedi_device
* struct.
*/
-struct board_private_struct {
+struct cb_pcimdda_private {
unsigned long registers; /* set by probe */
unsigned long dio_registers;
char attached_to_8255; /* boolean */
@@ -149,16 +149,12 @@ struct board_private_struct {
};
-/* returns a maxdata value for a given n_bits */
-static inline unsigned int figure_out_maxdata(int bits)
+static int cb_pcimdda_ao_winsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
- return ((unsigned int)1 << bits) - 1;
-}
-
-static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
-{
- struct board_private_struct *devpriv = dev->private;
+ struct cb_pcimdda_private *devpriv = dev->private;
int i;
int chan = CR_CHAN(insn->chanspec);
unsigned long offset = devpriv->registers + chan * 2;
@@ -172,7 +168,7 @@ static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
the channel voltage updated in the DAC, unless
we're in simultaneous xfer mode (jumper on card)
then a rinsn is necessary to actually update the DAC --
- see ao_rinsn() below... */
+ see cb_pcimdda_ao_rinsn() below... */
outb((char)(data[i] >> 8 & 0x00ff), offset + 1);
/* for testing only.. the actual rinsn SHOULD do an inw!
@@ -195,10 +191,12 @@ static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
all AO channels update simultaneously. This is useful for some control
applications, I would imagine.
*/
-static int ao_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int cb_pcimdda_ao_rinsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
- struct board_private_struct *devpriv = dev->private;
+ struct cb_pcimdda_private *devpriv = dev->private;
int i;
int chan = CR_CHAN(insn->chanspec);
@@ -215,10 +213,11 @@ static int ao_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
return i;
}
-static int probe(struct comedi_device *dev, const struct comedi_devconfig *it)
+static int cb_pcimdda_probe(struct comedi_device *dev,
+ const struct comedi_devconfig *it)
{
- const struct board_struct *thisboard;
- struct board_private_struct *devpriv = dev->private;
+ const struct cb_pcimdda_board *thisboard;
+ struct cb_pcimdda_private *devpriv = dev->private;
struct pci_dev *pcidev = NULL;
int index;
unsigned long registers;
@@ -228,8 +227,8 @@ static int probe(struct comedi_device *dev, const struct comedi_devconfig *it)
if (pcidev->vendor != PCI_VENDOR_ID_COMPUTERBOARDS)
continue;
/* loop through cards supported by this driver */
- for (index = 0; index < ARRAY_SIZE(boards); index++) {
- if (boards[index].device_id != pcidev->device)
+ for (index = 0; index < ARRAY_SIZE(cb_pcimdda_boards); index++) {
+ if (cb_pcimdda_boards[index].device_id != pcidev->device)
continue;
/* was a particular bus/slot requested? */
if (it->options[0] || it->options[1]) {
@@ -242,7 +241,7 @@ static int probe(struct comedi_device *dev, const struct comedi_devconfig *it)
/* found ! */
devpriv->pci_dev = pcidev;
- dev->board_ptr = boards + index;
+ dev->board_ptr = cb_pcimdda_boards + index;
thisboard = comedi_board(dev);
if (comedi_pci_enable(pcidev, thisboard->name)) {
printk
@@ -264,10 +263,11 @@ static int probe(struct comedi_device *dev, const struct comedi_devconfig *it)
return -ENODEV;
}
-static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
+static int cb_pcimdda_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it)
{
- const struct board_struct *thisboard;
- struct board_private_struct *devpriv;
+ const struct cb_pcimdda_board *thisboard;
+ struct cb_pcimdda_private *devpriv;
struct comedi_subdevice *s;
int err;
@@ -281,7 +281,7 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
* it is, this is the place to do it. Otherwise, dev->board_ptr
* should already be initialized.
*/
- err = probe(dev, it);
+ err = cb_pcimdda_probe(dev, it);
if (err)
return err;
thisboard = comedi_board(dev);
@@ -305,14 +305,14 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
s->n_chan = thisboard->ao_chans;
- s->maxdata = figure_out_maxdata(thisboard->ao_bits);
+ s->maxdata = (1 << thisboard->ao_bits) - 1;
/* this is hard-coded here */
if (it->options[2])
s->range_table = &range_bipolar10;
else
s->range_table = &range_bipolar5;
- s->insn_write = &ao_winsn;
- s->insn_read = &ao_rinsn;
+ s->insn_write = &cb_pcimdda_ao_winsn;
+ s->insn_read = &cb_pcimdda_ao_rinsn;
s = dev->subdevices + 1;
/* digital i/o subdevice */
@@ -341,9 +341,9 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
return 1;
}
-static void detach(struct comedi_device *dev)
+static void cb_pcimdda_detach(struct comedi_device *dev)
{
- struct board_private_struct *devpriv = dev->private;
+ struct cb_pcimdda_private *devpriv = dev->private;
if (devpriv) {
if (dev->subdevices && devpriv->attached_to_8255) {
@@ -361,8 +361,8 @@ static void detach(struct comedi_device *dev)
static struct comedi_driver cb_pcimdda_driver = {
.driver_name = "cb_pcimdda",
.module = THIS_MODULE,
- .attach = attach,
- .detach = detach,
+ .attach = cb_pcimdda_attach,
+ .detach = cb_pcimdda_detach,
};
static int __devinit cb_pcimdda_pci_probe(struct pci_dev *dev,
--
1.7.11
--
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