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path: root/drivers/staging/comedi/drivers/amplc_pc236.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/amplc_pc236.c')
-rw-r--r--drivers/staging/comedi/drivers/amplc_pc236.c72
1 files changed, 30 insertions, 42 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index 4e4f3c15df87..289835419577 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -66,7 +66,6 @@ unused.
#define DO_PCI IS_ENABLED(CONFIG_COMEDI_AMPLC_PC236_PCI)
/* PCI236 PCI configuration register information */
-#define PCI_VENDOR_ID_AMPLICON 0x14dc
#define PCI_DEVICE_ID_AMPLICON_PCI236 0x0009
#define PCI_DEVICE_ID_INVALID 0xffff
@@ -332,28 +331,13 @@ static int pc236_intr_cmdtest(struct comedi_device *dev,
if (err)
return 2;
- /* step 3: */
+ /* Step 3: check it arguments are trivially valid */
- if (cmd->start_arg != 0) {
- cmd->start_arg = 0;
- err++;
- }
- if (cmd->scan_begin_arg != 0) {
- cmd->scan_begin_arg = 0;
- err++;
- }
- if (cmd->convert_arg != 0) {
- cmd->convert_arg = 0;
- err++;
- }
- if (cmd->scan_end_arg != 1) {
- cmd->scan_end_arg = 1;
- err++;
- }
- if (cmd->stop_arg != 0) {
- cmd->stop_arg = 0;
- err++;
- }
+ err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
+ err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
+ err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
+ err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, 1);
+ err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;
@@ -505,14 +489,16 @@ static int pc236_pci_common_attach(struct comedi_device *dev,
static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
const struct pc236_board *thisboard = comedi_board(dev);
+ struct pc236_private *devpriv;
int ret;
dev_info(dev->class_dev, PC236_DRIVER_NAME ": attach\n");
- ret = alloc_private(dev, sizeof(struct pc236_private));
- if (ret < 0) {
- dev_err(dev->class_dev, "error! out of memory!\n");
- return ret;
- }
+
+ devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
+ if (!devpriv)
+ return -ENOMEM;
+ dev->private = devpriv;
+
/* Process options according to bus type. */
if (is_isa_board(thisboard)) {
unsigned long iobase = it->options[0];
@@ -536,25 +522,27 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
/*
- * The attach_pci hook (if non-NULL) is called at PCI probe time in preference
- * to the "manual" attach hook. dev->board_ptr is NULL on entry. There should
- * be a board entry matching the supplied PCI device.
+ * The auto_attach hook is called at PCI probe time via
+ * comedi_pci_auto_config(). dev->board_ptr is NULL on entry.
+ * There should be a board entry matching the supplied PCI device.
*/
-static int __devinit pc236_attach_pci(struct comedi_device *dev,
- struct pci_dev *pci_dev)
+static int pc236_auto_attach(struct comedi_device *dev,
+ unsigned long context_unused)
{
- int ret;
+ struct pci_dev *pci_dev = comedi_to_pci_dev(dev);
+ struct pc236_private *devpriv;
if (!DO_PCI)
return -EINVAL;
dev_info(dev->class_dev, PC236_DRIVER_NAME ": attach pci %s\n",
pci_name(pci_dev));
- ret = alloc_private(dev, sizeof(struct pc236_private));
- if (ret < 0) {
- dev_err(dev->class_dev, "error! out of memory!\n");
- return ret;
- }
+
+ devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
+ if (!devpriv)
+ return -ENOMEM;
+ dev->private = devpriv;
+
dev->board_ptr = pc236_find_pci_board(pci_dev);
if (dev->board_ptr == NULL) {
dev_err(dev->class_dev, "BUG! cannot determine board type!\n");
@@ -605,7 +593,7 @@ static struct comedi_driver amplc_pc236_driver = {
.driver_name = PC236_DRIVER_NAME,
.module = THIS_MODULE,
.attach = pc236_attach,
- .attach_pci = pc236_attach_pci,
+ .auto_attach = pc236_auto_attach,
.detach = pc236_detach,
.board_name = &pc236_boards[0].name,
.offset = sizeof(struct pc236_board),
@@ -620,13 +608,13 @@ static DEFINE_PCI_DEVICE_TABLE(pc236_pci_table) = {
MODULE_DEVICE_TABLE(pci, pc236_pci_table);
-static int __devinit amplc_pc236_pci_probe(struct pci_dev *dev,
+static int amplc_pc236_pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
return comedi_pci_auto_config(dev, &amplc_pc236_driver);
}
-static void __devexit amplc_pc236_pci_remove(struct pci_dev *dev)
+static void amplc_pc236_pci_remove(struct pci_dev *dev)
{
comedi_pci_auto_unconfig(dev);
}
@@ -635,7 +623,7 @@ static struct pci_driver amplc_pc236_pci_driver = {
.name = PC236_DRIVER_NAME,
.id_table = pc236_pci_table,
.probe = &amplc_pc236_pci_probe,
- .remove = __devexit_p(&amplc_pc236_pci_remove)
+ .remove = &amplc_pc236_pci_remove
};
module_comedi_pci_driver(amplc_pc236_driver, amplc_pc236_pci_driver);