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authorH Hartley Sweeten <hartleys@visionengravers.com>2012-11-29 18:18:03 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-29 18:05:30 -0800
commit0c33bdd01abf1d6722792b2022b974116151a572 (patch)
tree270548118b09f3f78bf5fe27d216789e2c3b6355 /drivers/staging
parent490555966e77f7e3e8ccbe70629a149451b56a3c (diff)
staging: comedi: addi_apci_2032: only allocate needed subdevices
The addi-data "common" code always allocated 7 subdevices. This driver only requires 2. Change the allocation and remove the unused subdevices. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/comedi/drivers/addi_apci_2032.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_2032.c b/drivers/staging/comedi/drivers/addi_apci_2032.c
index 9b0c402bed0f..84e6b4fa52d7 100644
--- a/drivers/staging/comedi/drivers/addi_apci_2032.c
+++ b/drivers/staging/comedi/drivers/addi_apci_2032.c
@@ -70,7 +70,7 @@ static int apci2032_auto_attach(struct comedi_device *dev,
const struct addi_board *this_board;
struct addi_private *devpriv;
struct comedi_subdevice *s;
- int ret, n_subdevices;
+ int ret;
this_board = addi_find_boardinfo(dev, pcidev);
if (!this_board)
@@ -95,25 +95,12 @@ static int apci2032_auto_attach(struct comedi_device *dev,
dev->irq = pcidev->irq;
}
- n_subdevices = 7;
- ret = comedi_alloc_subdevices(dev, n_subdevices);
+ ret = comedi_alloc_subdevices(dev, 2);
if (ret)
return ret;
- /* Allocate and Initialise AI Subdevice Structures */
+ /* Initialize the digital output subdevice */
s = &dev->subdevices[0];
- s->type = COMEDI_SUBD_UNUSED;
-
- /* Allocate and Initialise AO Subdevice Structures */
- s = &dev->subdevices[1];
- s->type = COMEDI_SUBD_UNUSED;
-
- /* Allocate and Initialise DI Subdevice Structures */
- s = &dev->subdevices[2];
- s->type = COMEDI_SUBD_UNUSED;
-
- /* Allocate and Initialise DO Subdevice Structures */
- s = &dev->subdevices[3];
if (this_board->i_NbrDoChannel) {
s->type = COMEDI_SUBD_DO;
s->subdev_flags =
@@ -133,8 +120,8 @@ static int apci2032_auto_attach(struct comedi_device *dev,
s->type = COMEDI_SUBD_UNUSED;
}
- /* Allocate and Initialise Timer Subdevice Structures */
- s = &dev->subdevices[4];
+ /* Initialize the watchdog subdevice */
+ s = &dev->subdevices[1];
if (this_board->i_Timer) {
s->type = COMEDI_SUBD_TIMER;
s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
@@ -151,14 +138,6 @@ static int apci2032_auto_attach(struct comedi_device *dev,
s->type = COMEDI_SUBD_UNUSED;
}
- /* Allocate and Initialise TTL */
- s = &dev->subdevices[5];
- s->type = COMEDI_SUBD_UNUSED;
-
- /* EEPROM */
- s = &dev->subdevices[6];
- s->type = COMEDI_SUBD_UNUSED;
-
apci2032_reset(dev);
return 0;
}